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| author | Takahiro <[email protected]> | 2020-04-18 14:49:54 -0700 |
|---|---|---|
| committer | Frans Kaashoek <[email protected]> | 2020-08-10 13:59:40 -0400 |
| commit | 9eff4b0871ca68376bc409c991fbce414e700921 (patch) | |
| tree | 3a45932218bb7bf52b4c2fd9da17cadc24c6468d | |
| parent | b557e7c32e935b9bb2f5d8ed8503de52f43cf87f (diff) | |
| download | xv6-labs-9eff4b0871ca68376bc409c991fbce414e700921.tar.gz xv6-labs-9eff4b0871ca68376bc409c991fbce414e700921.tar.bz2 xv6-labs-9eff4b0871ca68376bc409c991fbce414e700921.zip | |
Write interrupt ack register in virtio_disk_intr()
| -rw-r--r-- | kernel/virtio_disk.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/virtio_disk.c b/kernel/virtio_disk.c index 3cff024..06e0645 100644 --- a/kernel/virtio_disk.c +++ b/kernel/virtio_disk.c @@ -264,6 +264,7 @@ virtio_disk_intr() disk.used_idx = (disk.used_idx + 1) % NUM; } + *R(VIRTIO_MMIO_INTERRUPT_ACK) = *R(VIRTIO_MMIO_INTERRUPT_STATUS) & 0x3; release(&disk.vdisk_lock); } |