On Wed, 24 Jun 2026 20:05:35 +0000 Beau Belgrave <[email protected]> wrote:
> While I cannot repro this locally on my 16 core machine, I do agree this > case needs to be handled correctly. The enabler should keep the ref to > the user_event until after an RCU grace period. I have this fix that > addresses it more completely than the original proposal. > > I'm hoping you can try out this fix with your machine that does repro > the timing window. The below change needs self test fixes, since now the > free happens after an RCU grace period + work queue schedule. This is > because the self tests (abi_test and perf_test) assume after unreg the > last ref is immediate (which was never guaranteed). I'm taking in the OP patch, but this looks like a separate issue. Any update on this? -- Steve
