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Commit 8a2d8693 authored by Avi Kivity's avatar Avi Kivity Committed by Tony Luck
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[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: default avatarAvi Kivity <avi@qumranet.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 056e6d89

arch/ia64/kernel/smp.c

+5 −3
Original line number Diff line number Diff line
@@ -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;