linux-kernel - Re: [PATCH] x86: make SMP locks handling interact properly with CONFIG_DEBUG

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Message-ID: <468BBFB3.9080303@goop.org>
Date:	Wed, 04 Jul 2007 08:41:39 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Jan Beulich <jbeulich@...ell.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <ak@...e.de>,
	linux-kernel@...r.kernel.org, patches@...-64.org
Subject: Re: [PATCH] x86: make SMP locks handling interact properly with	CONFIG_DEBUG_RODATA
 (2nd try)

Jan Beulich wrote:
> Instead of suppressing the change of .text to become readonly, make
> the SMP locks patching code properly adjust/restore the page access
> rights.
>   

I guess we'll need to do the same thing for paravirt_ops patching?

> On x86-64 additionally remove all mappings past the kernel image, and
> remove leftovers from the removal of the more general (but abandoned)
> SMP alternatives.
>   

I'd already posted a patch to remove smp alternatives.  I thought it had 
been merged already, but I guess it's in Andi's queue.

    J
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