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

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Message-ID: <1468572794.2020.19.camel@localhost>
Date:	Fri, 15 Jul 2016 08:55:41 +0000
From:	"Wei, Jiangang" <weijg.fnst@...fujitsu.com>
To:	"mingo@...nel.org" <mingo@...nel.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"a.p.zijlstra@...llo.nl" <a.p.zijlstra@...llo.nl>,
	"bp@...e.de" <bp@...e.de>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"x86@...nel.org" <x86@...nel.org>, "hpa@...or.com" <hpa@...or.com>,
	"mingo@...hat.com" <mingo@...hat.com>,
	"adrian.hunter@...el.com" <adrian.hunter@...el.com>
Subject: Re: [PATCH] x86/tsc: remove the unused check_tsc_disabled()

On Fri, 2016-07-15 at 10:34 +0200, Ingo Molnar wrote:
> * 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 for your correction and quick reply.
wei
> 
> Thanks,
> 
> 	Ingo
> 
>