linux-kernel - Re: [PATCH NAND v3] mtd: nand: Replace printk() with appropriate pr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1519310758.2359.3.camel@gmail.com>
Date:   Thu, 22 Feb 2018 20:15:58 +0530
From:   Shreeya Patel <shreeya.patel23498@...il.com>
To:     Richard Weinberger <richard@....at>
Cc:     boris.brezillon@...e-electrons.com, dwmw2@...radead.org,
        computersforpeace@...il.com, marek.vasut@...il.com,
        cyrille.pitchen@...ev4u.fr, maximlevitsky@...il.com,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        ezequiel@...guardiasur.com.ar, outreachy-kernel@...glegroups.com
Subject: Re: [PATCH NAND v3] mtd: nand: Replace printk() with appropriate
 pr_*() macro

On Thu, 2018-02-22 at 15:30 +0100, Richard Weinberger wrote:
> Am Donnerstag, 22. Februar 2018, 14:10:14 CET schrieb Shreeya Patel:
> > 
> > @@ -438,7 +438,7 @@ static void __init doc2000_count_chips(struct
> > mtd_info
> > *mtd) break;
> >  	}
> >  	doc->chips_per_floor = i;
> > -	printk(KERN_DEBUG "Detected %d chips per floor.\n", i);
> > +	pr_debug("Detected %d chips per floor.\n", i);
> <bike-shedding>
> 
> You are aware of the fact that printk(KERN_DEBUG and pr_debug() are
> not 
> equivalent?
> Not a big deal, just want to make sure that you understand what you
> are doing. 

Actually pr_debug() shouldn't be used here.

We usually don't prefer pr_debug for drivers, instead we use dev_dbg.
But as Boris told me that it will be better to first having changed all
printks to pr_*() macro and then think about dev_*() macros.

> :-)
> 
> </bike-shedding>
> 
> Thanks,
> //richard