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SubjectRe: perf: WARNING: kernel/events/core.c:4893 perf_mmap_close
On Tue, Aug 23, 2016 at 04:12:42PM +0100, Will Deacon wrote:
> Hi Alexander,
>
> On Fri, Aug 12, 2016 at 08:54:49PM +0300, Alexander Shishkin wrote:
> > Yes, I tracked to a race between unmapping and set_output, trying to
> > come up with a good fix now.
>
> Did you get anywhere with this? I think I just hit the same issue with
> the intel-pt driver on my broadwell laptop with -rc3+PREEMPT (dump
> below) and I'm more than happy to test a fix.

lkml.kernel.org/r/1471942474-1854-1-git-send-email-alexander.shishkin@linux.intel.com

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