diff options
33 files changed, 318 insertions, 197 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 84a018ee455..50fb3ae5f31 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2261,6 +2261,17 @@ T: git kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6.git T: cvs cvs.parisc-linux.org:/var/cvs/linux-2.6 S: Maintained +PC87360 HARDWARE MONITORING DRIVER +P: Jim Cromie +M: jim.cromie@gmail.com +L: lm-sensors@lm-sensors.org +S: Maintained + +PC8736x GPIO DRIVER +P: Jim Cromie +M: jim.cromie@gmail.com +S: Maintained + PCI ERROR RECOVERY P: Linas Vepstas M: linas@austin.ibm.com @@ -2592,10 +2603,19 @@ L: lksctp-developers@lists.sourceforge.net S: Supported SCx200 CPU SUPPORT -P: Christer Weinigel -M: christer@weinigel.se -W: http://www.weinigel.se -S: Supported +P: Jim Cromie +M: jim.cromie@gmail.com +S: Odd Fixes + +SCx200 GPIO DRIVER +P: Jim Cromie +M: jim.cromie@gmail.com +S: Maintained + +SCx200 HRT CLOCKSOURCE DRIVER +P: Jim Cromie +M: jim.cromie@gmail.com +S: Maintained SECURITY CONTACT P: Security Officers diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index 7d500da0e63..2fd4b7d927c 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -1197,7 +1197,7 @@ inline void smp_local_timer_interrupt(void) { profile_tick(CPU_PROFILING); #ifdef CONFIG_SMP - update_process_times(user_mode_vm(irq_regs)); + update_process_times(user_mode_vm(get_irq_regs())); #endif /* diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c index fc449f8b204..9d4e4b5b6bd 100644 --- a/arch/m68k/kernel/dma.c +++ b/arch/m68k/kernel/dma.c @@ -15,7 +15,7 @@ #include <asm/scatterlist.h> void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *handle, int flag) + dma_addr_t *handle, gfp_t flag) { struct page *page, **map; pgprot_t pgprot; @@ -51,7 +51,7 @@ void *dma_alloc_coherent(struct device *dev, size_t size, pgprot_val(pgprot) |= _PAGE_GLOBAL040 | _PAGE_NOCACHE_S; else pgprot_val(pgprot) |= _PAGE_NOCACHE030; - addr = vmap(map, size, flag, pgprot); + addr = vmap(map, size, VM_MAP, pgprot); kfree(map); return addr; diff --git a/arch/m68k/kernel/m68k_ksyms.c b/arch/m68k/kernel/m68k_ksyms.c index aff26a52167..f9636e84e6a 100644 --- a/arch/m68k/kernel/m68k_ksyms.c +++ b/arch/m68k/kernel/m68k_ksyms.c @@ -1,7 +1,6 @@ #include <linux/module.h> #include <linux/linkage.h> #include <linux/sched.h> -#include <linux/string.h> #include <linux/mm.h> #include <linux/user.h> #include <linux/elfcore.h> @@ -53,9 +52,6 @@ EXPORT_SYMBOL(mach_beep); #endif EXPORT_SYMBOL(dump_fpu); EXPORT_SYMBOL(dump_thread); -EXPORT_SYMBOL(strnlen); -EXPORT_SYMBOL(strrchr); -EXPORT_SYMBOL(strstr); EXPORT_SYMBOL(kernel_thread); #ifdef CONFIG_VME EXPORT_SYMBOL(vme_brdtype); diff --git a/arch/m68k/lib/string.c b/arch/m68k/lib/string.c index b92b89e1ea0..891e1347bc4 100644 --- a/arch/m68k/lib/string.c +++ b/arch/m68k/lib/string.c @@ -1,6 +1,19 @@ +/* + * 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. + */ + +#define __IN_STRING_C -#include <linux/types.h> #include <linux/module.h> +#include <linux/string.h> + +char *strcpy(char *dest, const char *src) +{ + return __kernel_strcpy(dest, src); +} +EXPORT_SYMBOL(strcpy); void *memset(void *s, int c, size_t count) { diff --git a/arch/m68k/lib/uaccess.c b/arch/m68k/lib/uaccess.c index 1bc188c0d98..865f9fb9e68 100644 --- a/arch/m68k/lib/uaccess.c +++ b/arch/m68k/lib/uaccess.c @@ -84,7 +84,7 @@ unsigned long __generic_copy_to_user(void __user *to, const void *from, " .even\n" "20: lsl.l #2,%0\n" "50: add.l %5,%0\n" - " jra 7b\n" + " jra 8b\n" " .previous\n" "\n" " .section __ex_table,\"a\"\n" diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index eee97bb81ba..7c41dabe7a2 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c @@ -356,7 +356,7 @@ void forward_interrupts(int pid) unsigned int do_IRQ(int irq, union uml_pt_regs *regs) { irq_enter(); - __do_IRQ(irq, (struct pt_regs *)regs); + __do_IRQ(irq); irq_exit(); return 1; } diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c index 66f6064f464..09c9e7936b0 100644 --- a/drivers/ide/mips/swarm.c +++ b/drivers/ide/mips/swarm.c @@ -4,6 +4,7 @@ * Author: Manish Lachwani, mlachwani@mvista.com * Copyright (C) 2004 MIPS Technologies, Inc. All rights reserved. * Author: Maciej W. Rozycki <macro@mips.com> + * Copyright (c) 2006 Maciej W. Rozycki * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -127,6 +128,7 @@ static int __devinit swarm_ide_probe(struct device *dev) memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports)); hwif->irq = hwif->hw.irq; + probe_hwif_init(hwif); dev_set_drvdata(dev, hwif); return 0; diff --git a/drivers/md/md.c b/drivers/md/md.c index cb8281605be..57fa64f93e5 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3849,6 +3849,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev) } clear_bit(In_sync, &rdev->flags); rdev->desc_nr = -1; + rdev->saved_raid_disk = -1; err = bind_rdev_to_array(rdev, mddev); if (err) goto abort_export; diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c index c1293f1bda8..f9027c8db79 100644 --- a/drivers/mmc/mmc_block.c +++ b/drivers/mmc/mmc_block.c @@ -28,6 +28,7 @@ #include <linux/kdev_t.h> #include <linux/blkdev.h> #include <linux/mutex.h> +#include <linux/scatterlist.h> #include <linux/mmc/card.h> #include <linux/mmc/host.h> @@ -154,6 +155,71 @@ static int mmc_blk_prep_rq(struct mmc_queue *mq, struct request *req) return stat; } +static u32 mmc_sd_num_wr_blocks(struct mmc_card *card) +{ + int err; + u32 blocks; + + struct mmc_request mrq; + struct mmc_command cmd; + struct mmc_data data; + unsigned int timeout_us; + + struct scatterlist sg; + + memset(&cmd, 0, sizeof(struct mmc_command)); + + cmd.opcode = MMC_APP_CMD; + cmd.arg = card->rca << 16; + cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; + + err = mmc_wait_for_cmd(card->host, &cmd, 0); + if ((err != MMC_ERR_NONE) || !(cmd.resp[0] & R1_APP_CMD)) + return (u32)-1; + + memset(&cmd, 0, sizeof(struct mmc_command)); + + cmd.opcode = SD_APP_SEND_NUM_WR_BLKS; + cmd.arg = 0; + cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC; + + memset(&data, 0, sizeof(struct mmc_data)); + + data.timeout_ns = card->csd.tacc_ns * 100; + data.timeout_clks = card->csd.tacc_clks * 100; + + timeout_us = data.timeout_ns / 1000; + timeout_us += data.timeout_clks * 1000 / + (card->host->ios.clock / 1000); + + if (timeout_us > 100000) { + data.timeout_ns = 100000000; + data.timeout_clks = 0; + } + + data.blksz = 4; + data.blocks = 1; + data.flags = MMC_DATA_READ; + data.sg = &sg; + data.sg_len = 1; + + memset(&mrq, 0, sizeof(struct mmc_request)); + + mrq.cmd = &cmd; + mrq.data = &data; + + sg_init_one(&sg, &blocks, 4); + + mmc_wait_for_req(card->host, &mrq); + + if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) + return (u32)-1; + + blocks = ntohl(blocks); + + return blocks; +} + static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) { struct mmc_blk_data *md = mq->data; @@ -184,10 +250,13 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) /* * If the host doesn't support multiple block writes, force - * block writes to single block. + * block writes to single block. SD cards are excepted from + * this rule as they support querying the number of + * successfully written sectors. */ if (rq_data_dir(req) != READ && - !(card->host->caps & MMC_CAP_MULTIWRITE)) + !(card->host->caps & MMC_CAP_MULTIWRITE) && + !mmc_card_sd(card)) brq.data.blocks = 1; if (brq.data.blocks > 1) { @@ -276,24 +345,41 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) return 1; cmd_err: - mmc_card_release_host(card); - ret = 1; - /* - * For writes and where the host claims to support proper - * error reporting, we first ok the successful blocks. + /* + * If this is an SD card and we're writing, we can first + * mark the known good sectors as ok. + * + * If the card is not SD, we can still ok written sectors + * if the controller can do proper error reporting. * * For reads we just fail the entire chunk as that should * be safe in all cases. */ - if (rq_data_dir(req) != READ && - (card->host->caps & MMC_CAP_MULTIWRITE)) { + if (rq_data_dir(req) != READ && mmc_card_sd(card)) { + u32 