rcu: Update documentation of rcu_read_unlock()
[ Upstream commit ec84b27f ] Since commit b4abf910 ("rtmutex: Make wait_lock irq safe") the explanation in rcu_read_unlock() documentation about irq unsafe rtmutex wait_lock is no longer valid. Remove it to prevent kernel developers reading the documentation to rely on it. Suggested-by:Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
Anna-Maria Gleixner <anna-maria@linutronix.de> Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Reviewed-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by:
"Eric W. Biederman" <ebiederm@xmission.com> Cc: bigeasy@linutronix.de Link: https://lkml.kernel.org/r/20180525090507.22248-2-anna-maria@linutronix.de Signed-off-by:
Zhen Lei <thunder.leizhen@huawei.com> Acked-by:
Joe Korty <joe.korty@concurrent-rt.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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