| commit | a562b1871f7f7d2f3a835c3c1e07fa58d473cfb7 | [log] [tgz] |
|---|---|---|
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | Fri Mar 05 16:29:14 2010 +0100 |
| committer | Ingo Molnar <mingo@elte.hu> | Wed Mar 10 13:23:35 2010 +0100 |
| tree | 7e86700841691eb86b2ec41ca7f9bc1e29588a42 | |
| parent | 74846d35b24b6efd61bb88a0a750b6bb257e6e78 [diff] |
perf, x86: Robustify PEBS fixup It turns out the LBR is massively unreliable on certain CPUs, so code the fixup a little more defensive to avoid crashing the kernel. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Cc: paulus@samba.org Cc: eranian@google.com Cc: robert.richter@amd.com Cc: fweisbec@gmail.com LKML-Reference: <20100305154129.042271287@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>