On 20/10/2016 10:14, Haozhong Zhang wrote:
>
>
>> Once dom0 has a mapping of the nvdimm, the nvdimm driver can go to
>> work
>> and figure out what is on the DIMM, and which areas are safe to use.
> I don't understand this ordering of events. Dom0 needs to have a
> mapping
On 10/14/16 04:16 -0600, Jan Beulich wrote:
On 13.10.16 at 17:46, wrote:
On 10/13/16 03:08 -0600, Jan Beulich wrote:
On 13.10.16 at 10:53, wrote:
On 10/13/16 02:34 -0600, Jan Beulich wrote:
On 12.10.16 at 18:19, wrote:
On Wed, Oct 12, 2016 at 9:01 AM, Jan Beulich wrote:
On 12.10.16 at 1
On 10/14/16 13:18 +0100, Andrew Cooper wrote:
On 14/10/16 08:08, Haozhong Zhang wrote:
On 10/13/16 20:33 +0100, Andrew Cooper wrote:
On 13/10/16 19:59, Dan Williams wrote:
On Thu, Oct 13, 2016 at 9:01 AM, Andrew Cooper
wrote:
On 13/10/16 16:40, Dan Williams wrote:
On Thu, Oct 13, 2016 at 2:
On 14/10/16 08:08, Haozhong Zhang wrote:
> On 10/13/16 20:33 +0100, Andrew Cooper wrote:
>> On 13/10/16 19:59, Dan Williams wrote:
>>> On Thu, Oct 13, 2016 at 9:01 AM, Andrew Cooper
>>> wrote:
On 13/10/16 16:40, Dan Williams wrote:
> On Thu, Oct 13, 2016 at 2:08 AM, Jan Beulich
> wro
>>> On 13.10.16 at 17:46, wrote:
> On 10/13/16 03:08 -0600, Jan Beulich wrote:
> On 13.10.16 at 10:53, wrote:
>>> On 10/13/16 02:34 -0600, Jan Beulich wrote:
>>> On 12.10.16 at 18:19, wrote:
> On Wed, Oct 12, 2016 at 9:01 AM, Jan Beulich wrote:
> On 12.10.16 at 17:42, wrote
>>> On 13.10.16 at 17:40, wrote:
> On Thu, Oct 13, 2016 at 2:08 AM, Jan Beulich wrote:
> [..]
>>> I think we can do the similar for Xen, like to lay another pseudo
>>> device on /dev/pmem and do the reservation, like 2. in my previous
>>> reply.
>>
>> Well, my opinion certainly doesn't count much
On 10/13/16 20:33 +0100, Andrew Cooper wrote:
On 13/10/16 19:59, Dan Williams wrote:
On Thu, Oct 13, 2016 at 9:01 AM, Andrew Cooper
wrote:
On 13/10/16 16:40, Dan Williams wrote:
On Thu, Oct 13, 2016 at 2:08 AM, Jan Beulich wrote:
[..]
I think we can do the similar for Xen, like to lay anoth
On 13/10/16 19:59, Dan Williams wrote:
> On Thu, Oct 13, 2016 at 9:01 AM, Andrew Cooper
> wrote:
>> On 13/10/16 16:40, Dan Williams wrote:
>>> On Thu, Oct 13, 2016 at 2:08 AM, Jan Beulich wrote:
>>> [..]
> I think we can do the similar for Xen, like to lay another pseudo
> device on /dev/
On Thu, Oct 13, 2016 at 9:01 AM, Andrew Cooper
wrote:
> On 13/10/16 16:40, Dan Williams wrote:
>> On Thu, Oct 13, 2016 at 2:08 AM, Jan Beulich wrote:
>> [..]
I think we can do the similar for Xen, like to lay another pseudo
device on /dev/pmem and do the reservation, like 2. in my previ
On 13/10/16 16:40, Dan Williams wrote:
> On Thu, Oct 13, 2016 at 2:08 AM, Jan Beulich wrote:
> [..]
>>> I think we can do the similar for Xen, like to lay another pseudo
>>> device on /dev/pmem and do the reservation, like 2. in my previous
>>> reply.
>> Well, my opinion certainly doesn't count mu
On 10/13/16 03:08 -0600, Jan Beulich wrote:
On 13.10.16 at 10:53, wrote:
On 10/13/16 02:34 -0600, Jan Beulich wrote:
On 12.10.16 at 18:19, wrote:
On Wed, Oct 12, 2016 at 9:01 AM, Jan Beulich wrote:
On 12.10.16 at 17:42, wrote:
On Wed, Oct 12, 2016 at 8:39 AM, Jan Beulich wrote:
On 12.1
On Thu, Oct 13, 2016 at 2:08 AM, Jan Beulich wrote:
[..]
