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| author | Takahiro <[email protected]> | 2020-04-18 14:49:54 -0700 |
|---|---|---|
| committer | Takahiro <[email protected]> | 2020-04-18 14:49:54 -0700 |
| commit | 7a5fcb28b33d829a203d62063ec2b98ab6e72c7b (patch) | |
| tree | 717a3379ae694c2c42b8207844d4afc8485c3b9d | |
| parent | 9ead904afef8d060c2cc5cee6bd8e8d223de8c40 (diff) | |
| download | xv6-labs-7a5fcb28b33d829a203d62063ec2b98ab6e72c7b.tar.gz xv6-labs-7a5fcb28b33d829a203d62063ec2b98ab6e72c7b.tar.bz2 xv6-labs-7a5fcb28b33d829a203d62063ec2b98ab6e72c7b.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); } |