# Re: \[RFC PATCH 1/7\] static\_call: get rid of static\_call\_cond()

- From: Peter Zijlstra \<peterz@infradead.org\>
- Date: 2021-11-09 19:33:07 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2021/11/1567260
- Thread: https://ratatoskr.run/linux-arm-kernel/2021/11/1567125/t.md

```text
On Tue, Nov 09, 2021 at 05:45:43PM +0100, Ard Biesheuvel wrote:
>  static inline
>  void __static_call_update(struct static_call_key *key, void *tramp, void *func)
>  {
> +	WRITE_ONCE(key->func, func ?: (void *)&__static_call_nop);
>  }

Ha, yes, I suppose that ought to work.

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```