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kernel/futex: Explicitly document pi_lock for pi_state owner fixup
authorDavidlohr Bueso <dave@stgolabs.net>
Fri, 26 Feb 2021 17:50:29 +0000 (09:50 -0800)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 11 Mar 2021 18:19:17 +0000 (19:19 +0100)
commitc2e4bfe0eef313eeb1c4c9d921be7a9d91d5d71a
tree39864f3e6cf8651e769a205e43d6598accce6970tree | snapshot
parenta3f2428d2b9c9ca70f52818774a2f6e0e30a0f0bcommit | diff
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 <dbueso@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210226175029.50335-4-dave@stgolabs.net
kernel/futex.c diff | blob | history
Domain: System / Kernel;