Pull request
This pull request includes an important aio=native I/O stall fix, the
experimental vifo-user server, the io_uring_register_ring_fd() optimization for
aio=io_uring, and an update to Vladimir Sementsov-Ogievskiy's maintainership
details.
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# gpg: Signature made Wed 15 Jun 2022 08:50:56 AM PDT
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# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
linux-aio: explain why max batch is checked in laio_io_unplug()
linux-aio: fix unbalanced plugged counter in laio_io_unplug()
vfio-user: handle reset of remote device
vfio-user: handle device interrupts
vfio-user: handle PCI BAR accesses
vfio-user: handle DMA mappings
vfio-user: IOMMU support for remote device
vfio-user: handle PCI config space accesses
vfio-user: run vfio-user context
vfio-user: find and init PCI device
vfio-user: instantiate vfio-user context
vfio-user: define vfio-user-server object
vfio-user: build library
remote/machine: add vfio-user property
remote/machine: add HotplugHandler for remote machine
qdev: unplug blocker for devices
Use io_uring_register_ring_fd() to skip fd operations
MAINTAINERS: update Vladimir's address and repositories
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>