lkml.org 
[lkml]   [2014]   [Aug]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 0/3] Experimental patchset for CPPC
On Thu, Aug 14, 2014 at 03:57:07PM -0400, Ashwin Chaugule wrote:
>
>
> What is CPPC:
> =============
>
> CPPC is the new interface for CPU performance control between the OS and the
> platform defined in ACPI 5.0+. The interface is built on an abstract
> representation of CPU performance rather than raw frequency. Basic operation
> consists of:

Why do we want this? Typically we've ignored ACPI and gone straight to
MSR access, intel_pstate and intel_idle were created especially to avoid
ACPI, so why return to it.

Also, the whole interface sounds like trainwreck (one would not expect
anything else from ACPI).

So _why_?
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2014-08-14 23:21    [W:0.096 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site