linux-kernel - Re: [PATCH 3 of 7] x86: fix paravirt clobber in entry

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Message-Id: <200901291909.18929.rusty@rustcorp.com.au>
Date:	Thu, 29 Jan 2009 19:09:18 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	"Xen-devel" <xen-devel@...ts.xensource.com>,
	"the arch/x86 maintainers" <x86@...nel.org>,
	Ian Campbell <ian.campbell@...rix.com>,
	Zachary Amsden <zach@...are.com>,
	Ravikiran Thirumalai <kiran@...lemp.com>
Subject: Re: [PATCH 3 of 7] x86: fix paravirt clobber in entry_64.S

On Thursday 29 January 2009 09:05:03 Jeremy Fitzhardinge wrote:
> The clobber is trying to say that anything except RDI is available for
> clobbering, but actually clobbers everything.  This hasn't mattered
> because the clobbers were basically ignored, but subsequent patches
> will rely on them.
> 
> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>

Acked-by: Rusty Russell <rusty@...tcorp.com.au>

Hmm, did we never have the deliberate-clobbering debug code for 64 bit?

Thanks,
Rusty.
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