diff options
Diffstat (limited to 'arch')
64 files changed, 830 insertions, 1258 deletions
diff --git a/arch/arm/mach-davinci/board-evm.c b/arch/arm/mach-davinci/board-evm.c index a957d239a68..38b6a9ce2a9 100644 --- a/arch/arm/mach-davinci/board-evm.c +++ b/arch/arm/mach-davinci/board-evm.c @@ -311,6 +311,9 @@ evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c) gpio_request(gpio + 7, "nCF_SEL"); gpio_direction_output(gpio + 7, 1); + /* irlml6401 sustains over 3A, switches 5V in under 8 msec */ + setup_usb(500, 8); + return 0; } @@ -417,9 +420,6 @@ static __init void davinci_evm_init(void) platform_add_devices(davinci_evm_devices, ARRAY_SIZE(davinci_evm_devices)); evm_init_i2c(); - - /* irlml6401 sustains over 3A, switches 5V in under 8 msec */ - setup_usb(500, 8); } static __init void davinci_evm_irq_init(void) diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c index 28f6dbc95bd..abb92b7eca0 100644 --- a/arch/arm/mach-davinci/clock.c +++ b/arch/arm/mach-davinci/clock.c @@ -231,6 +231,11 @@ static struct clk davinci_clks[] = { .lpsc = DAVINCI_LPSC_GPIO, }, { + .name = "usb", + .rate = &commonrate, + .lpsc = DAVINCI_LPSC_USB, + }, + { .name = "AEMIFCLK", .rate = &commonrate, .lpsc = DAVINCI_LPSC_AEMIF, diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c index 867ead2559a..69680784448 100644 --- a/arch/arm/mach-davinci/usb.c +++ b/arch/arm/mach-davinci/usb.c @@ -47,6 +47,7 @@ static struct musb_hdrc_platform_data usb_data = { #elif defined(CONFIG_USB_MUSB_HOST) .mode = MUSB_HOST, #endif + .clock = "usb", .config = &musb_config, }; diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 4eb45c01249..153e727a6e8 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -638,6 +638,17 @@ config DMAR and include PCI device scope covered by these DMA remapping devices. +config DMAR_DEFAULT_ON + def_bool y + prompt "Enable DMA Remapping Devices by default" + depends on DMAR + help + Selecting this option will enable a DMAR device at boot time if + one is found. If this option is not selected, DMAR support can + be enabled by passing intel_iommu=on to the kernel. It is + recommended you say N here while the DMAR code remains + experimental. + endmenu endif diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index 006ad366a45..166e0d839fa 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -507,7 +507,7 @@ static int iosapic_find_sharable_irq(unsigned long trigger, unsigned long pol) if (trigger == IOSAPIC_EDGE) return -EINVAL; - for (i = 0; i <= NR_IRQS; i++) { + for (i = 0; i < NR_IRQS; i++) { info = &iosapic_intr_info[i]; if (info->trigger == trigger && info->polarity == pol && (info->dmode == IOSAPIC_FIXED || diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c index 67810b77d99..b6c0e63a0bf 100644 --- a/arch/ia64/kernel/unwind.c +++ b/arch/ia64/kernel/unwind.c @@ -2149,7 +2149,7 @@ unw_remove_unwind_table (void *handle) /* next, remove hash table entries for this table */ - for (index = 0; index <= UNW_HASH_SIZE; ++index) { + for (index = 0; index < UNW_HASH_SIZE; ++index) { tmp = unw.cache + unw.hash[index]; if (unw.hash[index] >= UNW_CACHE_SIZE || tmp->ip < table->start || tmp->ip >= table->end) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 600eef3f3ac..e61465a18c7 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -603,7 +603,7 @@ config CAVIUM_OCTEON_SIMULATOR select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM - select CPU_CAVIUM_OCTEON + select SYS_HAS_CPU_CAVIUM_OCTEON help The Octeon simulator is software performance model of the Cavium Octeon Processor. It supports simulating Octeon processors on x86 @@ -618,7 +618,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM select SYS_HAS_EARLY_PRINTK - select CPU_CAVIUM_OCTEON + select SYS_HAS_CPU_CAVIUM_OCTEON select SWAP_IO_SPACE help This option supports all of the Octeon reference boards from Cavium @@ -1234,6 +1234,7 @@ config CPU_SB1 config CPU_CAVIUM_OCTEON bool "Cavium Octeon processor" + depends on SYS_HAS_CPU_CAVIUM_OCTEON select IRQ_CPU select IRQ_CPU_OCTEON select CPU_HAS_PREFETCH @@ -1314,6 +1315,9 @@ config SYS_HAS_CPU_RM9000 config SYS_HAS_CPU_SB1 bool +config SYS_HAS_CPU_CAVIUM_OCTEON + bool + # # CPU may reorder R->R, R->W, W->R, W->W # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC @@ -1387,6 +1391,7 @@ config 32BIT config 64BIT bool "64-bit kernel" depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL + select HAVE_SYSCALL_WRAPPERS help Select this option if you want to build a 64-bit kernel. diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c index 6fd441d16af..f58d4ffb894 100644 --- a/arch/mips/alchemy/common/time.c +++ b/arch/mips/alchemy/common/time.c @@ -118,7 +118,7 @@ void __init plat_time_init(void) * setup counter 1 (RTC) to tick at full speed */ t = 0xffffff; - while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S) && t--) + while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S) && --t) asm volatile ("nop"); if (!t) goto cntr_err; @@ -127,7 +127,7 @@ void __init plat_time_init(void) au_sync(); t = 0xffffff; - while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && t--) + while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && --t) asm volatile ("nop"); if (!t) goto cntr_err; @@ -135,7 +135,7 @@ void __init plat_time_init(void) au_sync(); t = 0xffffff; - while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && t--) + while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && --t) asm volatile ("nop"); if (!t) goto cntr_err; diff --git a/arch/mips/include/asm/seccomp.h b/arch/mips/include/asm/seccomp.h index 36ed4407025..a6772e9507f 100644 --- a/arch/mips/include/asm/seccomp.h +++ b/arch/mips/include/asm/seccomp.h @@ -1,6 +1,5 @@ #ifndef __ASM_SECCOMP_H -#include <linux/thread_info.h> #include <linux/unistd.h> #define __NR_seccomp_read __NR_read diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c index a0ff2b66e22..4b4007b3083 100644 --- a/arch/mips/kernel/irq.c +++ b/arch/mips/kernel/irq.c @@ -111,7 +111,6 @@ int show_interrupts(struct seq_file *p, void *v) seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]); #endif seq_printf(p, " %14s", irq_desc[i].chip->name); - seq_printf(p, "-%-8s", irq_desc[i].name); seq_printf(p, " %s", action->name); for (action=action->next; action; action = action->next) diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index aa2c55e3b55..2f8452b404c 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -32,6 +32,7 @@ #include <linux/module.h> #include <linux/binfmts.h> #include <linux/security.h> +#include <linux/syscalls.h> #include <linux/compat.h> #include <linux/vfs.h> #include <linux/ipc.h> @@ -63,9 +64,9 @@ #define merge_64(r1, r2) ((((r2) & 0xffffffffUL) << 32) + ((r1) & 0xffffffffUL)) #endif -asmlinkage unsigned long -sys32_mmap2(unsigned long addr, unsigned long len, unsigned long prot, - unsigned long flags, unsigned long fd, unsigned long pgoff) +SYSCALL_DEFINE6(32_mmap2, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, fd, + unsigned long, pgoff) { struct file * file = NULL; unsigned long error; @@ -121,21 +122,21 @@ struct rlimit32 { int rlim_max; }; -asmlinkage long sys32_truncate64(const char __user * path, - unsigned long __dummy, int a2, int a3) +SYSCALL_DEFINE4(32_truncate64, const char __user *, path, + unsigned long, __dummy, unsigned long, a2, unsigned long, a3) { return sys_truncate(path, merge_64(a2, a3)); } -asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy, - int a2, int a3) +SYSCALL_DEFINE4(32_ftruncate64, unsigned long, fd, unsigned long, __dummy, + unsigned long, a2, unsigned long, a3) { return sys_ftruncate(fd, merge_64(a2, a3)); } -asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high, - unsigned int offset_low, loff_t __user * result, - unsigned int origin) +SYSCALL_DEFINE5(32_llseek, unsigned long, fd, unsigned long, offset_high, + unsigned long, offset_low, loff_t __user *, result, + unsigned long, origin) { return sys_llseek(fd, offset_high, offset_low, result, origin); } @@ -144,20 +145,20 @@ asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high, lseek back to original location. They fail just like lseek does on non-seekable files. */ -asmlinkage ssize_t sys32_pread(unsigned int fd, char __user * buf, - size_t count, u32 unused, u64 a4, u64 a5) +SYSCALL_DEFINE6(32_pread, unsigned long, fd, char __user *, buf, size_t, count, + unsigned long, unused, unsigned long, a4, unsigned long, a5) { return sys_pread64(fd, buf, count, merge_64(a4, a5)); } -asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char __user * buf, - size_t count, u32 unused, u64 a4, u64 a5) +SYSCALL_DEFINE6(32_pwrite, unsigned int, fd, const char __user *, buf, + size_t, count, u32, unused, u64, a4, u64, a5) { return sys_pwrite64(fd, buf, count, merge_64(a4, a5)); } -asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid, - struct compat_timespec __user *interval) +SYSCALL_DEFINE2(32_sched_rr_get_interval, compat_pid_t, pid, + struct compat_timespec __user *, interval) { struct timespec t; int ret; @@ -174,8 +175,8 @@ asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid, #ifdef CONFIG_SYSVIPC -asmlinkage long -sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth) +SYSCALL_DEFINE6(32_ipc, u32, call, long, first, long, second, long, third, + unsigned long, ptr, unsigned long, fifth) { int version, err; @@ -233,8 +234,8 @@ sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth) #else -asmlinkage long -sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth) +SYSCALL_DEFINE6(32_ipc, u32, call, int, first, int, second, int, third, + u32, ptr, u32 fifth) { return -ENOSYS; } @@ -242,7 +243,7 @@ sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth) #endif /* CONFIG_SYSVIPC */ #ifdef CONFIG_MIPS32_N32 -asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, u32 arg) +SYSCALL_DEFINE4(n32_semctl, int, semid, int, semnum, int, cmd, u32, arg) { /* compat_sys_semctl expects a pointer to union semun */ u32 __user *uptr = compat_alloc_user_space(sizeof(u32)); @@ -251,13 +252,14 @@ asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, u32 arg) return compat_sys_semctl(semid, semnum, cmd, uptr); } -asmlinkage long sysn32_msgsnd(int msqid, u32 msgp, unsigned msgsz, int msgflg) +SYSCALL_DEFINE4(n32_msgsnd, int, msqid, u32, msgp, unsigned int, msgsz, + int, msgflg) { return compat_sys_msgsnd(msqid, msgsz, msgflg, compat_ptr(msgp)); } -asmlinkage long sysn32_msgrcv(int msqid, u32 msgp, size_t msgsz, int msgtyp, - int msgflg) +SYSCALL_DEFINE5(n32_msgrcv, int, msqid, u32, msgp, size_t, msgsz, + int, msgtyp, int, msgflg) { return compat_sys_msgrcv(msqid, msgsz, msgtyp, msgflg, IPC_64, compat_ptr(msgp)); @@ -277,7 +279,7 @@ struct sysctl_args32 #ifdef CONFIG_SYSCTL_SYSCALL -asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args) +SYSCALL_DEFINE1(32_sysctl, struct sysctl_args32 __user *, args) { struct sysctl_args32 tmp; int error; @@ -316,9 +318,16 @@ asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args) return error; } +#else + +SYSCALL_DEFINE1(32_sysctl, struct sysctl_args32 __user *, args) +{ + return -ENOSYS; +} + #endif /* CONFIG_SYSCTL_SYSCALL */ -asmlinkage long sys32_newuname(struct new_utsname __user * name) +SYSCALL_DEFINE1(32_newuname, struct new_utsname __user *, name) { int ret = 0; @@ -334,7 +343,7 @@ asmlinkage long sys32_newuname(struct new_utsname __user * name) return ret; } -asmlinkage int sys32_personality(unsigned long personality) +SYSCALL_DEFINE1(32_personality, unsigned long, personality) { int ret; personality &= 0xffffffff; @@ -357,7 +366,7 @@ struct ustat32 { extern asmlinkage long sys_ustat(dev_t dev, struct ustat __user * ubuf); -asmlinkage int sys32_ustat(dev_t dev, struct ustat32 __user * ubuf32) +SYSCALL_DEFINE2(32_ustat, dev_t, dev, struct ustat32 __user *, ubuf32) { int err; struct ustat tmp; @@ -381,8 +390,8 @@ out: return err; } -asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, - s32 count) +SYSCALL_DEFINE4(32_sendfile, long, out_fd, long, in_fd, + compat_off_t __user *, offset, s32, count) { mm_segment_t old_fs = get_fs(); int