From mboxrd@z Thu Jan  1 00:00:00 1970
From: catalin.marinas@arm.com (Catalin Marinas)
Date: Tue, 17 Nov 2015 11:11:38 +0000
Subject: [PATCH] arm64: mm: use correct mapping granularity under
 DEBUG_RODATA
In-Reply-To: <CAKv+Gu9oeuF-5Q=EoD+=QTAh6mk1QDD1QfffN21zoELhsfO1wA@mail.gmail.com>
References: <1447669094-31076-1-git-send-email-ard.biesheuvel@linaro.org>
 <20151116115740.GD20696@leverpostej>
 <CAKv+Gu9ZoRx8i8ppNxiuS9FfRONzLK5TVPe33W-dirfO702zOQ@mail.gmail.com>
 <20151116121628.GG20696@leverpostej>
 <CAKv+Gu9oeuF-5Q=EoD+=QTAh6mk1QDD1QfffN21zoELhsfO1wA@mail.gmail.com>
Message-ID: <20151117111137.GG6556@e104818-lin.cambridge.arm.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Mon, Nov 16, 2015 at 01:18:47PM +0100, Ard Biesheuvel wrote:
> On 16 November 2015 at 13:16, Mark Rutland <mark.rutland@arm.com> wrote:
> >> > Does this need to be backported to stable?
> >>
> >> It should be fixed in stable, I think, but SWAPPER_BLOCK_SIZE is new
> >> in v4.4 so we'd need another patch anyway.
> >
> > I was hoping 87d1587bef394cd8 ("arm64: Move swapper pagetable
> > definitions") would backport easily. I just had a go and that's not the
> > case, and the conflict is non-trivial.
> >
> > Regardless, we should probably mark this with a fixes tag so it doesn't
> > get lost:
> >
> > Fixes: da141706aea52c1a ("arm64: add better page protections to arm64")
> 
> Indeed.
> 
> For the backported version, we can just add a #define
> SWAPPER_BLOCK_SIZE to mmu.c

Patch applied with a fixes tag. I assume you'll prepare a fix for stable
when Greg pings us.

Thanks.

-- 
Catalin