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| author | Peter Zijlstra <peterz@infradead.org> | 2016-09-20 11:05:31 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-09-22 15:20:25 +0200 |
| commit | a18a579e5f84daa74f64b1f1b652b4a6a8d6f8b4 (patch) | |
| tree | c9696e5ec912c768f9a682be72014f1301290dbd /kernel/sched | |
| parent | 8bf46a39be910937d4c9e8d999a7438a7ae1a75b (diff) | |
| download | linux-stable-a18a579e5f84daa74f64b1f1b652b4a6a8d6f8b4.tar.gz linux-stable-a18a579e5f84daa74f64b1f1b652b4a6a8d6f8b4.tar.bz2 linux-stable-a18a579e5f84daa74f64b1f1b652b4a6a8d6f8b4.zip | |
sched/debug: Hide printk() by default
Dietmar accidentally added an unconditional sched domain printk. Hide
it behind the normal sched_debug flag.
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Fixes: cd92bfd3b8cb ("sched/core: Store maximum per-CPU capacity in root domain")
[ Fixed !SCHED_DEBUG build failure. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index d7babcc7cb76..8bae0cd09e9e 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5739,6 +5739,8 @@ static void sched_domain_debug(struct sched_domain *sd, int cpu) } } #else /* !CONFIG_SCHED_DEBUG */ + +# define sched_debug_enabled 0 # define sched_domain_debug(sd, cpu) do { } while (0) static inline bool sched_debug(void) { @@ -7006,7 +7008,7 @@ static int build_sched_domains(const struct cpumask *cpu_map, } rcu_read_unlock(); - if (rq) { + if (rq && sched_debug_enabled) { pr_info("span: %*pbl (max cpu_capacity = %lu)\n", cpumask_pr_args(cpu_map), rq->rd->max_cpu_capacity); } |