a72caae218
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
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| .. | ||
| Kconfig | ||
| Makefile | ||
| config.c | ||
| virtio.c | ||
| virtio_balloon.c | ||
| virtio_mmio.c | ||
| virtio_pci.c | ||
| virtio_ring.c | ||