From: Arnd Bergmann <arnd@arndb.de>
To: Andreas Schwab <schwab@suse.de>
Cc: Yury Norov <ynorov@caviumnetworks.com>,
        linux-arm-kernel@lists.infradead.org, pinskia@gmail.com,
        Prasun.Kapoor@caviumnetworks.com, catalin.marinas@arm.com,
        Nathan_Lynch@mentor.com, linux-kernel@vger.kernel.org, agraf@suse.de,
        klimov.linux@gmail.com, broonie@kernel.org, jan.dakinevich@gmail.com,
        joseph@codesourcery.com, ddaney.cavm@gmail.com,
        bamvor.zhangjian@huawei.com, philipp.tomsich@theobroma-systems.com,
        andrey.konovalov@linaro.org, christoph.muellner@theobroma-systems.com
Subject: Re: [PATCH v6 14/19] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it
Date: Tue, 01 Dec 2015 11:22:02 +0100
Message-ID: <2776283.xtmDQm6BqS@wuerfel>
User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; )
In-Reply-To: <87bnaafrt0.fsf@igel.home>
References: <1447795019-30176-1-git-send-email-ynorov@caviumnetworks.com> <20151130202141.GA23254@yury-N73SV> <87bnaafrt0.fsf@igel.home>
MIME-Version: 1.0
Content-Transfer-Encoding: 7Bit
Content-Type: text/plain; charset="us-ascii"
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 846
Lines: 21

On Tuesday 01 December 2015 10:20:59 Andreas Schwab wrote:
> Yury Norov <ynorov@caviumnetworks.com> writes:
> 
> > There's a tricky bug with signal stack, that Andreas also discovered.
> 
> That was only a confusion about the compat state of sys_rt_sigaction.
> It just requires making sure glibc uses the correct (64bit layout)
> struct kernel_sigaction.

I don't think we need to use the 64-bit version of sigaction, both
kernel and libc are simpler if we use the normal 32-bit version.

We should always default to using the generic 32-bit structures
unless there is a strong reason not to.

	Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/