linux-kernel - Re: [PATCH urgent] x86: Save cr4 to mmu_cr4

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Message-Id: <201104050843.39246.rjw@sisk.pl>
Date:	Tue, 5 Apr 2011 08:43:38 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"yinghai@...nel.org" <yinghai@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>,
	"lkml20101129@...ton.leun.net" <lkml20101129@...ton.leun.net>,
	stable kernel team <stable@...nel.org>,
	Jeremy Fitzhardinge <Jeremy.Fitzhardinge@...rix.com>
Subject: Re: [PATCH urgent] x86: Save cr4 to mmu_cr4_features at boot time

On Tuesday, April 05, 2011, H. Peter Anvin wrote:
> On 04/04/2011 11:29 PM, Rafael J. Wysocki wrote:
> >>
> >> Peter very consciously did not mark the fix for this commit as -stable 
> >> material. It was ineligible for -stable for multiple reasons: it by no means 
> >> fixed a 2.6.39 regression and the fix was literally just a few days old.
> > 
> > Has this issue been resolved in the mainline, BTW?
> > 
> 
> Just to refresh my memory... is this an issue in mainline, or is it only
> a problem in the backport (I'm wondering if the trampoline unification
> patches might have accidentally solved the issue)?


The problem is in mainline too, please fix ASAP.

Thanks,
Rafael
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