From: "H. Peter Anvin" <hpa@zytor.com>
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
Date: Tue, 13 Aug 2002 21:44:37 -0700 [thread overview]
Message-ID: <3D59E035.3080506@zytor.com> (raw)
In-Reply-To: Pine.LNX.4.44.0208132142310.1208-100000@home.transmeta.com
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
next prev parent reply other threads:[~2002-08-14 4:41 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-14 3:18 [patch] printk from userspace Andrew Morton
2002-08-14 3:58 ` Benjamin LaHaise
2002-08-14 4:00 ` H. Peter Anvin
2002-08-14 4:05 ` Benjamin LaHaise
2002-08-14 4:10 ` Alexander Viro
2002-08-14 4:11 ` Andrew Morton
2002-08-14 4:07 ` Benjamin LaHaise
2002-08-14 4:20 ` Alexander Viro
2002-08-14 4:26 ` Linus Torvalds
2002-08-14 4:35 ` Benjamin LaHaise
2002-08-14 4:42 ` H. Peter Anvin
2002-08-14 4:44 ` Linus Torvalds
2002-08-14 4:44 ` H. Peter Anvin [this message]
2002-08-14 4:48 ` Benjamin LaHaise
2002-08-14 4:58 ` Andrew Morton
2002-08-14 5:32 ` H. Peter Anvin
2002-08-19 11:28 ` Daniel Phillips
2002-08-14 7:59 ` Miquel van Smoorenburg
2002-08-14 16:12 ` serial console (was Re: [patch] printk from userspace) Arkadiusz Miskiewicz
2002-08-15 12:43 ` Miquel van Smoorenburg
2002-08-14 4:33 ` [patch] printk from userspace H. Peter Anvin
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