lkml.org 
[lkml]   [2003]   [Jan]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Linux 2.4.21-pre3-ac4
Benjamin Herrenschmidt wrote:

>Ok, but PIIX runs on intel platforms with real IOs, so there is no need
>to perform a read... If we go the hwif->IOSYNC() way, we might well set
>it up to no-op on x86 PIO iops by default and read of alt-status on
>other archs if it's safe enough on other controllers/drives...
>
I believe that this will corrupt any inprogress UDMA transfer on the
promise 20265 chip and probably others. It would be better to read the
dma registers for the Promise controllers.

Ross


-
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/

\
 
 \ /
  Last update: 2005-03-22 13:32    [W:0.058 / U:1.104 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site