From mboxrd@z Thu Jan  1 00:00:00 1970
From: marc.zyngier@arm.com (Marc Zyngier)
Date: Wed, 17 Aug 2016 11:05:29 +0100
Subject: [PATCH v2] kvm: arm: Enforce some NS-SVC initialisation
In-Reply-To: <6d030bee2db08c2fe1b7569e692e8f66800b1e4c.1471369569.git.robin.murphy@arm.com>
References: <5322cdb9cb397741d15b60c6693ad39dbf74b6d5.1469101945.git.robin.murphy@arm.com>
 <6d030bee2db08c2fe1b7569e692e8f66800b1e4c.1471369569.git.robin.murphy@arm.com>
Message-ID: <57B436E9.5050607@arm.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 16/08/16 18:49, Robin Murphy wrote:
> Since the non-secure copies of banked registers lack architecturally
> defined reset values, there is no actual guarantee when entering in Hyp
> from secure-only firmware that the Non-Secure PL1 state will look the
> way that kernel entry (in particular the decompressor stub) expects.
> So far, we've been getting away with it thanks to implementation details
> of ARMv7 cores and/or bootloader behaviour, but for the sake of forwards
> compatibility let's try to ensure that we have a minimally sane state
> before dropping down into it.
> 
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>

Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>

	M.
-- 
Jazz is not dead. It just smells funny...