Re: [RFC/PATCH, 2/4] readX_check() performance evaluation

From: Andi Kleen <ak_at_suse.de>
Date: 2004-01-29 06:40:49
On Wed, 28 Jan 2004 11:33:33 -0800 (PST)
Linus Torvalds <torvalds@osdl.org> wrote:

> For example, if checking for an error involves actually reading a value 
> from a bridge register, then that implies some _serious_ amount of 
> serialization and external CPU stuff.

Which is _extremly_ hard to do from an MCE handler ...

(currently all our MCE handlers are buggy because they can deadlock on the 
printk lock) 

-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Received on Wed Jan 28 14:55:40 2004

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:21 EST