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Groups > linux.kernel > #1510419
| From | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [RFC][PATCHv4 1/6] printk: use vprintk_func in vprintk() |
| Date | 2016-10-27 18:00 +0200 |
| Message-ID | <swVfX-3Pm-13@gated-at.bofh.it> (permalink) |
| References | <swVfX-3Pm-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
---
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 de08fc9..539f31b 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1921,7 +1921,7 @@ 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);
--
2.10.1.502.g6598894
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[RFC][PATCHv4 1/6] printk: use vprintk_func in vprintk() Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-10-27 18:00 +0200
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