On Tue, May 31, 2022 at 06:50:11PM +0800, Sam Li wrote: > Linux recently added a new io_uring(7) optimization API that QEMU > doesn't take advantage of yet. The liburing library that QEMU uses > has added a corresponding new API calling io_uring_register_ring_fd(). > When this API is called after creating the ring, the io_uring_submit() > library function passes a flag to the io_uring_enter(2) syscall > allowing it to skip the ring file descriptor fdget()/fdput() > operations. This saves some CPU cycles. > > Signed-off-by: Sam Li <[email protected]> > --- > block/io_uring.c | 12 +++++++++++- > meson.build | 1 + > 2 files changed, 12 insertions(+), 1 deletion(-)
Thanks, applied to my block tree: https://gitlab.com/stefanha/qemu/commits/block Stefan
signature.asc
Description: PGP signature