ret; diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 51d1ba415b9..9ab70c3b5be 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -399,7 +399,7 @@ einval: li v0, -ENOSYS sys sys_swapon 2 sys sys_reboot 3 sys sys_old_readdir 3 - sys old_mmap 6 /* 4090 */ + sys sys_mips_mmap 6 /* 4090 */ sys sys_munmap 2 sys sys_truncate 2 sys sys_ftruncate 2 @@ -519,7 +519,7 @@ einval: li v0, -ENOSYS sys sys_sendfile 4 sys sys_ni_syscall 0 sys sys_ni_syscall 0 - sys sys_mmap2 6 /* 4210 */ + sys sys_mips_mmap2 6 /* 4210 */ sys sys_truncate64 4 sys sys_ftruncate64 4 sys sys_stat64 2 diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index a9e17161899..9b469866715 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -207,7 +207,7 @@ sys_call_table: PTR sys_newlstat PTR sys_poll PTR sys_lseek - PTR old_mmap + PTR sys_mips_mmap PTR sys_mprotect /* 5010 */ PTR sys_munmap PTR sys_brk diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 30f3b6317a8..7438e92f8a0 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -129,12 +129,12 @@ EXPORT(sysn32_call_table) PTR sys_newlstat PTR sys_poll PTR sys_lseek - PTR old_mmap + PTR sys_mips_mmap PTR sys_mprotect /* 6010 */ PTR sys_munmap PTR sys_brk - PTR sys32_rt_sigaction - PTR sys32_rt_sigprocmask + PTR sys_32_rt_sigaction + PTR sys_32_rt_sigprocmask PTR compat_sys_ioctl /* 6015 */ PTR sys_pread64 PTR sys_pwrite64 @@ -159,7 +159,7 @@ EXPORT(sysn32_call_table) PTR compat_sys_setitimer PTR sys_alarm PTR sys_getpid - PTR sys32_sendfile + PTR sys_32_sendfile PTR sys_socket /* 6040 */ PTR sys_connect PTR sys_accept @@ -181,14 +181,14 @@ EXPORT(sysn32_call_table) PTR sys_exit PTR compat_sys_wait4 PTR sys_kill /* 6060 */ - PTR sys32_newuname + PTR sys_32_newuname PTR sys_semget PTR sys_semop - PTR sysn32_semctl + PTR sys_n32_semctl PTR sys_shmdt /* 6065 */ PTR sys_msgget - PTR sysn32_msgsnd - PTR sysn32_msgrcv + PTR sys_n32_msgsnd + PTR sys_n32_msgrcv PTR compat_sys_msgctl PTR compat_sys_fcntl /* 6070 */ PTR sys_flock @@ -245,15 +245,15 @@ EXPORT(sysn32_call_table) PTR sys_getsid PTR sys_capget PTR sys_capset - PTR sys32_rt_sigpending /* 6125 */ + PTR sys_32_rt_sigpending /* 6125 */ PTR compat_sys_rt_sigtimedwait - PTR sys32_rt_sigqueueinfo + PTR sys_32_rt_sigqueueinfo PTR sysn32_rt_sigsuspend PTR sys32_sigaltstack PTR compat_sys_utime /* 6130 */ PTR sys_mknod - PTR sys32_personality - PTR sys32_ustat + PTR sys_32_personality + PTR sys_32_ustat PTR compat_sys_statfs PTR compat_sys_fstatfs /* 6135 */ PTR sys_sysfs @@ -265,14 +265,14 @@ EXPORT(sysn32_call_table) PTR sys_sched_getscheduler PTR sys_sched_get_priority_max PTR sys_sched_get_priority_min - PTR sys32_sched_rr_get_interval /* 6145 */ + PTR sys_32_sched_rr_get_interval /* 6145 */ PTR sys_mlock PTR sys_munlock PTR sys_mlockall PTR sys_munlockall PTR sys_vhangup /* 6150 */ PTR sys_pivot_root - PTR sys32_sysctl + PTR sys_32_sysctl PTR sys_prctl PTR compat_sys_adjtimex PTR compat_sys_setrlimit /* 6155 */ diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index fefef4af859..b0fef4ff982 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -265,12 +265,12 @@ sys_call_table: PTR sys_olduname PTR sys_umask /* 4060 */ PTR sys_chroot - PTR sys32_ustat + PTR sys_32_ustat PTR sys_dup2 PTR sys_getppid PTR sys_getpgrp /* 4065 */ PTR sys_setsid - PTR sys32_sigaction + PTR sys_32_sigaction PTR sys_sgetmask PTR sys_ssetmask PTR sys_setreuid /* 4070 */ @@ -293,7 +293,7 @@ sys_call_table: PTR sys_swapon PTR sys_reboot PTR compat_sys_old_readdir - PTR old_mmap /* 4090 */ + PTR sys_mips_mmap /* 4090 */ PTR sys_munmap PTR sys_truncate PTR sys_ftruncate @@ -320,12 +320,12 @@ sys_call_table: PTR compat_sys_wait4 PTR sys_swapoff /* 4115 */ PTR compat_sys_sysinfo - PTR sys32_ipc + PTR sys_32_ipc PTR sys_fsync PTR sys32_sigreturn PTR sys32_clone /* 4120 */ PTR sys_setdomainname - PTR sys32_newuname + PTR sys_32_newuname PTR sys_ni_syscall /* sys_modify_ldt */ PTR compat_sys_adjtimex PTR sys_mprotect /* 4125 */ @@ -339,11 +339,11 @@ sys_call_table: PTR sys_fchdir PTR sys_bdflush PTR sys_sysfs /* 4135 */ - PTR sys32_personality + PTR sys_32_personality PTR sys_ni_syscall /* for afs_syscall */ PTR sys_setfsuid PTR sys_setfsgid - PTR sys32_llseek /* 4140 */ + PTR sys_32_llseek /* 4140 */ PTR compat_sys_getdents PTR compat_sys_select PTR sys_flock @@ -356,7 +356,7 @@ sys_call_table: PTR sys_ni_syscall /* 4150 */ PTR sys_getsid PTR sys_fdatasync - PTR sys32_sysctl + PTR sys_32_sysctl PTR sys_mlock PTR sys_munlock /* 4155 */ PTR sys_mlockall @@ -368,7 +368,7 @@ sys_call_table: PTR sys_sched_yield PTR sys_sched_get_priority_max PTR sys_sched_get_priority_min - PTR sys32_sched_rr_get_interval /* 4165 */ + PTR sys_32_sched_rr_get_interval /* 4165 */ PTR compat_sys_nanosleep PTR sys_mremap PTR sys_accept @@ -397,25 +397,25 @@ sys_call_table: PTR sys_getresgid PTR sys_prctl PTR sys32_rt_sigreturn - PTR sys32_rt_sigaction - PTR sys32_rt_sigprocmask /* 4195 */ - PTR sys32_rt_sigpending + PTR sys_32_rt_sigaction + PTR sys_32_rt_sigprocmask /* 4195 */ + PTR sys_32_rt_sigpending PTR compat_sys_rt_sigtimedwait - PTR sys32_rt_sigqueueinfo + PTR sys_32_rt_sigqueueinfo PTR sys32_rt_sigsuspend - PTR sys32_pread /* 4200 */ - PTR sys32_pwrite + PTR sys_32_pread /* 4200 */ + PTR sys_32_pwrite PTR sys_chown PTR sys_getcwd PTR sys_capget PTR sys_capset /* 4205 */ PTR sys32_sigaltstack - PTR sys32_sendfile + PTR sys_32_sendfile PTR sys_ni_syscall PTR sys_ni_syscall - PTR sys32_mmap2 /* 4210 */ - PTR sys32_truncate64 - PTR sys32_ftruncate64 + PTR sys_mips_mmap2 /* 4210 */ + PTR sys_32_truncate64 + PTR sys_32_ftruncate64 PTR sys_newstat PTR sys_newlstat PTR sys_newfstat /* 4215 */ @@ -481,7 +481,7 @@ sys_call_table: PTR compat_sys_mq_notify /* 4275 */ PTR compat_sys_mq_getsetattr PTR sys_ni_syscall /* sys_vserver */ - PTR sys32_waitid + PTR sys_32_waitid PTR sys_ni_syscall /* available, was setaltroot */ PTR sys_add_key /* 4280 */ PTR sys_request_key diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index a4e106c56ab..830c5ef9932 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -19,6 +19,7 @@ #include <linux/ptrace.h> #include <linux/unistd.h> #include <linux/compiler.h> +#include <linux/syscalls.h> #include <linux/uaccess.h> #include <asm/abi.h> @@ -338,8 +339,8 @@ asmlinkage int sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) } #ifdef CONFIG_TRAD_SIGNALS -asmlinkage int sys_sigaction(int sig, const struct sigaction __user *act, - struct sigaction __user *oact) +SYSCALL_DEFINE3(sigaction, int, sig, const struct sigaction __user *, act, + struct sigaction __user *, oact) { struct k_sigaction new_ka, old_ka; int ret; diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 652709b353a..2e74075ac0c 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -349,8 +349,8 @@ asmlinkage int sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) return -ERESTARTNOHAND; } -asmlinkage int sys32_sigaction(int sig, const struct sigaction32 __user *act, - struct sigaction32 __user *oact) +SYSCALL_DEFINE3(32_sigaction, long, sig, const struct sigaction32 __user *, act, + struct sigaction32 __user *, oact) { struct k_sigaction new_ka, old_ka; int ret; @@ -704,9 +704,9 @@ struct mips_abi mips_abi_32 = { .restart = __NR_O32_restart_syscall }; -asmlinkage int sys32_rt_sigaction(int sig, const struct sigaction32 __user *act, - struct sigaction32 __user *oact, - unsigned int sigsetsize) +SYSCALL_DEFINE4(32_rt_sigaction, int, sig, + const struct sigaction32 __user *, act, + struct sigaction32 __user *, oact, unsigned int, sigsetsize) { struct k_sigaction new_sa, old_sa; int ret = -EINVAL; @@ -748,8 +748,8 @@ out: return ret; } -asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, - compat_sigset_t __user *oset, unsigned int sigsetsize) +SYSCALL_DEFINE4(32_rt_sigprocmask, int, how, compat_sigset_t __user *, set, + compat_sigset_t __user *, oset, unsigned int, sigsetsize) { sigset_t old_set, new_set; int ret; @@ -770,8 +770,8 @@ asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, return ret; } -asmlinkage int sys32_rt_sigpending(compat_sigset_t __user *uset, - unsigned int sigsetsize) +SYSCALL_DEFINE2(32_rt_sigpending, compat_sigset_t __user *, uset, + unsigned int, sigsetsize) { int ret; sigset_t set; @@ -787,7 +787,8 @@ asmlinkage int sys32_rt_sigpending(compat_sigset_t __user *uset, return ret; } -asmlinkage int sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo) +SYSCALL_DEFINE3(32_rt_sigqueueinfo, int, pid, int, sig, + compat_siginfo_t __user *, uinfo) { siginfo_t info; int ret; @@ -802,10 +803,9 @@ asmlinkage int sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user * return ret; } -asmlinkage long -sys32_waitid(int which, compat_pid_t pid, - compat_siginfo_t __user *uinfo, int options, - struct compat_rusage __user *uru) +SYSCALL_DEFINE5(32_waitid, int, which, compat_pid_t, pid, + compat_siginfo_t __user *, uinfo, int, options, + struct compat_rusage __user *, uru) { siginfo_t info; struct rusage ru; diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 37970d9b218..8cf38464404 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -152,9 +152,9 @@ out: return error; } -asmlinkage unsigned long -old_mmap(unsigned long addr, unsigned long len, int prot, - int flags, int fd, off_t offset) +SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, + fd, off_t, offset) { unsigned long result; @@ -168,9 +168,9 @@ out: return result; } -asmlinkage unsigned long -sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, - unsigned long flags, unsigned long fd, unsigned long pgoff) +SYSCALL_DEFINE6(mips_mmap2, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, fd, + unsigned long, pgoff) { if (pgoff & (~PAGE_MASK >> 12)) return -EINVAL; @@ -240,7 +240,7 @@ out: /* * Compacrapability ... */ -asmlinkage int sys_uname(struct old_utsname __user * name) +SYSCALL_DEFINE1(uname, struct old_utsname __user *, name) { if (name && !copy_to_user(name, utsname(), sizeof (*name))) return 0; @@ -250,7 +250,7 @@ asmlinkage int sys_uname(struct old_utsname __user * name) /* * Compacrapability ... */ -asmlinkage int sys_olduname(struct oldold_utsname __user * name) +SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name) { int error; @@ -279,7 +279,7 @@ asmlinkage int sys_olduname(struct oldold_utsname __user * name) return error; } -asmlinkage int sys_set_thread_area(unsigned long addr) +SYSCALL_DEFINE1(set_thread_area, unsigned long, addr) { struct thread_info *ti = task_thread_info(current); @@ -290,7 +290,7 @@ asmlinkage int sys_set_thread_area(unsigned long addr) return 0; } -asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) +asmlinkage int _sys_sysmips(long cmd, long arg1, long arg2, long arg3) { switch (cmd) { case MIPS_ATOMIC_SET: @@ -325,8 +325,8 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) * * This is really horribly ugly. */ -asmlinkage int sys_ipc(unsigned int call, int first, int second, - unsigned long third, void __user *ptr, long fifth) +SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, int, second, + unsigned long, third, void __user *, ptr, long, fifth) { int version, ret; @@ -411,7 +411,7 @@ asmlinkage int sys_ipc(unsigned int call, int first, int second, /* * No implemented yet ... */ -asmlinkage int sys_cachectl(char *addr, int nbytes, int op) +SYSCALL_DEFINE3(cachectl, char *, addr, int, nbytes, int, op) { return -ENOSYS; } diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 98ad0a82c29..694d51f523d 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -13,6 +13,7 @@ #include <linux/linkage.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/syscalls.h> #include <linux/mm.h> #include <asm/cacheflush.h> @@ -58,8 +59,8 @@ EXPORT_SYMBOL(_dma_cache_wback_inv); * We could optimize the case where the cache argument is not BCACHE but * that seems very atypical use ... */ -asmlinkage int sys_cacheflush(unsigned long addr, - unsigned long bytes, unsigned int cache) +SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, bytes, + unsigned int, cache) { if (bytes == 0) return 0; diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h index d811a8cd7b5..4774c2f9223 100644 --- a/arch/powerpc/include/asm/compat.h +++ b/arch/powerpc/include/asm/compat.h @@ -210,5 +210,10 @@ struct compat_shmid64_ds { compat_ulong_t __unused6; }; +static inline int is_compat_task(void) +{ + return test_thread_flag(TIF_32BIT); +} + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_COMPAT_H */ diff --git a/arch/powerpc/include/asm/seccomp.h b/arch/powerpc/include/asm/seccomp.h index 853765eb1f6..00c1d9133cf 100644 --- a/arch/powerpc/include/asm/seccomp.h +++ b/arch/powerpc/include/asm/seccomp.h @@ -1,10 +1,6 @@ #ifndef _ASM_POWERPC_SECCOMP_H #define _ASM_POWERPC_SECCOMP_H -#ifdef __KERNEL__ -#include <linux/thread_info.h> -#endif - #include <linux/unistd.h> #define __NR_seccomp_read __NR_read diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index ada06924a42..73cb6a3229a 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -367,27 +367,24 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr, static int emulate_fp_pair(unsigned char __user *addr, unsigned int reg, unsigned int flags) { - char *ptr = (char *) ¤t->thread.TS_FPR(reg); - int i, ret; + char *ptr0 = (char *) ¤t->thread.TS_FPR(reg); + char *ptr1 = (char *) ¤t->thread.TS_FPR(reg+1); + int i, ret, sw = 0; if (!(flags & F)) return 0; if (reg & 1) return 0; /* invalid form: FRS/FRT must be even */ - if (!(flags & SW)) { - /* not byte-swapped - easy */ - if (!(flags & ST)) - ret = __copy_from_user(ptr, addr, 16); - else - ret = __copy_to_user(addr, ptr, 16); - } else { - /* each FPR value is byte-swapped separately */ - ret = 0; - for (i = 0; i < 16; ++i) { - if (!(flags & ST)) - ret |= __get_user(ptr[i^7], addr + i); - else - ret |= __put_user(ptr[i^7], addr + i); + if (flags & SW) + sw = 7; + ret = 0; + for (i = 0; i < 8; ++i) { + if (!(flags & ST)) { + ret |= __get_user(ptr0[i^sw], addr + i); + ret |= __get_user(ptr1[i^sw], addr + i + 8); + } else { + ret |= __put_user(ptr0[i^sw], addr + i); + ret |= __put_user(ptr1[i^sw], addr + i + 8); } } if (ret) diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S index 70693a5c12a..693b14a778f 100644 --- a/arch/powerpc/lib/copyuser_64.S +++ b/arch/powerpc/lib/copyuser_64.S @@ -62,18 +62,19 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 72: std r8,8(r3) beq+ 3f addi r3,r3,16 -23: ld r9,8(r4) .Ldo_tail: bf cr7*4+1,1f - rotldi r9,r9,32 +23: lwz r9,8(r4) + addi r4,r4,4 73: stw r9,0(r3) addi r3,r3,4 1: bf cr7*4+2,2f - rotldi r9,r9,16 +44: lhz r9,8(r4) + addi r4,r4,2 74: sth r9,0(r3) addi r3,r3,2 2: bf cr7*4+3,3f - rotldi r9,r9,8 +45: lbz r9,8(r4) 75: stb r9,0(r3) 3: li r3,0 blr @@ -141,11 +142,24 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 6: cmpwi cr1,r5,8 addi r3,r3,32 sld r9,r9,r10 - ble cr1,.Ldo_tail + ble cr1,7f 34: ld r0,8(r4) srd r7,r0,r11 or r9,r7,r9 - b .Ldo_tail +7: + bf cr7*4+1,1f + rotldi r9,r9,32 +94: stw r9,0(r3) + addi r3,r3,4 +1: bf cr7*4+2,2f + rotldi r9,r9,16 +95: sth r9,0(r3) + addi r3,r3,2 +2: bf cr7*4+3,3f + rotldi r9,r9,8 +96: stb r9,0(r3) +3: li r3,0 + blr .Ldst_unaligned: PPC_MTOCRF 0x01,r6 /* put #bytes to 8B bdry into cr7 */ @@ -218,7 +232,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 121: 132: addi r3,r3,8 -123: 134: 135: 138: @@ -226,6 +239,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 140: 141: 142: +123: +144: +145: /* * here we have had a fault on a load and r3 points to the first @@ -309,6 +325,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 187: 188: 189: +194: +195: +196: 1: ld r6,-24(r1) ld r5,-8(r1) @@ -329,7 +348,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) .llong 72b,172b .llong 23b,123b .llong 73b,173b + .llong 44b,144b .llong 74b,174b + .llong 45b,145b .llong 75b,175b .llong 24b,124b .llong 25b,125b @@ -347,6 +368,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) .llong 79b,179b .llong 80b,180b .llong 34b,134b + .llong 94b,194b + .llong 95b,195b + .llong 96b,196b .llong 35b,135b .llong 81b,181b .llong 36b,136b diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S index fe2d34e5332..e178922b2c2 100644 --- a/arch/powerpc/lib/memcpy_64.S +++ b/arch/powerpc/lib/memcpy_64.S @@ -53,18 +53,19 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 3: std r8,8(r3) beq 3f addi r3,r3,16 - ld r9,8(r4) .Ldo_tail: bf cr7*4+1,1f - rotldi r9,r9,32 + lwz r9,8(r4) + addi r4,r4,4 stw r9,0(r3) addi r3,r3,4 1: bf cr7*4+2,2f - rotldi r9,r9,16 + lhz r9,8(r4) + addi r4,r4,2 sth r9,0(r3) addi r3,r3,2 2: bf cr7*4+3,3f - rotldi r9,r9,8 + lbz r9,8(r4) stb r9,0(r3) 3: ld r3,48(r1) /* return dest pointer */ blr @@ -133,11 +134,24 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) cmpwi cr1,r5,8 addi r3,r3,32 sld r9,r9,r10 - ble cr1,.Ldo_tail + ble cr1,6f ld r0,8(r4) srd r7,r0,r11 or r9,r7,r9 - b .Ldo_tail +6: + bf cr7*4+1,1f + rotldi r9,r9,32 + stw r9,0(r3) + addi r3,r3,4 +1: bf cr7*4+2,2f + rotldi r9,r9,16 + sth r9,0(r3) + addi r3,r3,2 +2: bf cr7*4+3,3f + rotldi r9,r9,8 + stb r9,0(r3) +3: ld r3,48(r1) /* return dest pointer */ + blr .Ldst_unaligned: PPC_MTOCRF 0x01,r6 # put #bytes to 8B bdry into cr7 diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c index 77fae5f64f2..5558d932b4d 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.c +++ b/arch/powerpc/sysdev/ppc4xx_pci.c @@ -204,6 +204,23 @@ static int __init ppc4xx_setup_one_pci_PMM(struct pci_controller *hose, { u32 ma, pcila, pciha; + /* Hack warning ! The "old" PCI 2.x cell only let us configure the low + * 32-bit of incoming PLB addresses. The top 4 bits of the 36-bit + * address are actually hard wired to a value that appears to depend + * on the specific SoC. For example, it's 0 on 440EP and 1 on 440EPx. + * + * The trick here is we just crop those top bits and ignore them when + * programming the chip. That means the device-tree has to be right + * for the specific part used (we don't print a warning if it's wrong + * but on the other hand, you'll crash quickly enough), but at least + * this code should work whatever the hard coded value is + */ + plb_addr &= 0xffffffffull; + + /* Note: Due to the above hack, the test below doesn't actually test + * if you address is above 4G, but it tests that address and + * (address + size) are both contained in the same 4G + */ if ((plb_addr + size) > 0xffffffffull || !is_power_of_2(size) || size < 0x1000 || (plb_addr & (size - 1)) != 0) { printk(KERN_WARNING "%s: Resource out of range\n", diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c index 7c35787d29b..72da416f616 100644 --- a/arch/sh/boards/board-ap325rxa.c +++ b/arch/sh/boards/board-ap325rxa.c @@ -22,7 +22,6 @@ #include <linux/gpio.h> #include <linux/spi/spi.h> #include <linux/spi/spi_gpio.h> -#include <media/ov772x.h> #include <media/soc_camera_platform.h> #include <media/sh_mobile_ceu.h> #include <video/sh_mobile_lcdc.h> @@ -224,7 +223,6 @@ static void camera_power(int val) } #ifdef CONFIG_I2C -/* support for the old ncm03j camera */ static unsigned char camera_ncm03j_magic[] = { 0x87, 0x00, 0x88, 0x08, 0x89, 0x01, 0x8A, 0xE8, @@ -245,23 +243,6 @@ static unsigned char camera_ncm03j_magic[] = 0x63, 0xD4, 0x64, 0xEA, 0xD6, 0x0F, }; -static int camera_probe(void) -{ - struct i2c_adapter *a = i2c_get_adapter(0); - struct i2c_msg msg; - int ret; - - camera_power(1); - msg.addr = 0x6e; - msg.buf = camera_ncm03j_magic; - msg.len = 2; - msg.flags = 0; - ret = i2c_transfer(a, &msg, 1); - camera_power(0); - - return ret; -} - static int camera_set_capture(struct soc_camera_platform_info *info, int enable) { @@ -313,35 +294,8 @@ static struct platform_device camera_device = { .platform_data = &camera_info, }, }; - -static int __init camera_setup(void) -{ - if (camera_probe() > 0) - platform_device_register(&camera_device); - - return 0; -} -late_initcall(camera_setup); - #endif /* CONFIG_I2C */ -static int ov7725_power(struct device *dev, int mode) -{ - camera_power(0); - if (mode) - camera_power(1); - - return 0; -} - -static struct ov772x_camera_info ov7725_info = { - .buswidth = SOCAM_DATAWIDTH_8, - .flags = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP, - .link = { - .power = ov7725_power, - }, -}; - static struct sh_mobile_ceu_info sh_mobile_ceu_info = { .flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_MASTER | SOCAM_DATAWIDTH_8, @@ -392,6 +346,9 @@ static struct platform_device *ap325rxa_devices[] __initdata = { &ap325rxa_nor_flash_device, &lcdc_device, &ceu_device, +#ifdef CONFIG_I2C + &camera_device, +#endif &nand_flash_device, &sdcard_cn3_device, }; @@ -400,10 +357,6 @@ static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = { { I2C_BOARD_INFO("pcf8563", 0x51), }, - { - I2C_BOARD_INFO("ov772x", 0x21), - .platform_data = &ov7725_info, - }, }; static struct spi_board_info ap325rxa_spi_devices[] = { diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7201.c b/arch/sh/kernel/cpu/sh2a/clock-sh7201.c index 020a96fe961..4a5e5973233 100644 --- a/arch/sh/kernel/cpu/sh2a/clock-sh7201.c +++ b/arch/sh/kernel/cpu/sh2a/clock-sh7201.c @@ -18,8 +18,8 @@ #include <asm/freq.h> #include <asm/io.h> -const static int pll1rate[]={1,2,3,4,6,8}; -const static int pfc_divisors[]={1,2,3,4,6,8,12}; +static const int pll1rate[]={1,2,3,4,6,8}; +static const int pfc_divisors[]={1,2,3,4,6,8,12}; #define ifc_divisors pfc_divisors #if (CONFIG_SH_CLK_MD == 0) diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h index f260b58f5ce..0e706257918 100644 --- a/arch/sparc/include/asm/compat.h +++ b/arch/sparc/include/asm/compat.h @@ -240,4 +240,9 @@ struct compat_shmid64_ds { unsigned int __unused2; }; +static inline int is_compat_task(void) +{ + return test_thread_flag(TIF_32BIT); +} + #endif /* _ASM_SPARC64_COMPAT_H */ diff --git a/arch/sparc/include/asm/seccomp.h b/arch/sparc/include/asm/seccomp.h index 7fcd9968192..adca1bce41d 100644 --- a/arch/sparc/include/asm/seccomp.h +++ b/arch/sparc/include/asm/seccomp.h @@ -1,11 +1,5 @@ #ifndef _ASM_SECCOMP_H -#include <linux/thread_info.h> /* already defines TIF_32BIT */ - -#ifndef TIF_32BIT -#error "unexpected TIF_32BIT on sparc64" -#endif - #include <linux/unistd.h> #define __NR_seccomp_read __NR_read diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c index 3b9f4d6e14a..e1a9598e2a4 100644 --- a/arch/sparc/kernel/chmc.c +++ b/arch/sparc/kernel/chmc.c @@ -306,6 +306,7 @@ static int jbusmc_print_dimm(int syndrome_code, buf[1] = '?'; buf[2] = '?'; buf[3] = '\0'; + return 0; } p = dp->controller; prop = &p->layout; diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5e2919c0ff9..469f3450bf8 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -40,6 +40,9 @@ config X86 select HAVE_GENERIC_DMA_COHERENT if X86_32 select HAVE_EFFICIENT_UNALIGNED_ACCESS select USER_STACKTRACE_SUPPORT + select HAVE_KERNEL_GZIP + select HAVE_KERNEL_BZIP2 + select HAVE_KERNEL_LZMA config ARCH_DEFCONFIG string @@ -1822,7 +1825,7 @@ config DMAR remapping devices. config DMAR_DEFAULT_ON - def_bool n + def_bool y prompt "Enable DMA Remapping Devices by default" depends on DMAR help diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 1771c804e02..3ca4c194b8e 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -4,7 +4,7 @@ # create a compressed vmlinux image from the original vmlinux # -targets := vmlinux vmlinux.bin vmlinux.bin.gz head_$(BITS).o misc.o piggy.o +targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma head_$(BITS).o misc.o piggy.o KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 KBUILD_CFLAGS += -fno-strict-aliasing -fPIC @@ -47,18 +47,35 @@ ifeq ($(CONFIG_X86_32),y) ifdef CONFIG_RELOCATABLE $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE $(call if_changed,gzip) +$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin.all FORCE + $(call if_changed,bzip2) +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin.all FORCE + $(call if_changed,lzma) else $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE $(call if_changed,gzip) +$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE + $(call if_changed,bzip2) +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE + $(call if_changed,lzma) endif LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T else + $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE $(call if_changed,gzip) +$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE + $(call if_changed,bzip2) +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE + $(call if_changed,lzma) LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T endif -$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE +suffix_$(CONFIG_KERNEL_GZIP) = gz +suffix_$(CONFIG_KERNEL_BZIP2) = bz2 +suffix_$(CONFIG_KERNEL_LZMA) = lzma + +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE $(call if_changed,ld) diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index da062216948..e45be73684f 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -116,71 +116,13 @@ /* * gzip declarations */ - -#define OF(args) args #define STATIC static #undef memset #undef memcpy #define memzero(s, n) memset((s), 0, (n)) -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -/* - * Window size must be at least 32k, and a power of two. - * We don't actually have a window just a huge output buffer, - * so we report a 2G window size, as that should always be - * larger than our output buffer: - */ -#define WSIZE 0x80000000 - -/* Input buffer: */ -static unsigned char *inbuf; - -/* Sliding window buffer (and final output buffer): */ -static unsigned char *window; - -/* Valid bytes in inbuf: */ -static unsigned insize; - -/* Index of next byte to be processed in inbuf: */ -static unsigned inptr; - -/* Bytes in output buffer: */ -static unsigned outcnt; - -/* gzip flag byte */ -#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */ -#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gz file */ -#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ -#define ORIG_NAM 0x08 /* bit 3 set: original file name present */ -#define COMMENT 0x10 /* bit 4 set: file comment present */ -#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */ -#define RESERVED 0xC0 /* bit 6, 7: reserved */ - -#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf()) - -/* Diagnostic functions */ -#ifdef DEBUG -# define Assert(cond, msg) do { if (!(cond)) error(msg); } while (0) -# define Trace(x) do { fprintf x; } while (0) -# define Tracev(x) do { if (verbose) fprintf x ; } while (0) -# define Tracevv(x) do { if (verbose > 1) fprintf x ; } while (0) -# define Tracec(c, x) do { if (verbose && (c)) fprintf x ; } while (0) -# define Tracecv(c, x) do { if (verbose > 1 && (c)) fprintf x ; } while (0) -#else -# define Assert(cond, msg) -# define Trace(x) -# define Tracev(x) -# define Tracevv(x) -# define Tracec(c, x) -# define Tracecv(c, x) -#endif -static int fill_inbuf(void); -static void flush_window(void); static void error(char *m); /* @@ -189,13 +131,8 @@ static void error(char *m); static struct boot_params *real_mode; /* Pointer to real-mode data */ static int quiet; -extern unsigned char input_data[]; -extern int input_len; - -static long bytes_out; - static void *memset(void *s, int c, unsigned n); -static void *memcpy(void *dest, const void *src, unsigned n); +void *memcpy(void *dest, const void *src, unsigned n); static void __putstr(int, const char *); #define putstr(__x) __putstr(0, __x) @@ -213,7 +150,17 @@ static char *vidmem; static int vidport; static int lines, cols; -#include "../../../../lib/inflate.c" +#ifdef CONFIG_KERNEL_GZIP +#include "../../../../lib/decompress_inflate.c" +#endif + +#ifdef CONFIG_KERNEL_BZIP2 +#include "../../../../lib/decompress_bunzip2.c" +#endif + +#ifdef CONFIG_KERNEL_LZMA +#include "../../../../lib/decompress_unlzma.c" +#endif static void scroll(void) { @@ -282,7 +229,7 @@ static void *memset(void *s, int c, unsigned n) return s; } -static void *memcpy(void *dest, const void *src, unsigned n) +void *memcpy(void *dest, const void *src, unsigned n) { int i; const char *s = src; @@ -293,38 +240,6 @@ static void *memcpy(void *dest, const void *src, unsigned n) return dest; } -/* =========================================================================== - * Fill the input buffer. This is called only when the buffer is empty - * and at least one byte is really needed. - */ -static int fill_inbuf(void) -{ - error("ran out of input data"); - return 0; -} - -/* =========================================================================== - * Write the output window window[0..outcnt-1] and update crc and bytes_out. - * (Used for the decompressed data only.) - */ -static void flush_window(void) -{ - /* With my window equal to my output buffer - * I only need to compute the crc here. - */ - unsigned long c = crc; /* temporary variable */ - unsigned n; - unsigned char *in, ch; - - in = window; - for (n = 0; n < outcnt; n++) { - ch = *in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (unsigned long)outcnt; - outcnt = 0; -} static void error(char *x) { @@ -407,12 +322,8 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, lines = real_mode->screen_info.orig_video_lines; cols = real_mode->screen_info.orig_video_cols; - window = output; /* Output buffer (Normally at 1M) */ free_mem_ptr = heap; /* Heap */ free_mem_end_ptr = heap + BOOT_HEAP_SIZE; - inbuf = input_data; /* Input buffer */ - insize = input_len; - inptr = 0; #ifdef CONFIG_X86_64 if ((unsigned long)output & (__KERNEL_ALIGN - 1)) @@ -430,10 +341,9 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, #endif #endif - makecrc(); if (!quiet) putstr("\nDecompressing Linux... "); - gunzip(); + decompress(input_data, input_len, NULL, NULL, output, NULL, error); parse_elf(output); if (!quiet) putstr("done.\nBooting the kernel.\n"); diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h index dd61616cb73..6526cf08b0e 100644 --- a/arch/x86/include/asm/boot.h +++ b/arch/x86/include/asm/boot.h @@ -10,17 +10,31 @@ #define EXTENDED_VGA 0xfffe /* 80x50 mode */ #define ASK_VGA 0xfffd /* ask for it at bootup */ +#ifdef __KERNEL__ + /* Physical address where kernel should be loaded. */ #define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ + (CONFIG_PHYSICAL_ALIGN - 1)) \ & ~(CONFIG_PHYSICAL_ALIGN - 1)) +#ifdef CONFIG_KERNEL_BZIP2 +#define BOOT_HEAP_SIZE 0x400000 +#else /* !CONFIG_KERNEL_BZIP2 */ + #ifdef CONFIG_X86_64 #define BOOT_HEAP_SIZE 0x7000 -#define BOOT_STACK_SIZE 0x4000 #else #define BOOT_HEAP_SIZE 0x4000 +#endif + +#endif /* !CONFIG_KERNEL_BZIP2 */ + +#ifdef CONFIG_X86_64 +#define BOOT_STACK_SIZE 0x4000 +#else #define BOOT_STACK_SIZE 0x1000 #endif +#endif /* __KERNEL__ */ + #endif /* _ASM_X86_BOOT_H */ diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h index 23696d44a0a..dca8f03da5b 100644 --- a/arch/x86/include/asm/fixmap.h +++ b/arch/x86/include/asm/fixmap.h @@ -1,11 +1,155 @@ +/* + * fixmap.h: compile-time virtual memory allocation + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1998 Ingo Molnar + * + * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 + * x86_32 and x86_64 integration by Gustavo F. Padovan, February 2009 + */ + #ifndef _ASM_X86_FIXMAP_H #define _ASM_X86_FIXMAP_H +#ifndef __ASSEMBLY__ +#include <linux/kernel.h> +#include <asm/acpi.h> +#include <asm/apicdef.h> +#include <asm/page.h> +#ifdef CONFIG_X86_32 +#include <linux/threads.h> +#include <asm/kmap_types.h> +#else +#include <asm/vsyscall.h> +#ifdef CONFIG_EFI +#include <asm/efi.h> +#endif +#endif + +/* + * We can't declare FIXADDR_TOP as variable for x86_64 because vsyscall + * uses fixmaps that relies on FIXADDR_TOP for proper address calculation. + * Because of this, FIXADDR_TOP x86 integration was left as later work. + */ +#ifdef CONFIG_X86_32 +/* used by vmalloc.c, vsyscall.lds.S. + * + * Leave one empty page between vmalloc'ed areas and + * the start of the fixmap. + */ +extern unsigned long __FIXADDR_TOP; +#define FIXADDR_TOP ((unsigned long)__FIXADDR_TOP) + +#define FIXADDR_USER_START __fix_to_virt(FIX_VDSO) +#define FIXADDR_USER_END __fix_to_virt(FIX_VDSO - 1) +#else +#define FIXADDR_TOP (VSYSCALL_END-PAGE_SIZE) + +/* Only covers 32bit vsyscalls currently. Need another set for 64bit. */ +#define FIXADDR_USER_START ((unsigned long)VSYSCALL32_VSYSCALL) +#define FIXADDR_USER_END (FIXADDR_USER_START + PAGE_SIZE) +#endif + + +/* + * Here we define all the compile-time 'special' virtual + * addresses. The point is to have a constant address at + * compile time, but to set the physical address only + * in the boot process. + * for x86_32: We allocate these special addresses + * from the end of virtual memory (0xfffff000) backwards. + * Also this lets us do fail-safe vmalloc(), we + * can guarantee that these special addresses and + * vmalloc()-ed addresses never overlap. + * + * These 'compile-time allocated' memory buffers are + * fixed-size 4k pages (or larger if used with an increment + * higher than 1). Use set_fixmap(idx,phys) to associate + * physical memory with fixmap indices. + * + * TLB entries of such buffers will not be flushed across + * task switches. + */ +enum fixed_addresses { #ifdef CONFIG_X86_32 -# include "fixmap_32.h" + FIX_HOLE, + FIX_VDSO, #else -# include "fixmap_64.h" + VSYSCALL_LAST_PAGE, + VSYSCALL_FIRST_PAGE = VSYSCALL_LAST_PAGE + + ((VSYSCALL_END-VSYSCALL_START) >> PAGE_SHIFT) - 1, + VSYSCALL_HPET, #endif + FIX_DBGP_BASE, + FIX_EARLYCON_MEM_BASE, +#ifdef CONFIG_X86_LOCAL_APIC + FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */ +#endif +#ifdef CONFIG_X86_IO_APIC + FIX_IO_APIC_BASE_0, + FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS - 1, +#endif +#ifdef CONFIG_X86_64 +#ifdef CONFIG_EFI + FIX_EFI_IO_MAP_LAST_PAGE, + FIX_EFI_IO_MAP_FIRST_PAGE = FIX_EFI_IO_MAP_LAST_PAGE + + MAX_EFI_IO_PAGES - 1, +#endif +#endif +#ifdef CONFIG_X86_VISWS_APIC + FIX_CO_CPU, /* Cobalt timer */ + FIX_CO_APIC, /* Cobalt APIC Redirection Table */ + FIX_LI_PCIA, /* Lithium PCI Bridge A */ + FIX_LI_PCIB, /* Lithium PCI Bridge B */ +#endif +#ifdef CONFIG_X86_F00F_BUG + FIX_F00F_IDT, /* Virtual mapping for IDT */ +#endif +#ifdef CONFIG_X86_CYCLONE_TIMER + FIX_CYCLONE_TIMER, /*cyclone timer register*/ +#endif +#ifdef CONFIG_X86_32 + FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */ + FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1, +#ifdef CONFIG_PCI_MMCONFIG + FIX_PCIE_MCFG, +#endif +#endif +#ifdef CONFIG_PARAVIRT + FIX_PARAVIRT_BOOTMAP, +#endif + __end_of_permanent_fixed_addresses, +#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT + FIX_OHCI1394_BASE, +#endif + /* + * 256 temporary boot-time mappings, used by early_ioremap(), + * before ioremap() is functional. + * + * We round it up to the next 256 pages boundary so that we + * can have a single pgd entry and a single pte table: + */ +#define NR_FIX_BTMAPS 64 +#define FIX_BTMAPS_SLOTS 4 + FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 - + (__end_of_permanent_fixed_addresses & 255), + FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1, +#ifdef CONFIG_X86_32 + FIX_WP_TEST, +#endif + __end_of_fixed_addresses +}; + + +extern void reserve_top_address(unsigned long reserve); + +#define FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) +#define FIXADDR_BOOT_START (FIXADDR_TOP - FIXADDR_BOOT_SIZE) extern int fixmaps_set; @@ -69,4 +213,5 @@ static inline unsigned long virt_to_fix(const unsigned long vaddr) BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); return __virt_to_fix(vaddr); } +#endif /* !__ASSEMBLY__ */ #endif /* _ASM_X86_FIXMAP_H */ diff --git a/arch/x86/include/asm/fixmap_32.h b/arch/x86/include/asm/fixmap_32.h deleted file mode 100644 index 047d9bab2b3..00000000000 --- a/arch/x86/include/asm/fixmap_32.