* Fw: [PATCH] x86_64: fix SMP boot lockup on some machines
@ 2005-07-26 3:27 Andrew Morton
0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2005-07-26 3:27 UTC (permalink / raw)
To: linux-kernel
People who are experiencing early-boot lockups on x86_64
might find this useful..
Don't compare linux processor index with APICID
Fixes boot up lockups on some machines where CPU apic ids
don't start with 0
Signed-off-by: Andi Kleen <ak@suse.de>
Index: linux/arch/x86_64/kernel/smpboot.c
===================================================================
--- linux.orig/arch/x86_64/kernel/smpboot.c
+++ linux/arch/x86_64/kernel/smpboot.c
@@ -211,7 +211,7 @@ static __cpuinit void sync_master(void *
{
unsigned long flags, i;
- if (smp_processor_id() != boot_cpu_id)
+ if (smp_processor_id() != 0)
return;
go[MASTER] = 0;
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2005-07-26 3:27 Fw: [PATCH] x86_64: fix SMP boot lockup on some machines Andrew Morton
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