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1e9181dc52
The difference between these two functions: - virtio_notify() uses the interrupt code path (MSI or classic IRQs) - virtio_notify_irqfd() uses guest notifiers (irqfds) virtio_notify() can only be called with the BQL held because the interrupt code path requires the BQL. Device models use virtio_notify_irqfd() from IOThreads since the BQL is not held. The two functions can be unified by pushing down the if (qemu_in_iothread()) check from virtio-blk and virtio-scsi into core virtio code. This is in preparation for the next commit that will add irqfd support to virtio_notify_config() and where it's unattractive to introduce another irqfd-only API for device model callers. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-ID: <20250922220149.498967-3-stefanha@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
3 weeks ago | |
|---|---|---|
| .. | ||
| cbor-helpers.h | ||
| iothread-vq-mapping.h | 7 months ago | |
| vdpa-dev.h | ||
| vhost-backend.h | 3 weeks ago | |
| vhost-scsi-common.h | 5 months ago | |
| vhost-scsi.h | ||
| vhost-user-base.h | 3 weeks ago | |
| vhost-user-blk.h | 3 months ago | |
| vhost-user-fs.h | ||
| vhost-user-gpio.h | ||
| vhost-user-i2c.h | ||
| vhost-user-rng.h | ||
| vhost-user-scmi.h | ||
| vhost-user-scsi.h | ||
| vhost-user-snd.h | ||
| vhost-user-vsock.h | ||
| vhost-user.h | ||
| vhost-vdpa.h | 5 months ago | |
| vhost-vsock-common.h | 5 months ago | |
| vhost-vsock.h | ||
| vhost.h | 3 weeks ago | |
| virtio-access.h | ||
| virtio-acpi.h | ||
| virtio-balloon.h | 8 months ago | |
| virtio-blk-common.h | ||
| virtio-blk.h | 8 months ago | |
| virtio-bus.h | ||
| virtio-crypto.h | ||
| virtio-dmabuf.h | ||
| virtio-features.h | 3 weeks ago | |
| virtio-gpu-bswap.h | ||
| virtio-gpu-pci.h | ||
| virtio-gpu-pixman.h | ||
| virtio-gpu.h | 3 months ago | |
| virtio-input.h | ||
| virtio-iommu.h | ||
| virtio-md-pci.h | ||
| virtio-mem.h | 5 months ago | |
| virtio-mmio.h | ||
| virtio-net.h | 3 weeks ago | |
| virtio-nsm.h | ||
| virtio-pci.h | 3 weeks ago | |
| virtio-pmem.h | 5 months ago | |
| virtio-rng.h | ||
| virtio-scsi.h | 7 months ago | |
| virtio-serial.h | ||
| virtio.h | 3 weeks ago | |