linux-kernel - Re: [PATCH v3 22/23] arm64: VHE: Add support for running Linux in EL2 mode

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Message-ID: <20160208155804.GR6076@e104818-lin.cambridge.arm.com>
Date:	Mon, 8 Feb 2016 15:58:04 +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 22/23] arm64: VHE: Add support for running Linux in
 EL2 mode

On Wed, Feb 03, 2016 at 06:00:15PM +0000, Marc Zyngier wrote:
> With ARMv8.1 VHE, the architecture is able to (almost) transparently
> run the kernel at EL2, despite being written for EL1.
> 
> This patch takes care of the "almost" part, mostly preventing the kernel
> from dropping from EL2 to EL1, and setting up the HYP configuration.
> 
> Signed-off-by: Marc Zyngier <marc.zyngier@....com>

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