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From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Tue, 09 Jan 2018 12:17:00 -0000
Message-ID: <CAMe9rOokyNmCO0g7mAYDAXT0sv34W9eMEnAQbU+oqhCw2=eDqg@mail.gmail.com>
Subject: Re: [PATCH 1/2] Linux/x86: Update cancel_jmp_buf to match
 __jmp_buf_tag [BZ #22563]
To: Florian Weimer <fweimer@redhat.com>, "Tsimbalist, Igor V" <igor.v.tsimbalist@intel.com>, 
	"Senkevich, Andrew" <andrew.senkevich@intel.com>
Cc: Andreas Schwab <schwab@suse.de>, GNU C Library <libc-alpha@sourceware.org>
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X-SW-Source: 2018-01/txt/msg00272.txt.bz2

On Tue, Jan 9, 2018 at 2:47 AM, Florian Weimer <fweimer@redhat.com> wrote:
> On 12/18/2017 03:48 PM, H.J. Lu wrote:
>>
>> On Mon, Dec 18, 2017 at 6:44 AM, Andreas Schwab <schwab@suse.de> wrote:
>>>
>>> On Dez 18 2017, "H.J. Lu" <hjl.tools@gmail.com> wrote:
>>>
>>>> This patch adds bits/types/__cancel_jmp_buf_tag.h to define struct
>>>> __cancel_jmp_buf_tag so that Linux/x86 can add saved_mask to
>>>> cancel_jmp_buf.
>>>
>>>
>>> Isn't that an ABI change?
>>>
>>
>> Yes, this change is exposed to application via <phread.h>.  The backward
>> binary compatibility is provided by
>>
>> https://sourceware.org/ml/libc-alpha/2017-12/msg00208.html
>
>
> This doesn't seem to work:
>
> <https://sourceware.org/ml/libc-alpha/2018-01/msg00178.html>
>
> I have no idea what is going on, but if we can't find the root cause, I
> think we should revert all the setjmp changes.

Hi Andrew, Igor,

Please investigate to find out what happened.

Thanks.

-- 
H.J.