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From cb974f2f9a0c5b9520b6ac80bd1d1e4a6b12bbdc Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
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Date: Thu, 15 Dec 2022 12:31:33 +0100
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Subject: [PATCH 01/14] vdpa: use v->shadow_vqs_enabled in
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vhost_vdpa_svqs_start & stop
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Eugenio Pérez <eperezma@redhat.com>
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RH-MergeRequest: 136: vDPA ASID support in Qemu
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RH-Bugzilla: 2104412
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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RH-Acked-by: Cindy Lu <lulu@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Commit: [1/13] f0db50a95f87dd011418617be7b80aa6813a1146 (eperezmartin/qemu-kvm)
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This function used to trust in v->shadow_vqs != NULL to know if it must
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start svq or not.
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This is not going to be valid anymore, as qemu is going to allocate svq
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array unconditionally (but it will only start them conditionally).
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Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
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Acked-by: Jason Wang <jasowang@redhat.com>
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Message-Id: <20221215113144.322011-2-eperezma@redhat.com>
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Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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(cherry picked from commit 712c1a3171cf62d501dac5af58f77d5fea70350d)
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---
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hw/virtio/vhost-vdpa.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
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index c5be2645b0..44e6a9b7b3 100644
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--- a/hw/virtio/vhost-vdpa.c
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+++ b/hw/virtio/vhost-vdpa.c
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@@ -1036,7 +1036,7 @@ static bool vhost_vdpa_svqs_start(struct vhost_dev *dev)
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Error *err = NULL;
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unsigned i;
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- if (!v->shadow_vqs) {
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+ if (!v->shadow_vqs_enabled) {
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return true;
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}
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@@ -1089,7 +1089,7 @@ static void vhost_vdpa_svqs_stop(struct vhost_dev *dev)
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{
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struct vhost_vdpa *v = dev->opaque;
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- if (!v->shadow_vqs) {
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+ if (!v->shadow_vqs_enabled) {
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return;
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}
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--
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2.31.1
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