To: Neil Zhang
>> > Cc: Dan Streetman; linux-kernel@vger.kernel.org
>> > Subject: Re: [PATCH] drivers: base: update cpu offline info when do hotplug
>> >
>> > On Sun, Oct 26, 2014 at 06:43:11PM -0700, Neil Zhang wrote:
>> > > Greg,
>> > >
>&g
> -Original Message-
> From: Greg KH [mailto:gre...@linuxfoundation.org]
> Sent: 2014年10月27日 10:27
> To: Neil Zhang
> Cc: Dan Streetman; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] drivers: base: update cpu offline info when do hotplug
>
> On Sun, Oc
[mailto:ddstr...@gmail.com] On Behalf Of
> > > > Dan Streetman
> > > > Sent: 2014年10月21日 1:03
> > > > To: Neil Zhang
> > > > Cc: Greg KH; linux-kernel@vger.kernel.org
> > > > Subject: Re: [PATCH] drivers: base: update cpu offline
> -Original Message-
> From: Greg KH [mailto:gre...@linuxfoundation.org]
> Sent: 2014年10月27日 9:59
> To: Neil Zhang
> Cc: Dan Streetman; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] drivers: base: update cpu offline info when do hotplug
>
> On Sun, Oct 26,
KH; linux-kernel@vger.kernel.org
> > Subject: Re: [PATCH] drivers: base: update cpu offline info when do hotplug
> >
> > On Mon, Oct 20, 2014 at 3:40 AM, Neil Zhang wrote:
> > > Greg,
> > >
> > >
> > > -Original Message-
> > > F
Greg,
> -Original Message-
> From: ddstr...@gmail.com [mailto:ddstr...@gmail.com] On Behalf Of Dan
> Streetman
> Sent: 2014年10月21日 1:03
> To: Neil Zhang
> Cc: Greg KH; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] drivers: base: update cpu offline info when d
On Tue, Oct 21, 2014 at 9:02 AM, Dan Streetman wrote:
> On Sun, Oct 19, 2014 at 11:29 PM, Neil Zhang wrote:
>> The current per-cpu offline info won't be updated if it is
>> hotplugged in/out by a kernel governer.
>> Let's update it via cpu notifier.
>>
>> Signed-off-by: Neil Zhang
>> ---
>> dri
Dan,
> -Original Message-
> From: ddstr...@gmail.com [mailto:ddstr...@gmail.com] On Behalf Of Dan
> Streetman
> Sent: 2014年10月21日 21:03
> To: Neil Zhang
> Cc: linux-kernel; Greg Kroah-Hartman
> Subject: Re: [PATCH] drivers: base: update cpu offline info when do hotplu
On Sun, Oct 19, 2014 at 11:29 PM, Neil Zhang wrote:
> The current per-cpu offline info won't be updated if it is
> hotplugged in/out by a kernel governer.
> Let's update it via cpu notifier.
>
> Signed-off-by: Neil Zhang
> ---
> drivers/base/cpu.c | 25 +
> 1 file chang
e-
>>> From: Greg KH [mailto:gre...@linuxfoundation.org]
>>> Sent: 2014年10月20日 14:48
>>> To: Neil Zhang
>>> Cc: linux-kernel@vger.kernel.org
>>> Subject: Re: [PATCH] drivers: base: update cpu offline info when do
>>> hotplug
>>>
>
: Re: [PATCH] drivers: base: update cpu offline info when do
hotplug
On Sun, Oct 19, 2014 at 11:39:23PM -0700, Neil Zhang wrote:
How much noise is this going to cause on a big/little system that
constantly hot unplug/plugs processors all of the time?
Can you explain more what kind of noise will
> -Original Message-
> From: Yasuaki Ishimatsu [mailto:isimatu.yasu...@jp.fujitsu.com]
> Sent: 2014年10月21日 11:27
> To: Neil Zhang; Dan Streetman
> Cc: Greg KH; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] drivers: base: update cpu offline info when do hotplug
&
: [PATCH] drivers: base: update cpu offline info when do
hotplug
On Sun, Oct 19, 2014 at 11:39:23PM -0700, Neil Zhang wrote:
How much noise is this going to cause on a big/little system that
constantly hot unplug/plugs processors all of the time?
Can you explain more what kind of noise will be
Yasuaki,
> -Original Message-
> From: Yasuaki Ishimatsu [mailto:isimatu.yasu...@jp.fujitsu.com]
> Sent: 2014年10月21日 10:57
> To: Dan Streetman; Neil Zhang
> Cc: Greg KH; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] drivers: base: update cpu offline info when do ho
: base: update cpu offline info when do hotplug
On Sun, Oct 19, 2014 at 11:39:23PM -0700, Neil Zhang wrote:
How much noise is this going to cause on a big/little system that
constantly hot unplug/plugs processors all of the time?
Can you explain more what kind of noise will be introduced on a
Dan,
> -Original Message-
> From: ddstr...@gmail.com [mailto:ddstr...@gmail.com] On Behalf Of Dan
> Streetman
> Sent: 2014年10月21日 1:03
> To: Neil Zhang
> Cc: Greg KH; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] drivers: base: update cpu offline info when do
On Mon, Oct 20, 2014 at 3:40 AM, Neil Zhang wrote:
> Greg,
>
>
> -Original Message-
> From: Greg KH [mailto:gre...@linuxfoundation.org]
> Sent: 2014年10月20日 14:48
> To: Neil Zhang
> Cc: linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] drivers: base: upda
Greg,
-Original Message-
From: Greg KH [mailto:gre...@linuxfoundation.org]
Sent: 2014年10月20日 14:48
To: Neil Zhang
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drivers: base: update cpu offline info when do hotplug
On Sun, Oct 19, 2014 at 11:39:23PM -0700, Neil Zhang wrote
On Sun, Oct 19, 2014 at 11:39:23PM -0700, Neil Zhang wrote:
>> How much noise is this going to cause on a big/little system that
>> constantly hot unplug/plugs processors all of the time?
>
> Can you explain more what kind of noise will be introduced on a big/little
> system?
Have you tested thi
Greg,
-Original Message-
From: Greg KH [mailto:gre...@linuxfoundation.org]
Sent: 2014年10月20日 12:44
To: Neil Zhang
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drivers: base: update cpu offline info when do hotplug
On Mon, Oct 20, 2014 at 11:29:08AM +0800, Neil Zhang wrote
On Mon, Oct 20, 2014 at 11:29:08AM +0800, Neil Zhang wrote:
> The current per-cpu offline info won't be updated if it is
> hotplugged in/out by a kernel governer.
> Let's update it via cpu notifier.
>
> Signed-off-by: Neil Zhang
> ---
> drivers/base/cpu.c | 25 +
> 1 fi
The current per-cpu offline info won't be updated if it is
hotplugged in/out by a kernel governer.
Let's update it via cpu notifier.
Signed-off-by: Neil Zhang
---
drivers/base/cpu.c | 25 +
1 file changed, 25 insertions(+)
diff --git a/drivers/base/cpu.c b/drivers/base
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