Re: [PATCH] x86: print microcode revision on PEBs errors

2013-10-31 Thread Ingo Molnar
* Michael S. Tsirkin wrote: > On Sandy bridge CPUs with old microcode, PEBs > fails and suggests a microcode update. > Print out the required and the actual revision to > make it easier to figure out what's wrong. > > Signed-off-by: Michael S. Tsirkin > --- > arch/x86/kernel/cpu/perf_event_in

Re: [PATCH] x86: print microcode revision on PEBs errors

2013-10-30 Thread Joe Perches
On Wed, 2013-10-30 at 21:31 +0200, Michael S. Tsirkin wrote: > On Sandy bridge CPUs with old microcode, PEBs > fails and suggests a microcode update. > Print out the required and the actual revision to > make it easier to figure out what's wrong. [] > diff --git a/arch/x86/kernel/cpu/perf_event_int

[PATCH] x86: print microcode revision on PEBs errors

2013-10-30 Thread Michael S. Tsirkin
On Sandy bridge CPUs with old microcode, PEBs fails and suggests a microcode update. Print out the required and the actual revision to make it easier to figure out what's wrong. Signed-off-by: Michael S. Tsirkin --- arch/x86/kernel/cpu/perf_event_intel.c | 2 ++ 1 file changed, 2 insertions(+)