blocks; + unsigned int bytes; + + blocks = mmc_sd_num_wr_blocks(card); + if (blocks != (u32)-1) { + if (card->csd.write_partial) + bytes = blocks << md->block_bits; + else + bytes = blocks << 9; + spin_lock_irq(&md->lock); + ret = end_that_request_chunk(req, 1, bytes); + spin_unlock_irq(&md->lock); + } + } else if (rq_data_dir(req) != READ && + (card->host->caps & MMC_CAP_MULTIWRITE)) { spin_lock_irq(&md->lock); ret = end_that_request_chunk(req, 1, brq.data.bytes_xfered); spin_unlock_irq(&md->lock); } + mmc_card_release_host(card); + spin_lock_irq(&md->lock); while (ret) { ret = end_that_request_chunk(req, 0, diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index e08d1a2664e..fe1fe2f97cb 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -925,7 +925,7 @@ rescan_all: /* only take off EDs that the HC isn't using, accounting for * frame counter wraps and EDs with partially retired TDs */ - if (likely (get_irq_regs() && HC_IS_RUNNING(ohci_to_hcd(ohci)->state))) { + if (likely (HC_IS_RUNNING(ohci_to_hcd(ohci)->state))) { if (tick_before (tick, ed->tick)) { skip_ed: last = &ed->ed_next; diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 6fa6340a5fb..013b38996e6 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -217,7 +217,7 @@ int nfsd_create_serv(void) atomic_set(&nfsd_busy, 0); nfsd_serv = svc_create_pooled(&nfsd_program, - NFSD_BUFSIZE - NFSSVC_MAXBLKSIZE + nfsd_max_blksize, + nfsd_max_blksize, nfsd_last_thread, nfsd, SIG_NOCLEAN, THIS_MODULE); if (nfsd_serv == NULL) diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index a5250895155..1d9573cf4a0 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -41,14 +41,14 @@ #endif #endif -#define WARN_ON_ONCE(condition) ({ \ - static int __warn_once = 1; \ - typeof(condition) __ret_warn_once = (condition);\ - \ - if (likely(__warn_once)) \ - if (WARN_ON(__ret_warn_once)) \ - __warn_once = 0; \ - unlikely(__ret_warn_once); \ +#define WARN_ON_ONCE(condition) ({ \ + static int __warned; \ + typeof(condition) __ret_warn_once = (condition); \ + \ + if (unlikely(__ret_warn_once)) \ + if (WARN_ON(!__warned)) \ + __warned = 1; \ + unlikely(__ret_warn_once); \ }) #ifdef CONFIG_SMP diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index 6d45ee5472a..19637626224 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -15,7 +15,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; /* var is in discarded region: offset to particular copy we want */ #define per_cpu(var, cpu) (*({ \ - extern int simple_indentifier_##var(void); \ + extern int simple_identifier_##var(void); \ RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]); })) #define __get_cpu_var(var) per_cpu(var, smp_processor_id()) #define __raw_get_cpu_var(var) per_cpu(var, raw_smp_processor_id()) diff --git a/include/asm-m68k/dma-mapping.h b/include/asm-m68k/dma-mapping.h index cebbb03370e..c1299c3beb5 100644 --- a/include/asm-m68k/dma-mapping.h +++ b/include/asm-m68k/dma-mapping.h @@ -26,7 +26,7 @@ static inline int dma_is_consistent(dma_addr_t dma_addr) } extern void *dma_alloc_coherent(struct device *, size_t, - dma_addr_t *, int); + dma_addr_t *, gfp_t); extern void dma_free_coherent(struct device *, size_t, void *, dma_addr_t); diff --git a/include/asm-m68k/string.h b/include/asm-m68k/string.h index 6c59215b285..2eb7df1e0f5 100644 --- a/include/asm-m68k/string.h +++ b/include/asm-m68k/string.h @@ -1,138 +1,114 @@ #ifndef _M68K_STRING_H_ #define _M68K_STRING_H_ -#include <asm/setup.h> -#include <asm/page.h> +#include <linux/types.h> +#include <linux/compiler.h> -#define __HAVE_ARCH_STRCPY -static inline char * strcpy(char * dest,const char *src) +static inline size_t __kernel_strlen(const char *s) { - char *xdest = dest; - - __asm__ __volatile__ - ("1:\tmoveb %1@+,%0@+\n\t" - "jne 1b" - : "=a" (dest), "=a" (src) - : "0" (dest), "1" (src) : "memory"); - return xdest; -} + const char *sc; -#define __HAVE_ARCH_STRNCPY -static inline char * strncpy(char *dest, const char *src, size_t n) -{ - char *xdest = dest; - - if (n == 0) - return xdest; - - __asm__ __volatile__ - ("1:\tmoveb %1@+,%0@+\n\t" - "jeq 2f\n\t" - "subql #1,%2\n\t" - "jne 1b\n\t" - "2:" - : "=a" (dest), "=a" (src), "=d" (n) - : "0" (dest), "1" (src), "2" (n) - : "memory"); - return xdest; + for (sc = s; *sc++; ) + ; + return sc - s - 1; } -#define __HAVE_ARCH_STRCAT -static inline char * strcat(char * dest, const char * src) +static inline char *__kernel_strcpy(char *dest, const char *src) { - char *tmp = dest; - - while (*dest) - dest++; - while ((*dest++ = *src++)) - ; - - return tmp; + char *xdest = dest; + + asm volatile ("\n" + "1: move.b (%1)+,(%0)+\n" + " jne 1b" + : "+a" (dest), "+a" (src) + : : "memory"); + return xdest; } -#define __HAVE_ARCH_STRNCAT -static inline char * strncat(char *dest, const char *src, size_t count) -{ - char *tmp = dest; - - if (count) { - while (*dest) - dest++; - while ((*dest++ = *src++)) { - if (--count == 0) { - *dest++='\0'; - break; - } - } - } +#ifndef __IN_STRING_C - return tmp; -} +#define __HAVE_ARCH_STRLEN +#define strlen(s) (__builtin_constant_p(s) ? \ + __builtin_strlen(s) : \ + __kernel_strlen(s)) -#define __HAVE_ARCH_STRCHR -static inline char * strchr(const char * s, int c) +#define __HAVE_ARCH_STRNLEN +static inline size_t strnlen(const char *s, size_t count) { - const char ch = c; - - for(; *s != ch; ++s) - if (*s == '\0') - return( NULL ); - return( (char *) s); + const char *sc = s; + + asm volatile ("\n" + "1: subq.l #1,%1\n" + " jcs 2f\n" + " tst.b (%0)+\n" + " jne 1b\n" + " subq.l #1,%0\n" + "2:" + : "+a" (sc), "+d" (count)); + return sc - s; } -/* strstr !! */ +#define __HAVE_ARCH_STRCPY +#if __GNUC__ >= 4 +#define strcpy(d, s) (__builtin_constant_p(s) && \ + __builtin_strlen(s) <= 32 ? \ + __builtin_strcpy(d, s) : \ + __kernel_strcpy(d, s)) +#else +#define strcpy(d, s) __kernel_strcpy(d, s) +#endif -#define __HAVE_ARCH_STRLEN -static inline size_t strlen(const char * s) +#define __HAVE_ARCH_STRNCPY +static inline char *strncpy(char *dest, const char *src, size_t n) { - const char *sc; - for (sc = s; *sc != '\0'; ++sc) ; - return(sc - s); + char *xdest = dest; + + asm volatile ("\n" + " jra 2f\n" + "1: move.b (%1),(%0)+\n" + " jeq 2f\n" + " addq.l #1,%1\n" + "2: subq.l #1,%2\n" + " jcc 1b\n" + : "+a" (dest), "+a" (src), "+d" (n) + : : "memory"); + return xdest; } -/* strnlen !! */ +#define __HAVE_ARCH_STRCAT +#define strcat(d, s) ({ \ + char *__d = (d); \ + strcpy(__d + strlen(__d), (s)); \ +}) -#define __HAVE_ARCH_STRCMP -static inline int strcmp(const char * cs,const char * ct) +#define __HAVE_ARCH_STRCHR +static inline char *strchr(const char *s, int c) { - char __res; - - __asm__ - ("1:\tmoveb %0@+,%2\n\t" /* get *cs */ - "cmpb %1@+,%2\n\t" /* compare a byte */ - "jne 2f\n\t" /* not equal, break out */ - "tstb %2\n\t" /* at end of cs? */ - "jne 1b\n\t" /* no, keep going */ - "jra 3f\n\t" /* strings are equal */ - "2:\tsubb %1@-,%2\n\t" /* *cs - *ct */ - "3:" - : "=a" (cs), "=a" (ct), "=d" (__res) - : "0" (cs), "1" (ct)); - return __res; + char sc, ch = c; + + for (; (sc = *s++) != ch; ) { + if (!sc) + return NULL; + } + return (char *)s - 1; } -#define __HAVE_ARCH_STRNCMP -static inline int strncmp(const char * cs,const char * ct,size_t count) +#define __HAVE_ARCH_STRCMP +static inline int strcmp(const char *cs, const char *ct) { - char __res; - - if (!count) - return 0; - __asm__ - ("1:\tmovb %0@+,%3\n\t" /* get *cs */ - "cmpb %1@+,%3\n\t" /* compare a byte */ - "jne 3f\n\t" /* not equal, break out */ - "tstb %3\n\t" /* at end of cs? */ - "jeq 4f\n\t" /* yes, all done */ - "subql #1,%2\n\t" /* no, adjust count */ - "jne 1b\n\t" /* more to do, keep going */ - "2:\tmoveq #0,%3\n\t" /* strings are equal */ - "jra 4f\n\t" - "3:\tsubb %1@-,%3\n\t" /* *cs - *ct */ - "4:" - : "=a" (cs), "=a" (ct), "=d" (count), "=d" (__res) - : "0" (cs), "1" (ct), "2" (count)); - return __res; + char res; + + asm ("\n" + "1: move.b (%0)+,%2\n" /* get *cs */ + " cmp.b (%1)+,%2\n" /* compare a byte */ + " jne 2f\n" /* not equal, break out */ + " tst.b %2\n" /* at end of cs? */ + " jne 1b\n" /* no, keep going */ + " jra 3f\n" /* strings are equal */ + "2: sub.b -(%1),%2\n" /* *cs - *ct */ + "3:" + : "+a" (cs), "+a" (ct), "=d" (res)); + return res; } #define __HAVE_ARCH_MEMSET @@ -150,4 +126,6 @@ extern void *memmove(void *, const void *, __kernel_size_t); extern int memcmp(const void *, const void *, __kernel_size_t); #define memcmp(d, s, n) __builtin_memcmp(d, s, n) +#endif + #endif /* _M68K_STRING_H_ */ diff --git a/include/asm-m68k/system.h b/include/asm-m68k/system.h index 131a0cb0f49..243dd13e6bf 100644 --- a/include/asm-m68k/system.h +++ b/include/asm-m68k/system.h @@ -78,13 +78,13 @@ static inline int irqs_disabled(void) #define mb() barrier() #define rmb() barrier() #define wmb() barrier() -#define read_barrier_depends() do { } while(0) -#define set_mb(var, value) do { xchg(&var, value); } while (0) +#define read_barrier_depends() ((void)0) +#define set_mb(var, value) ({ (var) = (value); wmb(); }) #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while(0) +#define smp_read_barrier_depends() ((void)0) #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) diff --git a/include/asm-m68k/user.h b/include/asm-m68k/user.h index e8d5a64c7e7..d7c0b109bd4 100644 --- a/include/asm-m68k/user.h +++ b/include/asm-m68k/user.h @@ -81,7 +81,7 @@ struct user{ unsigned long magic; /* To uniquely identify a core file */ char u_comm[32]; /* User command that was responsible */ }; -#define NBPG PAGE_SIZE +#define NBPG 4096 #define UPAGES 1 #define HOST_TEXT_START_ADDR (u.start_code) #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) diff --git a/include/asm-s390/percpu.h b/include/asm-s390/percpu.h index 495ad99c763..9ea7f1023e5 100644 --- a/include/asm-s390/percpu.h +++ b/include/asm-s390/percpu.h @@ -16,7 +16,7 @@ #if defined(__s390x__) && defined(MODULE) #define __reloc_hide(var,offset) (*({ \ - extern int simple_indentifier_##var(void); \ + extern int simple_identifier_##var(void); \ unsigned long *__ptr; \ asm ( "larl %0,per_cpu__"#var"@GOTENT" \ : "=a" (__ptr) : "X" (per_cpu__##var) ); \ @@ -25,7 +25,7 @@ #else #define __reloc_hide(var, offset) (*({ \ - extern int simple_indentifier_##var(void); \ + extern int simple_identifier_##var(void); \ unsigned long __ptr; \ asm ( "" : "=a" (__ptr) : "0" (&per_cpu__##var) ); \ (typeof(&per_cpu__##var)) (__ptr + (offset)); })) diff --git a/include/asm-um/irq_regs.h b/include/asm-um/irq_regs.h new file mode 100644 index 00000000000..3dd9c0b7027 --- /dev/null +++ b/include/asm-um/irq_regs.h @@ -0,0 +1 @@ +#include <asm-generic/irq_regs.h> diff --git a/include/asm-x86_64/percpu.h b/include/asm-x86_64/percpu.h index 285756010c5..5ed0ef34084 100644 --- a/include/asm-x86_64/percpu.h +++ b/include/asm-x86_64/percpu.h @@ -32,13 +32,13 @@ /* var is in discarded region: offset to particular copy we want */ #define per_cpu(var, cpu) (*({ \ - extern int simple_indentifier_##var(void); \ + extern int simple_identifier_##var(void); \ RELOC_HIDE(&per_cpu__##var, __per_cpu_offset(cpu)); })) #define __get_cpu_var(var) (*({ \ - extern int simple_indentifier_##var(void); \ + extern int simple_identifier_##var(void); \ RELOC_HIDE(&per_cpu__##var, __my_cpu_offset()); })) #define __raw_get_cpu_var(var) (*({ \ - extern int simple_indentifier_##var(void); \ + extern int simple_identifier_##var(void); \ RELOC_HIDE(&per_cpu__##var, __my_cpu_offset()); })) /* A macro to avoid #include hell... */ diff --git a/include/linux/mm.h b/include/linux/mm.h index b7966ab8cb6..26146623be2 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -593,6 +593,7 @@ static inline int page_mapped(struct page *page) */ #define NOPAGE_SIGBUS (NULL) #define NOPAGE_OOM ((struct page *) (-1)) +#define NOPAGE_REFAULT ((struct page *) (-2)) /* Return to userspace, rerun */ /* * Error return values for the *_nopfn functions diff --git a/include/linux/mmc/protocol.h b/include/linux/mmc/protocol.h index 81c3f77f652..08dec8d9e70 100644 --- a/include/linux/mmc/protocol.h +++ b/include/linux/mmc/protocol.h @@ -83,6 +83,7 @@ /* Application commands */ #define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ +#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */ #define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */ #define SD_APP_SEND_SCR 51 /* adtc R1 */ diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 46ec72fa2c8..600e3d387ff 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -19,7 +19,7 @@ * we force a syntax error here if it isn't. */ #define get_cpu_var(var) (*({ \ - extern int simple_indentifier_##var(void); \ + extern int simple_identifier_##var(void); \ preempt_disable(); \ &__get_cpu_var(var); })) #define put_cpu_var(var) preempt_enable() diff --git a/include/linux/sched.h b/include/linux/sched.h index 331f4502e92..6735c1cf334 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1065,9 +1065,10 @@ static inline int pid_alive(struct task_struct *p) } /** - * is_init - check if a task structure is the first user space - * task the kernel created. - * @p: Task structure to be checked. + * is_init - check if a task structure is init + * @tsk: Task structure to be checked. + * + * Check if a task structure is the first user space task the kernel created. */ static inline int is_init(struct task_struct *tsk) { diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index d6288e89fd9..9c9a8ad9247 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -57,7 +57,8 @@ struct svc_serv { struct svc_stat * sv_stats; /* RPC statistics */ spinlock_t sv_lock; unsigned int sv_nrthreads; /* # of server threads */ - unsigned int sv_bufsz; /* datagram buffer size */ + unsigned int sv_max_payload; /* datagram payload size */ + unsigned int sv_max_mesg; /* max_payload + 1 page for overheads */ unsigned int sv_xdrsize; /* XDR buffer size */ struct list_head sv_permsocks; /* all permanent sockets */ diff --git a/include/linux/timex.h b/include/linux/timex.h index 049dfe4a11f..db501dc23c2 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -293,6 +293,9 @@ extern void second_overflow(void); extern void update_ntp_one_tick(void); extern int do_adjtimex(struct timex *); +/* Don't use! Compatibility define for existing users. */ +#define tickadj (500/HZ ? : 1) + #endif /* KERNEL */ #endif /* LINUX_TIMEX_H */ diff --git a/kernel/audit.c b/kernel/audit.c index f9889ee7782..98106f6078b 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -340,7 +340,7 @@ static int kauditd_thread(void *dummy) { struct sk_buff *skb; - while (1) { + while (!kthread_should_stop()) { skb = skb_dequeue(&audit_skb_queue); wake_up(&audit_backlog_wait); if (skb) { @@ -369,6 +369,7 @@ static int kauditd_thread(void *dummy) remove_wait_queue(&kauditd_wait, &wait); } } + return 0; } int audit_send_list(void *_dest) diff --git a/lib/irq_regs.c b/lib/irq_regs.c index 101b1a4f9b1..753880a5440 100644 --- a/lib/irq_regs.c +++ b/lib/irq_regs.c @@ -8,8 +8,10 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ +#include <linux/module.h> #include <asm/irq_regs.h> #ifndef ARCH_HAS_OWN_IRQ_REGS DEFINE_PER_CPU(struct pt_regs *, __irq_regs); +EXPORT_PER_CPU_SYMBOL(__irq_regs); #endif diff --git a/mm/memory.c b/mm/memory.c index 9cf3f341a28..b5a4aadd961 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1086,6 +1086,7 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, default: BUG(); } + cond_resched(); } if (pages) { pages[i] = page; @@ -2169,11 +2170,13 @@ retry: * after the next truncate_count read. */ - /* no page was available -- either SIGBUS or OOM */ - if (new_page == NOPAGE_SIGBUS) + /* no page was available -- either SIGBUS, OOM or REFAULT */ + if (unlikely(new_page == NOPAGE_SIGBUS)) return VM_FAULT_SIGBUS; - if (new_page == NOPAGE_OOM) + else if (unlikely(new_page == NOPAGE_OOM)) return VM_FAULT_OOM; + else if (unlikely(new_page == NOPAGE_REFAULT)) + return VM_FAULT_MINOR; /* * Should we do an early C-O-W break? diff --git a/mm/slab.c b/mm/slab.c index e9a63b5a7fb..64fb0d770b0 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1106,15 +1106,18 @@ static inline int cache_free_alien(struct kmem_cache *cachep, void *objp) int nodeid = slabp->nodeid; struct kmem_list3 *l3; struct