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Jason Wang a72caae218 virtio: correct the memory barrier in virtqueue_kick_prepare() ... Use virtio_mb() to make sure the available index to be exposed before checking the the avail event. Otherwise we may get stale value of avail event in guest and never kick the host after. Note: this fixes a bug introduced by ee7cd8981e. Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org		2012-01-28 08:10:23 +10:30
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Kconfig	virtio: add HAS_IOMEM dependency to MMIO platform bus driver	2011-11-24 13:04:47 +10:30
Makefile	virtio: Add platform bus driver for memory mapped virtio device	2011-11-02 11:41:01 +10:30
config.c	Virtio interface	2007-10-23 15:49:54 +10:00
virtio.c	virtio: Add module.h to drivers/virtio users.	2011-10-31 19:32:14 -04:00
virtio_balloon.c	virtio: balloon: Add freeze, restore handlers to support S4	2012-01-12 15:44:47 +10:30
virtio_mmio.c	virtio: harsher barriers for rpmsg.	2012-01-12 15:44:42 +10:30
virtio_pci.c	virtio: pci: add PM notification handlers for restore, freeze, thaw, poweroff	2012-01-12 15:44:44 +10:30
virtio_ring.c	virtio: correct the memory barrier in virtqueue_kick_prepare()	2012-01-28 08:10:23 +10:30