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io_uring-5.8-2020-07-10

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Merge tag 'io_uring-5.8-2020-07-10' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:

 - Fix memleak for error path in registered files (Yang)

 - Export CQ overflow state in flags, necessary to fix a case where
   liburing doesn't know if it needs to enter the kernel (Xiaoguang)

 - Fix for a regression in when user memory is accounted freed, causing
   issues with back-to-back ring exit + init if the ulimit -l setting is
   very tight.

* tag 'io_uring-5.8-2020-07-10' of git://git.kernel.dk/linux-block:
  io_uring: account user memory freed when exit has been queued
  io_uring: fix memleak in io_sqe_files_register()
  io_uring: fix memleak in __io_sqe_files_update()
  io_uring: export cq overflow status to userspace
This commit is contained in:
Linus Torvalds 2020-07-10 09:57:57 -07:00
commit a581387e41
2 changed files with 24 additions and 6 deletions
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1
include/uapi/linux/io_uring.h
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@ -197,6 +197,7 @@ struct io_sqring_offsets {
* sq_ring->flags
*/
#define IORING_SQ_NEED_WAKEUP (1U << 0) /* needs io_uring_enter wakeup */
#define IORING_SQ_CQ_OVERFLOW (1U << 1) /* CQ ring is overflown */
struct io_cqring_offsets {
__u32 head;