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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>
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@ -1803,7 +1803,7 @@ EXPORT_SYMBOL(vprintk_emit);
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asmlinkage int vprintk(const char *fmt, va_list args)
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asmlinkage int vprintk(const char *fmt, va_list args)
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{
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{
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return vprintk_emit(0, LOGLEVEL_DEFAULT, NULL, 0, fmt, args);
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return vprintk_func(fmt, args);
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}
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}
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EXPORT_SYMBOL(vprintk);
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EXPORT_SYMBOL(vprintk);
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