From: Stas Sergeev <stsp@list.ru>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Linux kernel <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
X86 ML <x86@kernel.org>, Borislav Petkov <bp@suse.de>,
Brian Gerst <brgerst@gmail.com>, Oleg Nesterov <oleg@redhat.com>,
Richard Weinberger <richard@nod.at>
Subject: Re: [PATCH 3/4] x86: signal: unify the sigaltstack check with other arches
Date: Sun, 31 Jan 2016 21:03:49 +0300 [thread overview]
Message-ID: <56AE4C85.1040505@list.ru> (raw)
In-Reply-To: <CALCETrUzOqVSHcGhLOTwOH-bA-BV0ab0DVHgS0RRJtW-FAq-3g@mail.gmail.com>
31.01.2016 19:58, Andy Lutomirski пишет:
> On Sun, Jan 31, 2016 at 8:24 AM, Stas Sergeev <stsp@list.ru> wrote:
>> Currently x86's get_sigframe() checks for "current->sas_ss_size"
>> to determine whether there is a need to switch to sigaltstack.
>> The common practice used by all other arches is to check for
>> sas_ss_flags(sp) == 0
>>
>> This patch makes the code consistent with other arches and also
>> allows for the further sigaltstack improvements within this patch serie.
> You've duplicate part of the check. That whole block is already
> checking !sigstack. Can you remove that now?
OK.
next prev parent reply other threads:[~2016-01-31 18:04 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-31 16:16 [PATCH 0/4] make sigaltstack() compatible with swapcontext() Stas Sergeev
2016-01-31 16:16 ` Stas Sergeev
2016-01-31 16:21 ` [PATCH 2/4] score: signal: fix sigaltstack check Stas Sergeev
2016-02-02 19:07 ` Lennox Wu
2016-01-31 16:24 ` [PATCH 3/4] x86: signal: unify the sigaltstack check with other arches Stas Sergeev
2016-01-31 16:58 ` Andy Lutomirski
2016-01-31 18:03 ` Stas Sergeev [this message]
[not found] ` <56AE3369.2090709-cmBhpYW9OiY@public.gmane.org>
2016-01-31 16:18 ` [PATCH 1/4] selftests: Add test for sigaltstack(SS_DISABLE) inside sighandler Stas Sergeev
2016-01-31 16:18 ` Stas Sergeev
2016-02-12 16:12 ` Shuah Khan
[not found] ` <56BE046D.4080203-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>
2016-02-12 16:17 ` Stas Sergeev
2016-02-12 16:17 ` Stas Sergeev
2016-01-31 16:28 ` [PATCH 4/4] sigaltstack: allow disabling and re-enabling sas within sighandler Stas Sergeev
2016-01-31 16:28 ` Stas Sergeev
[not found] ` <56AE3626.7080706-cmBhpYW9OiY@public.gmane.org>
2016-01-31 17:00 ` Andy Lutomirski
2016-01-31 17:00 ` Andy Lutomirski
2016-01-31 17:33 ` Stas Sergeev
[not found] ` <56AE4567.9000403-cmBhpYW9OiY@public.gmane.org>
2016-01-31 19:03 ` Andy Lutomirski
2016-01-31 19:03 ` Andy Lutomirski
[not found] ` <CALCETrUVODhNRwvbAfC0q3RVJAFw-ZFGhsww2uQsk3UZjLynnQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-31 20:08 ` Stas Sergeev
2016-01-31 20:08 ` Stas Sergeev
[not found] ` <56AE69AD.6090005-cmBhpYW9OiY@public.gmane.org>
2016-01-31 20:11 ` Andy Lutomirski
2016-01-31 20:11 ` Andy Lutomirski
[not found] ` <CALCETrXPYLqunBNxjS8bpmpg+jG_MXbSyZtUVK3X3m+pGSQ1Og-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-31 22:36 ` Stas Sergeev
2016-01-31 22:36 ` Stas Sergeev
[not found] ` <56AE8C80.6030408-cmBhpYW9OiY@public.gmane.org>
2016-01-31 22:44 ` Andy Lutomirski
2016-01-31 22:44 ` Andy Lutomirski
[not found] ` <CALCETrU2u7h98oqtMcgvU54j21-bpTfBXUEJNQO9r1w5FHc-HQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-01-31 23:45 ` Stas Sergeev
2016-01-31 23:45 ` Stas Sergeev
2016-02-01 16:06 ` Oleg Nesterov
2016-02-01 16:06 ` Oleg Nesterov
[not found] ` <20160201160625.GA18276-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-02-01 16:57 ` Stas Sergeev
2016-02-01 16:57 ` Stas Sergeev
[not found] ` <56AF8E89.5090400-cmBhpYW9OiY@public.gmane.org>
2016-02-01 17:27 ` Oleg Nesterov
2016-02-01 17:27 ` Oleg Nesterov
2016-02-01 17:09 ` Oleg Nesterov
2016-02-01 17:09 ` Oleg Nesterov
2016-02-01 17:26 ` Stas Sergeev
2016-02-01 18:04 ` Oleg Nesterov
[not found] ` <20160201180443.GA21064-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-02-01 18:16 ` Stas Sergeev
2016-02-01 18:16 ` Stas Sergeev
[not found] ` <56AFA0E2.1030302-cmBhpYW9OiY@public.gmane.org>
2016-02-01 18:28 ` Andy Lutomirski
2016-02-01 18:28 ` Andy Lutomirski
[not found] ` <CALCETrWv87BS5hH20qKd7WGuf6EAEb4f78Myq+6fqXgSJWoiew-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-01 18:40 ` Stas Sergeev
2016-02-01 18:40 ` Stas Sergeev
2016-02-01 18:52 ` Oleg Nesterov
2016-02-01 18:52 ` Oleg Nesterov
[not found] ` <20160201185223.GA21136-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-02-01 19:01 ` Stas Sergeev
2016-02-01 19:01 ` Stas Sergeev
2016-02-01 19:29 ` Oleg Nesterov
[not found] ` <20160201192936.GA21214-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-02-01 19:46 ` Stas Sergeev
2016-02-01 19:46 ` Stas Sergeev
2016-02-01 20:41 ` Oleg Nesterov
[not found] ` <20160201204114.GA21638-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-02-01 23:06 ` Stas Sergeev
2016-02-01 23:06 ` Stas Sergeev
-- strict thread matches above, loose matches on Subject: below --
2016-01-31 19:10 [PATCH v2 0/4] make sigaltstack() compatible with swapcontext() Stas Sergeev
2016-01-31 19:16 ` [PATCH 3/4] x86: signal: unify the sigaltstack check with other arches Stas Sergeev
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