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: <CA+55aFz_KF5p0LcxroCVJ5zPrUmthR6X0Q1YWKMepDYKn=J-sA@mail.gmail.com>
Date:	Thu, 13 Aug 2015 12:53:03 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andy Lutomirski <luto@...capital.net>,
	Pavel Emelyanov <xemul@...allels.com>,
	Cyrill Gorcunov <gorcunov@...il.com>
Cc:	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 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").

             Linus
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