Re: [PATCH v5 4/4] printk: use the lockless ringbuffer

From: Sergey Senozhatsky
Date: Mon Jul 20 2020 - 04:34:28 EST


On (20/07/20 08:43), Marco Elver wrote:
[..]
> please see a full list of newline-print users below.
[..]
> $> git grep -En '\<(printk|pr_err|pr_warn|pr_info)\>\("\\n"\)'
> arch/alpha/kernel/core_wildfire.c:650: printk("\n");
> arch/alpha/kernel/core_wildfire.c:658: printk("\n");
> arch/alpha/kernel/traps.c:120: printk("\n");
[..]

In many cases printk("\n") is not for "print a blank line", but
rather for "flush pr_cont buffer".

-ss