Date:   Thu, 9 Dec 2021 11:09:31 +0000
From:   Will Deacon <will@kernel.org>
To:     Quentin Perret <qperret@google.com>
Cc:     Marc Zyngier <maz@kernel.org>, James Morse <james.morse@arm.com>,
        Alexandru Elisei <alexandru.elisei@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu,
        linux-kernel@vger.kernel.org, kernel-team@android.com
Subject: Re: [PATCH v3 04/15] KVM: arm64: Fixup hyp stage-1 refcount
Message-ID: <20211209110930.GA1912@willie-the-truck>
References: <20211201170411.1561936-1-qperret@google.com>
 <20211201170411.1561936-5-qperret@google.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20211201170411.1561936-5-qperret@google.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
Precedence: bulk

On Wed, Dec 01, 2021 at 05:03:58PM +0000, Quentin Perret wrote:
> In nVHE-protected mode, the hyp stage-1 page-table refcount is broken
> due to the lack of refcount support in the early allocator. Fix-up the
> refcount in the finalize walker, once the 'hyp_vmemmap' is up and running.
> 
> Signed-off-by: Quentin Perret <qperret@google.com>
> ---
>  arch/arm64/kvm/hyp/nvhe/setup.c | 21 ++++++++++++++++-----
>  1 file changed, 16 insertions(+), 5 deletions(-)

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

Will