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* [PATCH 0/2] Minor SQPOLL thread fix and improvement
@ 2021-06-22 18:45 Olivier Langlois, Olivier Langlois
  2021-06-22 18:45 ` [PATCH 1/2] io_uring: Fix race condition when sqp thread goes to sleep Olivier Langlois
  2021-06-22 18:45 ` [PATCH 2/2] io_uring: Create define to modify a SQPOLL parameter Olivier Langlois
  0 siblings, 2 replies; 13+ messages in thread
From: Olivier Langlois, Olivier Langlois @ 2021-06-22 18:45 UTC (permalink / raw)
  To: Jens Axboe, Pavel Begunkov, io-uring, linux-kernel; +Cc: Olivier Langlois

I have been investigated a deadlock situation in my io_uring usage where
the SQPOLL thread was going to sleep and my user threads were waiting
inside io_uring_enter() for completions.

https://github.com/axboe/liburing/issues/367

This patch serie is the result of my investigation.

Olivier Langlois (2):
  io_uring: Fix race condition when sqp thread goes to sleep
  io_uring: Create define to modify a SQPOLL parameter

 fs/io_uring.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

-- 
2.32.0


^ permalink raw reply	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2021-06-23 15:59 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-06-22 18:45 [PATCH 0/2] Minor SQPOLL thread fix and improvement Olivier Langlois, Olivier Langlois
2021-06-22 18:45 ` [PATCH 1/2] io_uring: Fix race condition when sqp thread goes to sleep Olivier Langlois
2021-06-22 18:53   ` Olivier Langlois
2021-06-22 18:55     ` Pavel Begunkov
2021-06-22 19:07       ` Olivier Langlois
     [not found]   ` <[email protected]>
2021-06-22 20:45     ` [PATCH 1/2 v2] " Pavel Begunkov
2021-06-22 22:37       ` Olivier Langlois
2021-06-22 22:42         ` Olivier Langlois
2021-06-22 23:03           ` Pavel Begunkov
2021-06-23 13:52             ` Olivier Langlois
2021-06-23 15:58               ` Pavel Begunkov
2021-06-22 18:45 ` [PATCH 2/2] io_uring: Create define to modify a SQPOLL parameter Olivier Langlois
2021-06-22 20:58   ` Pavel Begunkov

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