lkml.org 
[lkml]   [2010]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: CPUfreq - udelay() interaction issues
Arjan van de Ven wrote:
> so in reality, all hardware that does coordination between cores/etc
> like this also has a tsc that is invariant of the actual P state.
> If there are exceptions, those have a problem, but I can't think of any
> right now.
> Once the TSC is invariant of P state, udelay() is fine, since that goes
> of the tsc, not of some delay loop kind of thing....

I assume you are talking specifically about x86. I want x86 to be
correct, but also want ARM to be correct. So, at this point I might as
well try to put in an arch independent fix.

Thanks,
Saravana


\
 
 \ /
  Last update: 2010-04-24 04:59    [W:0.071 / U:0.880 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site