array_cache *alien = NULL; + int node; + + node = numa_node_id(); /* * Make sure we are not freeing a object from another node to the array * cache on this cpu. */ - if (likely(slabp->nodeid == numa_node_id())) + if (likely(slabp->nodeid == node)) return 0; - l3 = cachep->nodelists[numa_node_id()]; + l3 = cachep->nodelists[node]; STATS_INC_NODEFREES(cachep); if (l3->alien && l3->alien[nodeid]) { alien = l3->alien[nodeid]; @@ -1352,6 +1355,7 @@ void __init kmem_cache_init(void) struct cache_names *names; int i; int order; + int node; for (i = 0; i < NUM_INIT_LISTS; i++) { kmem_list3_init(&initkmem_list3[i]); @@ -1386,12 +1390,14 @@ void __init kmem_cache_init(void) * 6) Resize the head arrays of the kmalloc caches to their final sizes. */ + node = numa_node_id(); + /* 1) create the cache_cache */ INIT_LIST_HEAD(&cache_chain); list_add(&cache_cache.next, &cache_chain); cache_cache.colour_off = cache_line_size(); cache_cache.array[smp_processor_id()] = &initarray_cache.cache; - cache_cache.nodelists[numa_node_id()] = &initkmem_list3[CACHE_CACHE]; + cache_cache.nodelists[node] = &initkmem_list3[CACHE_CACHE]; cache_cache.buffer_size = ALIGN(cache_cache.buffer_size, cache_line_size()); @@ -1496,19 +1502,18 @@ void __init kmem_cache_init(void) } /* 5) Replace the bootstrap kmem_list3's */ { - int node; + int nid; + /* Replace the static kmem_list3 structures for the boot cpu */ - init_list(&cache_cache, &initkmem_list3[CACHE_CACHE], - numa_node_id()); + init_list(&cache_cache, &initkmem_list3[CACHE_CACHE], node); - for_each_online_node(node) { + for_each_online_node(nid) { init_list(malloc_sizes[INDEX_AC].cs_cachep, - &initkmem_list3[SIZE_AC + node], node); + &initkmem_list3[SIZE_AC + nid], nid); if (INDEX_AC != INDEX_L3) { init_list(malloc_sizes[INDEX_L3].cs_cachep, - &initkmem_list3[SIZE_L3 + node], - node); + &initkmem_list3[SIZE_L3 + nid], nid); } } } @@ -2918,6 +2923,9 @@ static void *cache_alloc_refill(struct kmem_cache *cachep, gfp_t flags) int batchcount; struct kmem_list3 *l3; struct array_cache *ac; + int node; + + node = numa_node_id(); check_irq_off(); ac = cpu_cache_get(cachep); @@ -2931,7 +2939,7 @@ retry: */ batchcount = BATCHREFILL_LIMIT; } - l3 = cachep->nodelists[numa_node_id()]; + l3 = cachep->nodelists[node]; BUG_ON(ac->avail > 0 || !l3); spin_lock(&l3->list_lock); @@ -2961,7 +2969,7 @@ retry: STATS_SET_HIGH(cachep); ac->entry[ac->avail++] = slab_get_obj(cachep, slabp, - numa_node_id()); + node); } check_slabp(cachep, slabp); @@ -2980,7 +2988,7 @@ alloc_done: if (unlikely(!ac->avail)) { int x; - x = cache_grow(cachep, flags, numa_node_id()); + x = cache_grow(cachep, flags, node); /* cache_grow can reenable interrupts, then ac could change. */ ac = cpu_cache_get(cachep); diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index c2c8bb20d07..2807fa0eab4 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -282,7 +282,10 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools, serv->sv_program = prog; serv->sv_nrthreads = 1; serv->sv_stats = prog->pg_stats; - serv->sv_bufsz = bufsize? bufsize : 4096; + if (bufsize > RPCSVC_MAXPAYLOAD) + bufsize = RPCSVC_MAXPAYLOAD; + serv->sv_max_payload = bufsize? bufsize : 4096; + serv->sv_max_mesg = roundup(serv->sv_max_payload + PAGE_SIZE, PAGE_SIZE); serv->sv_shutdown = shutdown; xdrsize = 0; while (prog) { @@ -414,9 +417,9 @@ svc_init_buffer(struct svc_rqst *rqstp, unsigned int size) int pages; int arghi; - if (size > RPCSVC_MAXPAYLOAD) - size = RPCSVC_MAXPAYLOAD; - pages = 2 + (size+ PAGE_SIZE -1) / PAGE_SIZE; + pages = size / PAGE_SIZE + 1; /* extra page as we hold both request and reply. + * We assume one is at most one page + */ arghi = 0; BUG_ON(pages > RPCSVC_MAXPAGES); while (pages) { @@ -463,7 +466,7 @@ __svc_create_thread(svc_thread_fn func, struct svc_serv *serv, if (!(rqstp->rq_argp = kmalloc(serv->sv_xdrsize, GFP_KERNEL)) || !(rqstp->rq_resp = kmalloc(serv->sv_xdrsize, GFP_KERNEL)) - || !svc_init_buffer(rqstp, serv->sv_bufsz)) + || !svc_init_buffer(rqstp, serv->sv_max_mesg)) goto out_thread; serv->sv_nrthreads++; @@ -938,8 +941,8 @@ u32 svc_max_payload(const struct svc_rqst *rqstp) if (rqstp->rq_sock->sk_sock->type == SOCK_DGRAM) max = RPCSVC_MAXPAYLOAD_UDP; - if (rqstp->rq_server->sv_bufsz < max) - max = rqstp->rq_server->sv_bufsz; + if (rqstp->rq_server->sv_max_payload < max) + max = rqstp->rq_server->sv_max_payload; return max; } EXPORT_SYMBOL_GPL(svc_max_payload); diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index b39e7e2b648..61e307cca13 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -192,13 +192,13 @@ svc_sock_enqueue(struct svc_sock *svsk) svsk->sk_pool = pool; set_bit(SOCK_NOSPACE, &svsk->sk_sock->flags); - if (((atomic_read(&svsk->sk_reserved) + serv->sv_bufsz)*2 + if (((atomic_read(&svsk->sk_reserved) + serv->sv_max_mesg)*2 > svc_sock_wspace(svsk)) && !test_bit(SK_CLOSE, &svsk->sk_flags) && !test_bit(SK_CONN, &svsk->sk_flags)) { /* Don't enqueue while not enough space for reply */ dprintk("svc: socket %p no space, %d*2 > %ld, not enqueued\n", - svsk->sk_sk, atomic_read(&svsk->sk_reserved)+serv->sv_bufsz, + svsk->sk_sk, atomic_read(&svsk->sk_reserved)+serv->sv_max_mesg, svc_sock_wspace(svsk)); svsk->sk_pool = NULL; clear_bit(SK_BUSY, &svsk->sk_flags); @@ -220,7 +220,7 @@ svc_sock_enqueue(struct svc_sock *svsk) rqstp, rqstp->rq_sock); rqstp->rq_sock = svsk; atomic_inc(&svsk->sk_inuse); - rqstp->rq_reserved = serv->sv_bufsz; + rqstp->rq_reserved = serv->sv_max_mesg; atomic_add(rqstp->rq_reserved, &svsk->sk_reserved); BUG_ON(svsk->sk_pool != pool); wake_up(&rqstp->rq_wait); @@ -639,8 +639,8 @@ svc_udp_recvfrom(struct svc_rqst *rqstp) * which will access the socket. */ svc_sock_setbufsize(svsk->sk_sock, - (serv->sv_nrthreads+3) * serv->sv_bufsz, - (serv->sv_nrthreads+3) * serv->sv_bufsz); + (serv->sv_nrthreads+3) * serv->sv_max_mesg, + (serv->sv_nrthreads+3) * serv->sv_max_mesg); if ((rqstp->rq_deferred = svc_deferred_dequeue(svsk))) { svc_sock_received(svsk); @@ -749,8 +749,8 @@ svc_udp_init(struct svc_sock *svsk) * svc_udp_recvfrom will re-adjust if necessary */ svc_sock_setbufsize(svsk->sk_sock, - 3 * svsk->sk_server->sv_bufsz, - 3 * svsk->sk_server->sv_bufsz); + 3 * svsk->sk_server->sv_max_mesg, + 3 * svsk->sk_server->sv_max_mesg); set_bit(SK_DATA, &svsk->sk_flags); /* might have come in before data_ready set up */ set_bit(SK_CHNGBUF, &svsk->sk_flags); @@ -993,8 +993,8 @@ svc_tcp_recvfrom(struct svc_rqst *rqstp) * as soon a a complete request arrives. */ svc_sock_setbufsize(svsk->sk_sock, - (serv->sv_nrthreads+3) * serv->sv_bufsz, - 3 * serv->sv_bufsz); + (serv->sv_nrthreads+3) * serv->sv_max_mesg, + 3 * serv->sv_max_mesg); clear_bit(SK_DATA, &svsk->sk_flags); @@ -1032,7 +1032,7 @@ svc_tcp_recvfrom(struct svc_rqst *rqstp) } svsk->sk_reclen &= 0x7fffffff; dprintk("svc: TCP record, %d bytes\n", svsk->sk_reclen); - if (svsk->sk_reclen > serv->sv_bufsz) { + if (svsk->sk_reclen > serv->sv_max_mesg) { printk(KERN_NOTICE "RPC: bad TCP reclen 0x%08lx (large)\n", (unsigned long) svsk->sk_reclen); goto err_delete; @@ -1171,8 +1171,8 @@ svc_tcp_init(struct svc_sock *svsk) * svc_tcp_recvfrom will re-adjust if necessary */ svc_sock_setbufsize(svsk->sk_sock, - 3 * svsk->sk_server->sv_bufsz, - 3 * svsk->sk_server->sv_bufsz); + 3 * svsk->sk_server->sv_max_mesg, + 3 * svsk->sk_server->sv_max_mesg); set_bit(SK_CHNGBUF, &svsk->sk_flags); set_bit(SK_DATA, &svsk->sk_flags); @@ -1234,7 +1234,7 @@ svc_recv(struct svc_rqst *rqstp, long timeout) /* now allocate needed pages. If we get a failure, sleep briefly */ - pages = 2 + (serv->sv_bufsz + PAGE_SIZE -1) / PAGE_SIZE; + pages = (serv->sv_max_mesg + PAGE_SIZE) / PAGE_SIZE; for (i=0; i < pages ; i++) while (rqstp->rq_pages[i] == NULL) { struct page *p = alloc_page(GFP_KERNEL); @@ -1263,7 +1263,7 @@ svc_recv(struct svc_rqst *rqstp, long timeout) if ((svsk = svc_sock_dequeue(pool)) != NULL) { rqstp->rq_sock = svsk; atomic_inc(&svsk->sk_inuse); - rqstp->rq_reserved = serv->sv_bufsz; + rqstp->rq_reserved = serv->sv_max_mesg; atomic_add(rqstp->rq_reserved, &svsk->sk_reserved); } else { /* No data pending. Go to sleep */ |