lkml.org 
[lkml]   [2008]   [Jan]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86: provide a DMI based port 0x80 I/O delay override.
Christer Weinigel wrote:
>
> out 80h, al is only two bytes. Any alternative that has been suggested
> in this discussion will use more space. mov dx, alt_port; out dx, al
> will be larger, a function call will definitely be a lot larger. People
> have been making changes to the kernel to save a couple of hundred
> bytes of text size.
>

If text size becomes a problem in this case, then we can use an
alternatives-like mechanism to fix up the kernel. However,
realistically this probably should be a function call *combined with*
the out and in; that reduces the impact somewhat.

-hpa


\
 
 \ /
  Last update: 2008-01-01 22:25    [W:0.185 / U:0.680 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site