From 9eff4b0871ca68376bc409c991fbce414e700921 Mon Sep 17 00:00:00 2001 From: Takahiro Date: Sat, 18 Apr 2020 14:49:54 -0700 Subject: Write interrupt ack register in virtio_disk_intr() --- kernel/virtio_disk.c | 1 + 1 file changed, 1 insertion(+) 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); } -- cgit v1.2.3