linux-kernel - Re: [ 05/48] x86_64, switch_to(): Load TLS descriptors before switching DS and ES

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Message-ID: <20150515164836.GA31325@1wt.eu>
Date:	Fri, 15 May 2015 18:48:36 +0200
From:	Willy Tarreau <w@....eu>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Ben Hutchings <ben@...adent.org.uk>, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org, Andy Lutomirski <luto@...capital.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [ 05/48] x86_64, switch_to(): Load TLS descriptors before switching DS and ES

On Fri, May 15, 2015 at 05:53:34PM +0200, Andi Kleen wrote:
> > 
> > v2.6.32.65:arch/x86/kernel/process_64.c:425:    /* Must be after DS reload */
> > 
> > If this comment is correct then the patch will cause a regression for
> > FPU state management.  The comment was introduced by:
> 
> Yes I already stated before that these super-risky patches
> are not stable material.

OK thank you Andi, I'm dropping it from -32 then.

Willy

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