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x86: add reboot_force test to native_smp_send_stop 

This can be safely added to i386. After that,
functions look exactly the same for both arches

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Glauber Costa 2008-03-03 14:12:50 -03:00 committed by Ingo Molnar
parent 3be5b49e8f
commit 321183c145
1 changed files with 7 additions and 2 deletions
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9
arch/x86/kernel/smp_32.c
View File

@ -24,6 +24,7 @@
#include <asm/tlbflush.h>
#include <asm/mmu_context.h>
#include <mach_apic.h>
#include <asm/proto.h>
/*
* Some notes on x86 processor bugs affecting SMP operation:
@ -622,10 +623,14 @@ static void stop_this_cpu (void * dummy)
static void native_smp_send_stop(void)
{
/* Don't deadlock on the call lock in panic */
int nolock = !spin_trylock(&call_lock);
int nolock;
unsigned long flags;
if (reboot_force)
return;
/* Don't deadlock on the call lock in panic */
nolock = !spin_trylock(&call_lock);
local_irq_save(flags);
__smp_call_function(stop_this_cpu, NULL, 0, 0);
if (!nolock)