linux-kernel - Re: [PATCH] x86: endless page faults in mount_block

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Message-ID: <20080428164634.GC18210@elte.hu>
Date:	Mon, 28 Apr 2008 18:46:34 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Henry Nestler <Henry.Ne@...or.de>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Alexander Viro <viro@....linux.org.uk>
Subject: Re: [PATCH] x86: endless page faults in mount_block_root for Linux
	2.6


* Henry Nestler <Henry.Ne@...or.de> wrote:

> An other fix would be to copy the "fs_names+offset" into a new page 
> and give a page alignment buffer to do_mount_root. I feel it is better 
> to fix the fault handler for all failed addresses, not only the mount?

agreed - but this would be a VFS fix, Al Cc:-ed. I ran into that 
property of the mount string copy myself in the past.

(note, your patches were whitespace damaged - i fixed up the x86 fix by 
hand - you might want to resend the VFS one via 
Documentation/email-clients.txt.)

	Ingo
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