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Merge pull request #10 from takahirox/VirtioInterruptAck

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Write virtio interrupt ack register in virtio_disk_intr()
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Frans Kaashoek 2020-08-10 13:24:57 -04:00 • committed by GitHub
commit 93ca5550b8
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kernel/virtio_disk.c
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@ -264,6 +264,7 @@ virtio_disk_intr()
disk.used_idx = (disk.used_idx + 1) % NUM; disk.used_idx = (disk.used_idx + 1) % NUM;
} }
*R(VIRTIO_MMIO_INTERRUPT_ACK) = *R(VIRTIO_MMIO_INTERRUPT_STATUS) & 0x3;
release(&disk.vdisk_lock); release(&disk.vdisk_lock);
} }