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Date: Mon, 31 Aug 2020 11:14:17 -0700 From: paulmck@...nel.org To: rcu@...r.kernel.org Cc: linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com, akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com, josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com, oleg@...hat.com, joel@...lfernandes.org, Wei Yongjun <weiyongjun1@...wei.com>, "Paul E . McKenney" <paulmck@...nel.org>, Sebastian Andrzej Siewior <bigeasy@...utronix.de> Subject: [PATCH tip/core/rcu 4/4] smp: Make symbol 'csd_bug_count' static From: Wei Yongjun <weiyongjun1@...wei.com> The sparse tool complains as follows: kernel/smp.c:107:10: warning: symbol 'csd_bug_count' was not declared. Should it be static? Because variable is not used outside of smp.c, this commit marks it static. Reported-by: Hulk Robot <hulkci@...wei.com> Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com> Signed-off-by: Paul E. McKenney <paulmck@...nel.org> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Ingo Molnar <mingo@...nel.org> Cc: Thomas Gleixner <tglx@...utronix.de> Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de> --- kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/smp.c b/kernel/smp.c index c5d3188..b25383d 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -106,7 +106,7 @@ static DEFINE_PER_CPU(smp_call_func_t, cur_csd_func); static DEFINE_PER_CPU(void *, cur_csd_info); #define CSD_LOCK_TIMEOUT (5ULL * NSEC_PER_SEC) -atomic_t csd_bug_count = ATOMIC_INIT(0); +static atomic_t csd_bug_count = ATOMIC_INIT(0); /* Record current CSD work for current CPU, NULL to erase. */ static void csd_lock_record(call_single_data_t *csd) -- 2.9.5
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