Re: [patch] printk from userspace

[H. Peter Anvin]

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