mirror of
https://github.com/dynup/kpatch
synced 2025-02-27 07:20:59 +00:00
6fa8e4fd43
module-call-external.patch and new-function.patch fail to build on ppc64le with "Found an unsupported sibling call". Add fno-optimize-sibling-calls attributes to functions in question. Signed-off-by: Artem Savkov <asavkov@redhat.com>
28 lines
944 B
Diff
28 lines
944 B
Diff
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
|
|
index c2869489ba68..7a46fc7a88f1 100644
|
|
--- a/drivers/tty/n_tty.c
|
|
+++ b/drivers/tty/n_tty.c
|
|
@@ -2295,7 +2295,7 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
|
|
* lock themselves)
|
|
*/
|
|
|
|
-static ssize_t n_tty_write(struct tty_struct *tty, struct file *file,
|
|
+static ssize_t noinline kpatch_n_tty_write(struct tty_struct *tty, struct file *file,
|
|
const unsigned char *buf, size_t nr)
|
|
{
|
|
const unsigned char *b = buf;
|
|
@@ -2382,6 +2382,13 @@ static ssize_t n_tty_write(struct tty_struct *tty, struct file *file,
|
|
return (b - buf) ? b - buf : retval;
|
|
}
|
|
|
|
+__attribute__((optimize("-fno-optimize-sibling-calls")))
|
|
+static ssize_t n_tty_write(struct tty_struct *tty, struct file *file,
|
|
+ const unsigned char *buf, size_t nr)
|
|
+{
|
|
+ return kpatch_n_tty_write(tty, file, buf, nr);
|
|
+}
|
|
+
|
|
/**
|
|
* n_tty_poll - poll method for N_TTY
|
|
* @tty: terminal device
|