diff options
| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2022-06-22 14:46:31 +0900 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-07-17 17:31:41 -0700 |
| commit | bd27acaac24e4b252ee28dddcabaee80456d0faf (patch) | |
| tree | 15ce393dfd030112d4e56f80f311f5777e075751 | |
| parent | 953257a9252a9b3c58ca68fc5bf26fc65e5b1cb8 (diff) | |
| download | lwn-bd27acaac24e4b252ee28dddcabaee80456d0faf.tar.gz lwn-bd27acaac24e4b252ee28dddcabaee80456d0faf.zip | |
lib/smp_processor_id: fix imbalanced instrumentation_end() call
Currently instrumentation_end() won't be called if printk_ratelimit()
returned false.
Link: https://lkml.kernel.org/r/a636d8e0-ad32-5888-acac-671f7f553bb3@I-love.SAKURA.ne.jp
Fixes: 126f21f0e8d46e2c ("lib/smp_processor_id: Move it into noinstr section")
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Alexandre Chartre <alexandre.chartre@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | lib/smp_processor_id.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c index 046ac6297c78..a2bb7738c373 100644 --- a/lib/smp_processor_id.c +++ b/lib/smp_processor_id.c @@ -47,9 +47,9 @@ unsigned int check_preemption_disabled(const char *what1, const char *what2) printk("caller is %pS\n", __builtin_return_address(0)); dump_stack(); - instrumentation_end(); out_enable: + instrumentation_end(); preempt_enable_no_resched_notrace(); out: return this_cpu; |