linux-kernel - Re: [PATCH] fix busted pr_info conversion in kernel/workqueue.c

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Message-Id: <20140527204433.e22e1cca95d2b4a5dac5f960@skynet.be>
Date:	Tue, 27 May 2014 20:44:33 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	Valdis Kletnieks <Valdis.Kletnieks@...edu>
Cc:	Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fix busted pr_info conversion in kernel/workqueue.c

Hello Valdis,

	I thought Tejun directly reverted that patch (Joe Perches noticed
 the level problem just after submit).Anyway, problem is solved now :)

Thanks,
Fabian

On Tue, 27 May 2014 14:28:59 -0400
Valdis Kletnieks <Valdis.Kletnieks@...edu> wrote:

> (resend - first attempt ate the To: line)
> 
> commit 2d916033a318d7e763eb099c69600d5dcd1ccb6b
> Author: Fabian Frederick <fabf@...net.be>
> Date:   Mon May 12 13:59:35 2014 -0400
> 
>     kernel/workqueue.c: pr_warning/pr_warn & printk/pr_info
> 
> This commit did an incorrect printk->pr_info conversion. If we were
> converting to pr_info() we should lose the log_level parameter. The problem is
> that this is called (indirectly) by show_regs_print_info(), which is called
> with various log_levels (from _INFO clear to _EMERG). So we leave it as
> a printk() call so the desired log_level is applied.
> 
> Not a full revert, as the other half of the patch is correct.
> 
> Signed-off-by: Valdis Kletnieks <valdis.kletnieks@...edu>
> 
> --- linux-next/kernel/workqueue.c.dist	2014-05-26 11:18:40.155380772 -0400
> +++ linux-next/kernel/workqueue.c	2014-05-27 12:07:51.464678172 -0400
> @@ -4440,7 +4440,7 @@ void print_worker_info(const char *log_l
>  		probe_kernel_read(desc, worker->desc, sizeof(desc) - 1);
>  
>  	if (fn || name[0] || desc[0]) {
> -		pr_info("%sWorkqueue: %s %pf", log_lvl, name, fn);
> +		printk("%sWorkqueue: %s %pf", log_lvl, name, fn);
>  		if (desc[0])
>  			pr_cont(" (%s)", desc);
>  		pr_cont("\n");
> 
> 
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