linux-kernel - Re: bad paravirt/Xen interaction in "x86 - Enhance DEBUG_RODATA support

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Message-ID: <20080229212421.GK27212@elte.hu>
Date:	Fri, 29 Feb 2008 22:24:21 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>, Andi Kleen <ak@...e.de>,
	Zachary Amsden <zach@...are.com>
Subject: Re: bad paravirt/Xen interaction in "x86 - Enhance DEBUG_RODATA
	support - alternatives"


* Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> The patch "x86 - Enhance DEBUG_RODATA support - alternatives" enables 
> the kernel for writing by clearing X86_CR0_WP allow privileged writes.  
> This won't work in a paravirt environment for two reasons:

ok, have reverted it and have pushed out a new x86.git.

	Ingo
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