linux-kernel - Re: [PATCH] kernel: power: replacing printk

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Date:	Tue, 27 Oct 2015 12:00:43 -0700
From:	Joe Perches <joe@...ches.com>
To:	Saurabh Sengar <saurabh.truth@...il.com>
Cc:	rjw@...ysocki.net, pavel@....cz, len.brown@...el.com,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kernel: power: replacing printk

On Tue, 2015-10-27 at 09:46 +0530, Saurabh Sengar wrote:
> replacing prink(s) with appropriate pr_info and pr_err
[]
> diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
[]
> @@ -486,9 +486,9 @@ static int enter_state(suspend_state_t state)
>  
>  #ifndef CONFIG_SUSPEND_SKIP_SYNC
>  	trace_suspend_resume(TPS("sync_filesystems"), 0, true);
> -	printk(KERN_INFO "PM: Syncing filesystems ... ");
> +	pr_info("PM: Syncing filesystems ... ");
>  	sys_sync();
> -	printk("done.\n");
> +	pr_info("done.\n");
>  	trace_suspend_resume(TPS("sync_filesystems"), 0, false);
>  #endif
>  

This isn't the same output.

The original code emits on a single line.

This new code emits on two lines, the second
line without a "PM: " prefix.


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