diff options
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/appldata/appldata_base.c | 32 | ||||
-rw-r--r-- | arch/s390/appldata/appldata_mem.c | 2 | ||||
-rw-r--r-- | arch/s390/defconfig | 63 | ||||
-rw-r--r-- | arch/s390/include/asm/cputime.h | 4 | ||||
-rw-r--r-- | arch/s390/kernel/head.S | 3 | ||||
-rw-r--r-- | arch/s390/kernel/ipl.c | 1 | ||||
-rw-r--r-- | arch/s390/kernel/vmlinux.lds.S | 4 | ||||
-rw-r--r-- | arch/s390/kernel/vtime.c | 16 |
8 files changed, 92 insertions, 33 deletions
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index aeb3cff95f6..1dfc7100c7e 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -98,7 +98,7 @@ static DECLARE_WORK(appldata_work, appldata_work_fn); /* * Ops list */ -static DEFINE_SPINLOCK(appldata_ops_lock); +static DEFINE_MUTEX(appldata_ops_mutex); static LIST_HEAD(appldata_ops_list); @@ -129,14 +129,14 @@ static void appldata_work_fn(struct work_struct *work) i = 0; get_online_cpus(); - spin_lock(&appldata_ops_lock); + mutex_lock(&appldata_ops_mutex); list_for_each(lh, &appldata_ops_list) { ops = list_entry(lh, struct appldata_ops, list); if (ops->active == 1) { ops->callback(ops->data); } } - spin_unlock(&appldata_ops_lock); + mutex_unlock(&appldata_ops_mutex); put_online_cpus(); } @@ -338,7 +338,7 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp, struct list_head *lh; found = 0; - spin_lock(&appldata_ops_lock); + mutex_lock(&appldata_ops_mutex); list_for_each(lh, &appldata_ops_list) { tmp_ops = list_entry(lh, struct appldata_ops, list); if (&tmp_ops->ctl_table[2] == ctl) { @@ -346,15 +346,15 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp, } } if (!found) { - spin_unlock(&appldata_ops_lock); + mutex_unlock(&appldata_ops_mutex); return -ENODEV; } ops = ctl->data; if (!try_module_get(ops->owner)) { // protect this function - spin_unlock(&appldata_ops_lock); + mutex_unlock(&appldata_ops_mutex); return -ENODEV; } - spin_unlock(&appldata_ops_lock); + mutex_unlock(&appldata_ops_mutex); if (!*lenp || *ppos) { *lenp = 0; @@ -378,11 +378,11 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp, return -EFAULT; } - spin_lock(&appldata_ops_lock); + mutex_lock(&appldata_ops_mutex); if ((buf[0] == '1') && (ops->active == 0)) { // protect work queue callback if (!try_module_get(ops->owner)) { - spin_unlock(&appldata_ops_lock); + mutex_unlock(&appldata_ops_mutex); module_put(ops->owner); return -ENODEV; } @@ -407,7 +407,7 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp, "failed with rc=%d\n", ops->name, rc); module_put(ops->owner); } - spin_unlock(&appldata_ops_lock); + mutex_unlock(&appldata_ops_mutex); out: *lenp = len; *ppos += len; @@ -433,9 +433,9 @@ int appldata_register_ops(struct appldata_ops *ops) if (!ops->ctl_table) return -ENOMEM; - spin_lock(&appldata_ops_lock); + mutex_lock(&appldata_ops_mutex); list_add(&ops->list, &appldata_ops_list); - spin_unlock(&appldata_ops_lock); + mutex_unlock(&appldata_ops_mutex); ops->ctl_table[0].procname = appldata_proc_name; ops->ctl_table[0].maxlen = 0; @@ -452,9 +452,9 @@ int appldata_register_ops(struct appldata_ops *ops) goto out; return 0; out: - spin_lock(&appldata_ops_lock); + mutex_lock(&appldata_ops_mutex); list_del(&ops->list); - spin_unlock(&appldata_ops_lock); + mutex_unlock(&appldata_ops_mutex); kfree(ops->ctl_table); return -ENOMEM; } @@ -466,9 +466,9 @@ out: */ void appldata_unregister_ops(struct appldata_ops *ops) { - spin_lock(&appldata_ops_lock); + mutex_lock(&appldata_ops_mutex); list_del(&ops->list); - spin_unlock(&appldata_ops_lock); + mutex_unlock(&appldata_ops_mutex); unregister_sysctl_table(ops->sysctl_header); kfree(ops->ctl_table); } diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c index 3ed56b7d1b2..4188cbe63a5 100644 --- a/arch/s390/appldata/appldata_mem.c +++ b/arch/s390/appldata/appldata_mem.c @@ -78,7 +78,7 @@ static void appldata_get_mem_data(void *data) { /* * don't put large structures on the stack, we are - * serialized through the appldata_ops_lock and can use static + * serialized through the appldata_ops_mutex and can use static */ static struct sysinfo val; unsigned long ev[NR_VM_EVENT_ITEMS]; diff --git a/arch/s390/defconfig b/arch/s390/defconfig index 31e809c7779..d401d56c255 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.29-rc4 -# Wed Feb 11 10:07:16 2009 +# Linux kernel version: 2.6.30-rc3 +# Thu Apr 23 09:29:52 2009 # CONFIG_SCHED_MC=y CONFIG_MMU=y @@ -22,6 +22,7 @@ CONFIG_NO_DMA=y CONFIG_GENERIC_LOCKBREAK=y CONFIG_PGSTE=y CONFIG_VIRT_CPU_ACCOUNTING=y +CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y CONFIG_S390=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -37,6 +38,7 @@ CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y +CONFIG_POSIX_MQUEUE_SYSCTL=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set CONFIG_AUDIT=y @@ -77,21 +79,24 @@ CONFIG_IPC_NS=y # CONFIG_NET_NS is not set CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" +CONFIG_RD_GZIP=y +CONFIG_RD_BZIP2=y +CONFIG_RD_LZMA=y # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y +CONFIG_ANON_INODES=y # CONFIG_EMBEDDED is not set CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +# CONFIG_STRIP_ASM_SYMS is not set CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y -# CONFIG_COMPAT_BRK is not set CONFIG_BASE_FULL=y CONFIG_FUTEX=y -CONFIG_ANON_INODES=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_TIMERFD=y @@ -99,10 +104,12 @@ CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y CONFIG_VM_EVENT_COUNTERS=y +# CONFIG_COMPAT_BRK is not set CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set # CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set CONFIG_HAVE_OPROFILE=y CONFIG_KPROBES=y CONFIG_HAVE_SYSCALL_WRAPPERS=y @@ -111,6 +118,8 @@ CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_USE_GENERIC_SMP_HELPERS=y +CONFIG_HAVE_DEFAULT_NO_SPIN_MUTEXES=y +# CONFIG_SLOW_WORK is not set # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y @@ -124,7 +133,6 @@ CONFIG_MODVERSIONS=y CONFIG_INIT_ALL_POSSIBLE=y CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y -# CONFIG_BLK_DEV_IO_TRACE is not set CONFIG_BLK_DEV_BSG=y # CONFIG_BLK_DEV_INTEGRITY is not set CONFIG_BLOCK_COMPAT=y @@ -211,11 +219,12 @@ CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y CONFIG_VIRT_TO_BUS=y CONFIG_UNEVICTABLE_LRU=y +CONFIG_HAVE_MLOCK=y +CONFIG_HAVE_MLOCKED_PAGE_BIT=y # # I/O subsystem configuration # -CONFIG_MACHCHK_WARNING=y CONFIG_QDIO=y CONFIG_CHSC_SCH=m @@ -247,12 +256,12 @@ CONFIG_S390_HYPFS_FS=y CONFIG_KEXEC=y # CONFIG_ZFCPDUMP is not set CONFIG_S390_GUEST=y +CONFIG_SECCOMP=y CONFIG_NET=y # # Networking options # -CONFIG_COMPAT_NET_DEV_OPS=y CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -374,6 +383,7 @@ CONFIG_SCTP_HMAC_MD5=y # CONFIG_LAPB is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set +# CONFIG_PHONET is not set CONFIG_NET_SCHED=y # @@ -438,7 +448,6 @@ CONFIG_CAN_BCM=m CONFIG_CAN_VCAN=m # CONFIG_CAN_DEBUG_DEVICES is not set # CONFIG_AF_RXRPC is not set -# CONFIG_PHONET is not set # CONFIG_WIMAX is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set @@ -537,6 +546,7 @@ CONFIG_SCSI_FC_ATTRS=y CONFIG_SCSI_LOWLEVEL=y # CONFIG_ISCSI_TCP is not set # CONFIG_LIBFC is not set +# CONFIG_LIBFCOE is not set # CONFIG_SCSI_DEBUG is not set CONFIG_ZFCP=y CONFIG_SCSI_DH=m @@ -544,6 +554,10 @@ CONFIG_SCSI_DH_RDAC=m CONFIG_SCSI_DH_HP_SW=m CONFIG_SCSI_DH_EMC=m CONFIG_SCSI_DH_ALUA=m +CONFIG_SCSI_OSD_INITIATOR=m +CONFIG_SCSI_OSD_ULD=m +CONFIG_SCSI_OSD_DPRINT_SENSE=1 +# CONFIG_SCSI_OSD_DEBUG is not set CONFIG_MD=y CONFIG_BLK_DEV_MD=y CONFIG_MD_AUTODETECT=y @@ -564,6 +578,7 @@ CONFIG_DM_MULTIPATH=m # CONFIG_DM_DELAY is not set # CONFIG_DM_UEVENT is not set CONFIG_NETDEVICES=y +CONFIG_COMPAT_NET_DEV_OPS=y # CONFIG_IFB is not set CONFIG_DUMMY=m CONFIG_BONDING=m @@ -667,6 +682,7 @@ CONFIG_S390_VMUR=m # CONFIG_MEMSTICK is not set # CONFIG_NEW_LEDS is not set CONFIG_ACCESSIBILITY=y +# CONFIG_AUXDISPLAY is not set # CONFIG_STAGING is not set # @@ -676,6 +692,7 @@ CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XATTR is not set # CONFIG_EXT2_FS_XIP is not set CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set # CONFIG_EXT3_FS_SECURITY is not set @@ -701,6 +718,11 @@ CONFIG_INOTIFY_USER=y CONFIG_GENERIC_ACL=y # +# Caches +# +# CONFIG_FSCACHE is not set + +# # CD-ROM/DVD Filesystems # # CONFIG_ISO9660_FS is not set @@ -744,6 +766,8 @@ CONFIG_MISC_FILESYSTEMS=y # CONFIG_ROMFS_FS is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set +# CONFIG_EXOFS_FS is not set +# CONFIG_NILFS2_FS is not set CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y @@ -758,7 +782,6 @@ CONFIG_LOCKD_V4=y CONFIG_EXPORTFS=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y -# CONFIG_SUNRPC_REGISTER_V4 is not set # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set @@ -806,6 +829,7 @@ CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y +# CONFIG_DETECT_HUNG_TASK is not set # CONFIG_SCHED_DEBUG is not set # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set @@ -830,7 +854,6 @@ CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_DEBUG_LIST is not set # CONFIG_DEBUG_SG is not set # CONFIG_DEBUG_NOTIFIERS is not set -# CONFIG_FRAME_POINTER is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set # CONFIG_KPROBES_SANITY_TEST is not set @@ -840,7 +863,9 @@ CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y +# CONFIG_DEBUG_PAGEALLOC is not set CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_TRACING_SUPPORT=y # # Tracers @@ -850,14 +875,17 @@ CONFIG_HAVE_FUNCTION_TRACER=y # CONFIG_PREEMPT_TRACER is not set # CONFIG_SCHED_TRACER is not set # CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_EVENT_TRACER is not set # CONFIG_BOOT_TRACER is not set # CONFIG_TRACE_BRANCH_PROFILING is not set # CONFIG_STACK_TRACER is not set -# CONFIG_DYNAMIC_PRINTK_DEBUG is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_DYNAMIC_DEBUG is not set CONFIG_SAMPLES=y # CONFIG_SAMPLE_KOBJECT is not set # CONFIG_SAMPLE_KPROBES is not set -# CONFIG_DEBUG_PAGEALLOC is not set # # Security options @@ -882,10 +910,12 @@ CONFIG_CRYPTO_HASH=m CONFIG_CRYPTO_HASH2=y CONFIG_CRYPTO_RNG=m CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_PCOMP=y CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER2=y CONFIG_CRYPTO_GF128MUL=m # CONFIG_CRYPTO_NULL is not set +CONFIG_CRYPTO_WORKQUEUE=y # CONFIG_CRYPTO_CRYPTD is not set CONFIG_CRYPTO_AUTHENC=m # CONFIG_CRYPTO_TEST is not set @@ -954,6 +984,7 @@ CONFIG_CRYPTO_SEED=m # Compression # # CONFIG_CRYPTO_DEFLATE is not set +CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m # @@ -969,6 +1000,7 @@ CONFIG_CRYPTO_SHA512_S390=m # CONFIG_CRYPTO_DES_S390 is not set # CONFIG_CRYPTO_AES_S390 is not set CONFIG_S390_PRNG=m +# CONFIG_BINARY_PRINTF is not set # # Library routines @@ -982,9 +1014,14 @@ CONFIG_CRC_T10DIF=y CONFIG_CRC32=m CONFIG_CRC7=m CONFIG_LIBCRC32C=m +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=m CONFIG_LZO_COMPRESS=m CONFIG_LZO_DECOMPRESS=m -CONFIG_PLIST=y +CONFIG_DECOMPRESS_GZIP=y +CONFIG_DECOMPRESS_BZIP2=y +CONFIG_DECOMPRESS_LZMA=y +CONFIG_NLATTR=y CONFIG_HAVE_KVM=y CONFIG_VIRTUALIZATION=y CONFIG_KVM=m diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index 95b0f7db3c6..941384fbd39 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -174,4 +174,8 @@ cputime64_to_clock_t(cputime64_t cputime) return __div(cputime, 4096000000ULL / USER_HZ); } +cputime64_t s390_get_idle_time(int cpu); + +#define arch_idle_time(cpu) s390_get_idle_time(cpu) + #endif /* _S390_CPUTIME_H */ diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index bba14494ee0..22596d70fc2 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -23,6 +23,7 @@ * */ +#include <linux/init.h> #include <asm/setup.h> #include <asm/lowcore.h> #include <asm/asm-offsets.h> @@ -35,7 +36,7 @@ #define ARCH_OFFSET 0 #endif -.section ".text.head","ax" +__HEAD #ifndef CONFIG_IPL .org 0 .long 0x00080000,0x80000000+startup # Just a restart PSW diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 6f3711a0eaa..b8bf4b14006 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -23,6 +23,7 @@ #include <asm/ebcdic.h> #include <asm/reset.h> #include <asm/sclp.h> +#include <asm/sigp.h> #include <asm/checksum.h> #define IPL_PARM_BLOCK_VERSION 0 diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 7a2063eb88f..89399b8756c 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -29,8 +29,8 @@ SECTIONS . = 0x00000000; .text : { _text = .; /* Text and read-only data */ - *(.text.head) - TEXT_TEXT + HEAD_TEXT + TEXT_TEXT SCHED_TEXT LOCK_TEXT KPROBES_TEXT diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 38ea92ff04f..c87f59bd824 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -240,6 +240,22 @@ void vtime_stop_cpu(void) } } +cputime64_t s390_get_idle_time(int cpu) +{ + struct s390_idle_data *idle; + unsigned long long now, idle_time, idle_enter; + + idle = &per_cpu(s390_idle, cpu); + spin_lock(&idle->lock); + now = get_clock(); + idle_time = 0; + idle_enter = idle->idle_enter; + if (idle_enter != 0ULL && idle_enter < now) + idle_time = now - idle_enter; + spin_unlock(&idle->lock); + return idle_time; +} + /* * Sorted add to a list. List is linear searched until first bigger * element is found. |