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * fixmap.h: compile-time virtual memory allocation - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1998 Ingo Molnar - * - * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 - */ - -#ifndef _ASM_X86_FIXMAP_32_H -#define _ASM_X86_FIXMAP_32_H - - -/* used by vmalloc.c, vsyscall.lds.S. - * - * Leave one empty page between vmalloc'ed areas and - * the start of the fixmap. - */ -extern unsigned long __FIXADDR_TOP; -#define FIXADDR_USER_START __fix_to_virt(FIX_VDSO) -#define FIXADDR_USER_END __fix_to_virt(FIX_VDSO - 1) - -#ifndef __ASSEMBLY__ -#include <linux/kernel.h> -#include <asm/acpi.h> -#include <asm/apicdef.h> -#include <asm/page.h> -#include <linux/threads.h> -#include <asm/kmap_types.h> - -/* - * Here we define all the compile-time 'special' virtual - * addresses. The point is to have a constant address at - * compile time, but to set the physical address only - * in the boot process. We allocate these special addresses - * from the end of virtual memory (0xfffff000) backwards. - * Also this lets us do fail-safe vmalloc(), we - * can guarantee that these special addresses and - * vmalloc()-ed addresses never overlap. - * - * these 'compile-time allocated' memory buffers are - * fixed-size 4k pages. (or larger if used with an increment - * highger than 1) use fixmap_set(idx,phys) to associate - * physical memory with fixmap indices. - * - * TLB entries of such buffers will not be flushed across - * task switches. - */ -enum fixed_addresses { - FIX_HOLE, - FIX_VDSO, - FIX_DBGP_BASE, - FIX_EARLYCON_MEM_BASE, -#ifdef CONFIG_X86_LOCAL_APIC - FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */ -#endif -#ifdef CONFIG_X86_IO_APIC - FIX_IO_APIC_BASE_0, - FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS-1, -#endif -#ifdef CONFIG_X86_VISWS_APIC - FIX_CO_CPU, /* Cobalt timer */ - FIX_CO_APIC, /* Cobalt APIC Redirection Table */ - FIX_LI_PCIA, /* Lithium PCI Bridge A */ - FIX_LI_PCIB, /* Lithium PCI Bridge B */ -#endif -#ifdef CONFIG_X86_F00F_BUG - FIX_F00F_IDT, /* Virtual mapping for IDT */ -#endif -#ifdef CONFIG_X86_CYCLONE_TIMER - FIX_CYCLONE_TIMER, /*cyclone timer register*/ -#endif - FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */ - FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1, -#ifdef CONFIG_PCI_MMCONFIG - FIX_PCIE_MCFG, -#endif -#ifdef CONFIG_PARAVIRT - FIX_PARAVIRT_BOOTMAP, -#endif - __end_of_permanent_fixed_addresses, - /* - * 256 temporary boot-time mappings, used by early_ioremap(), - * before ioremap() is functional. - * - * We round it up to the next 256 pages boundary so that we - * can have a single pgd entry and a single pte table: - */ -#define NR_FIX_BTMAPS 64 -#define FIX_BTMAPS_SLOTS 4 - FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 - - (__end_of_permanent_fixed_addresses & 255), - FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1, - FIX_WP_TEST, -#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT - FIX_OHCI1394_BASE, -#endif - __end_of_fixed_addresses -}; - -extern void reserve_top_address(unsigned long reserve); - - -#define FIXADDR_TOP ((unsigned long)__FIXADDR_TOP) - -#define __FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT) -#define __FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) -#define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE) -#define FIXADDR_BOOT_START (FIXADDR_TOP - __FIXADDR_BOOT_SIZE) - -#endif /* !__ASSEMBLY__ */ -#endif /* _ASM_X86_FIXMAP_32_H */ diff --git a/arch/x86/include/asm/fixmap_64.h b/arch/x86/include/asm/fixmap_64.h deleted file mode 100644 index 298d9ba3fae..00000000000 --- a/arch/x86/include/asm/fixmap_64.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * fixmap.h: compile-time virtual memory allocation - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1998 Ingo Molnar - */ - -#ifndef _ASM_X86_FIXMAP_64_H -#define _ASM_X86_FIXMAP_64_H - -#include <linux/kernel.h> -#include <asm/acpi.h> -#include <asm/apicdef.h> -#include <asm/page.h> -#include <asm/vsyscall.h> -#include <asm/efi.h> - -/* - * Here we define all the compile-time 'special' virtual - * addresses. The point is to have a constant address at - * compile time, but to set the physical address only - * in the boot process. - * - * These 'compile-time allocated' memory buffers are - * fixed-size 4k pages (or larger if used with an increment - * higher than 1). Use set_fixmap(idx,phys) to associate - * physical memory with fixmap indices. - * - * TLB entries of such buffers will not be flushed across - * task switches. - */ - -enum fixed_addresses { - VSYSCALL_LAST_PAGE, - VSYSCALL_FIRST_PAGE = VSYSCALL_LAST_PAGE - + ((VSYSCALL_END-VSYSCALL_START) >> PAGE_SHIFT) - 1, - VSYSCALL_HPET, - FIX_DBGP_BASE, - FIX_EARLYCON_MEM_BASE, - FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */ - FIX_IO_APIC_BASE_0, - FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS - 1, - FIX_EFI_IO_MAP_LAST_PAGE, - FIX_EFI_IO_MAP_FIRST_PAGE = FIX_EFI_IO_MAP_LAST_PAGE - + MAX_EFI_IO_PAGES - 1, -#ifdef CONFIG_PARAVIRT - FIX_PARAVIRT_BOOTMAP, -#endif - __end_of_permanent_fixed_addresses, -#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT - FIX_OHCI1394_BASE, -#endif - /* - * 256 temporary boot-time mappings, used by early_ioremap(), - * before ioremap() is functional. - * - * We round it up to the next 256 pages boundary so that we - * can have a single pgd entry and a single pte table: - */ -#define NR_FIX_BTMAPS 64 -#define FIX_BTMAPS_SLOTS 4 - FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 - - (__end_of_permanent_fixed_addresses & 255), - FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1, - __end_of_fixed_addresses -}; - -#define FIXADDR_TOP (VSYSCALL_END-PAGE_SIZE) -#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) -#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) - -/* Only covers 32bit vsyscalls currently. Need another set for 64bit. */ -#define FIXADDR_USER_START ((unsigned long)VSYSCALL32_VSYSCALL) -#define FIXADDR_USER_END (FIXADDR_USER_START + PAGE_SIZE) - -#endif /* _ASM_X86_FIXMAP_64_H */ diff --git a/arch/x86/include/asm/iomap.h b/arch/x86/include/asm/iomap.h index bd46495ff7d..86af26091d6 100644 --- a/arch/x86/include/asm/iomap.h +++ b/arch/x86/include/asm/iomap.h @@ -24,10 +24,7 @@ #include <asm/tlbflush.h> int -reserve_io_memtype_wc(u64 base, unsigned long size, pgprot_t *prot); - -void -free_io_memtype(u64 base, unsigned long size); +is_io_mapping_possible(resource_size_t base, unsigned long size); void * iomap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot); diff --git a/arch/x86/include/asm/numa_32.h b/arch/x86/include/asm/numa_32.h index e9f5db79624..a37229011b5 100644 --- a/arch/x86/include/asm/numa_32.h +++ b/arch/x86/include/asm/numa_32.h @@ -4,8 +4,12 @@ extern int pxm_to_nid(int pxm); extern void numa_remove_cpu(int cpu); -#ifdef CONFIG_NUMA +#ifdef CONFIG_HIGHMEM extern void set_highmem_pages_init(void); +#else +static inline void set_highmem_pages_init(void) +{ +} #endif #endif /* _ASM_X86_NUMA_32_H */ diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index c7a98f73821..76139506c3e 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -248,7 +248,6 @@ struct x86_hw_tss { #define IO_BITMAP_LONGS (IO_BITMAP_BYTES/sizeof(long)) #define IO_BITMAP_OFFSET offsetof(struct tss_struct, io_bitmap) #define INVALID_IO_BITMAP_OFFSET 0x8000 -#define INVALID_IO_BITMAP_OFFSET_LAZY 0x9000 struct tss_struct { /* @@ -263,11 +262,6 @@ struct tss_struct { * be within the limit. */ unsigned long io_bitmap[IO_BITMAP_LONGS + 1]; - /* - * Cache the current maximum and the last task that used the bitmap: - */ - unsigned long io_bitmap_max; - struct thread_struct *io_bitmap_owner; /* * .. and then another 0x100 bytes for the emergency kernel stack: diff --git a/arch/x86/include/asm/seccomp_32.h b/arch/x86/include/asm/seccomp_32.h index a6ad87b352c..b811d6f5780 100644 --- a/arch/x86/include/asm/seccomp_32.h +++ b/arch/x86/include/asm/seccomp_32.h @@ -1,12 +1,6 @@ #ifndef _ASM_X86_SECCOMP_32_H #define _ASM_X86_SECCOMP_32_H -#include <linux/thread_info.h> - -#ifdef TIF_32BIT -#error "unexpected TIF_32BIT on i386" -#endif - #include <linux/unistd.h> #define __NR_seccomp_read __NR_read diff --git a/arch/x86/include/asm/seccomp_64.h b/arch/x86/include/asm/seccomp_64.h index 4171bb794e9..84ec1bd161a 100644 --- a/arch/x86/include/asm/seccomp_64.h +++ b/arch/x86/include/asm/seccomp_64.h @@ -1,14 +1,6 @@ #ifndef _ASM_X86_SECCOMP_64_H #define _ASM_X86_SECCOMP_64_H -#include <linux/thread_info.h> - -#ifdef TIF_32BIT -#error "unexpected TIF_32BIT on x86_64" -#else -#define TIF_32BIT TIF_IA32 -#endif - #include <linux/unistd.h> #include <asm/ia32_unistd.h> diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h index c00bfdbdd45..643c59b4bc6 100644 --- a/arch/x86/include/asm/system.h +++ b/arch/x86/include/asm/system.h @@ -20,6 +20,9 @@ struct task_struct; /* one of the stranger aspects of C forward declarations */ struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *next); +struct tss_struct; +void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, + struct tss_struct *tss); #ifdef CONFIG_X86_32 diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h index a0ba6138697..5e06259e90e 100644 --- a/arch/x86/include/asm/uaccess_32.h +++ b/arch/x86/include/asm/uaccess_32.h @@ -157,7 +157,7 @@ __copy_from_user(void *to, const void __user *from, unsigned long n) } static __always_inline unsigned long __copy_from_user_nocache(void *to, - const void __user *from, unsigned long n, unsigned long total) + const void __user *from, unsigned long n) { might_fault(); if (__builtin_constant_p(n)) { @@ -180,7 +180,7 @@ static __always_inline unsigned long __copy_from_user_nocache(void *to, static __always_inline unsigned long __copy_from_user_inatomic_nocache(void *to, const void __user *from, - unsigned long n, unsigned long total) + unsigned long n) { return __copy_from_user_ll_nocache_nozero(to, from, n); } diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index dcaa0404cf7..8cc687326eb 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -188,29 +188,18 @@ __copy_to_user_inatomic(void __user *dst, const void *src, unsigned size) extern long __copy_user_nocache(void *dst, const void __user *src, unsigned size, int zerorest); -static inline int __copy_from_user_nocache(void *dst, const void __user *src, - unsigned size, unsigned long total) +static inline int +__copy_from_user_nocache(void *dst, const void __user *src, unsigned size) { might_sleep(); - /* - * In practice this limit means that large file write()s - * which get chunked to 4K copies get handled via - * non-temporal stores here. Smaller writes get handled - * via regular __copy_from_user(): - */ - if (likely(total >= PAGE_SIZE)) - return __copy_user_nocache(dst, src, size, 1); - else - return __copy_from_user(dst, src, size); + return __copy_user_nocache(dst, src, size, 1); } -static inline int __copy_from_user_inatomic_nocache(void *dst, - const void __user *src, unsigned size, unsigned total) +static inline int +__copy_from_user_inatomic_nocache(void *dst, const void __user *src, + unsigned size) { - if (likely(total >= PAGE_SIZE)) - return __copy_user_nocache(dst, src, size, 0); - else - return __copy_from_user_inatomic(dst, src, size); + return __copy_user_nocache(dst, src, size, 0); } unsigned long diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c index 01b1244ef1c..d67e0e48bc2 100644 --- a/arch/x86/kernel/cpu/proc.c +++ b/arch/x86/kernel/cpu/proc.c @@ -7,11 +7,10 @@ /* * Get CPU information for use by the procfs. */ -#ifdef CONFIG_X86_32 static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, unsigned int cpu) { -#ifdef CONFIG_X86_HT +#ifdef CONFIG_SMP if (c->x86_max_cores * smp_num_siblings > 1) { seq_printf(m, "physical id\t: %d\n", c->phys_proc_id); seq_printf(m, "siblings\t: %d\n", @@ -24,6 +23,7 @@ static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, #endif } +#ifdef CONFIG_X86_32 static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c) { /* @@ -50,22 +50,6 @@ static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c) c->wp_works_ok ? "yes" : "no"); } #else -static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, - unsigned int cpu) -{ -#ifdef CONFIG_SMP - if (c->x86_max_cores * smp_num_siblings > 1) { - seq_printf(m, "physical id\t: %d\n", c->phys_proc_id); - seq_printf(m, "siblings\t: %d\n", - cpus_weight(per_cpu(cpu_core_map, cpu))); - seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id); - seq_printf(m, "cpu cores\t: %d\n", c->booted_cores); - seq_printf(m, "apicid\t\t: %d\n", c->apicid); - seq_printf(m, "initial apicid\t: %d\n", c->initial_apicid); - } -#endif -} - static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c) { seq_printf(m, diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c index e41980a373a..99c4d308f16 100644 --- a/arch/x86/kernel/ioport.c +++ b/arch/x86/kernel/ioport.c @@ -85,19 +85,8 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on) t->io_bitmap_max = bytes; -#ifdef CONFIG_X86_32 - /* - * Sets the lazy trigger so that the next I/O operation will - * reload the correct bitmap. - * Reset the owner so that a process switch will not set - * tss->io_bitmap_base to IO_BITMAP_OFFSET. - */ - tss->x86_tss.io_bitmap_base = INVALID_IO_BITMAP_OFFSET_LAZY; - tss->io_bitmap_owner = NULL; -#else /* Update the TSS: */ memcpy(tss->io_bitmap, t->io_bitmap_ptr, bytes_updated); -#endif put_cpu(); diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 87b69d4fac1..6afa5232dbb 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -1,8 +1,8 @@ #include <linux/errno.h> #include <linux/kernel.h> #include <linux/mm.h> -#include <asm/idle.h> #include <linux/smp.h> +#include <linux/prctl.h> #include <linux/slab.h> #include <linux/sched.h> #include <linux/module.h> @@ -11,6 +11,9 @@ #include <linux/ftrace.h> #include <asm/system.h> #include <asm/apic.h> +#include <asm/idle.h> +#include <asm/uaccess.h> +#include <asm/i387.h> unsigned long idle_halt; EXPORT_SYMBOL(idle_halt); @@ -56,6 +59,192 @@ void arch_task_cache_init(void) } /* + * Free current thread data structures etc.. + */ +void exit_thread(void) +{ + struct task_struct *me = current; + struct thread_struct *t = &me->thread; + + if (me->thread.io_bitmap_ptr) { + struct tss_struct *tss = &per_cpu(init_tss, get_cpu()); + + kfree(t->io_bitmap_ptr); + t->io_bitmap_ptr = NULL; + clear_thread_flag(TIF_IO_BITMAP); + /* + * Careful, clear this in the TSS too: + */ + memset(tss->io_bitmap, 0xff, t->io_bitmap_max); + t->io_bitmap_max = 0; + put_cpu(); + } + + ds_exit_thread(current); +} + +void flush_thread(void) +{ + struct task_struct *tsk = current; + +#ifdef CONFIG_X86_64 + if (test_tsk_thread_flag(tsk, TIF_ABI_PENDING)) { + clear_tsk_thread_flag(tsk, TIF_ABI_PENDING); + if (test_tsk_thread_flag(tsk, TIF_IA32)) { + clear_tsk_thread_flag(tsk, TIF_IA32); + } else { + set_tsk_thread_flag(tsk, TIF_IA32); + current_thread_info()->status |= TS_COMPAT; + } + } +#endif + + clear_tsk_thread_flag(tsk, TIF_DEBUG); + + tsk->thread.debugreg0 = 0; + tsk->thread.debugreg1 = 0; + tsk->thread.debugreg2 = 0; + tsk->thread.debugreg3 = 0; + tsk->thread.debugreg6 = 0; + tsk->thread.debugreg7 = 0; + memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array)); + /* + * Forget coprocessor state.. + */ + tsk->fpu_counter = 0; + clear_fpu(tsk); + clear_used_math(); +} + +static void hard_disable_TSC(void) +{ + write_cr4(read_cr4() | X86_CR4_TSD); +} + +void disable_TSC(void) +{ + preempt_disable(); + if (!test_and_set_thread_flag(TIF_NOTSC)) + /* + * Must flip the CPU state synchronously with + * TIF_NOTSC in the current running context. + */ + hard_disable_TSC(); + preempt_enable(); +} + +static void hard_enable_TSC(void) +{ + write_cr4(read_cr4() & ~X86_CR4_TSD); +} + +static void enable_TSC(void) +{ + preempt_disable(); + if (test_and_clear_thread_flag(TIF_NOTSC)) + /* + * Must flip the CPU state synchronously with + * TIF_NOTSC in the current running context. + */ + hard_enable_TSC(); + preempt_enable(); +} + +int get_tsc_mode(unsigned long adr) +{ + unsigned int val; + + if (test_thread_flag(TIF_NOTSC)) + val = PR_TSC_SIGSEGV; + else + val = PR_TSC_ENABLE; + + return put_user(val, (unsigned int __user *)adr); +} + +int set_tsc_mode(unsigned int val) +{ + if (val == PR_TSC_SIGSEGV) + disable_TSC(); + else if (val == PR_TSC_ENABLE) + enable_TSC(); + else + return -EINVAL; + + return 0; +} + +void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, + struct tss_struct *tss) +{ + struct thread_struct *prev, *next; + + prev = &prev_p->thread; + next = &next_p->thread; + + if (test_tsk_thread_flag(next_p, TIF_DS_AREA_MSR) || + test_tsk_thread_flag(prev_p, TIF_DS_AREA_MSR)) + ds_switch_to(prev_p, next_p); + else if (next->debugctlmsr != prev->debugctlmsr) + update_debugctlmsr(next->debugctlmsr); + + if (test_tsk_thread_flag(next_p, TIF_DEBUG)) { + set_debugreg(next->debugreg0, 0); + set_debugreg(next->debugreg1, 1); + set_debugreg(next->debugreg2, 2); + set_debugreg(next->debugreg3, 3); + /* no 4 and 5 */ + set_debugreg(next->debugreg6, 6); + set_debugreg(next->debugreg7, 7); + } + + if (test_tsk_thread_flag(prev_p, TIF_NOTSC) ^ + test_tsk_thread_flag(next_p, TIF_NOTSC)) { + /* prev and next are different */ + if (test_tsk_thread_flag(next_p, TIF_NOTSC)) + hard_disable_TSC(); + else + hard_enable_TSC(); + } + + if (test_tsk_thread_flag(next_p, TIF_IO_BITMAP)) { + /* + * Copy the relevant range of the IO bitmap. + * Normally this is 128 bytes or less: + */ + memcpy(tss->io_bitmap, next->io_bitmap_ptr, + max(prev->io_bitmap_max, next->io_bitmap_max)); + } else if (test_tsk_thread_flag(prev_p, TIF_IO_BITMAP)) { + /* + * Clear any possible leftover bits: + */ + memset(tss->io_bitmap, 0xff, prev->io_bitmap_max); + } +} + +int sys_fork(struct pt_regs *regs) +{ + return do_fork(SIGCHLD, regs->sp, regs, 0, NULL, NULL); +} + +/* + * This is trivial, and on the face of it looks like it + * could equally well be done in user mode. + * + * Not so, for quite unobvious reasons - register pressure. + * In user mode vfork() cannot have a stack frame, and if + * done by calling the "clone()" system call directly, you + * do not have enough call-clobbered registers to hold all + * the information you need. + */ +int sys_vfork(struct pt_regs *regs) +{ + return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->sp, regs, 0, + NULL, NULL); +} + + +/* * Idle related variables and functions */ unsigned long boot_option_idle_override = 0; diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 646da41a620..14014d766ca 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -230,55 +230,6 @@ int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) } EXPORT_SYMBOL(kernel_thread); -/* - * Free current thread data structures etc.. - */ -void exit_thread(void) -{ - /* The process may have allocated an io port bitmap... nuke it. */ - if (unlikely(test_thread_flag(TIF_IO_BITMAP))) { - struct task_struct *tsk = current; - struct thread_struct *t = &tsk->thread; - int cpu = get_cpu(); - struct tss_struct *tss = &per_cpu(init_tss, cpu); - - kfree(t->io_bitmap_ptr); - t->io_bitmap_ptr = NULL; - clear_thread_flag(TIF_IO_BITMAP); - /* - * Careful, clear this in the TSS too: - */ - memset(tss->io_bitmap, 0xff, tss->io_bitmap_max); - t->io_bitmap_max = 0; - tss->io_bitmap_owner = NULL; - tss->io_bitmap_max = 0; - tss->x86_tss.io_bitmap_base = INVALID_IO_BITMAP_OFFSET; - put_cpu(); - } - - ds_exit_thread(current); -} - -void flush_thread(void) -{ - struct task_struct *tsk = current; - - tsk->thread.debugreg0 = 0; - tsk->thread.debugreg1 = 0; - tsk->thread.debugreg2 = 0; - tsk->thread.debugreg3 = 0; - tsk->thread.debugreg6 = 0; - tsk->thread.debugreg7 = 0; - memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array)); - clear_tsk_thread_flag(tsk, TIF_DEBUG); - /* - * Forget coprocessor state.. - */ - tsk->fpu_counter = 0; - clear_fpu(tsk); - clear_used_math(); -} - void release_thread(struct task_struct *dead_task) { BUG_ON(dead_task->mm); @@ -366,127 +317,6 @@ start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp) } EXPORT_SYMBOL_GPL(start_thread); -static void hard_disable_TSC(void) -{ - write_cr4(read_cr4() | X86_CR4_TSD); -} - -void disable_TSC(void) -{ - preempt_disable(); - if (!test_and_set_thread_flag(TIF_NOTSC)) - /* - * Must flip the CPU state synchronously with - * TIF_NOTSC in the current running context. - */ - hard_disable_TSC(); - preempt_enable(); -} - -static void hard_enable_TSC(void) -{ - write_cr4(read_cr4() & ~X86_CR4_TSD); -} - -static void enable_TSC(void) -{ - preempt_disable(); - if (test_and_clear_thread_flag(TIF_NOTSC)) - /* - * Must flip the CPU state synchronously with - * TIF_NOTSC in the current running context. - */ - hard_enable_TSC(); - preempt_enable(); -} - -int get_tsc_mode(unsigned long adr) -{ - unsigned int val; - - if (test_thread_flag(TIF_NOTSC)) - val = PR_TSC_SIGSEGV; - else - val = PR_TSC_ENABLE; - - return put_user(val, (unsigned int __user *)adr); -} - -int set_tsc_mode(unsigned int val) -{ - if (val == PR_TSC_SIGSEGV) - disable_TSC(); - else if (val == PR_TSC_ENABLE) - enable_TSC(); - else - return -EINVAL; - - return 0; -} - -static noinline void -__switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, - struct tss_struct *tss) -{ - struct thread_struct *prev, *next; - - prev = &prev_p->thread; - next = &next_p->thread; - - if (test_tsk_thread_flag(next_p, TIF_DS_AREA_MSR) || - test_tsk_thread_flag(prev_p, TIF_DS_AREA_MSR)) - ds_switch_to(prev_p, next_p); - else if (next->debugctlmsr != prev->debugctlmsr) - update_debugctlmsr(next->debugctlmsr); - - if (test_tsk_thread_flag(next_p, TIF_DEBUG)) { - set_debugreg(next->debugreg0, 0); - set_debugreg(next->debugreg1, 1); - set_debugreg(next->debugreg2, 2); - set_debugreg(next->debugreg3, 3); - /* no 4 and 5 */ - set_debugreg(next->debugreg6, 6); - set_debugreg(next->debugreg7, 7); - } - - if (test_tsk_thread_flag(prev_p, TIF_NOTSC) ^ - test_tsk_thread_flag(next_p, TIF_NOTSC)) { - /* prev and next are different */ - if (test_tsk_thread_flag(next_p, TIF_NOTSC)) - hard_disable_TSC(); - else - hard_enable_TSC(); - } - - if (!test_tsk_thread_flag(next_p, TIF_IO_BITMAP)) { - /* - * Disable the bitmap via an invalid offset. We still cache - * the previous bitmap owner and the IO bitmap contents: - */ - tss->x86_tss.io_bitmap_base = INVALID_IO_BITMAP_OFFSET; - return; - } - - if (likely(next == tss->io_bitmap_owner)) { - /* - * Previous owner of the bitmap (hence the bitmap content) - * matches the next task, we dont have to do anything but - * to set a valid offset in the TSS: - */ - tss->x86_tss.io_bitmap_base = IO_BITMAP_OFFSET; - return; - } - /* - * Lazy TSS's I/O bitmap copy. We set an invalid offset here - * and we let the task to get a GPF in case an I/O instruction - * is performed. The handler of the GPF will verify that the - * faulting task has a valid I/O bitmap and, it true, does the - * real copy and restart the instruction. This will save us - * redundant copies when the currently switched task does not - * perform any I/O during its timeslice. - */ - tss->x86_tss.io_bitmap_base = INVALID_IO_BITMAP_OFFSET_LAZY; -} /* * switch_to(x,yn) should switch tasks from x to y. @@ -600,11 +430,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) return prev_p; } -int sys_fork(struct pt_regs *regs) -{ - return do_fork(SIGCHLD, regs->sp, regs, 0, NULL, NULL); -} - int sys_clone(struct pt_regs *regs) { unsigned long clone_flags; @@ -621,21 +446,6 @@ int sys_clone(struct pt_regs *regs) } /* - * This is trivial, and on the face of it looks like it - * could equally well be done in user mode. - * - * Not so, for quite unobvious reasons - register pressure. - * In user mode vfork() cannot have a stack frame, and if - * done by calling the "clone()" system call directly, you - * do not have enough call-clobbered registers to hold all - * the information you need. - */ -int sys_vfork(struct pt_regs *regs) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->sp, regs, 0, NULL, NULL); -} - -/* * sys_execve() executes a new program. */ int sys_execve(struct pt_regs *regs) diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 836ef6575f0..abb7e6a7f0c 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -237,61 +237,6 @@ void show_regs(struct pt_regs *regs) show_trace(NULL, regs, (void *)(regs + 1), regs->bp); } -/* - * Free current thread data structures etc.. - */ -void exit_thread(void) -{ - struct task_struct *me = current; - struct thread_struct *t = &me->thread; - - if (me->thread.io_bitmap_ptr) { - struct tss_struct *tss = &per_cpu(init_tss, get_cpu()); - - kfree(t->io_bitmap_ptr); - t->io_bitmap_ptr = NULL; - clear_thread_flag(TIF_IO_BITMAP); - /* - * Careful, clear