linux-kernel - Re: [tip:perfcounters/core] x86: perf

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Message-ID: <20090308210521.GA17491@elte.hu>
Date:	Sun, 8 Mar 2009 22:05:21 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, mingo@...hat.com,
	jaswinder@...nel.org, tglx@...utronix.de,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perfcounters/core] x86: perf_counter cleanup


* H. Peter Anvin <hpa@...or.com> wrote:

> Peter Zijlstra wrote:
> > On Sun, 2009-03-08 at 15:52 +0000, Jaswinder Singh Rajput wrote:
> >> Commit-ID:  e255357764f92afcafafbd4879b222b8c752065a
> >> Gitweb:     http://git.kernel.org/tip/e255357764f92afcafafbd4879b222b8c752065a
> >> Author:     "Jaswinder Singh Rajput" <jaswinder@...nel.org>
> >> AuthorDate: Sun, 8 Mar 2009 17:09:49 +0530
> >> Commit:     Ingo Molnar <mingo@...e.hu>
> >> CommitDate: Sun, 8 Mar 2009 16:26:50 +0100
> >>
> >> x86: perf_counter cleanup
> >>
> >> Remove unused variables and duplicate header file.
> > 
> > Why did you commit this?
> > 
> > Until someone from AMD steps up and either tells us they're 
> > going to be 48bits _ALWAYS_ or that it's impossible to 
> > detect dynamically, I'd rather try and get the dynamic thing 
> > working.
> 
> That would be good, but there really is absolutely no reason 
> to leave in variables which are unused in the current code and 
> therefore give a gcc warning.  It's not like adding new 
> declaration is hard.

yeah. Adding a TODO there might be worth doing though.

	Ingo
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