# \[PATCH 3/3\] checkpatch: add virt barriers

- From: Michael S. Tsirkin \<mst@redhat.com\>
- Date: 2016-01-04 11:37:27 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2016/01/4651971
- Thread: https://ratatoskr.run/linux-arch/2016/01/4651968/t.md

```text
Add virt_ barriers to list of barriers to check for
presence of a comment.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 scripts/checkpatch.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index e3f9ad9..5fb6ef7 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5121,7 +5121,8 @@ sub process {
 		my @smp_barriers = ('smp_store_release', 'smp_load_acquire', 'smp_store_mb');
 
 		@smp_barriers = (@smp_barriers, map {"smp_" . $_} @barriers);
-		my $all_barriers = join('|', (@barriers, @smp_barriers));
+		my @virt_barriers = map {my $l = $_; $l =~ s/smp_/virt_/; $l} @smp_barriers;
+		my $all_barriers = join('|', (@barriers, @smp_barriers, @virt_barriers));
 
 		if ($line =~ /\b($all_barriers)\(/) {
 			if (!ctx_has_comment($first_line, $linenr)) {
-- 
MST
```