From: Shuah Khan <shuahkh-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>
To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Chunyan Zhang
<zhang.chunyan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Shuah Khan <shuahkh-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>
Subject: Re: [PATCH] selftests: memfd_test: Revised STACK_SIZE to make it 16-byte aligned
Date: Thu, 15 Oct 2015 07:50:05 -0600 [thread overview]
Message-ID: <561FAF0D.7040804@osg.samsung.com> (raw)
In-Reply-To: <8675019.20qUY4dC6X@wuerfel>
On 10/15/2015 02:44 AM, Arnd Bergmann wrote:
> On Thursday 01 October 2015 15:33:02 Chunyan Zhang wrote:
>> There is a mandate of 16-byte aligned stack on AArch64 [1], so the
>> STACK_SIZE here should also be 16-byte aligned, otherwise we would
>> get an error when calling clone().
>>
>> [1] http://lxr.free-electrons.com/source/arch/arm64/kernel/process.c#L265
>>
>> Signed-off-by: Chunyan Zhang <zhang.chunyan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
>>
>
> Acked-by: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
>
> This should probably also be marked
>
> Cc: stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
>
Thank you both. Now applied to linux-kselftest next for 4.4
-- Shuah
--
Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley)
shuahkh-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org | (970) 217-8978
prev parent reply other threads:[~2015-10-15 13:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-01 7:33 [PATCH] selftests: memfd_test: Revised STACK_SIZE to make it 16-byte aligned Chunyan Zhang
[not found] ` <1443684782-10898-1-git-send-email-zhang.chunyan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-10-15 3:22 ` Chunyan Zhang
2015-10-15 8:44 ` Arnd Bergmann
2015-10-15 13:50 ` Shuah Khan [this message]
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