Messages in this thread Patch in this message | | | Date | Mon, 25 Jul 2005 20:27:37 -0700 | From | Andrew Morton <> | Subject | Fw: [PATCH] x86_64: fix SMP boot lockup on some machines |
| |
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; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |