diff options
| author | Paul E. McKenney <paulmck@kernel.org> | 2020-08-17 10:37:22 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-08-24 18:37:56 -0700 |
| commit | 7f2a53c231fe5d9522c3b695ab454203904031ac (patch) | |
| tree | 5a11ba156c8be21d14c39cf1838ee606bcbf057f /kernel | |
| parent | 666ca2907e6b75960ce2f0fe50afc5d8a46f296d (diff) | |
rcu: Remove unused __rcu_is_watching() function
The x86/entry work removed all uses of __rcu_is_watching(), therefore
this commit removes it entirely.
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <x86@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/entry/common.c | 2 | ||||
| -rw-r--r-- | kernel/rcu/tree.c | 5 |
2 files changed, 1 insertions, 6 deletions
diff --git a/kernel/entry/common.c b/kernel/entry/common.c index 9852e0d62d95..ad794a10fa80 100644 --- a/kernel/entry/common.c +++ b/kernel/entry/common.c @@ -278,7 +278,7 @@ noinstr irqentry_state_t irqentry_enter(struct pt_regs *regs) * terminate a grace period, if and only if the timer interrupt is * not nested into another interrupt. * - * Checking for __rcu_is_watching() here would prevent the nesting + * Checking for rcu_is_watching() here would prevent the nesting * interrupt to invoke rcu_irq_enter(). If that nested interrupt is * the tick then rcu_flavor_sched_clock_irq() would wrongfully * assume that it is the first interupt and eventually claim diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 396abe0e0d01..232362293678 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1077,11 +1077,6 @@ static void rcu_disable_urgency_upon_qs(struct rcu_data *rdp) } } -noinstr bool __rcu_is_watching(void) -{ - return !rcu_dynticks_curr_cpu_in_eqs(); -} - /** * rcu_is_watching - see if RCU thinks that the current CPU is not idle * |