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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-01 20:48:54 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-01 20:48:54 -0700
commit1ed4395035a6791ebbbf618429a58ab9c207cc83 (patch)
treea34158c5dd3c4ca70f140da5a484ca6142a3b8c3 /arch/ia64/kernel/smp.c
parent878701db07db3f0b59f14f0c525b681e4ca81551 (diff)
parentb718f91c14604e4ab5cdfe8d3baff8111425ea7d (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] ITC: Reduce rating for ITC clock if ITCs are drifty [IA64] SN2: Fix up sn2_rtc clock [IA64] Fix wrong access to irq_desc[] in iosapic_register_intr(). [IA64] Fix possible race in destroy_and_reserve_irq() [IA64] Fix registered interrupt check [IA64] Remove a few duplicate includes [IA64] Allow smp_call_function_single() to current cpu [IA64] fix a few section mismatch warnings
Diffstat (limited to 'arch/ia64/kernel/smp.c')
-rw-r--r--arch/ia64/kernel/smp.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 0982882bfb8..4e446aa5f4a 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;