Messages in this thread | | | Date | Sun, 24 Feb 2008 15:00:52 -0800 | From | Yinghai Lu <> | Subject | Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2 |
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On Sunday 24 February 2008 04:29:03 am Andi Kleen wrote: > On Sat, Feb 23, 2008 at 09:48:42PM -0800, Yinghai Lu wrote: > > > > 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. > > Ok I see you chose the quick hack over doing it properly ... > > > > > and will get > > > > Marking TSC unstable due to TSCs unsynchronized > > > > even the CPUs have X86_FEATURE_CONSTANT_TSC set. > > I doubt that will do the right thing on AMD based vSMP, > which also required the cluster check on AMD iirc. > > Cc'ed Kiran/Shai. damage has already hit x86 tree I believe.
do you have bootlog for these box?
IBM summit2, Unisys es70000, and system from scalemp..
DMI could tell the difference?
YH
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