linux-kernel - Re: [PATCH v4 05/22] arm64: kvm: deal with kernel symbols outside of linear mapping

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Message-ID: <56A7B0A0.3020003@arm.com>
Date:	Tue, 26 Jan 2016 17:45:04 +0000
From:	Marc Zyngier <marc.zyngier@....com>
To:	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	linux-arm-kernel@...ts.infradead.org,
	kernel-hardening@...ts.openwall.com, will.deacon@....com,
	catalin.marinas@....com, mark.rutland@....com,
	leif.lindholm@...aro.org, keescook@...omium.org,
	linux-kernel@...r.kernel.org
Cc:	stuart.yoder@...escale.com, bhupesh.sharma@...escale.com,
	arnd@...db.de, christoffer.dall@...aro.org,
	labbott@...oraproject.org, matt@...eblueprint.co.uk
Subject: Re: [PATCH v4 05/22] arm64: kvm: deal with kernel symbols outside of
 linear mapping

On 26/01/16 17:10, Ard Biesheuvel wrote:
> KVM on arm64 uses a fixed offset between the linear mapping at EL1 and
> the HYP mapping at EL2. Before we can move the kernel virtual mapping
> out of the linear mapping, we have to make sure that references to kernel
> symbols that are accessed via the HYP mapping are translated to their
> linear equivalent.
> 
> Reviewed-by: Mark Rutland <mark.rutland@....com>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@...aro.org>

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

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