Hello:
This patch was applied to bpf/bpf.git (master)
by Andrii Nakryiko <andrii@xxxxxxxxxx>:
On Wed, 11 Oct 2023 22:57:41 -0700 you wrote:
> htab_lock_bucket uses the following logic to avoid recursion:
>
> 1. preempt_disable();
> 2. check percpu counter htab->map_locked[hash] for recursion;
> 2.1. if map_lock[hash] is already taken, return -BUSY;
> 3. raw_spin_lock_irqsave();
>
> [...]
Here is the summary with links:
- [bpf] bpf: Avoid unnecessary -EBUSY from htab_lock_bucket
https://git.kernel.org/bpf/bpf/c/a307f5a24924
You are awesome, thank you!
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