Re: [PATCH v6 02/11] perf/x86/intel/pt: Change pt_cap_get() to a public function

From: Peter Zijlstra
Date: Mon Apr 30 2018 - 09:59:15 EST


On Tue, Mar 20, 2018 at 07:21:49PM +0800, Luwei Kang wrote:
> From: Chao Peng <chao.p.peng@xxxxxxxxxxxxxxx>
>
> Change pt_cap_get() to a public function so that KVM can access it.
> Introduce new capablility PT_CAP_output_subsys to support
> of output to Trace Transport subsystem.

That is again, more than a single change.

Also, the Changelog is far too terse, why do you need a new capability?