On Wed, Sep 10, 2014 at 04:22:32PM +0200, Peter Zijlstra wrote: > On Wed, Sep 10, 2014 at 07:02:58AM -0700, Andi Kleen 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 <[email protected]> > > > > > > > > The earlier commit 86a04461a made near all PEBS on > > > > Sandy/IvyBridge/Haswell to reject non zero flags. > > > > > > What's magic about nehalem and westmere? > > > > I wasn't able to confirm their behavior explicitly, so I felt > > it best to leave them alone. > > > > But in principle adding the _FLAGS changes there too would > > make sense too. > > Yeah please do that patch ASAP, having PEBS behave differently across > uarchs is wrong.
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