lkml.org 
[lkml]   [2016]   [Apr]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2] watchdog: add driver for StreamLabs USB watchdog device
From
Date
On Mon, 2016-04-18 at 09:39 -0700, Guenter Roeck wrote:
> > Possibly. We have never gone that route. The obvious problems is
> that
> > I am not sure our alignment is known before boot.
> >
> Seems scary. I always thought that the alignment associated with
> ____cacheline_aligned would be the maximum possible for a given
> build/architecture. If not, what is the value of having
> ____cacheline_aligned in the first place ?

I thought it was for performance to prevent cache bouncing.
I honestly don't know. You'd have to ask a specific question
on LKML.

Sorry
Oliver


\
 
 \ /
  Last update: 2016-04-19 10:21    [W:0.095 / U:0.220 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site