linux-kernel - Re: git commit 9fd67b4ed0714ab718f1f9bd14c344af336a6df7 (x86-64: Give vvars their own page) breaks Xen PV guests (64-bit).

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Message-ID: <CAObL_7Fiv9kkSeu5qkq3GubbWvykHLpVzurpeJQ9WoSR=XR5xA@mail.gmail.com>
Date:	Tue, 26 Jul 2011 16:55:57 -0400
From:	Andrew Lutomirski <luto@....edu>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	jj@...osbits.net, linux-kernel@...r.kernel.org,
	xen-devel@...ts.xensource.com, arjan@...radead.org,
	JBeulich@...ell.com, richard.weinberger@...il.com, mikpe@...uu.se,
	andi@...stfloor.org, brgerst@...il.com, Louis.Rilling@...labs.com,
	Valdis.Kletnieks@...edu, pageexec@...email.hu, mingo@...e.hu,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	Ian Campbell <Ian.Campbell@...citrix.com>
Subject: Re: git commit 9fd67b4ed0714ab718f1f9bd14c344af336a6df7 (x86-64: Give
 vvars their own page) breaks Xen PV guests (64-bit).

On Tue, Jul 26, 2011 at 4:51 PM, Konrad Rzeszutek Wilk
<konrad.wilk@...cle.com> wrote:
>> That one means that the vvar fixmap isn't working.  Can you try the
>> attached patch?
>
> Sure. Albeit it looks to be missing a check for the 0xe033 cs?

Sorry -- I meant can you try that on top of the 0xe033 hack?

--Andy
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