printk: use vprintk_func in vprintk()
authorSergey Senozhatsky <sergey.senozhatsky@gmail.com>
Tue, 27 Dec 2016 14:16:04 +0000 (23:16 +0900)
committerPetr Mladek <pmladek@suse.com>
Wed, 8 Feb 2017 09:57:32 +0000 (10:57 +0100)
commitbd66a89249892acc9d938ba4956066b21403fa5f
tree0ae764379f70901fab3d6209d1acaaa2dc1d4580
parent548cf34b3a22262a798a4322048070271431a074
printk: use vprintk_func in vprintk()

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().

Link: http://lkml.kernel.org/r/20161227141611.940-2-sergey.senozhatsky@gmail.com
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: Calvin Owens <calvinowens@fb.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Hurley <peter@hurleysoftware.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
kernel/printk/printk.c