From 9eff4b0871ca68376bc409c991fbce414e700921 Mon Sep 17 00:00:00 2001
From: Takahiro <hogehoge@gachapin.jp>
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);
}
--
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