this in the TSS too: - */ - memset(tss->io_bitmap, 0xff, t->io_bitmap_max); - t->io_bitmap_max = 0; - put_cpu(); - } - - ds_exit_thread(current); -} - -void flush_thread(void) -{ - struct task_struct *tsk = current; - - if (test_tsk_thread_flag(tsk, TIF_ABI_PENDING)) { - clear_tsk_thread_flag(tsk, TIF_ABI_PENDING); - if (test_tsk_thread_flag(tsk, TIF_IA32)) { - clear_tsk_thread_flag(tsk, TIF_IA32); - } else { - set_tsk_thread_flag(tsk, TIF_IA32); - current_thread_info()->status |= TS_COMPAT; - } - } - clear_tsk_thread_flag(tsk, TIF_DEBUG); - - tsk->thread.debugreg0 = 0; - tsk->thread.debugreg1 = 0; - tsk->thread.debugreg2 = 0; - tsk->thread.debugreg3 = 0; - tsk->thread.debugreg6 = 0; - tsk->thread.debugreg7 = 0; - memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array)); - /* - * Forget coprocessor state.. - */ - tsk->fpu_counter = 0; - clear_fpu(tsk); - clear_used_math(); -} - void release_thread(struct task_struct *dead_task) { if (dead_task->mm) { @@ -425,118 +370,6 @@ start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp) } EXPORT_SYMBOL_GPL(start_thread); -static void hard_disable_TSC(void) -{ - write_cr4(read_cr4() | X86_CR4_TSD); -} - -void disable_TSC(void) -{ - preempt_disable(); - if (!test_and_set_thread_flag(TIF_NOTSC)) - /* - * Must flip the CPU state synchronously with - * TIF_NOTSC in the current running context. - */ - hard_disable_TSC(); - preempt_enable(); -} - -static void hard_enable_TSC(void) -{ - write_cr4(read_cr4() & ~X86_CR4_TSD); -} - -static void enable_TSC(void) -{ - preempt_disable(); - if (test_and_clear_thread_flag(TIF_NOTSC)) - /* - * Must flip the CPU state synchronously with - * TIF_NOTSC in the current running context. - */ - hard_enable_TSC(); - preempt_enable(); -} - -int get_tsc_mode(unsigned long adr) -{ - unsigned int val; - - if (test_thread_flag(TIF_NOTSC)) - val = PR_TSC_SIGSEGV; - else - val = PR_TSC_ENABLE; - - return put_user(val, (unsigned int __user *)adr); -} - -int set_tsc_mode(unsigned int val) -{ - if (val == PR_TSC_SIGSEGV) - disable_TSC(); - else if (val == PR_TSC_ENABLE) - enable_TSC(); - else - return -EINVAL; - - return 0; -} - -/* - * This special macro can be used to load a debugging register - */ -#define loaddebug(thread, r) set_debugreg(thread->debugreg ## r, r) - -static inline void __switch_to_xtra(struct task_struct *prev_p, - struct task_struct *next_p, - struct tss_struct *tss) -{ - struct thread_struct *prev, *next; - - prev = &prev_p->thread, - next = &next_p->thread; - - if (test_tsk_thread_flag(next_p, TIF_DS_AREA_MSR) || - test_tsk_thread_flag(prev_p, TIF_DS_AREA_MSR)) - ds_switch_to(prev_p, next_p); - else if (next->debugctlmsr != prev->debugctlmsr) - update_debugctlmsr(next->debugctlmsr); - - if (test_tsk_thread_flag(next_p, TIF_DEBUG)) { - loaddebug(next, 0); - loaddebug(next, 1); - loaddebug(next, 2); - loaddebug(next, 3); - /* no 4 and 5 */ - loaddebug(next, 6); - loaddebug(next, 7); - } - - if (test_tsk_thread_flag(prev_p, TIF_NOTSC) ^ - test_tsk_thread_flag(next_p, TIF_NOTSC)) { - /* prev and next are different */ - if (test_tsk_thread_flag(next_p, TIF_NOTSC)) - hard_disable_TSC(); - else - hard_enable_TSC(); - } - - if (test_tsk_thread_flag(next_p, TIF_IO_BITMAP)) { - /* - * Copy the relevant range of the IO bitmap. - * Normally this is 128 bytes or less: - */ - memcpy(tss->io_bitmap, next->io_bitmap_ptr, - max(prev->io_bitmap_max, next->io_bitmap_max)); - } else if (test_tsk_thread_flag(prev_p, TIF_IO_BITMAP)) { - /* - * Clear any possible leftover bits: - */ - memset(tss->io_bitmap, 0xff, prev->io_bitmap_max); - } -} - /* * switch_to(x,y) should switch tasks from x to y. * @@ -694,11 +527,6 @@ void set_personality_64bit(void) current->personality &= ~READ_IMPLIES_EXEC; } -asmlinkage long sys_fork(struct pt_regs *regs) -{ - return do_fork(SIGCHLD, regs->sp, regs, 0, NULL, NULL); -} - asmlinkage long sys_clone(unsigned long clone_flags, unsigned long newsp, void __user *parent_tid, void __user *child_tid, struct pt_regs *regs) @@ -708,22 +536,6 @@ sys_clone(unsigned long clone_flags, unsigned long newsp, return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid); } -/* - * This is trivial, and on the face of it looks like it - * could equally well be done in user mode. - * - * Not so, for quite unobvious reasons - register pressure. - * In user mode vfork() cannot have a stack frame, and if - * done by calling the "clone()" system call directly, you - * do not have enough call-clobbered registers to hold all - * the information you need. - */ -asmlinkage long sys_vfork(struct pt_regs *regs) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->sp, regs, 0, - NULL, NULL); -} - unsigned long get_wchan(struct task_struct *p) { unsigned long stack; diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index fb2159a5c81..3d9672e59c1 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -1383,7 +1383,7 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, #ifdef CONFIG_X86_32 # define IS_IA32 1 #elif defined CONFIG_IA32_EMULATION -# define IS_IA32 test_thread_flag(TIF_IA32) +# define IS_IA32 is_compat_task() #else # define IS_IA32 0 #endif diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 7cdcd16885e..d2cc6428c58 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -187,40 +187,35 @@ setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate, /* * Set up a signal frame. */ -#ifdef CONFIG_X86_32 -static const struct { - u16 poplmovl; - u32 val; - u16 int80; -} __attribute__((packed)) retcode = { - 0xb858, /* popl %eax; movl $..., %eax */ - __NR_sigreturn, - 0x80cd, /* int $0x80 */ -}; - -static const struct { - u8 movl; - u32 val; - u16 int80; - u8 pad; -} __attribute__((packed)) rt_retcode = { - 0xb8, /* movl $..., %eax */ - __NR_rt_sigreturn, - 0x80cd, /* int $0x80 */ - 0 -}; /* * Determine which stack to use.. */ +static unsigned long align_sigframe(unsigned long sp) +{ +#ifdef CONFIG_X86_32 + /* + * Align the stack pointer according to the i386 ABI, + * i.e. so that on function entry ((sp + 4) & 15) == 0. + */ + sp = ((sp + 4) & -16ul) - 4; +#else /* !CONFIG_X86_32 */ + sp = round_down(sp, 16) - 8; +#endif + return sp; +} + static inline void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, - void **fpstate) + void __user **fpstate) { - unsigned long sp; - /* Default to using normal stack */ - sp = regs->sp; + unsigned long sp = regs->sp; + +#ifdef CONFIG_X86_64 + /* redzone */ + sp -= 128; +#endif /* CONFIG_X86_64 */ /* * If we are on the alternate signal stack and would overflow it, don't. @@ -234,30 +229,52 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, if (sas_ss_flags(sp) == 0) sp = current->sas_ss_sp + current->sas_ss_size; } else { +#ifdef CONFIG_X86_32 /* This is the legacy signal stack switching. */ if ((regs->ss & 0xffff) != __USER_DS && !(ka->sa.sa_flags & SA_RESTORER) && ka->sa.sa_restorer) sp = (unsigned long) ka->sa.sa_restorer; +#endif /* CONFIG_X86_32 */ } if (used_math()) { - sp = sp - sig_xstate_size; - *fpstate = (struct _fpstate *) sp; + sp -= sig_xstate_size; +#ifdef CONFIG_X86_64 + sp = round_down(sp, 64); +#endif /* CONFIG_X86_64 */ + *fpstate = (void __user *)sp; + if (save_i387_xstate(*fpstate) < 0) return (void __user *)-1L; } - sp -= frame_size; - /* - * Align the stack pointer according to the i386 ABI, - * i.e. so that on function entry ((sp + 4) & 15) == 0. - */ - sp = ((sp + 4) & -16ul) - 4; - - return (void __user *) sp; + return (void __user *)align_sigframe(sp - frame_size); } +#ifdef CONFIG_X86_32 +static const struct { + u16 poplmovl; + u32 val; + u16 int80; +} __attribute__((packed)) retcode = { + 0xb858, /* popl %eax; movl $..., %eax */ + __NR_sigreturn, + 0x80cd, /* int $0x80 */ +}; + +static const struct { + u8 movl; + u32 val; + u16 int80; + u8 pad; +} __attribute__((packed)) rt_retcode = { + 0xb8, /* movl $..., %eax */ + __NR_rt_sigreturn, + 0x80cd, /* int $0x80 */ + 0 +}; + static int __setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *regs) @@ -388,24 +405,6 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, return 0; } #else /* !CONFIG_X86_32 */ -/* - * Determine which stack to use.. - */ -static void __user * -get_stack(struct k_sigaction *ka, unsigned long sp, unsigned long size) -{ - /* Default to using normal stack - redzone*/ - sp -= 128; - - /* This is the X/Open sanctioned signal stack switching. */ - if (ka->sa.sa_flags & SA_ONSTACK) { - if (sas_ss_flags(sp) == 0) - sp = current->sas_ss_sp + current->sas_ss_size; - } - - return (void __user *)round_down(sp - size, 64); -} - static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, struct pt_regs *regs) { @@ -414,15 +413,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, int err = 0; struct task_struct *me = current; - if (used_math()) { - fp = get_stack(ka, regs->sp, sig_xstate_size); - frame = (void __user *)round_down( - (unsigned long)fp - sizeof(struct rt_sigframe), 16) - 8; - - if (save_i387_xstate(fp) < 0) - return -EFAULT; - } else - frame = get_stack(ka, regs->sp, sizeof(struct rt_sigframe)) - 8; + frame = get_sigframe(ka, regs, sizeof(struct rt_sigframe), &fp); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) return -EFAULT; diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index c05430ac1b4..a1d288327ff 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -118,47 +118,6 @@ die_if_kernel(const char *str, struct pt_regs *regs, long err) if (!user_mode_vm(regs)) die(str, regs, err); } - -/* - * Perform the lazy TSS's I/O bitmap copy. If the TSS has an - * invalid offset set (the LAZY one) and the faulting thread has - * a valid I/O bitmap pointer, we copy the I/O bitmap in the TSS, - * we set the offset field correctly and return 1. - */ -static int lazy_iobitmap_copy(void) -{ - struct thread_struct *thread; - struct tss_struct *tss; - int cpu; - - cpu = get_cpu(); - tss = &per_cpu(init_tss, cpu); - thread = ¤t->thread; - - if (tss->x86_tss.io_bitmap_base == INVALID_IO_BITMAP_OFFSET_LAZY && - thread->io_bitmap_ptr) { - memcpy(tss->io_bitmap, thread->io_bitmap_ptr, - thread->io_bitmap_max); - /* - * If the previously set map was extending to higher ports - * than the current one, pad extra space with 0xff (no access). - */ - if (thread->io_bitmap_max < tss->io_bitmap_max) { - memset((char *) tss->io_bitmap + - thread->io_bitmap_max, 0xff, - tss->io_bitmap_max - thread->io_bitmap_max); - } - tss->io_bitmap_max = thread->io_bitmap_max; - tss->x86_tss.io_bitmap_base = IO_BITMAP_OFFSET; - tss->io_bitmap_owner = thread; - put_cpu(); - - return 1; - } - put_cpu(); - - return 0; -} #endif static void __kprobes @@ -309,11 +268,6 @@ do_general_protection(struct pt_regs *regs, long error_code) conditional_sti(regs); #ifdef CONFIG_X86_32 - if (lazy_iobitmap_copy()) { - /* restart the faulting instruction */ - return; - } - if (regs->flags & X86_VM_MASK) goto gp_in_vm86; #endif diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile index 2b938a38491..08537747cb5 100644 --- a/arch/x86/mm/Makefile +++ b/arch/x86/mm/Makefile @@ -1,4 +1,4 @@ -obj-y := init_$(BITS).o fault.o ioremap.o extable.o pageattr.o mmap.o \ +obj-y := init.o init_$(BITS).o fault.o ioremap.o extable.o pageattr.o mmap.o \ pat.o pgtable.o gup.o obj-$(CONFIG_SMP) += tlb.o diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c index bcc079c282d..00f127c80b0 100644 --- a/arch/x86/mm/highmem_32.c +++ b/arch/x86/mm/highmem_32.c @@ -1,5 +1,6 @@ #include <linux/highmem.h> #include <linux/module.h> +#include <linux/swap.h> /* for totalram_pages */ void *kmap(struct page *page) { @@ -156,3 +157,36 @@ EXPORT_SYMBOL(kmap); EXPORT_SYMBOL(kunmap); EXPORT_SYMBOL(kmap_atomic); EXPORT_SYMBOL(kunmap_atomic); + +#ifdef CONFIG_NUMA +void __init set_highmem_pages_init(void) +{ + struct zone *zone; + int nid; + + for_each_zone(zone) { + unsigned long zone_start_pfn, zone_end_pfn; + + if (!is_highmem(zone)) + continue; + + zone_start_pfn = zone->zone_start_pfn; + zone_end_pfn = zone_start_pfn + zone->spanned_pages; + + nid = zone_to_nid(zone); + printk(KERN_INFO "Initializing %s for node %d (%08lx:%08lx)\n", + zone->name, nid, zone_start_pfn, zone_end_pfn); + + add_highpages_with_active_regions(nid, zone_start_pfn, + zone_end_pfn); + } + totalram_pages += totalhigh_pages; +} +#else +void __init set_highmem_pages_init(void) +{ + add_highpages_with_active_regions(0, highstart_pfn, highend_pfn); + + totalram_pages += totalhigh_pages; +} +#endif /* CONFIG_NUMA */ diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c new file mode 100644 index 00000000000..ce6a722587d --- /dev/null +++ b/arch/x86/mm/init.c @@ -0,0 +1,49 @@ +#include <linux/swap.h> +#include <asm/cacheflush.h> +#include <asm/page.h> +#include <asm/sections.h> +#include <asm/system.h> + +void free_init_pages(char *what, unsigned long begin, unsigned long end) +{ + unsigned long addr = begin; + + if (addr >= end) + return; + + /* + * If debugging page accesses then do not free this memory but + * mark them not present - any buggy init-section access will + * create a kernel page fault: + */ +#ifdef CONFIG_DEBUG_PAGEALLOC + printk(KERN_INFO "debug: unmapping init memory %08lx..