lkml.org 
[lkml]   [2010]   [Jun]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 09/12] irq: implement IRQ expecting
On Thu, 17 Jun 2010 13:23:27 +0200
Tejun Heo <tj@kernel.org> wrote:

> On 06/17/2010 01:12 PM, Thomas Gleixner wrote:
> >> Hmmm.... oh, I see. Wouldn't it be much better to use moving avg of
> >> IRQ durations instead of letting the driver specify it? Drivers are
> >> most likely to just hard code it and It's never gonna be accurate.
> >
> > Right, but that's probably more accurate than the core code heuristics
> > ever will be.
>
> Eh, not really. For ATA at least, there will be three different
> classes of devices. SSDs, hard drives and optical devices

At least four: It may also be battery backed RAM.

Alan




\
 
 \ /
  Last update: 2010-06-17 13:45    [from the cache]
©2003-2011 Jasper Spaans