lkml.org 
[lkml]   [1998]   [Apr]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: write[blw] vs memcpy?
Date
> The way that the actual card's address space is accessible to the host
> machine can be changed more or less arbitrarily, that's why memcpy et al.
> shouldn't be used to access a card's memory. Some examples:

Ralf, this is an MCA bus relic from the 18th century. If you don't use stuff
like memcpy on it then the chances are you will be waiting all week for packets
to arrive. The driver also doesn't do any cache coherency. It's a PS/2 MCA
driver. That sort of limits it to PS/2's.

Alan


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu

\
 
 \ /
  Last update: 2005-03-22 13:42    [W:0.070 / U:0.256 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site