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Message-ID: <1388047414.2459.4.camel@joe-AO722>
Subject: Re: [PATCH] lib/vsprintf: add %pT[C012] format specifier
From: Joe Perches <joe@perches.com>
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: akpm@linux-foundation.org, jkosina@suse.cz, viro@zeniv.linux.org.uk,
        davem@davemloft.net, linux-kernel@vger.kernel.org
Date: Thu, 26 Dec 2013 00:43:34 -0800
In-Reply-To: <201312252137.IDC43215.OLtJQFHOFMVFSO@I-love.SAKURA.ne.jp>
References: <201312252137.IDC43215.OLtJQFHOFMVFSO@I-love.SAKURA.ne.jp>
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On Wed, 2013-12-25 at 21:37 +0900, Tetsuo Handa wrote:
> This patch introduces %pTC format specifier for reading task_struct->comm
> and %pT0 %pT1 %pT2 format specifiers for reading task_struct->comm and
> task_struct->pid.
[]
>   pr_info("comm=%s\n", p->comm);                => pr_info("comm=%pTC\n", p);
>   pr_info("%s[%u]\n", p->comm, p->pid);         => pr_info("%pT0\n", p);
>   pr_info("%s[%u]\n", p->comm, task_pid_nr(p)); => pr_info("%pT0\n", p);
>   pr_info("%s/%u\n", p->comm, p->pid);          => pr_info("%pT1\n", p);
>   pr_info("%s,%u\n", p->comm, p->pid);          => pr_info("%pT2\n", p);

Perhaps the presentation form should be standardized as well,
so %pT[012] would be unnecessary.'

Perhaps using only %pt and %ptp to emit the pid if desired
would be better.