On 09/01/2014 02:42 PM, David Laight wrote:
>> Yes unlikely() should cover the whole if statement...
>
> Actually it probably shouldn't.
> You need to look at the generated code with each different set of 'unlikely()'
> to see how gcc processes them.
> In this case, if 'rebooting' is false you wan
From: Shilpa Bhat
> Hi Viresh,
> On Fri, 2014-08-29 at 05:33 +0530, Viresh Kumar wrote:
> > On 28 August 2014 19:36, Shilpasri G Bhat
> > wrote:
> > >
> > > Changes v1->v2:
> > > Invoke .target() driver callback to set the cpus to nominal frequency
> > > in reboot notifier, instead of calling cpuf
This patch ensures the cpus to kexec/reboot at nominal frequency.
Nominal frequency is the highest cpu frequency on PowerPC at
which the cores can run without getting throttled.
If the host kernel had set the cpus to a low pstate and then it
kexecs/reboots to a cpufreq disabled kernel it would cau
On 1 September 2014 10:48, Shilpa Bhat wrote:
> Hi Viresh,
> On Fri, 2014-08-29 at 05:33 +0530, Viresh Kumar wrote:
>> On 28 August 2014 19:36, Shilpasri G Bhat
>> wrote:
>> >
>> > Changes v1->v2:
>> > Invoke .target() driver callback to set the cpus to nominal frequency
>> > in reboot notifier,
Hi Viresh,
On Fri, 2014-08-29 at 05:33 +0530, Viresh Kumar wrote:
> On 28 August 2014 19:36, Shilpasri G Bhat
> wrote:
> >
> > Changes v1->v2:
> > Invoke .target() driver callback to set the cpus to nominal frequency
> > in reboot notifier, instead of calling cpufreq_suspend() as suggested
> > by
On 28 August 2014 19:36, Shilpasri G Bhat
wrote:
> This patch ensures the cpus to kexec/reboot at nominal frequency.
> Nominal frequency is the highest cpu frequency on PowerPC at
> which the cores can run without getting throttled.
>
> If the host kernel had set the cpus to a low pstate and then
