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checkpatch: warn on use of yield() 

Using yield() is generally wrong.  Warn on its use.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Joe Perches 2012-03-23 15:02:20 -07:00 committed by Linus Torvalds
parent aad4f61498
commit 2c92488ab2
1 changed files with 6 additions and 0 deletions
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6
scripts/checkpatch.pl
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@ -3338,6 +3338,12 @@ sub process {
"__func__ should be used instead of gcc specific __FUNCTION__\n" . $herecurr);
}
# check for use of yield()
if ($line =~ /\byield\s*\(\s*\)/) {
WARN("YIELD",
"Using yield() is generally wrong. See yield() kernel-doc (sched/core.c)\n" . $herecurr);
}
# check for semaphores initialized locked
if ($line =~ /^.\s*sema_init.+,\W?0\W?\)/) {
WARN("CONSIDER_COMPLETION",