From: David Woodhouse <dwmw2@infradead.org>
To: Paul Durrant <paul@xen.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Paul Durrant <pdurrant@amazon.com>, Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH v2 05/12] KVM: pfncache: allow a cache to be activated with a fixed (userspace) HVA
Date: Mon, 18 Sep 2023 12:34:49 +0100 [thread overview]
Message-ID: <e4ac95d3370b997c17ce6924425d693a7e856c7e.camel@infradead.org> (raw)
In-Reply-To: <20230918112148.28855-6-paul@xen.org>
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On Mon, 2023-09-18 at 11:21 +0000, Paul Durrant wrote:
> From: Paul Durrant <pdurrant@amazon.com>
>
> Some cached pages may actually be overlays on guest memory that have a
> fixed HVA within the VMM. It's pointless to invalidate such cached
> mappings if the overlay is moved so allow a cache to be activated directly
> with the HVA to cater for such cases. A subsequent patch will make use
> of this facility.
>
> Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Btw, I think you have falsified some Reviewed-by: tags on the rest of
the series. Remember, if they aren't literally cut and pasted, the
magic gets lost. Just the same as Signed-off-by: tags. Never type them
for someone else.
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next prev parent reply other threads:[~2023-09-18 11:36 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-18 11:21 [PATCH v2 00/12] KVM: xen: update shared_info and vcpu_info handling Paul Durrant
2023-09-18 11:21 ` [PATCH v2 01/12] KVM: pfncache: add a map helper function Paul Durrant
2023-09-18 11:21 ` [PATCH v2 02/12] KVM: pfncache: add a mark-dirty helper Paul Durrant
2023-09-18 11:21 ` [PATCH v2 03/12] KVM: pfncache: add a helper to get the gpa Paul Durrant
2023-09-18 11:21 ` [PATCH v2 04/12] KVM: pfncache: base offset check on khva rather than gpa Paul Durrant
2023-09-18 11:21 ` [PATCH v2 05/12] KVM: pfncache: allow a cache to be activated with a fixed (userspace) HVA Paul Durrant
2023-09-18 11:34 ` David Woodhouse [this message]
2023-09-18 12:11 ` Paul Durrant
2023-09-18 12:59 ` David Woodhouse
2023-09-18 13:00 ` Paul Durrant
2023-09-18 11:21 ` [PATCH v2 06/12] KVM: xen: allow shared_info to be mapped by fixed HVA Paul Durrant
2023-09-18 11:21 ` [PATCH v2 07/12] KVM: xen: prepare for using 'default' vcpu_info Paul Durrant
2023-09-18 11:21 ` [PATCH v2 08/12] KVM: xen: automatically use the vcpu_info embedded in shared_info Paul Durrant
2023-09-18 11:49 ` David Woodhouse
2023-09-18 12:15 ` Paul Durrant
2023-09-18 11:21 ` [PATCH v2 09/12] KVM: selftests / xen: set KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID Paul Durrant
2023-09-18 11:59 ` David Woodhouse
2023-09-18 12:18 ` Paul Durrant
2023-09-18 12:26 ` David Woodhouse
2023-09-18 11:21 ` [PATCH v2 10/12] KVM: selftests / xen: map shared_info using HVA rather than GFN Paul Durrant
2023-09-18 13:19 ` David Woodhouse
2023-09-18 13:24 ` Paul Durrant
2023-09-18 13:30 ` David Woodhouse
2023-09-18 11:21 ` [PATCH v2 11/12] KVM: selftests / xen: don't explicitly set the vcpu_info address Paul Durrant
2023-09-18 13:21 ` David Woodhouse
2023-09-18 13:26 ` Paul Durrant
2023-09-18 13:36 ` David Woodhouse
2023-09-18 13:41 ` Paul Durrant
2023-09-18 14:05 ` David Woodhouse
2023-09-18 14:14 ` Paul Durrant
2023-09-18 11:21 ` [PATCH v2 12/12] KVM: xen: advertize the KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA capability Paul Durrant
2023-09-18 13:22 ` David Woodhouse
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