Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Fri, 21 Oct 2022 19:36:38 +0000 you wrote:
> BPF CI has revealed flakiness in the task_local_storage/exit_creds test.
> The failure point in CI [1] is that null_ptr_count is equal to 0,
> which indicates that the program hasn't run yet. This points to the
> kern_sync_rcu (sys_membarrier -> synchronize_rcu underneath) not
> waiting sufficiently.
>
> Indeed, synchronize_rcu only waits for read-side sections that started
> before the call. If the program execution starts *during* the
> synchronize_rcu invocation (due to, say, preemption), the test won't
> wait long enough.
>
> [...]
Here is the summary with links:
- [bpf-next,v3] selftests/bpf: fix task_local_storage/exit_creds rcu usage
https://git.kernel.org/bpf/bpf-next/c/eb814cf1adea
You are awesome, thank you!
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