From: Marc Zyngier <maz@kernel.org>
To: Alexander Graf <graf@amazon.com>, kvmarm@lists.cs.columbia.edu
Cc: linux-kernel@vger.kernel.org, kernel-team@android.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] KVM: arm64: Change default caching mode for {PEND, PROP}BASER.outer
Date: Sun, 5 Jul 2020 19:18:03 +0100 [thread overview]
Message-ID: <159397301833.254690.3043556347352831821.b4-ty@kernel.org> (raw)
In-Reply-To: <20200701140206.8664-1-graf@amazon.com>
On Wed, 1 Jul 2020 16:02:06 +0200, Alexander Graf wrote:
> PENDBASER and PROPBASER define the outer caching mode for LPI tables.
> The memory backing them may not be outer sharable, so we mark them as nC
> by default. This however, breaks Windows on ARM which only accepts
> SameAsInner or RaWaWb as values for outer cachability.
>
> We do today already allow the outer mode to be set to SameAsInner
> explicitly, so the easy fix is to default to that instead of nC for
> situations when an OS asks for a not fulfillable cachability request.
>
> [...]
Applied to kvm-arm64/next-5.9, thanks!
[1/1] KVM: arm64: vgic-its: Change default outer cacheability for {PEND, PROP}BASER
commit: 731532176716e2775a5d21115bb9c5c61e0cb704
Cheers,
M.
--
Without deviation from the norm, progress is not possible.
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prev parent reply other threads:[~2020-07-05 18:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 14:02 [PATCH] KVM: arm64: Change default caching mode for {PEND, PROP}BASER.outer Alexander Graf
2020-07-05 18:11 ` Marc Zyngier
2020-07-05 18:18 ` Marc Zyngier [this message]
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