qemu-e2k/hw/virtio
Stefan Hajnoczi a7c8215e3b virtio: disable virtqueue notifications during polling
This is a performance optimization to eliminate vmexits during polling.
It also avoids spurious ioeventfd processing after polling ends.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20161201192652.9509-12-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-03 16:38:50 +00:00
..
Makefile.objs virtio-crypto-pci: add virtio crypto pci support 2016-11-01 19:21:08 +02:00
trace-events virtio: set ISR on dataplane notifications 2016-11-18 17:29:25 +02:00
vhost-backend.c vhost-vsock: add virtio sockets device 2016-09-10 00:28:08 +03:00
vhost-user.c char: use qemu_chr_fe* functions with CharBackend argument 2016-10-24 15:27:21 +02:00
vhost-vsock.c virtio: cleanup VMSTATE_VIRTIO_DEVICE 2016-10-10 02:21:43 +03:00
vhost.c virtio: introduce grab/release_ioeventfd to fix vhost 2016-11-18 17:29:25 +02:00
virtio-balloon.c virtio: rename virtqueue_discard to virtqueue_unpop 2016-11-15 17:20:36 +02:00
virtio-bus.c virtio: introduce grab/release_ioeventfd to fix vhost 2016-11-18 17:29:25 +02:00
virtio-crypto-pci.c virtio-crypto: tag as not hotpluggable and migration 2016-11-15 17:20:36 +02:00
virtio-crypto.c virtio-crypto: fix uninitialized variables 2016-11-30 04:22:18 +02:00
virtio-mmio.c virtio: access ISR atomically 2016-11-18 17:29:25 +02:00
virtio-pci.c virtio-pci: Fix cross-version migration with older machines 2016-12-15 07:35:19 +00:00
virtio-pci.h virtio-pci: Fix cross-version migration with older machines 2016-12-15 07:35:19 +00:00
virtio-rng.c virtio: cleanup VMSTATE_VIRTIO_DEVICE 2016-10-10 02:21:43 +03:00
virtio.c virtio: disable virtqueue notifications during polling 2017-01-03 16:38:50 +00:00