From: Christoffer Dall <christoffer.dall@linaro.org>
To: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
kvmarm@lists.cs.columbia.edu
Subject: Re: [PATCH 4/5] arm64: KVM: vgic-v2: Add GICV access from HYP
Date: Thu, 1 Sep 2016 15:28:59 +0200 [thread overview]
Message-ID: <20160901132859.GG10162@cbox> (raw)
In-Reply-To: <1471610295-1456-5-git-send-email-marc.zyngier@arm.com>
On Fri, Aug 19, 2016 at 01:38:14PM +0100, Marc Zyngier wrote:
> Now that we have the necessary infrastructure to handle MMIO accesses
> in HYP, perform the GICV access on behalf of the guest. This requires
> checking that the access is strictly 32bit, properly aligned, and
> falls within the expected range.
>
> When all condition are satisfied, we perform the access and tell
> the rest of the HYP code that the instruction has been correctly
> emulated.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
WARNING: multiple messages have this Message-ID (diff)
From: christoffer.dall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/5] arm64: KVM: vgic-v2: Add GICV access from HYP
Date: Thu, 1 Sep 2016 15:28:59 +0200 [thread overview]
Message-ID: <20160901132859.GG10162@cbox> (raw)
In-Reply-To: <1471610295-1456-5-git-send-email-marc.zyngier@arm.com>
On Fri, Aug 19, 2016 at 01:38:14PM +0100, Marc Zyngier wrote:
> Now that we have the necessary infrastructure to handle MMIO accesses
> in HYP, perform the GICV access on behalf of the guest. This requires
> checking that the access is strictly 32bit, properly aligned, and
> falls within the expected range.
>
> When all condition are satisfied, we perform the access and tell
> the rest of the HYP code that the instruction has been correctly
> emulated.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
next prev parent reply other threads:[~2016-09-01 13:28 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-19 12:38 [PATCH 0/5] arm64: KVM: vgic-v2: Allow unsafe GICV accesses Marc Zyngier
2016-08-19 12:38 ` Marc Zyngier
2016-08-19 12:38 ` [PATCH 1/5] arm/arm64: KVM: Don't BUG_ON if IT bits are set in ARM mode Marc Zyngier
2016-08-19 12:38 ` Marc Zyngier
2016-09-01 11:56 ` Christoffer Dall
2016-09-01 11:56 ` Christoffer Dall
2016-09-01 12:21 ` Marc Zyngier
2016-09-01 12:21 ` Marc Zyngier
2016-08-19 12:38 ` [PATCH 2/5] arm64: KVM: Allow kvm_skip_instr32 to be shared between kernel and HYP code Marc Zyngier
2016-08-19 12:38 ` Marc Zyngier
2016-09-01 12:09 ` Christoffer Dall
2016-09-01 12:09 ` Christoffer Dall
2016-09-01 12:23 ` Marc Zyngier
2016-09-01 12:23 ` Marc Zyngier
2016-09-01 12:45 ` Peter Maydell
2016-09-01 12:45 ` Peter Maydell
2016-08-19 12:38 ` [PATCH 3/5] arm64: KVM: vgic-v2: Add the GICV emulation infrastructure Marc Zyngier
2016-08-19 12:38 ` Marc Zyngier
2016-09-01 12:46 ` Christoffer Dall
2016-09-01 12:46 ` Christoffer Dall
2016-09-01 14:28 ` Marc Zyngier
2016-09-01 14:28 ` Marc Zyngier
2016-09-01 14:39 ` Peter Maydell
2016-09-01 14:39 ` Peter Maydell
2016-09-01 14:55 ` Christoffer Dall
2016-09-01 14:55 ` Christoffer Dall
2016-08-19 12:38 ` [PATCH 4/5] arm64: KVM: vgic-v2: Add GICV access from HYP Marc Zyngier
2016-08-19 12:38 ` Marc Zyngier
2016-09-01 13:28 ` Christoffer Dall [this message]
2016-09-01 13:28 ` Christoffer Dall
2016-08-19 12:38 ` [PATCH 5/5] arm64: KVM: vgic-v2: Enable GICV access from HYP if access from guest is unsafe Marc Zyngier
2016-08-19 12:38 ` Marc Zyngier
2016-08-19 12:53 ` Peter Maydell
2016-08-19 12:53 ` Peter Maydell
2016-08-19 13:05 ` Marc Zyngier
2016-08-19 13:05 ` Marc Zyngier
2016-08-19 13:31 ` Peter Maydell
2016-08-19 13:31 ` Peter Maydell
2016-08-19 14:54 ` Marc Zyngier
2016-08-19 14:54 ` Marc Zyngier
2016-09-01 13:30 ` Christoffer Dall
2016-09-01 13:30 ` Christoffer Dall
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