linux-kernel - Re: [PATCH v3 19/23] arm64: KVM: Move most of the fault decoding to C

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Message-ID: <20160208144430.GO6076@e104818-lin.cambridge.arm.com>
Date:	Mon, 8 Feb 2016 14:44:31 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	Marc Zyngier <marc.zyngier@....com>
Cc:	Will Deacon <will.deacon@....com>,
	Christoffer Dall <christoffer.dall@...aro.org>,
	kvmarm@...ts.cs.columbia.edu, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, kvm@...r.kernel.org
Subject: Re: [PATCH v3 19/23] arm64: KVM: Move most of the fault decoding to C

On Wed, Feb 03, 2016 at 06:00:12PM +0000, Marc Zyngier wrote:
> The fault decoding process (including computing the IPA in the case
> of a permission fault) would be much better done in C code, as we
> have a reasonable infrastructure to deal with the VHE/non-VHE
> differences.
> 
> Let's move the whole thing to C, including the workaround for
> erratum 834220, and just patch the odd ESR_EL2 access remaining
> in hyp-entry.S.
> 
> Signed-off-by: Marc Zyngier <marc.zyngier@....com>

Acked-by: Catalin Marinas <catalin.marinas@....com>