linux-kernel - Re: [git head] X86

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Message-Id: <1210400990.29406.179.camel@koto.keithp.com>
Date:	Fri, 09 May 2008 23:29:50 -0700
From:	Keith Packard <keith.packard@...el.com>
To:	Dave Airlie <airlied@...il.com>
Cc:	keith.packard@...el.com,
	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>,
	Ingo Molnar <mingo@...e.hu>, Hugh Dickins <hugh@...itas.com>,
	Frans Pop <elendil@...net.nl>,
	"Barnes, Jesse" <jesse.barnes@...el.com>,
	linux-kernel@...r.kernel.org, Yinghai Lu <yhlu.kernel@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Nick Piggin <npiggin@...e.de>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: [git head] X86_PAT & mprotect

On Sat, 2008-05-10 at 16:19 +1000, Dave Airlie wrote:

> Keithp, I hope we didn't error check the mremap return values :)

        /* KLUDGE ALERT -- rewrite the PTEs to turn off the CD and WT bits */
        mprotect (map->memory, map->size, PROT_NONE);
        mprotect (map->memory, map->size, PROT_READ|PROT_WRITE);

No return value checks for us ;-)

-- 
keith.packard@...el.com

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