linux-kernel - Re: [PATCH] x86/tsc: remove the unused check_tsc

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Message-ID: <20160715083430.GA1056@gmail.com>
Date:	Fri, 15 Jul 2016 10:34:30 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Wei Jiangang <weijg.fnst@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org, x86@...nel.org, tglx@...utronix.de,
	mingo@...hat.com, hpa@...or.com, bp@...e.de,
	adrian.hunter@...el.com, a.p.zijlstra@...llo.nl
Subject: Re: [PATCH] x86/tsc: remove the unused check_tsc_disabled()


* Wei Jiangang <weijg.fnst@...fujitsu.com> wrote:

> check_tsc_disabled() was introduced by commit c73deb6aecda ("perf/x86:
> Add ability to calculate TSC from perf sample timestamps").
> The only caller arch_perf_update_userpage() had been refactored
> by commit fa9cbf320e99 ("perf/x86: Move perf_event.c ...............
> => x86/events/core.c").
> so no need keep and export it any more.

No, it wasn't refactored by fa9cbf320e99, but by:

  d8b11a0cbd1c perf/x86: Clean up cap_user_time* setting

I've fixed the changelog.

Thanks,

	Ingo