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Subject: [OASIS Issue Tracker] (VIRTIO-13) Remove VIRTIO_F_NOTIFY_ON_EMPTY?
[ https://tools.oasis-open.org/issues/browse/VIRTIO-13?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Michael Tsirkin updated VIRTIO-13: ---------------------------------- Fix Version/s: virtio 1.0 csprd01 > Remove VIRTIO_F_NOTIFY_ON_EMPTY? > --------------------------------- > > Key: VIRTIO-13 > URL: https://tools.oasis-open.org/issues/browse/VIRTIO-13 > Project: OASIS Virtual I/O Device (VIRTIO) TC > Issue Type: Improvement > Reporter: Rusty Russell > Assignee: Rusty Russell > Fix For: virtio 1.0 csprd01 > > > Notify on empty means that the device interrupts even if it wouldn't normally, in the case where a normally-full virtqueue is empty. > ISTR this was a performance hack; it's no longer used in Linux anyway, and performance issues may have been due to a race which sometimes lost interrupts :) -- This message was sent by Atlassian JIRA (v6.1.1#6155)
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