%08lx\n", + begin, PAGE_ALIGN(end)); + set_memory_np(begin, (end - begin) >> PAGE_SHIFT); +#else + /* + * We just marked the kernel text read only above, now that + * we are going to free part of that, we need to make that + * writeable first. + */ + set_memory_rw(begin, (end - begin) >> PAGE_SHIFT); + + printk(KERN_INFO "Freeing %s: %luk freed\n", what, (end - begin) >> 10); + + for (; addr < end; addr += PAGE_SIZE) { + ClearPageReserved(virt_to_page(addr)); + init_page_count(virt_to_page(addr)); + memset((void *)(addr & ~(PAGE_SIZE-1)), + POISON_FREE_INITMEM, PAGE_SIZE); + free_page(addr); + totalram_pages++; + } +#endif +} + +void free_initmem(void) +{ + free_init_pages("unused kernel memory", + (unsigned long)(&__init_begin), + (unsigned long)(&__init_end)); +} diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 06708ee94aa..0b087dcd2c1 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -50,8 +50,6 @@ #include <asm/setup.h> #include <asm/cacheflush.h> -unsigned int __VMALLOC_RESERVE = 128 << 20; - unsigned long max_low_pfn_mapped; unsigned long max_pfn_mapped; @@ -469,22 +467,10 @@ void __init add_highpages_with_active_regions(int nid, unsigned long start_pfn, work_with_active_regions(nid, add_highpages_work_fn, &data); } -#ifndef CONFIG_NUMA -static void __init set_highmem_pages_init(void) -{ - add_highpages_with_active_regions(0, highstart_pfn, highend_pfn); - - totalram_pages += totalhigh_pages; -} -#endif /* !CONFIG_NUMA */ - #else static inline void permanent_kmaps_init(pgd_t *pgd_base) { } -static inline void set_highmem_pages_init(void) -{ -} #endif /* CONFIG_HIGHMEM */ void __init native_pagetable_setup_start(pgd_t *base) @@ -847,10 +833,10 @@ static void __init find_early_table_space(unsigned long end, int use_pse) unsigned long puds, pmds, ptes, tables, start; puds = (end + PUD_SIZE - 1) >> PUD_SHIFT; - tables = PAGE_ALIGN(puds * sizeof(pud_t)); + tables = roundup(puds * sizeof(pud_t), PAGE_SIZE); pmds = (end + PMD_SIZE - 1) >> PMD_SHIFT; - tables += PAGE_ALIGN(pmds * sizeof(pmd_t)); + tables += roundup(pmds * sizeof(pmd_t), PAGE_SIZE); if (use_pse) { unsigned long extra; @@ -861,10 +847,10 @@ static void __init find_early_table_space(unsigned long end, int use_pse) } else ptes = (end + PAGE_SIZE - 1) >> PAGE_SHIFT; - tables += PAGE_ALIGN(ptes * sizeof(pte_t)); + tables += roundup(ptes * sizeof(pte_t), PAGE_SIZE); /* for fixmap */ - tables += PAGE_ALIGN(__end_of_fixed_addresses * sizeof(pte_t)); + tables += roundup(__end_of_fixed_addresses * sizeof(pte_t), PAGE_SIZE); /* * RED-PEN putting page tables only on node 0 could @@ -1214,45 +1200,6 @@ void mark_rodata_ro(void) } #endif -void free_init_pages(char *what, unsigned long begin, unsigned long end) -{ -#ifdef CONFIG_DEBUG_PAGEALLOC - /* - * If debugging page accesses then do not free this memory but - * mark them not present - any buggy init-section access will - * create a kernel page fault: - */ - printk(KERN_INFO "debug: unmapping init memory %08lx..%08lx\n", - begin, PAGE_ALIGN(end)); - set_memory_np(begin, (end - begin) >> PAGE_SHIFT); -#else - unsigned long addr; - - /* - * We just marked the kernel text read only above, now that - * we are going to free part of that, we need to make that - * writeable first. - */ - set_memory_rw(begin, (end - begin) >> PAGE_SHIFT); - - for (addr = begin; addr < end; addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE); - free_page(addr); - totalram_pages++; - } - printk(KERN_INFO "Freeing %s: %luk freed\n", what, (end - begin) >> 10); -#endif -} - -void free_initmem(void) -{ - free_init_pages("unused kernel memory", - (unsigned long)(&__init_begin), - (unsigned long)(&__init_end)); -} - #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index e6d36b49025..724e537432e 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -714,6 +714,8 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, pos = start_pfn << PAGE_SHIFT; end_pfn = ((pos + (PMD_SIZE - 1)) >> PMD_SHIFT) << (PMD_SHIFT - PAGE_SHIFT); + if (end_pfn > (end >> PAGE_SHIFT)) + end_pfn = end >> PAGE_SHIFT; if (start_pfn < end_pfn) { nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0); pos = end_pfn << PAGE_SHIFT; @@ -945,43 +947,6 @@ void __init mem_init(void) initsize >> 10); } -void free_init_pages(char *what, unsigned long begin, unsigned long end) -{ - unsigned long addr = begin; - - if (addr >= end) - return; - - /* - * If debugging page accesses then do not free this memory but - * mark them not present - any buggy init-section access will - * create a kernel page fault: - */ -#ifdef CONFIG_DEBUG_PAGEALLOC - printk(KERN_INFO "debug: unmapping init memory %08lx..%08lx\n", - begin, PAGE_ALIGN(end)); - set_memory_np(begin, (end - begin) >> PAGE_SHIFT); -#else - printk(KERN_INFO "Freeing %s: %luk freed\n", what, (end - begin) >> 10); - - for (; addr < end; addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - memset((void *)(addr & ~(PAGE_SIZE-1)), - POISON_FREE_INITMEM, PAGE_SIZE); - free_page(addr); - totalram_pages++; - } -#endif -} - -void free_initmem(void) -{ - free_init_pages("unused kernel memory", - (unsigned long)(&__init_begin), - (unsigned long)(&__init_end)); -} - #ifdef CONFIG_DEBUG_RODATA const int rodata_test_data = 0xC3; EXPORT_SYMBOL_GPL(rodata_test_data); diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c index d5e28424622..04102d42ff4 100644 --- a/arch/x86/mm/iomap_32.c +++ b/arch/x86/mm/iomap_32.c @@ -20,63 +20,16 @@ #include <asm/pat.h> #include <linux/module.h> -#ifdef CONFIG_X86_PAE -static int -is_io_mapping_possible(resource_size_t base, unsigned long size) -{ - return 1; -} -#else -static int -is_io_mapping_possible(resource_size_t base, unsigned long size) +int is_io_mapping_possible(resource_size_t base, unsigned long size) { +#ifndef CONFIG_X86_PAE /* There is no way to map greater than 1 << 32 address without PAE */ if (base + size > 0x100000000ULL) return 0; - - return 1; -} #endif - -int -reserve_io_memtype_wc(u64 base, unsigned long size, pgprot_t *prot) -{ - unsigned long ret_flag; - - if (!is_io_mapping_possible(base, size)) - goto out_err; - - if (!pat_enabled) { - *prot = pgprot_noncached(PAGE_KERNEL); - return 0; - } - - if (reserve_memtype(base, base + size, _PAGE_CACHE_WC, &ret_flag)) - goto out_err; - - if (ret_flag == _PAGE_CACHE_WB) - goto out_free; - - if (kernel_map_sync_memtype(base, size, ret_flag)) - goto out_free; - - *prot = __pgprot(__PAGE_KERNEL | ret_flag); - return 0; - -out_free: - free_memtype(base, base + size); -out_err: - return -EINVAL; -} -EXPORT_SYMBOL_GPL(reserve_io_memtype_wc); - -void -free_io_memtype(u64 base, unsigned long size) -{ - if (pat_enabled) - free_memtype(base, base + size); + return 1; } -EXPORT_SYMBOL_GPL(free_io_memtype); +EXPORT_SYMBOL_GPL(is_io_mapping_possible); /* Map 'pfn' using fixed map 'type' and protections 'prot' */ diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c index 3957cd6d645..451fe95a035 100644 --- a/arch/x86/mm/numa_32.c +++ b/arch/x86/mm/numa_32.c @@ -423,32 +423,6 @@ void __init initmem_init(unsigned long start_pfn, setup_bootmem_allocator(); } -void __init set_highmem_pages_init(void) -{ -#ifdef CONFIG_HIGHMEM - struct zone *zone; - int nid; - - for_each_zone(zone) { - unsigned long zone_start_pfn, zone_end_pfn; - - if (!is_highmem(zone)) - continue; - - zone_start_pfn = zone->zone_start_pfn; - zone_end_pfn = zone_start_pfn + zone->spanned_pages; - - nid = zone_to_nid(zone); - printk(KERN_INFO "Initializing %s for node %d (%08lx:%08lx)\n", - zone->name, nid, zone_start_pfn, zone_end_pfn); - - add_highpages_with_active_regions(nid, zone_start_pfn, - zone_end_pfn); - } - totalram_pages += totalhigh_pages; -#endif -} - #ifdef CONFIG_MEMORY_HOTPLUG static int paddr_to_nid(u64 addr) { diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index fdfedb65d45..2ed37158012 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -11,6 +11,7 @@ #include <linux/bootmem.h> #include <linux/debugfs.h> #include <linux/kernel.h> +#include <linux/module.h> #include <linux/gfp.h> #include <linux/mm.h> #include <linux/fs.h> @@ -889,6 +890,7 @@ pgprot_t pgprot_writecombine(pgprot_t prot) else return pgprot_noncached(prot); } +EXPORT_SYMBOL_GPL(pgprot_writecombine); #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_X86_PAT) diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 86f2ffc43c3..5b7c7c8464f 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -313,6 +313,24 @@ int ptep_clear_flush_young(struct vm_area_struct *vma, return young; } +/** + * reserve_top_address - reserves a hole in the top of kernel address space + * @reserve - size of hole to reserve + * + * Can be used to relocate the fixmap area and poke a hole in the top + * of kernel address space to make room for a hypervisor. + */ +void __init reserve_top_address(unsigned long reserve) +{ +#ifdef CONFIG_X86_32 + BUG_ON(fixmaps_set > 0); + printk(KERN_INFO "Reserving virtual address space above 0x%08x\n", + (int)-reserve); + __FIXADDR_TOP = -reserve - PAGE_SIZE; + __VMALLOC_RESERVE += reserve; +#endif +} + int fixmaps_set; void __native_set_fixmap(enum fixed_addresses idx, pte_t pte) diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c index 0951db9ee51..f2e477c91c1 100644 --- a/arch/x86/mm/pgtable_32.c +++ b/arch/x86/mm/pgtable_32.c @@ -20,6 +20,8 @@ #include <asm/tlb.h> #include <asm/tlbflush.h> +unsigned int __VMALLOC_RESERVE = 128 << 20; + /* * Associate a virtual page frame with a given physical page frame * and protection flags for that frame. @@ -97,22 +99,6 @@ void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags) unsigned long __FIXADDR_TOP = 0xfffff000; EXPORT_SYMBOL(__FIXADDR_TOP); -/** - * reserve_top_address - reserves a hole in the top of kernel address space - * @reserve - size of hole to reserve - * - * Can be used to relocate the fixmap area and poke a hole in the top - * of kernel address space to make room for a hypervisor. - */ -void __init reserve_top_address(unsigned long reserve) -{ - BUG_ON(fixmaps_set > 0); - printk(KERN_INFO "Reserving virtual address space above 0x%08x\n", - (int)-reserve); - __FIXADDR_TOP = -reserve - PAGE_SIZE; - __VMALLOC_RESERVE += reserve; -} - /* * vmalloc=size forces the vmalloc area to be exactly 'size' * bytes. This can be used to increase (or decrease) the diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c index e9f80c744cf..10131fbdaad 100644 --- a/arch/x86/oprofile/op_model_ppro.c +++ b/arch/x86/oprofile/op_model_ppro.c @@ -78,8 +78,18 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs) if (cpu_has_arch_perfmon) { union cpuid10_eax eax; eax.full = cpuid_eax(0xa); - if (counter_width < eax.split.bit_width) - counter_width = eax.split.bit_width; + + /* + * For Core2 (family 6, model 15), don't reset the + * counter width: + */ + if (!(eax.split.version_id == 0 && + current_cpu_data.x86 == 6 && + current_cpu_data.x86_model == 15)) { + + if (counter_width < eax.split.bit_width) + counter_width = eax.split.bit_width; + } } /* clear all counters */ |