lkml.org 
[lkml]   [2007]   [Dec]   [7]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateFri, 7 Dec 2007 15:54:30 +0100
FromAndi Kleen <>
SubjectRe: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops
> My machine in question, for example, needs no waiting within CMOS_READs 
> at all.   And I doubt any other chip/device needs waiting that isn't 

I don't know about CMOS, but there were definitely some not too ancient
systems (let's say not more than 10 years) who required IO delays in the
floppy driver and the 8253/8259. But on those the jumps are already
far too fast.

-Andi


\
 
 \ /
  Last update: 2007-12-07 15:57    [from the cache]
©2003-2008