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x86: make stop_this_cpu looks exactly equal in both arches

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with the hlt_works change, it is possible to have i386
and x86_64 stop_this_cpu() looking exactly the same. They
can, after that, be merged.

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 14:12:49 -03:00 committed by Ingo Molnar
parent 3d3f487c58
commit 3be5b49e8f
2 changed files with 4 additions and 3 deletions
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2
arch/x86/kernel/smp_32.c
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@ -611,7 +611,7 @@ static void stop_this_cpu (void * dummy)
*/ */
cpu_clear(smp_processor_id(), cpu_online_map); cpu_clear(smp_processor_id(), cpu_online_map);
disable_local_APIC(); disable_local_APIC();
if (cpu_data(smp_processor_id()).hlt_works_ok) if (hlt_works(smp_processor_id()))
for(;;) halt(); for(;;) halt();
for (;;); for (;;);
} }

5
arch/x86/kernel/smp_64.c
View File

@ -416,8 +416,9 @@ static void stop_this_cpu(void *dummy)
*/ */
cpu_clear(smp_processor_id(), cpu_online_map); cpu_clear(smp_processor_id(), cpu_online_map);
disable_local_APIC(); disable_local_APIC();
for (;;) if (hlt_works(smp_processor_id()))
halt(); for (;;) halt();
for (;;);
} }
void smp_send_stop(void) void smp_send_stop(void)