Re: [PATCH for-5.0] aio-posix: signal-proof fdmon-io_uring

[Stefan Hajnoczi]

On Wed, Apr 08, 2020 at 10:11:39AM +0100, Stefan Hajnoczi wrote:
> The io_uring_enter(2) syscall returns with errno=EINTR when interrupted
> by a signal.  Retry the syscall in this case.
> 
> It's essential to do this in the io_uring_submit_and_wait() case.  My
> interpretation of the Linux v5.5 io_uring_enter(2) code is that it
> shouldn't affect the io_uring_submit() case, but there is no guarantee
> this will always be the case.  Let's check for -EINTR around both APIs.
> 
> Note that the liburing APIs have -errno return values.
> 
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---
>  util/fdmon-io_uring.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan

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