lkml.org 
[lkml]   [2008]   [Nov]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 2/2] serial/8250.c: Use self-adjusting list for port poll order.
> This code does that by using the previous poll cycles as a hint.
> If a port is idle, it will migrate to the end of the list and
> only have to be checked once.
>
> Part 1 changed the list to singly-linked to make the list shuffling easier.
>
> Comments? Please?

Is it really worth the complexity

- PCI ports are shared IRQ always
- Legacy ports are almost never shared IRQ on the LPC bus (and are
increasingly going away)



\
 
 \ /
  Last update: 2008-11-14 22:49    [W:0.094 / U:0.184 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site