linux-kernel - Re: [PATCH] KVM: arm64: Fix masks in stage2_pte

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Message-Id: <160400571841.9348.3202358449739872177.b4-ty@kernel.org>
Date:   Thu, 29 Oct 2020 21:09:18 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     kvmarm@...ts.cs.columbia.edu, Gavin Shan <gshan@...hat.com>,
        Will Deacon <will@...nel.org>
Cc:     shan.gavin@...il.com, linux-kernel@...r.kernel.org,
        kernel-team@...roid.com
Subject: Re: [PATCH] KVM: arm64: Fix masks in stage2_pte_cacheable()

On Thu, 29 Oct 2020 14:47:16 +0000, Will Deacon wrote:
> stage2_pte_cacheable() tries to figure out whether the mapping installed
> in its 'pte' parameter is cacheable or not. Unfortunately, it fails
> miserably because it extracts the memory attributes from the entry using
> FIELD_GET(), which returns the attributes shifted down to bit 0, but then
> compares this with the unshifted value generated by the PAGE_S2_MEMATTR()
> macro.
> 
> [...]

Applied to next, thanks!

[1/1] KVM: arm64: Fix masks in stage2_pte_cacheable()
      commit: e2fc6a9f686d037cbd9b08b9fb657685b4a722d3

Cheers,

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