Re: [PATCH] perf, x86: Support full width counting v3

[Ingo Molnar]

* Ingo Molnar <mingo@xxxxxxxxxx> wrote:

> Looks good - the changelog needs more work: please first outline the 
> current behavior (how we can only write 32 bit values into the counter, 
> even though the counter range is larger on most CPUs).
> 
> Then also outline the Haswell problems more precisely. What happens, 
> why, with what probability and why do we care?

For the latter it's enough to put a reference like this into the 
changelog:

  See the patch "perf/x86/intel: Avoid checkpointed counters causing 
  excessive TSX aborts" for more details.

Thanks,

	Ingo
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