| From stable-bounces@linux.kernel.org Mon Aug 8 09:47:43 2005 |
| Date: Mon, 8 Aug 2005 18:47:19 +0200 |
| From: Andi Kleen <ak@suse.de> |
| To: stable@kernel.org, discuss@x86-64.org |
| Subject: [PATCH] Fix SRAT for non dual core AMD systems |
| |
| Patch for 2.6.12-STABLE |
| |
| This fixes a bug in SRAT handling on AMD systems that was introduced |
| with the dual core support. It would be disabled on CPUs without dual core. |
| Just drop the bogus check. |
| |
| Signed-off-by: Andi Kleen <ak@suse.de> |
| Signed-off-by: Chris Wright <chrisw@osdl.org> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
| --- |
| |
| Index: linux-2.6.12/arch/x86_64/kernel/setup.c |
| =================================================================== |
| --- linux-2.6.12.orig/arch/x86_64/kernel/setup.c |
| +++ linux-2.6.12/arch/x86_64/kernel/setup.c |
| @@ -729,8 +729,6 @@ static void __init amd_detect_cmp(struct |
| int cpu = smp_processor_id(); |
| int node = 0; |
| unsigned bits; |
| - if (c->x86_num_cores == 1) |
| - return; |
| |
| bits = 0; |
| while ((1 << bits) < c->x86_num_cores) |
| |
