diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-04 13:15:48 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-04 13:15:48 -0800 |
| commit | 42270035c6550101f7dc742a630c2590dd2d3ae0 (patch) | |
| tree | 7b3d198f01b5c4c6b64f4cedf747f729438b7247 /include/asm-arm/system.h | |
| parent | 2c89a8d09f03bc569d3237d97e2293d67c36d75d (diff) | |
| parent | 8d91cbad8e6fd5b37bf584740f134508709ba035 (diff) | |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: (30 commits)
[ARM] Acorn: move the i2c bus driver into drivers/i2c
[ARM] ARM SCSI: Don't try to dma_map_sg too many scatterlist entries
[ARM] ARM FAS216: don't modify scsi_cmnd request_bufflen
[ARM] rtc-pcf8583: Final fixes for this RTC on RiscPC
[ARM] rtc-pcf8583: correct month and year offsets
[ARM] rtc-pcf8583: don't use BCD_TO_BIN/BIN_TO_BCD
[ARM] EBSA110: Work around build errors
[ARM] 4241/1: Define mb() as compiler barrier on a uniprocessor system
[ARM] 4239/1: S3C24XX: Update kconfig entries for PM
[ARM] 4238/1: S3C24XX: docs: update suspend and resume
[ARM] 4237/2: oprofile: Always allow backtraces on ARM
[ARM] Yet more asm/apm-emulation.h stuff
ARM: OMAP: Add missing get_irqnr_preamble and arch_ret_to_user for omap2
ARM: OMAP: Use linux/delay.h not asm/delay.h
ARM: OMAP: Remove obsolete alsa typedefs
ARM: OMAP: omap1510->15xx conversions needed for sx1
ARM: OMAP: Add missing includes to board-nokia770
ARM: OMAP: Workqueue changes for board-h4.c
ARM: OMAP: dmtimer.c omap1 register fix
ARM: OMAP: board-nokia770: correct lcd name
...
Diffstat (limited to 'include/asm-arm/system.h')
| -rw-r--r-- | include/asm-arm/system.h | 40 |
1 files changed, 19 insertions, 21 deletions
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index f4386906b20..f06d8a43fde 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -167,11 +167,25 @@ extern unsigned int user_debug; : : "r" (0) : "memory") #define dmb() __asm__ __volatile__ ("" : : : "memory") #endif -#define mb() dmb() -#define rmb() mb() -#define wmb() mb() -#define read_barrier_depends() do { } while(0) -#define set_mb(var, value) do { var = value; mb(); } while (0) + +#define mb() barrier() +#define rmb() barrier() +#define wmb() barrier() +#define read_barrier_depends() do { } while(0) + +#ifdef CONFIG_SMP +#define smp_mb() dmb() +#define smp_rmb() dmb() +#define smp_wmb() dmb() +#define smp_read_barrier_depends() read_barrier_depends() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() read_barrier_depends() +#endif /* CONFIG_SMP */ + +#define set_mb(var, value) do { var = value; smp_mb(); } while (0) #define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t"); extern unsigned long cr_no_alignment; /* defined in entry-armv.S */ @@ -243,22 +257,6 @@ static inline void sched_cacheflush(void) { } -#ifdef CONFIG_SMP - -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() - -#else - -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while(0) - -#endif /* CONFIG_SMP */ - #if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110) /* * On the StrongARM, "swp" is terminally broken since it bypasses the |