Re: [PATCH 3/3] perf, uncore: enable ev_sel_ext bit for PCU.

[Peter Zijlstra]

On Wed, Aug 07, 2013 at 02:17:25PM +0800, Yan, Zheng wrote:
> From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx>
> 
> PCU uncore event control register has a undocumented ev_sel_ext bit.
> The bit is needed by Andi's pmu-tools.

Please provide documentation. Andi needing it isn't a good changelog (or
even reason).
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