From: Paul E. McKenney Date: Sun, 8 Nov 2015 07:35:00 +0000 (-0800) Subject: rcu: Make rcu_gp_init() be bool rather than int X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=45fed3e7cfb4001c80cd4bd25249d194a52bfed3;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git rcu: Make rcu_gp_init() be bool rather than int The return value from rcu_gp_init() is always used as a bool, so this commit makes it be a bool. Reported-by: Iftekhar Ahmed Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 87b604d0b0d2..01a90a3bdf79 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1814,9 +1814,9 @@ static void rcu_gp_slow(struct rcu_state *rsp, int delay) } /* - * Initialize a new grace period. Return 0 if no grace period required. + * Initialize a new grace period. Return false if no grace period required. */ -static int rcu_gp_init(struct rcu_state *rsp) +static bool rcu_gp_init(struct rcu_state *rsp) { unsigned long oldmask; struct rcu_data *rdp; @@ -1827,7 +1827,7 @@ static int rcu_gp_init(struct rcu_state *rsp) if (!READ_ONCE(rsp->gp_flags)) { /* Spurious wakeup, tell caller to go back to sleep. */ raw_spin_unlock_irq(&rnp->lock); - return 0; + return false; } WRITE_ONCE(rsp->gp_flags, 0); /* Clear all flags: New grace period. */ @@ -1837,7 +1837,7 @@ static int rcu_gp_init(struct rcu_state *rsp) * Not supposed to be able to happen. */ raw_spin_unlock_irq(&rnp->lock); - return 0; + return false; } /* Advance to a new grace period and initialize state. */ @@ -1929,7 +1929,7 @@ static int rcu_gp_init(struct rcu_state *rsp) WRITE_ONCE(rsp->gp_activity, jiffies); } - return 1; + return true; } /*