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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 | |
|---|---|---|
| .. | ||
| dataplane | 10 months ago | |
| Kconfig | 5 months ago | |
| block.c | 7 months ago | |
| cdrom.c | ||
| fdc-internal.h | 2 years ago | |
| fdc-isa.c | 6 months ago | |
| fdc-sysbus.c | 6 months ago | |
| fdc.c | 6 months ago | |
| hd-geometry.c | 3 months ago | |
| m25p80.c | 6 months ago | |
| m25p80_sfdp.c | 1 year ago | |
| m25p80_sfdp.h | 1 year ago | |
| meson.build | 3 months ago | |
| pflash_cfi01.c | 6 months ago | |
| pflash_cfi02.c | 6 months ago | |
| swim.c | 6 months ago | |
| trace-events | 2 years ago | |
| trace.h | ||
| vhost-user-blk.c | 3 months ago | |
| virtio-blk-common.c | 2 years ago | |
| virtio-blk.c | 3 weeks ago | |
| xen-block.c | 6 months ago | |
| xen_blkif.h | ||