linux-kernel - Re: [PATCH v6 14/19] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

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Message-ID: <2623148.F7bGmbuQQh@wuerfel>
Date:	Wed, 02 Dec 2015 14:46:32 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Yury Norov <ynorov@...iumnetworks.com>, pinskia@...il.com,
	Prasun.Kapoor@...iumnetworks.com, catalin.marinas@....com,
	Nathan_Lynch@...tor.com, linux-kernel@...r.kernel.org,
	agraf@...e.de, klimov.linux@...il.com, broonie@...nel.org,
	jan.dakinevich@...il.com, joseph@...esourcery.com,
	ddaney.cavm@...il.com, schwab@...e.de, bamvor.zhangjian@...wei.com,
	philipp.tomsich@...obroma-systems.com, andrey.konovalov@...aro.org,
	christoph.muellner@...obroma-systems.com
Subject: Re: [PATCH v6 14/19] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

On Wednesday 02 December 2015 13:35:22 Yury Norov wrote:
> On Wed, Dec 02, 2015 at 09:37:05AM +0100, Arnd Bergmann wrote:
> > The 4*PAGE_SIZE on ARM is an architecture specific oddity, I believe
> > to work around aliasing caches on ARMv6. As no other architecture does
> > this, we're probably better off not duplicating it for aarch64-ilp32
> > and just use sys_shmat as your v6 patch does.
> >       Arnd
> 
> If you feel ARMv6 fix for caches will come soon, just ignore it.
> Otherwise, please pull it because compat_sys_shmat is broken now
> for 64K pages.
> 
> Signed-off-by: Yury Norov <ynorov@...iumnetworks.com>
> 

Sounds good. Will, do you want to take this for the arm64 tree.

Acked-by: Arnd Bergmann <arnd@...db.de>
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