From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Chunyan Zhang <zhang.chunyan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: shuahkh-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] selftests: memfd_test: Revised STACK_SIZE to make it 16-byte aligned
Date: Thu, 15 Oct 2015 10:44:15 +0200 [thread overview]
Message-ID: <8675019.20qUY4dC6X@wuerfel> (raw)
In-Reply-To: <1443684782-10898-1-git-send-email-zhang.chunyan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
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
next prev parent reply other threads:[~2015-10-15 8:44 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 [this message]
2015-10-15 13:50 ` Shuah Khan
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