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OpenCloudOS-Kernel
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srcu: Fix bogus try_check_zero() comment 

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2017-03-15 16:34:11 -07:00
parent e95d68d212
commit 91e27c356c
1 changed files with 3 additions and 4 deletions
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7
kernel/rcu/srcu.c
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@ -260,10 +260,9 @@ static void srcu_gp_start(struct srcu_struct *sp)
}
/*
* @@@ Wait until all pre-existing readers complete. Such readers
* will have used the index specified by "idx".
* the caller should ensures the ->completed is not changed while checking
* and idx = (->completed & 1) ^ 1
* Wait until all readers counted by array index idx complete, but loop
* a maximum of trycount times. The caller must ensure that ->completed
* is not changed while checking.
*/
static bool try_check_zero(struct srcu_struct *sp, int idx, int trycount)
{