This bug is awaiting verification that the linux/5.4.0-205.225 kernel in
-proposed solves the problem. Please test the kernel and update this bug
with the results. If the problem is solved, change the tag
'verification-needed-focal-linux' to 'verification-done-focal-linux'. If
the problem still exi
** Description changed:
[Impact]
io_commit_cqring() writes the CQ ring tail to make it visible and also
triggers any deferred work.
When a ring is set up with IOPOLL, it doesn't require locking around the CQ
ring updates.
However, if there is deferred work that needs processing, io_queue
** Description changed:
[Impact]
io_commit_cqring() writes the CQ ring tail to make it visible and also
triggers any deferred work.
When a ring is set up with IOPOLL, it doesn't require locking around the CQ
ring updates.
However, if there is deferred work that needs processing, io_queue
** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/2078659
Title:
Hold IOPOLL locks when triggering io_uring's deferred work
To mana
** Description changed:
[Impact]
io_commit_cqring() writes the CQ ring tail to make it visible and also
triggers any deferred work.
When a ring is set up with IOPOLL, it doesn't require locking around the CQ
ring updates.
However, if there is deferred work that needs processing, io_queue
** Summary changed:
- io_uring: ensure IOPOLL locks around deferred work
+ Hold IOPOLL locks when triggering io_uring's deferred work
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https://bugs.launchpad.net/bugs/2078659
Title:
Ho
