Re: (subset) [PATCH v3 00/14] Remove redundant rcu_read_lock/unlock() in spin_lock
Jeff Johnson <[email protected]> Thu, 30 Apr 2026 14:30:39 -0700
| Newsgroups | gmane.linux.kernel.lsm,gmane.linux.kernel,gmane.linux.nfs,gmane.linux.kernel.aio.general,gmane.linux.file-systems,gmane.linux.network,gmane.comp.freedesktop.xorg.drivers.intel,gmane.linux.kernel.wireless.general,gmane.linux.acpi.devel,gmane.linux.kernel.cgroups |
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| Message-ID | <[email protected]> |
On Tue, 16 Sep 2025 12:47:21 +0800, pengdonglin wrote:
> Since commit a8bb74acd8efe ("rcu: Consolidate RCU-sched update-side function definitions")
> there is no difference between rcu_read_lock(), rcu_read_lock_bh() and
> rcu_read_lock_sched() in terms of RCU read section and the relevant grace
> period. That means that spin_lock(), which implies rcu_read_lock_sched(),
> also implies rcu_read_lock().
>
> There is no need no explicitly start a RCU read section if one has already
> been started implicitly by spin_lock().
>
> [...]
Applied, thanks!
[14/14] wifi: ath9k: Remove redundant rcu_read_lock/unlock() in spin_lock
commit: c4f518736472c8cfbf1d304e01c631babd2bbf34
Best regards,
--
Jeff Johnson <[email protected]>