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

From	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Newsgroups	linux.kernel
Subject	[RFC][PATCHv3 1/6] printk: use vprintk_func in vprintk()
Date	2016-10-18 17:50 +0200
Message-ID	<stEOm-3Fs-13@gated-at.bofh.it> (permalink)
References	<stEOm-3Fs-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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

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[RFC][PATCHv3 1/6] printk: use vprintk_func in vprintk() Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-10-18 17:50 +0200
  Re: [RFC][PATCHv3 1/6] printk: use vprintk_func in vprintk() Steven Rostedt <rostedt@goodmis.org> - 2016-10-18 18:50 +0200
    Re: [RFC][PATCHv3 1/6] printk: use vprintk_func in vprintk() Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-10-19 04:00 +0200

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