On Wed, Sep 10, 2014 at 10:37:14AM +0200, Stephane Eranian wrote: > On Wed, Sep 10, 2014 at 9:59 AM, Peter Zijlstra <pet...@infradead.org> wrote: > > On Wed, Sep 10, 2014 at 09:59:26AM +0200, Peter Zijlstra wrote: > >> On Tue, Sep 09, 2014 at 05:49:08PM -0700, Andi Kleen wrote: > >> > From: Andi Kleen <a...@linux.intel.com> > >> > > >> > The earlier commit 86a04461a made near all PEBS on > >> > Sandy/IvyBridge/Haswell to reject non zero flags. > >> > >> What's magic about nehalem and westmere? > > > > And core2 and whatever else we support PEBS for, for that matter. > > nhm, wsm, core2 do not have precise distribution (PREC_DIST) umask to > inst_Retired.
That was a comment to 86a04461a, I should have spotted it at the time. There is no sane reason to only change PEBS for a subset of chips. That needs to be fixed before I'll take anything else from Andi.
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