linux-kernel - Re: [PATCH v3 09/11] kvm: arm64: Mark hyp stack pages reserved

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Message-ID: <20200922180820.gmt6ryhjj7gepqiu@google.com>
Date:   Tue, 22 Sep 2020 19:08:20 +0100
From:   David Brazdil <dbrazdil@...gle.com>
To:     Will Deacon <will@...nel.org>
Cc:     kvmarm@...ts.cs.columbia.edu,
        Catalin Marinas <catalin.marinas@....com>,
        Marc Zyngier <maz@...nel.org>,
        James Morse <james.morse@....com>,
        Julien Thierry <julien.thierry.kdev@...il.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Dennis Zhou <dennis@...nel.org>, Tejun Heo <tj@...nel.org>,
        Christoph Lameter <cl@...ux.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel-team@...roid.com
Subject: Re: [PATCH v3 09/11] kvm: arm64: Mark hyp stack pages reserved

On Fri, Sep 18, 2020 at 01:00:44PM +0100, Will Deacon wrote:
> On Wed, Sep 16, 2020 at 06:34:37PM +0100, David Brazdil wrote:
> > In preparation for unmapping hyp pages from host stage-2, allocate/free hyp
> > stack using new helpers which automatically mark the pages reserved.
> 
> Given that this series doesn't get us that the point of having a stage-2 for
> the host, I don't see why we need this part yet.
> 
> Will

Dropped