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 <[email protected]>
---
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 b3a47f9..381f9bf 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;
--
1.5.2.4
-
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