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Subject: [OASIS Issue Tracker] (VIRTIO-144) VIRTIO_BLK_F_CONFIG_WCE removed from block devices spec
Paolo Bonzini created VIRTIO-144: ------------------------------------ Summary: VIRTIO_BLK_F_CONFIG_WCE removed from block devices spec Key: VIRTIO-144 URL: https://issues.oasis-open.org/browse/VIRTIO-144 Project: OASIS Virtual I/O Device (VIRTIO) TC Issue Type: Bug Affects Versions: virtio 1.0 cs02 Reporter: Paolo Bonzini Priority: Critical VIRTIO_BLK_F_CONFIG_WCE is important in order to achieve good performance (up to 2x, though more realistically +30-40%) in latency-bound workloads. However, it was removed by mistake together with VIRTIO_BLK_F_FLUSH. The lack of this feature means that virtio 1.0 cs02 does not achieve parity with 0.9. -- This message was sent by Atlassian JIRA (v6.2.2#6258)
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