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(parent: b2ba83f) | patch
x86: Use dmi check in apic_is_clustered() on 64-bit to mark the TSC unstable
authorYinghai Lu <yinghai@kernel.org>
Mon, 27 Apr 2009 06:39:38 +0000 (23:39 -0700)
committerIngo Molnar <mingo@elte.hu>
Mon, 27 Apr 2009 07:23:52 +0000 (09:23 +0200)
commite0e42142bab96404de535cceb85d6533d5ad7942
treeb89b2aef9f5b9ec0ed2bb75f82305e54472a6fe9tree | snapshot (tar.gz zip)
parentb2ba83ff4f4405cebc10884121ee71338a1a6c94commit | diff
x86: Use dmi check in apic_is_clustered() on 64-bit to mark the TSC unstable

We will have systems with 2 and more sockets 8cores/2thread,
but we treat them as multi chassis - while they could have
a stable TSC domain.

Use DMI check instead.

[ Impact: do not turn possibly stable TSCs off incorrectly ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
LKML-Reference: <49F5532A.5000802@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/apic/apic.c diff | blob | blame | history