linux-kernel - Re: Faster getcpu() and sched

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Message-ID: <20080929205054.GR25711@one.firstfloor.org>
Date:	Mon, 29 Sep 2008 22:50:54 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Pardo <pardo@...gle.com>
Cc:	Andi Kleen <andi@...stfloor.org>, dean gaudet <odo@...gle.com>,
	linux-kernel@...r.kernel.org, mbligh@...gle.com,
	briangrant@...gle.com, nil@...gle.com, jyasskin@...gle.com
Subject: Re: Faster getcpu() and sched_getcpu()

On Mon, Sep 29, 2008 at 11:01:26AM -0700, Pardo wrote:
> >[Maybe disable frame pointers for vsyscall.c and the vdso?]
> 
> IIRC, some vsyscall.c code needs them enabled, so Dean's earlier patch split

I don't think it really needs it.

> vsyscall.c, creating a vsyscall_user.c for code which can run without them.
> Seem reasonable?

Seems unnecessarily complicated.

-Andi

-- 
ak@...ux.intel.com
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