On Tue, 2012-09-11 at 15:55 +1000, Benjamin Herrenschmidt wrote:
> On Mon, 2012-09-10 at 22:42 -0700, Haren Myneni wrote:
> >
> > Thanks Michael. Yes, we noticed 6% overhead with null syscall test.
> > Hence added cmdline option as suggested. I will add this comment in
> > the
> > changelog.
> >
On Mon, 2012-09-10 at 22:42 -0700, Haren Myneni wrote:
>
> Thanks Michael. Yes, we noticed 6% overhead with null syscall test.
> Hence added cmdline option as suggested. I will add this comment in
> the
> changelog.
>
> Regarding the option name, I thought about various ones such as
> retain_proc
On 09/09/2012 05:22 PM, Michael Neuling wrote:
> Benjamin Herrenschmidt wrote:
>
>> On Sun, 2012-09-09 at 04:37 -0700, Haren Myneni wrote:
>>> enable_ppr kernel parameter is used to enable PPR save and restore.
>>> Supported on Power7 and later processors.
>>>
>>> By default, CPU_FTR_HAS_PPR is s
Benjamin Herrenschmidt wrote:
> On Sun, 2012-09-09 at 04:37 -0700, Haren Myneni wrote:
> > enable_ppr kernel parameter is used to enable PPR save and restore.
> > Supported on Power7 and later processors.
> >
> > By default, CPU_FTR_HAS_PPR is set for POWER7. If this parameter is not
> > passed,
On Sun, 2012-09-09 at 04:37 -0700, Haren Myneni wrote:
> enable_ppr kernel parameter is used to enable PPR save and restore.
> Supported on Power7 and later processors.
>
> By default, CPU_FTR_HAS_PPR is set for POWER7. If this parameter is not
> passed, disable CPU_FTR_HAS_PPR.
What is the point
enable_ppr kernel parameter is used to enable PPR save and restore.
Supported on Power7 and later processors.
By default, CPU_FTR_HAS_PPR is set for POWER7. If this parameter is not
passed, disable CPU_FTR_HAS_PPR.
Signed-off-by: Haren Myneni
---
Documentation/kernel-parameters.txt |4 +++