>> I think we can do the similar for Xen, like to lay another pseudo
>> device on /dev/pmem and do the reservation, like 2. in my previous
>> reply.
>
> Well, my opinion certainly doesn't count much here, but I continue to
> consider this a
+Dan Williams
I accidentally dropped him in my last reply. Add him back.
On 10/13/16 16:53 +0800, Haozhong Zhang wrote:
On 10/13/16 02:34 -0600, Jan Beulich wrote:
On 12.10.16 at 18:19, wrote:
On Wed, Oct 12, 2016 at 9:01 AM, Jan Beulich wrote:
On 12.10.16 at 17:42, wrote:
On Wed, Oct 12
>>> On 13.10.16 at 10:53, wrote:
> On 10/13/16 02:34 -0600, Jan Beulich wrote:
> On 12.10.16 at 18:19, wrote:
>>> On Wed, Oct 12, 2016 at 9:01 AM, Jan Beulich wrote:
>>> On 12.10.16 at 17:42, wrote:
> On Wed, Oct 12, 2016 at 8:39 AM, Jan Beulich wrote:
> On 12.10.16 at 16:5
On 10/13/16 02:34 -0600, Jan Beulich wrote:
On 12.10.16 at 18:19, wrote:
On Wed, Oct 12, 2016 at 9:01 AM, Jan Beulich wrote:
On 12.10.16 at 17:42, wrote:
On Wed, Oct 12, 2016 at 8:39 AM, Jan Beulich wrote:
On 12.10.16 at 16:58, wrote:
On 10/12/16 05:32 -0600, Jan Beulich wrote:
On 12.1
>>> On 12.10.16 at 18:19, wrote:
> On Wed, Oct 12, 2016 at 9:01 AM, Jan Beulich wrote:
> On 12.10.16 at 17:42, wrote:
>>> On Wed, Oct 12, 2016 at 8:39 AM, Jan Beulich wrote:
>>> On 12.10.16 at 16:58, wrote:
> On 10/12/16 05:32 -0600, Jan Beulich wrote:
> On 12.10.16 at 12:3
On Wed, Oct 12, 2016 at 9:01 AM, Jan Beulich wrote:
On 12.10.16 at 17:42, wrote:
>> On Wed, Oct 12, 2016 at 8:39 AM, Jan Beulich wrote:
>> On 12.10.16 at 16:58, wrote:
On 10/12/16 05:32 -0600, Jan Beulich wrote:
On 12.10.16 at 12:33, wrote:
>> The layout is shown as
>>> On 12.10.16 at 17:42, wrote:
> On Wed, Oct 12, 2016 at 8:39 AM, Jan Beulich wrote:
> On 12.10.16 at 16:58, wrote:
>>> On 10/12/16 05:32 -0600, Jan Beulich wrote:
>>> On 12.10.16 at 12:33, wrote:
> The layout is shown as the following diagram.
>
> +---+---
On Wed, Oct 12, 2016 at 8:39 AM, Jan Beulich wrote:
On 12.10.16 at 16:58, wrote:
>> On 10/12/16 05:32 -0600, Jan Beulich wrote:
>> On 12.10.16 at 12:33, wrote:
The layout is shown as the following diagram.
+---+---+---+--+--+
>>
>>> On 12.10.16 at 16:58, wrote:
> On 10/12/16 05:32 -0600, Jan Beulich wrote:
> On 12.10.16 at 12:33, wrote:
>>> The layout is shown as the following diagram.
>>>
>>> +---+---+---+--+--+
>>> | whatever used | Partition | Super | Reserved | /dev/pme
On 10/12/16 05:32 -0600, Jan Beulich wrote:
On 12.10.16 at 12:33, wrote:
The layout is shown as the following diagram.
+---+---+---+--+--+
| whatever used | Partition | Super | Reserved | /dev/pmem0p1 |
| by kernel| Table | Block | for Xen
>>> On 12.10.16 at 12:33, wrote:
> The layout is shown as the following diagram.
