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virtio: core: vq reset feature negotation support

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A a new command line parameter "queue_reset" is added.

Meanwhile, the vq reset feature is disabled for pre-7.2 machines.

Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221017092558.111082-5-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Kangjie Xu 2022-10-17 17:25:47 +08:00 • committed by Michael S. Tsirkin
parent 3c37f8b8d1
commit 69e1c14aa2
2 changed files with 6 additions and 2 deletions
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4
hw/core/machine.c
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@ -40,7 +40,9 @@
#include "hw/virtio/virtio-pci.h"
#include "qom/object_interfaces.h"
GlobalProperty hw_compat_7_1[] = {};
GlobalProperty hw_compat_7_1[] = {
{ "virtio-device", "queue_reset", "false" },
};
const size_t hw_compat_7_1_len = G_N_ELEMENTS(hw_compat_7_1);
GlobalProperty hw_compat_7_0[] = {