Messages in this thread | | | Date | Thu, 29 Jan 2004 21:24:52 +0900 | From | Hironobu Ishii <> | Subject | Re: [RFC/PATCH, 2/4] readX_check() performance evaluation |
| |
From: "Linus Torvalds" <torvalds@osdl.org> To: "Andi Kleen" <ak@suse.de> Cc: <willy@debian.org>; <ishii.hironobu@jp.fujitsu.com>; <linux-kernel@vger.kernel.org>; <linux-ia64@vger.kernel.org> Sent: Thursday, January 29, 2004 7:59 AM Subject: Re: [RFC/PATCH, 2/4] readX_check() performance evaluation
> > > On Wed, 28 Jan 2004, Andi Kleen wrote: > > > Doing a status read from the device should do it (just read the config > > > space, for example). > > > > The device is just not known. iirc you only get a bit in the bridge, which > > leaves a wide choice. > > read_pcix_error() _does_ know the device. The driver tells it. > > Remember: none of this should be done at machine check time. > > Linus
Thank you for a lot of comments. I prefer Linus's I/F than callback(exception) I/F, because I can recover from intermittent errors.
I'd need time to consider how to map these I/F onto ia64 platform. Later, I will post the result.
Thank you. Hironobu Ishii
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |