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From: Steven Rostedt <rostedt@goodmis.org>
To: Paulo Marques <pmarques@grupopie.com>
Cc: Satyam Sharma <satyam@infradead.org>,
	Gilboa Davara <gilboad@gmail.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Reduce __print_symbol/sprint_symbol stack usage.
Date: Fri, 21 Sep 2007 10:56:29 -0400	[thread overview]
Message-ID: <20070921145628.GE15697@goodmis.org> (raw)
In-Reply-To: <46F1314B.8040105@grupopie.com>

On Wed, Sep 19, 2007 at 03:25:15PM +0100, Paulo Marques wrote:
>
> if we change the interface from "print_symbol(fmt, addr)" to 
> "print_symbol(prefix, addr, int newline)" we can simply do:
>
> printk(prefix);
> printk_symbol(addr);
> if (newline)
> 	printk("\n");

NACK

I just wrote something that does "print_symbol(" %s)\n", addr);"
Notice the ")" in the output.

-- Steve

>
> where "printk_symbol" is a new function that does the same as 
> sprint_symbol, but does "printk" instead of "sprintf".
>
> This should reduce immensely the stack usage of print_symbol without the 
> need for locking.
>
> Of course this requires changing _all_ callers of print_symbol to use the 
> new interface, but these are less than 100 ;)
>
> Comments?
>
> -- 
> Paulo Marques - www.grupopie.com
>
> "You're just jealous because the voices only talk to me."
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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> Please read the FAQ at  http://www.tux.org/lkml/
>

  parent reply	other threads:[~2007-09-21 14:56 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-15 11:35 [Minor patch] Reduce __print_symbol/sprint_symbol stack usage Gilboa Davara
2007-09-15 13:02 ` Satyam Sharma
2007-09-15 15:15   ` Gilboa Davara
2007-09-15 18:08     ` [PATCH] " Gilboa Davara
2007-09-19  1:00       ` Satyam Sharma
2007-09-19 14:25         ` Paulo Marques
2007-09-21 12:45           ` Gilboa Davara
2007-09-21 14:21             ` Paulo Marques
2007-09-21 14:57               ` Gilboa Davara
2007-09-21 14:56           ` Steven Rostedt [this message]
2007-09-21 15:47             ` Paulo Marques
2007-09-21 12:31         ` Gilboa Davara
2007-09-21 14:28       ` [PATCH] Reduce __print_symbol/sprint_symbol stack usage. (v3) Gilboa Davara
2007-09-21 16:02         ` Paulo Marques
2007-09-21 16:19           ` Gilboa Davara
2007-09-21 14:47 ` [Minor patch] Reduce __print_symbol/sprint_symbol stack usage Steven Rostedt
2007-09-21 14:53   ` Gilboa Davara

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