SMP-only barriers were missing in checkpatch.pl
Refactor code slightly to make adding more variants easier.
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
scripts/checkpatch.pl | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2b3c228..97b8b62 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5116,7 +5116,25 @@ sub process {
}
}
# check for memory barriers without a comment.
- if ($line =~ /\b(mb|rmb|wmb|read_barrier_depends|smp_mb|smp_rmb|smp_wmb|smp_read_barrier_depends)\(/) {
+
+ my $barriers = qr{
+ mb|
+ rmb|
+ wmb|
+ read_barrier_depends
+ }x;
+ my $smp_barriers = qr{
+ store_release|
+ load_acquire|
+ store_mb|
+ ($barriers)
+ }x;
+ my $all_barriers = qr{
+ $barriers|
+ smp_($smp_barriers)
+ }x;
+
+ if ($line =~ /\b($all_barriers)\s*\(/) {
if (!ctx_has_comment($first_line, $linenr)) {
WARN("MEMORY_BARRIER",
"memory barrier without comment\n" . $herecurr);
--
MST
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