linux-kernel - Re: [regression] x86/signal/64: Fix SS handling for signals delivered to 64-bit programs breaks dosemu

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Message-ID: <20150813200823.GS2059@uranus>
Date:	Thu, 13 Aug 2015 23:08:23 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andy Lutomirski <luto@...capital.net>,
	Pavel Emelyanov <xemul@...allels.com>,
	Stas Sergeev <stsp@...t.ru>,
	Linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [regression] x86/signal/64: Fix SS handling for signals
 delivered to 64-bit programs breaks dosemu

On Thu, Aug 13, 2015 at 12:53:03PM -0700, Linus Torvalds wrote:
> On Thu, Aug 13, 2015 at 11:41 AM, Andy Lutomirski <luto@...capital.net> wrote:
> > On Thu, Aug 13, 2015 at 11:35 AM, Linus Torvalds
> > <torvalds@...ux-foundation.org> wrote:
> >>
> >> Ok. So I'm inclined to do the bigger revert, just to fix the compile
> >> issue. It would be crazy to force some silly autoconf script for
> >> random header info.
> >
> > Yeah, probably makes sense, but one of us should explicitly test CRIU
> > (both new and old versions) on the result.  CRIU does interesting
> > things involving sigcontext and protocol buffers.
> 
> I've reverted it in the -git tree, I'm adding Pavel and Cyrill to the
> cc, to see if they can check the impact on CRIU..
> 
> Pavel/Cyrill? Current top-of-tree (but that will change) commit
> ed596cde9425 ("Revert x86 sigcontext cleanups").

If only I'm not missin something obvious this should not hurt us.
But I gonna build test kernel and check to be sure tomorrow, ok?
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