linux-kernel - Re: [PATCH v2 09/21] arm64: KVM: VHE: Differenciate host/guest sysreg save/restore

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Message-ID: <20160201135933.GQ1478@cbox>
Date:	Mon, 1 Feb 2016 14:59:33 +0100
From:	Christoffer Dall <christoffer.dall@...aro.org>
To:	Marc Zyngier <marc.zyngier@....com>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org, kvmarm@...ts.cs.columbia.edu
Subject: Re: [PATCH v2 09/21] arm64: KVM: VHE: Differenciate host/guest
 sysreg save/restore

On Mon, Jan 25, 2016 at 03:53:43PM +0000, Marc Zyngier wrote:
> With ARMv8, host and guest share the same system register file,
> making the save/restore procedure completely symetrical.
> With VHE, host and guest now have different requirements, as they
> use different sysregs.
> 
> In order to prepare for this, add split sysreg save/restore functions
> for both host and guest. No functionnal change yet.
> 
> Signed-off-by: Marc Zyngier <marc.zyngier@....com>

Acked-by: Christoffer Dall <christoffer.dall@...aro.org>