linux-kernel - Re: [PATCH] KVM: arm64: Pass level hint to TLBI during stage-2 permission fault

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Message-Id: <160162675379.1930042.14641926420921373250.b4-ty@kernel.org>
Date:   Fri,  2 Oct 2020 09:20:01 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     kvmarm@...ts.cs.columbia.edu, David Brazdil <dbrazdil@...gle.com>,
        Will Deacon <will@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Dennis Zhou <dennis@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Tejun Heo <tj@...nel.org>, kernel-team@...roid.com,
        Christoph Lameter <cl@...ux.com>
Subject: Re: [PATCH] KVM: arm64: Pass level hint to TLBI during stage-2 permission fault

On Wed, 30 Sep 2020 14:18:01 +0100, Will Deacon wrote:
> Alex pointed out that we don't pass a level hint to the TLBI instruction
> when handling a stage-2 permission fault, even though the walker does
> at some point have the level information in its hands.
> 
> Rework stage2_update_leaf_attrs() so that it can optionally return the
> level of the updated pte to its caller, which can in turn be used to
> provide the correct TLBI level hint.

Applied to next, thanks!

[1/1] KVM: arm64: Pass level hint to TLBI during stage-2 permission fault
      commit: b259d137e91d80bf92eac453ffab179eb7941ede

Cheers,

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