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vhost-scsi: Enable VIRTIO_RING_F_EVENT_IDX

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It was disabled as a workaround. Now userspace bits work fine with it.
The broken version was not ever committed to QEMU, I guess the same is
true for nlkt.

So, let's enable it.

Signed-off-by: Asias He <asias@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Asias He 2013-05-07 14:51:49 +08:00 committed by Michael S. Tsirkin
parent 7542a6b0d2
commit a18cc42164
1 changed files with 1 additions and 7 deletions
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8
drivers/vhost/scsi.c
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@ -162,14 +162,8 @@ enum {
VHOST_SCSI_VQ_IO = 2,
};
/*
* VIRTIO_RING_F_EVENT_IDX seems broken. Not sure the bug is in
* kernel but disabling it helps.
* TODO: debug and remove the workaround.
*/
enum {
VHOST_SCSI_FEATURES = (VHOST_FEATURES & (~VIRTIO_RING_F_EVENT_IDX)) |
(1ULL << VIRTIO_SCSI_F_HOTPLUG)
VHOST_SCSI_FEATURES = VHOST_FEATURES | (1ULL << VIRTIO_SCSI_F_HOTPLUG)
};
#define VHOST_SCSI_MAX_TARGET 256