Messages in this thread | | | Subject | Re: [PATCH 2.6.12-rc3-mm3] perfctr: x86 update with K8 multicore fixes | From | Andi Kleen <> | Date | Mon, 09 May 2005 01:37:01 +0200 |
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Mikael Pettersson <mikpe@csd.uu.se> writes:
> Andrew, > > Here's an update for perfctr's x86/x86-64 low-level driver > which works around issues with current K8 multicore chips. > > - Added code to detect multicore K8s and prevent threads in the > thread-centric API from using northbridge events. This avoids > resource conflicts, and an erratum in Revision E chips.
How about you just check cpu_core_map[] instead of adding your own custom detection code for this? This seems quite bogus to me. After all we have central CPU feature detection so that not everybody reinvents all this on its own.
-Andi
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