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Message-ID: <a5fe536e045adb1c94bba39a47cb125740f079ca.camel@infradead.org>
Subject: Re: [PATCH v8 03/15] KVM: xen: mark guest pages dirty with the
 pfncache lock held
From:   David Woodhouse <dwmw2@infradead.org>
To:     Paul Durrant <paul@xen.org>,
        Sean Christopherson <seanjc@google.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org,
        "H. Peter Anvin" <hpa@zytor.com>, kvm@vger.kernel.org,
        linux-kernel@vger.kernel.org
Date:   Tue, 21 Nov 2023 21:49:52 +0000
In-Reply-To: <20231121180223.12484-4-paul@xen.org>
References: <20231121180223.12484-1-paul@xen.org>
         <20231121180223.12484-4-paul@xen.org>
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On Tue, 2023-11-21 at 18:02 +0000, Paul Durrant wrote:
> From: Paul Durrant <pdurrant@amazon.com>
>=20
> Sampling gpa and memslot from an unlocked pfncache may yield inconsistent
> values so, since there is no problem with calling mark_page_dirty_in_slot=
()
> with the pfncache lock held, relocate the calls in
> kvm_xen_update_runstate_guest() and kvm_xen_inject_pending_events()
> accordingly.
>=20
> Signed-off-by: Paul Durrant <pdurrant@amazon.com>

Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>

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