path: root/scripts/checkpatch.pl
diff options
authorThomas Gleixner <tglx@linutronix.de>2010-09-07 14:34:01 (GMT)
committerThomas Gleixner <tglx@linutronix.de>2010-10-30 10:12:50 (GMT)
commit4882720b267b7b1d1b0ce08334b205f0329d4615 (patch)
treedd54880f84b7b7fb2bbdb529ffada434aca1e4d9 /scripts/checkpatch.pl
parent45f4d0243525b6bc747c946937ced437b135a84d (diff)
semaphore: Remove mutex emulation
Semaphores used as mutexes have been deprecated for years. Now that all users are either converted to real semaphores or to mutexes remove the cruft. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Christoph Hellwig <hch@infradead.org> LKML-Reference: <20100907125057.562399240@linutronix.de>
Diffstat (limited to 'scripts/checkpatch.pl')
1 files changed, 2 insertions, 6 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 90b54d4..e3c7fc0 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2794,12 +2794,8 @@ sub process {
WARN("__func__ should be used instead of gcc specific __FUNCTION__\n" . $herecurr);
-# check for semaphores used as mutexes
- if ($line =~ /^.\s*(DECLARE_MUTEX|init_MUTEX)\s*\(/) {
- WARN("mutexes are preferred for single holder semaphores\n" . $herecurr);
- }
-# check for semaphores used as mutexes
- if ($line =~ /^.\s*init_MUTEX_LOCKED\s*\(/) {
+# check for semaphores initialized locked
+ if ($line =~ /^.\s*sema_init.+,\W?0\W?\)/) {
WARN("consider using a completion\n" . $herecurr);

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