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Date:   Mon, 21 Nov 2022 18:09:02 +0000
From:   Will Deacon <will@kernel.org>
To:     Oliver Upton <oliver.upton@linux.dev>
Cc:     Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
        Alexandru Elisei <alexandru.elisei@arm.com>,
        linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu,
        kvm@vger.kernel.org, kvmarm@lists.linux.dev
Subject: Re: [PATCH v4 0/3] KVM: arm64: Fixes for parallel faults series
Message-ID: <20221121180901.GC7645@willie-the-truck>
References: <20221118182222.3932898-1-oliver.upton@linux.dev>
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On Fri, Nov 18, 2022 at 06:22:19PM +0000, Oliver Upton wrote:
> Small set of fixes for the parallel faults series. Most importantly,
> stop taking the RCU read lock for walking hyp stage-1. For the sake of
> consistency, take a pointer to kvm_pgtable_walker in
> kvm_dereference_pteref() as well.
> 
> Tested on an Ampere Altra system with kvm-arm.mode={nvhe,protected} and
> lockdep. Applies on top of the parallel faults series picked up last
> week.
> 
> v3: https://lore.kernel.org/kvmarm/20221116165655.2649475-1-oliver.upton@linux.dev/
> 
> v3 -> v4:
>  - Return an error instead of WARN() in hyp for shared walks (Will)

For the series:

Acked-by: Will Deacon <will@kernel.org>

Thanks!

Will