lkml.org 
[lkml]   [2012]   [Jun]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 3/4] perf, x86: check ucode before disabling PEBS on SandyBridge v3
Date
Peter Zijlstra <peterz@infradead.org> writes:
>
> Is there a ucode revision for C2 higher than 0x618 but lower than
> 0x70c ? If so, your code is wrong for it would enable PEBS on that chip.

I was told there's only a single revision per model number that goes up.
That's also the model that other microcode checks in Linux follow.

Not sure what's happening with Stephane's setup.
I get 0x618 on Stepping 6. I'll try to find a C2.

-Andi

--
ak@linux.intel.com -- Speaking for myself only


\
 
 \ /
  Last update: 2012-06-14 01:01    [W:0.512 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site