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| author | Al Viro <viro@ftp.linux.org.uk> | 2007-07-27 15:19:52 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-29 04:42:21 +0200 |
| commit | 986c76036adb0b12cbe1bf1ce1f75586585ee227 (patch) | |
| tree | 255797fb3de85cb47994a49746b1f3192e459bb6 /include/asm-m68k/system.h | |
| parent | Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6 (diff) | |
| download | linux-986c76036adb0b12cbe1bf1ce1f75586585ee227.tar.xz linux-986c76036adb0b12cbe1bf1ce1f75586585ee227.zip | |
more include order horrors
... because somebody had added preempt.h -> list.h, resulting in
asm/system.h -> hardirq.h -> preempt.h -> list.h -> asm/system.h on m68k,
with smp_wmb() used in list.h and defined in asm/system.h below the include
of hardirq.h.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | include/asm-m68k/system.h | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/include/asm-m68k/system.h b/include/asm-m68k/system.h index 198878b53a61..caa9b1663e45 100644 --- a/include/asm-m68k/system.h +++ b/include/asm-m68k/system.h @@ -46,6 +46,22 @@ asmlinkage void resume(void); } while (0) +/* + * Force strict CPU ordering. + * Not really required on m68k... + */ +#define nop() do { asm volatile ("nop"); barrier(); } while (0) +#define mb() barrier() +#define rmb() barrier() +#define wmb() barrier() +#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() ((void)0) + /* interrupt control.. */ #if 0 #define local_irq_enable() asm volatile ("andiw %0,%%sr": : "i" (ALLOWINT) : "memory") @@ -70,23 +86,6 @@ static inline int irqs_disabled(void) /* For spinlocks etc */ #define local_irq_save(x) ({ local_save_flags(x); local_irq_disable(); }) -/* - * Force strict CPU ordering. - * Not really required on m68k... - */ -#define nop() do { asm volatile ("nop"); barrier(); } while (0) -#define mb() barrier() -#define rmb() barrier() -#define wmb() barrier() -#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() ((void)0) - - #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) struct __xchg_dummy { unsigned long a[100]; }; |