Hint the compiler that it's not as likely to have creds different from
current attached to a request. The current code generation is far from
ideal, hopefully it can help to some compilers to remove duplicated jump
tables and so.
Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
fs/io_uring.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c
index ad71c7ef7f6d..9e269fff3bbe 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6645,7 +6645,7 @@ static int io_issue_sqe(struct io_kiocb *req, unsigned int issue_flags)
const struct cred *creds = NULL;
int ret;
- if ((req->flags & REQ_F_CREDS) && req->creds != current_cred())
+ if (unlikely((req->flags & REQ_F_CREDS) && req->creds != current_cred()))
creds = override_creds(req->creds);
switch (req->opcode) {
--
2.33.0
