x86: make amd quad core 8 socket system not be clustered_box, #2

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quad core 8 socket system will have apic id lifting.the apic id range could
be [4, 0x23]. and apic_is_clustered_box will think that need to three clusters
and that is large than 2. So it is treated as clustered_box.

and will get

Marking TSC unstable due to TSCs unsynchronized

even the CPUs have X86_FEATURE_CONSTANT_TSC set.

this patch will check if the cpu is from AMD.

Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

...

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Yinghai Lu 2008-02-23 21:48:42 -08:00 • committed by Ingo Molnar

parent 513ad84bf6

commit 322850af8d

1 changed files with 11 additions and 1 deletions

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arch/x86/kernel/apic_64.c

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