Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-17 Thread Oleksandr Tyshchenko
On Fri, Nov 17, 2017 at 4:01 PM, Julien Grall wrote: > Hi, Hi, Julien. > > First of all, thank you Oleksandr for starting a thread around CPUFreq > support. Thank you for the valued comments. > > On 11/16/2017 05:04 PM, Andre Przywara wrote: >> >> On 16/11/17 14:57, Oleksandr Tyshchenko wrote: >

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-17 Thread Oleksandr Tyshchenko
On Fri, Nov 17, 2017 at 6:41 PM, Andre Przywara wrote: > Hi, Hi Andre > > > >>> So Xen does not need to throw in its own ideas here. Which would avoid >>> some of the hard problems we encountered. >> I got all your point. >> Just question. Why does existing CPUFreq on x86 have own logic? Do

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-17 Thread Andre Przywara
Hi, >> So Xen does not need to throw in its own ideas here. Which would avoid >> some of the hard problems we encountered. > I got all your point. > Just question. Why does existing CPUFreq on x86 have own logic? Do we have > something yet another on ARM that having own logic in Xen doesn't

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-17 Thread Oleksandr Tyshchenko
On Thu, Nov 16, 2017 at 7:04 PM, Andre Przywara wrote: > Hi, Hi Andre Thank you for your comments! > > On 16/11/17 14:57, Oleksandr Tyshchenko wrote: >> On Wed, Nov 15, 2017 at 4:28 PM, Andre Przywara >> wrote: >>> Hi, >> Hi Andre, Jassi >> >> Thank you for your comments! >> >>> >>> On 14/11/17

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-17 Thread Julien Grall
Hi, First of all, thank you Oleksandr for starting a thread around CPUFreq support. On 11/16/2017 05:04 PM, Andre Przywara wrote: On 16/11/17 14:57, Oleksandr Tyshchenko wrote: On Wed, Nov 15, 2017 at 4:28 PM, Andre Przywara wrote: Anyway, I think we should go step-by-step. If community agr

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-16 Thread Andre Przywara
Hi, On 16/11/17 14:57, Oleksandr Tyshchenko wrote: > On Wed, Nov 15, 2017 at 4:28 PM, Andre Przywara > wrote: >> Hi, > Hi Andre, Jassi > > Thank you for your comments! > >> >> On 14/11/17 20:46, Oleksandr Tyshchenko wrote: >>> On Tue, Nov 14, 2017 at 12:49 PM, Andre Przywara >>> wrote: Hi

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-16 Thread Oleksandr Tyshchenko
On Wed, Nov 15, 2017 at 4:28 PM, Andre Przywara wrote: > Hi, Hi Andre, Jassi Thank you for your comments! > > On 14/11/17 20:46, Oleksandr Tyshchenko wrote: >> On Tue, Nov 14, 2017 at 12:49 PM, Andre Przywara >> wrote: >>> Hi, >> Hi Andre >> >>> >>> On 13/11/17 19:40, Oleksandr Tyshchenko wrote

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-15 Thread Jassi Brar
On 15 November 2017 at 18:58, Andre Przywara wrote: > Hi, > > On 15/11/17 03:03, Jassi Brar wrote: >> On 15 November 2017 at 02:16, Oleksandr Tyshchenko >> wrote: >>> On Tue, Nov 14, 2017 at 12:49 PM, Andre Przywara >>> wrote: >>> >> >>> 3. Direct ported SCPI protocol, mailbox infrastructur

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-15 Thread Andre Przywara
Hi, On 14/11/17 20:46, Oleksandr Tyshchenko wrote: > On Tue, Nov 14, 2017 at 12:49 PM, Andre Przywara > wrote: >> Hi, > Hi Andre > >> >> On 13/11/17 19:40, Oleksandr Tyshchenko wrote: >>> On Mon, Nov 13, 2017 at 5:21 PM, Andre Przywara >>> wrote: Hi, >>> Hi Andre, >>> thanks very

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-15 Thread Andre Przywara
Hi, On 15/11/17 03:03, Jassi Brar wrote: > On 15 November 2017 at 02:16, Oleksandr Tyshchenko > wrote: >> On Tue, Nov 14, 2017 at 12:49 PM, Andre Przywara >> wrote: >> > >> 3. Direct ported SCPI protocol, mailbox infrastructure and the ARM SMC >> triggered mailbox driver. All componen

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-14 Thread Jassi Brar
On 15 November 2017 at 02:16, Oleksandr Tyshchenko wrote: > On Tue, Nov 14, 2017 at 12:49 PM, Andre Przywara > wrote: > > 3. Direct ported SCPI protocol, mailbox infrastructure and the ARM SMC > triggered mailbox driver. All components except mailbox driver are in > mainline Linux.

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-14 Thread Oleksandr Tyshchenko
On Tue, Nov 14, 2017 at 12:49 PM, Andre Przywara wrote: > Hi, Hi Andre > > On 13/11/17 19:40, Oleksandr Tyshchenko wrote: >> On Mon, Nov 13, 2017 at 5:21 PM, Andre Przywara >> wrote: >>> Hi, >> Hi Andre, >> >>> >>> thanks very much for your work on this! >> Thank you for your comments. >> >>> >>

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-14 Thread Andre Przywara
Hi, On 13/11/17 19:40, Oleksandr Tyshchenko wrote: > On Mon, Nov 13, 2017 at 5:21 PM, Andre Przywara > wrote: >> Hi, > Hi Andre > >> >> thanks very much for your work on this! > Thank you for your comments. > >> >> On 09/11/17 17:09, Oleksandr Tyshchenko wrote: >>> From: Oleksandr Tyshchenko >

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-13 Thread Oleksandr Tyshchenko
On Mon, Nov 13, 2017 at 5:21 PM, Andre Przywara wrote: > Hi, Hi Andre > > thanks very much for your work on this! Thank you for your comments. > > On 09/11/17 17:09, Oleksandr Tyshchenko wrote: >> From: Oleksandr Tyshchenko >> >> Hi, all. >> >> The purpose of this RFC patch series is to add CPU

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-13 Thread Oleksandr Tyshchenko
On Thu, Nov 9, 2017 at 7:18 PM, Andrii Anisov wrote: > Dear Oleksandr, Dear Andrii > > > Please consider my `Reviewed-by: Andrii Anisov ` for > all patches. > > What you missed after extracting this stuff from github. Thanks. I will add. > > > On 09.11.17 19:09, Oleksandr Tyshchenko wrote: >> >>

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-13 Thread Andre Przywara
Hi, thanks very much for your work on this! On 09/11/17 17:09, Oleksandr Tyshchenko wrote: > From: Oleksandr Tyshchenko > > Hi, all. > > The purpose of this RFC patch series is to add CPUFreq support to Xen on ARM. > Motivation of hypervisor based CPUFreq is to enable one of the main PM > use

Re: [Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-09 Thread Andrii Anisov
Dear Oleksandr, Please consider my `Reviewed-by: Andrii Anisov ` for all patches. What you missed after extracting this stuff from github. On 09.11.17 19:09, Oleksandr Tyshchenko wrote: From: Oleksandr Tyshchenko -- *Andrii Anisov* ___ Xen

[Xen-devel] [RFC PATCH 00/31] CPUFreq on ARM

2017-11-09 Thread Oleksandr Tyshchenko
From: Oleksandr Tyshchenko Hi, all. The purpose of this RFC patch series is to add CPUFreq support to Xen on ARM. Motivation of hypervisor based CPUFreq is to enable one of the main PM use-cases in virtualized system powered by Xen hypervisor. Rationale behind this activity is that CPU virtual