linux-kernel - Re: [PATCH] lib/vsprintf: add %pT format specifier

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Message-ID: <1389404212.2537.47.camel@joe-AO722>
Date:	Fri, 10 Jan 2014 17:36:52 -0800
From:	Joe Perches <joe@...ches.com>
To:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Cc:	akpm@...ux-foundation.org, pavel@....cz, keescook@...omium.org,
	geert@...ux-m68k.org, jkosina@...e.cz, viro@...iv.linux.org.uk,
	davem@...emloft.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] lib/vsprintf: add %pT format specifier

On Sat, 2014-01-11 at 10:28 +0900, Tetsuo Handa wrote:
>   Step 1: (targeted to 3.14-rc1)
>     Add "%pT" format specifier and commcpy() wrapper function.
> 
>   Step 2: (started after step 1 is reflected to other git trees)
>     Replace printk("%s", p->comm) with printk("%pT", p).

Replace printk("%s", current->comm) with printk("%pT", NULL);

?

>     Replace strcpy(buf, p->comm) with commcpy(buf, p).

>   Step 3: (started after step 2 is reflected to other git trees)
>     Add rcu_read_lock()/rcu_read_unlock() into commcpy().
>     Modify set_task_comm() etc. to replace ->comm using RCU.

Aren't steps 2 and 3 independent?

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