From: Al Viro <viro@ZenIV.linux.org.uk>
To: Nick Andrew <nick@nick-andrew.net>
Cc: Joe Perches <joe@perches.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Tejun Heo <tj@kernel.org>, Takashi Iwai <tiwai@suse.de>
Subject: Re: [RFC] Recursive printk
Date: Sat, 6 Dec 2008 19:35:41 +0000 [thread overview]
Message-ID: <20081206193541.GQ28946@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20081206084038.GG5957@mail.local.tull.net>
On Sat, Dec 06, 2008 at 07:40:38PM +1100, Nick Andrew wrote:
> The basic problem is that subsystems want to prepend or append their
> own data to kernel messages generated by subsystem code, and they
> both want to use printf-type strings. How to combine them into a
> single kernel log message without using extra memory, or double
> handling of strings?
The basic problem with your approach is that printk interpretation of
arguments becomes dependent on more than its first (and hopefully
an explicit constant) argument.
next prev parent reply other threads:[~2008-12-06 19:35 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-06 6:59 [RFC] Recursive printk Nick Andrew
2008-12-06 6:59 ` [RFC PATCH v1 1/3] Split the vsnprintf function into two parts Nick Andrew
2008-12-06 7:00 ` [RFC PATCH v1 2/3] Add %v support to vsnprintf() Nick Andrew
2008-12-06 17:27 ` Linus Torvalds
2008-12-06 7:00 ` [RFC PATCH v1 3/3] Sample refactor of socket.c to use recursive printk Nick Andrew
2008-12-06 7:03 ` David Miller
2008-12-06 7:18 ` Valdis.Kletnieks
2008-12-06 7:40 ` Nick Andrew
2008-12-06 7:20 ` [RFC] Recursive printk Andrew Morton
2008-12-06 7:33 ` Willy Tarreau
2008-12-06 7:41 ` Andrew Morton
2008-12-06 8:16 ` Willy Tarreau
2008-12-06 9:43 ` Takashi Iwai
2008-12-06 7:42 ` Joe Perches
2008-12-06 8:40 ` Nick Andrew
2008-12-06 9:11 ` Joe Perches
2008-12-06 23:16 ` Nick Andrew
2008-12-06 23:24 ` Linus Torvalds
2008-12-06 19:35 ` Al Viro [this message]
2008-12-06 8:30 ` Nick Andrew
2008-12-08 1:42 ` Tejun Heo
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