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Date: Thu, 17 Oct 2013 16:51:31 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Don Zickus <dzickus@redhat.com>
Cc: dave.hansen@linux.intel.com, eranian@google.com, ak@linux.intel.com,
        jmario@redhat.com, linux-kernel@vger.kernel.org, acme@infradead.org,
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Subject: Re: [PATCH] perf, x86: Optimize intel_pmu_pebs_fixup_ip()
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On Thu, Oct 17, 2013 at 10:49:13AM -0400, Don Zickus wrote:
> For some reason this patch is page faulting at an invalid address inside
> __intel_pmu_pebs_event().

Ah yes, I lost a refresh, but read on; I've send a gazillion new emails
since ;-)

I think it was something like: s/this_cpu_ptr/this_cpu_read/ to make it
work again.