[RFC][PATCHv3 1/6] printk: use vprintk_func in vprintk()

Sergey Senozhatsky
2016-10-18T15:42:26Z

vprintk(), just like printk(), better be using per-cpu printk_func
instead of direct vprintk_emit() call. Just in case if vprintk()
will ever be called from NMI, or from any other context that can
deadlock in printk().

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
---
kernel/printk/printk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index d5e3973..be7f60b 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1917,7 +1917,7 @@ EXPORT_SYMBOL(vprintk_emit);

asmlinkage int vprintk(const char *fmt, va_list args)
{
- return vprintk_emit(0, LOGLEVEL_DEFAULT, NULL, 0, fmt, args);
+ return vprintk_func(fmt, args);
}
EXPORT_SYMBOL(vprintk);

--
2.10.1.382.ga23ca1b