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| author | Avi Kivity <avi@qumranet.com> | 2007-07-19 18:32:43 +0300 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2007-07-30 16:26:45 -0700 |
| commit | 8a2d8693054a6cd86cc959576322b30e66e31208 (patch) | |
| tree | 7aeb38a7dbaba8ee78289450b650504a5cc7fe61 /arch/ia64/kernel/smp.c | |
| parent | 056e6d89aab51babaa5f75c16832b19c55a68bc4 (diff) | |
| download | linux-8a2d8693054a6cd86cc959576322b30e66e31208.tar.gz linux-8a2d8693054a6cd86cc959576322b30e66e31208.tar.bz2 linux-8a2d8693054a6cd86cc959576322b30e66e31208.zip | |
[IA64] Allow smp_call_function_single() to current cpu
This removes the requirement for callers to get_cpu() to check in simple
cases. i386 and x86_64 already received a similar treatment.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/kernel/smp.c')
| -rw-r--r-- | arch/ia64/kernel/smp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c index 0982882bfb80..4e446aa5f4ac 100644 --- a/arch/ia64/kernel/smp.c +++ b/arch/ia64/kernel/smp.c @@ -346,7 +346,7 @@ smp_flush_tlb_mm (struct mm_struct *mm) } /* - * Run a function on another CPU + * Run a function on a specific CPU * <func> The function to run. This must be fast and non-blocking. * <info> An arbitrary pointer to pass to the function. * <nonatomic> Currently unused. @@ -366,9 +366,11 @@ smp_call_function_single (int cpuid, void (*func) (void *info), void *info, int int me = get_cpu(); /* prevent preemption and reschedule on another processor */ if (cpuid == me) { - printk(KERN_INFO "%s: trying to call self\n", __FUNCTION__); + local_irq_disable(); + func(info); + local_irq_enable(); put_cpu(); - return -EBUSY; + return 0; } data.func = func; |