The patch titled
Subject: fs: remove unlikely() from WARN_ON() condition
has been added to the -mm tree. Its filename is
fs-remove-unlikely-from-warn_on-condition.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-remove-unlikely-from-warn_on-condition.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-remove-unlikely-from-warn_on-condition.patch
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------------------------------------------------------
From: Denis Efremov <efremov@xxxxxxxxx>
Subject: fs: remove unlikely() from WARN_ON() condition
"unlikely(WARN_ON(x))" is excessive. WARN_ON() already uses unlikely()
internally.
Link: http://lkml.kernel.org/r/20190829165025.15750-5-efremov@xxxxxxxxx
Signed-off-by: Denis Efremov <efremov@xxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/open.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/open.c~fs-remove-unlikely-from-warn_on-condition
+++ a/fs/open.c
@@ -776,7 +776,7 @@ static int do_dentry_open(struct file *f
f->f_mode |= FMODE_ATOMIC_POS;
f->f_op = fops_get(inode->i_fop);
- if (unlikely(WARN_ON(!f->f_op))) {
+ if (WARN_ON(!f->f_op)) {
error = -ENODEV;
goto cleanup_all;
}
_
Patches currently in -mm which might be from efremov@xxxxxxxxx are
checkpatch-check-for-nested-unlikely-calls.patch
drm-msm-remove-unlikely-from-warn_on-conditions.patch
net-mlx5e-remove-unlikely-from-warn-condition.patch
xen-events-remove-unlikely-from-warn-condition.patch
fs-remove-unlikely-from-warn_on-condition.patch
wimax-i2400m-remove-unlikely-from-warn-condition.patch
xfs-remove-unlikely-from-warn_on-condition.patch
ib-hfi1-remove-unlikely-from-is_err-condition.patch
udp-remove-unlikely-from-is_err-condition.patch
ntfs-remove-unlikely-from-is_err-conditions.patch
