From: afzal mohammed <afzal.mohd.ma@gmail•com>
To: Vladimir Murzin <vladimir.murzin@arm•com>, linux@armlinux•org.uk
Cc: sza@esh•hu, linux-arm-kernel@lists•infradead.org,
alexandre.torgue@st•com
Subject: Re: [PATCH] ARM: NOMMU: Fix exc_ret for XIP
Date: Fri, 4 Oct 2019 06:26:16 +0530 [thread overview]
Message-ID: <20191004005616.GA7046@afzalpc> (raw)
In-Reply-To: <1570102888-13426-1-git-send-email-vladimir.murzin@arm.com>
On Thu, Oct 03, 2019 at 12:41:28PM +0100, Vladimir Murzin wrote:
> It was reported that 72cd4064fcca "NOMMU: Toggle only bits in
> EXC_RETURN we are really care of" breaks NOMMU+XIP combination.
> It happens because saved EXC_RETURN gets overwritten when data
> section is relocated.
>
> The fix is to propagate EXC_RETURN via register and let relocation
> code to commit that value into memory.
>
> Fixes: 72cd4064fcca ("ARM: 8830/1: NOMMU: Toggle only bits in EXC_RETURN we are really care of")
Thanks Vladimir, cc stable as well ?
Regards
afzal
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next prev parent reply other threads:[~2019-10-04 0:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-03 11:41 [PATCH] ARM: NOMMU: Fix exc_ret for XIP Vladimir Murzin
2019-10-04 0:56 ` afzal mohammed [this message]
2019-10-04 10:35 ` Vladimir Murzin
2019-10-12 6:37 ` afzal mohammed
2019-10-12 7:24 ` Russell King - ARM Linux admin
2019-10-12 9:20 ` afzal mohammed
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