Stable Team, > Revert of revert of "io_uring: wait potential ->release() on resurrect", > which adds a helper for resurrect not racing completion reinit, as was > removed because of a strange bug with no clear root or link to the > patch. > > Was improved, instead of rcu_synchronize(), just wait_for_completion() > because we're at 0 refs and it will happen very shortly. Specifically > use non-interruptible version to ignore all pending signals that may > have ended prior interruptible wait. > > This reverts commit cb5e1b81304e089ee3ca948db4d29f71902eb575. > > Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx> > --- > fs/io_uring.c | 18 ++++++++++++++---- > 1 file changed, 14 insertions(+), 4 deletions(-) Please back-port this as far as it will apply. Definitely through v5.10.y. It solves a critical bug. Subject: "io_uring: return back safer resurrect" Upstream commit:: f70865db5ff35f5ed0c7e9ef63e7cca3d4947f04 -- Lee Jones [李琼斯] Principal Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog
