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Date: Tue, 13 Aug 2002 21:44:37 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Linus Torvalds <torvalds@transmeta.com>
CC: Benjamin LaHaise <bcrl@redhat.com>, Alexander Viro <viro@math.psu.edu>,
       Andrew Morton <akpm@zip.com.au>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: [patch] printk from userspace
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Linus Torvalds wrote:
> On Wed, 14 Aug 2002, Benjamin LaHaise wrote:
> 
>>/dev/kmsg was another suggestion for the name.  But please revert the 
>>yet-another-syscall variant -- having a duplicate way for logging that 
>>doesn't work with stdio just seems sick to me (sys_syslog should die).
> 
> 
> Actually, anybody who uses stdio on syslog messages should be roasted. 
> Over the nice romantic glow of red-hot coal, slowly cooking the stupid git 
> alive.
> 
> It's not a bug, it's a feature. A syslog message needs to be atomic, which 
> means that it MUST NOT use the buffering of stdio. 
> 

You can do stdio nonbuffered.  As a matter of fact, if you're using 
klogd, it *will* be nonbuffered :^)

The point that Ben is making is that it should be a write() system call 
instead of something ad hockish, and I think I have to agree with him -- 
although, again, Andrew's patch does what I need.

	-hpa


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