From: Christoffer Dall <cdall@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] arm64: KVM: Fix decoding of Rt/Rt2 when trapping AArch32 CP accesses
Date: Tue, 2 May 2017 09:30:26 +0200 [thread overview]
Message-ID: <20170502073026.GD16940@cbox> (raw)
In-Reply-To: <20170427180648.25159-1-marc.zyngier@arm.com>
On Thu, Apr 27, 2017 at 07:06:48PM +0100, Marc Zyngier wrote:
> Our 32bit CP14/15 handling inherited some of the ARMv7 code for handling
> the trapped system registers, completely missing the fact that the
> fields for Rt and Rt2 are now 5 bit wide, and not 4...
>
> Let's fix it, and provide an accessor for the most common Rt case.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Christoffer Dall <cdall@linaro.org>
Aplied to kvmarm/queue.
Thanks,
-Christoffer
WARNING: multiple messages have this Message-ID (diff)
From: cdall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: KVM: Fix decoding of Rt/Rt2 when trapping AArch32 CP accesses
Date: Tue, 2 May 2017 09:30:26 +0200 [thread overview]
Message-ID: <20170502073026.GD16940@cbox> (raw)
In-Reply-To: <20170427180648.25159-1-marc.zyngier@arm.com>
On Thu, Apr 27, 2017 at 07:06:48PM +0100, Marc Zyngier wrote:
> Our 32bit CP14/15 handling inherited some of the ARMv7 code for handling
> the trapped system registers, completely missing the fact that the
> fields for Rt and Rt2 are now 5 bit wide, and not 4...
>
> Let's fix it, and provide an accessor for the most common Rt case.
>
> Cc: stable at vger.kernel.org
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Christoffer Dall <cdall@linaro.org>
Aplied to kvmarm/queue.
Thanks,
-Christoffer
next prev parent reply other threads:[~2017-05-02 7:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-27 18:06 [PATCH] arm64: KVM: Fix decoding of Rt/Rt2 when trapping AArch32 CP accesses Marc Zyngier
2017-04-27 18:06 ` Marc Zyngier
2017-05-02 7:30 ` Christoffer Dall [this message]
2017-05-02 7:30 ` Christoffer Dall
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