On Tue, Apr 10, 2007 at 08:11:18PM +0200, Andi Kleen wrote:
> On Tuesday 10 April 2007 19:24:25 Andreas Herrmann wrote:
> > This fix is needed for AMD family 10h CPUs.
> >
> > It prevents auto select of mwait_idle for AMD CPUs.
> > MWAIT does not enter C-states on family 10h and more
> > power
On Tue, Apr 10, 2007 at 08:11:18PM +0200, Andi Kleen wrote:
On Tuesday 10 April 2007 19:24:25 Andreas Herrmann wrote:
This fix is needed for AMD family 10h CPUs.
It prevents auto select of mwait_idle for AMD CPUs.
MWAIT does not enter C-states on family 10h and more
power saving is
On Tuesday 10 April 2007 19:24:25 Andreas Herrmann wrote:
> This fix is needed for AMD family 10h CPUs.
>
> It prevents auto select of mwait_idle for AMD CPUs.
> MWAIT does not enter C-states on family 10h and more
> power saving is reached by entering C1 with
> default_idle.
>
> The patch also
Actually I have also written patches to clear the MWAIT flag
for AMD CPUs.
But after re-reading of specs (also Intel's specs) I preferred
to keep the MWAIT flag but to introduce a MWAIT_NO_CSTATE flag.
I think this is the cleaner solution.
Regards,
Andreas
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To unsubscribe from this list:
This fix is needed for AMD family 10h CPUs.
It prevents auto select of mwait_idle for AMD CPUs.
MWAIT does not enter C-states on family 10h and more
power saving is reached by entering C1 with
default_idle.
The patch also adds an idle=mwait command line option
to select mwait_idle for
This fix is needed for AMD family 10h CPUs.
It prevents auto select of mwait_idle for AMD CPUs.
MWAIT does not enter C-states on family 10h and more
power saving is reached by entering C1 with
default_idle.
The patch also adds an idle=mwait command line option
to select mwait_idle for
Actually I have also written patches to clear the MWAIT flag
for AMD CPUs.
But after re-reading of specs (also Intel's specs) I preferred
to keep the MWAIT flag but to introduce a MWAIT_NO_CSTATE flag.
I think this is the cleaner solution.
Regards,
Andreas
-
To unsubscribe from this list:
On Tuesday 10 April 2007 19:24:25 Andreas Herrmann wrote:
This fix is needed for AMD family 10h CPUs.
It prevents auto select of mwait_idle for AMD CPUs.
MWAIT does not enter C-states on family 10h and more
power saving is reached by entering C1 with
default_idle.
The patch also adds an
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