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| author | Al Viro <viro@ftp.linux.org.uk> | 2007-07-17 22:29:46 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-17 14:39:19 -0700 |
| commit | 8dfd588c3180b7403c402b4545164ee4543f8f86 (patch) | |
| tree | 9bd261e2b78f20ea852f60ee1a13f57cff51cdae /include/linux/smp.h | |
| parent | 44052e0d91757ecac4a2f659ea3e1a658dd6057e (diff) | |
| download | blackbird-op-linux-8dfd588c3180b7403c402b4545164ee4543f8f86.tar.gz blackbird-op-linux-8dfd588c3180b7403c402b4545164ee4543f8f86.zip | |
smp_call_function_single() should be a macro on UP
... or we end up with header include order problems from hell.
E.g. on m68k this is 100% fatal - local_irq_enable() there
wants preempt_count(), which wants task_struct fields, which
we won't have when we are in smp.h pulled from sched.h.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/smp.h')
| -rw-r--r-- | include/linux/smp.h | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h index 8039daced688..259a13c3bd98 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -7,7 +7,6 @@ */ #include <linux/errno.h> -#include <asm/system.h> extern void cpu_idle(void); @@ -100,15 +99,14 @@ static inline int up_smp_call_function(void) static inline void smp_send_reschedule(int cpu) { } #define num_booting_cpus() 1 #define smp_prepare_boot_cpu() do {} while (0) -static inline int smp_call_function_single(int cpuid, void (*func) (void *info), - void *info, int retry, int wait) -{ - WARN_ON(cpuid != 0); - local_irq_disable(); - func(info); - local_irq_enable(); - return 0; -} +#define smp_call_function_single(cpuid, func, info, retry, wait) \ +({ \ + WARN_ON(cpuid != 0); \ + local_irq_disable(); \ + (func)(info); \ + local_irq_enable(); \ + 0; \ +}) #endif /* !SMP */ |
