linux-kernel - Re: [PATCH] KVM: arm64: Resolve all pending PC updates before immediate exit

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Message-Id: <162210811963.2571441.8247846241479651886.b4-ty@kernel.org>
Date:   Thu, 27 May 2021 10:36:58 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Zenghui Yu <yuzenghui@...wei.com>, kvmarm@...ts.cs.columbia.edu,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     stable@...r.kernel.org
Subject: Re: [PATCH] KVM: arm64: Resolve all pending PC updates before immediate exit

On Wed, 26 May 2021 22:18:31 +0800, Zenghui Yu wrote:
> Commit 26778aaa134a ("KVM: arm64: Commit pending PC adjustemnts before
> returning to userspace") fixed the PC updating issue by forcing an explicit
> synchronisation of the exception state on vcpu exit to userspace.
> 
> However, we forgot to take into account the case where immediate_exit is
> set by userspace and KVM_RUN will exit immediately. Fix it by resolving all
> pending PC updates before returning to userspace.
> 
> [...]

Applied to fixes, thanks!

[1/1] KVM: arm64: Resolve all pending PC updates before immediate exit
      commit: e3e880bb1518eb10a4b4bb4344ed614d6856f190

with:
Fixes: 26778aaa134a ("KVM: arm64: Commit pending PC adjustemnts before returning to userspace")
Cc: stable@...r.kernel.org # 5.11

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.