linux-kernel - Re: [PATCH] [5/12] x86_64: Make patching more robust, fix paravirt issue

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Message-ID: <20070818203230.GV3672@sequoia.sous-sol.org>
Date:	Sat, 18 Aug 2007 13:32:30 -0700
From:	Chris Wright <chrisw@...s-sol.org>
To:	Andi Kleen <ak@...e.de>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>, patches@...-64.org,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH] [5/12] x86_64: Make patching more robust, fix paravirt
	issue

* Andi Kleen (ak@...e.de) wrote:
> > This patch breaks Xen booting.  
> 
> Check the latest git head. Does it still break?

Yeah, this is the latest git.  The broken commit is Rusty's patch which,
after Linus reverted the write-protected remap changes, is no longer
necessary.  AFAICT patching is writing garbage into the insn stream.
I suspect it's copying an uninitialized temp buffer.

thanks,
-chris
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