Messages in this thread | | | Date | Fri, 8 Jun 2012 16:26:04 +0200 | Subject | Re: [PATCH] perf/x86: check ucode before disabling PEBS on SandyBridge | From | Stephane Eranian <> |
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On Fri, Jun 8, 2012 at 4:25 PM, Peter Zijlstra <peterz@infradead.org> wrote: > On Fri, 2012-06-08 at 16:07 +0200, Stephane Eranian wrote: >> > +static const u32 snb_ucode_rev = 0x28; >> > + >> >> That needs to be a per CPU model value. It >> is not the same for SNB vs. SNB-EP. On EP >> it may even depends on stepping. > > Yeah, you said, easiest is removing the const and putting some > assignments to the thing somewhere in our model switch. > > Do you know what values for what chip we should use? > Checking on that.
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