The following commit has been merged into the locking/core branch of tip: Commit-ID: c2e4bfe0eef313eeb1c4c9d921be7a9d91d5d71a Gitweb: https://git.kernel.org/tip/c2e4bfe0eef313eeb1c4c9d921be7a9d91d5d71a Author: Davidlohr Bueso <d...@stgolabs.net> AuthorDate: Fri, 26 Feb 2021 09:50:29 -08:00 Committer: Thomas Gleixner <t...@linutronix.de> CommitterDate: Thu, 11 Mar 2021 19:19:17 +01:00
kernel/futex: Explicitly document pi_lock for pi_state owner fixup This seems to belong in the serialization and lifetime rules section. pi_state_update_owner() will take the pi_mutex's owner's pi_lock to do whatever fixup, successful or not. Signed-off-by: Davidlohr Bueso <dbu...@suse.de> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Acked-by: Peter Zijlstra (Intel) <pet...@infradead.org> Link: https://lore.kernel.org/r/20210226175029.50335-4-d...@stgolabs.net --- kernel/futex.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/futex.c b/kernel/futex.c index dcd6132..4750557 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -981,6 +981,7 @@ static inline void exit_pi_state_list(struct task_struct *curr) { } * p->pi_lock: * * p->pi_state_list -> pi_state->list, relation + * pi_mutex->owner -> pi_state->owner, relation * * pi_state->refcount: *