>
> +---+---+---+--+--+
> | whatever used | Partition | Super | Reserved | /dev/pmem0p1 |
> | by kernel| Table | Block | for Xen | |
> +-
On 10/11/16 13:17 -0700, Dan Williams wrote:
On Tue, Oct 11, 2016 at 12:48 PM, Konrad Rzeszutek Wilk
wrote:
On Tue, Oct 11, 2016 at 12:28:56PM -0700, Dan Williams wrote:
On Tue, Oct 11, 2016 at 11:33 AM, Konrad Rzeszutek Wilk
wrote:
> On Tue, Oct 11, 2016 at 10:51:19AM -0700, Dan Williams wro
>>> On 11.10.16 at 17:53, wrote:
> On Tue, Oct 11, 2016 at 6:08 AM, Jan Beulich wrote:
> Andrew Cooper 10/10/16 6:44 PM >>>
>>>On 10/10/16 01:35, Haozhong Zhang wrote:
Xen hypervisor needs assistance from Dom0 Linux kernel for following tasks:
1) Reserve an area on NVDIMM devices f
On 11/10/16 20:48, Konrad Rzeszutek Wilk wrote:
> On Tue, Oct 11, 2016 at 12:28:56PM -0700, Dan Williams wrote:
>> On Tue, Oct 11, 2016 at 11:33 AM, Konrad Rzeszutek Wilk
>> wrote:
>>> On Tue, Oct 11, 2016 at 10:51:19AM -0700, Dan Williams wrote:
>> [..]
Right, but why does the libnvdimm core
On Tue, Oct 11, 2016 at 12:48 PM, Konrad Rzeszutek Wilk
wrote:
> On Tue, Oct 11, 2016 at 12:28:56PM -0700, Dan Williams wrote:
>> On Tue, Oct 11, 2016 at 11:33 AM, Konrad Rzeszutek Wilk
>> wrote:
>> > On Tue, Oct 11, 2016 at 10:51:19AM -0700, Dan Williams wrote:
>> [..]
>> >> Right, but why does
On Tue, Oct 11, 2016 at 12:28:56PM -0700, Dan Williams wrote:
> On Tue, Oct 11, 2016 at 11:33 AM, Konrad Rzeszutek Wilk
> wrote:
> > On Tue, Oct 11, 2016 at 10:51:19AM -0700, Dan Williams wrote:
> [..]
> >> Right, but why does the libnvdimm core need to know about this
> >> specific Xen reservatio
> Andrew, why are you providing input to this so late?
First of sorry for this outburst. It was quite uncalled for and quite
unprofessional. You of all people have so much on your plate that I am
astonished that you are able to operate with some many pokers in the
fire.
Again, my sincere apology.
On Tue, Oct 11, 2016 at 11:33 AM, Konrad Rzeszutek Wilk
wrote:
> On Tue, Oct 11, 2016 at 10:51:19AM -0700, Dan Williams wrote:
[..]
>> Right, but why does the libnvdimm core need to know about this
>> specific Xen reservation? For example, if Xen wants some in-kernel
>
> Let me turn this around -
On Tue, Oct 11, 2016 at 07:37:09PM +0100, Andrew Cooper wrote:
> On 11/10/16 06:52, Haozhong Zhang wrote:
> > On 10/10/16 17:43, Andrew Cooper wrote:
> >> On 10/10/16 01:35, Haozhong Zhang wrote:
> >>> Overview
> >>>
> >>> This RFC kernel patch series along with corresponding patch series
On Tue, Oct 11, 2016 at 07:37:09PM +0100, Andrew Cooper wrote:
> On 11/10/16 06:52, Haozhong Zhang wrote:
> > On 10/10/16 17:43, Andrew Cooper wrote:
> >> On 10/10/16 01:35, Haozhong Zhang wrote:
> >>> Overview
> >>>
> >>> This RFC kernel patch series along with corresponding patch series
On Tue, Oct 11, 2016 at 07:15:42PM +0100, Andrew Cooper wrote:
> On 11/10/16 18:51, Dan Williams wrote:
> > On Tue, Oct 11, 2016 at 9:58 AM, Konrad Rzeszutek Wilk
> > wrote:
> >> On Tue, Oct 11, 2016 at 08:53:33AM -0700, Dan Williams wrote:
> >>> On Tue, Oct 11, 2016 at 6:08 AM, Jan Beulich wrote
On 11/10/16 06:52, Haozhong Zhang wrote:
> On 10/10/16 17:43, Andrew Cooper wrote:
>> On 10/10/16 01:35, Haozhong Zhang wrote:
>>> Overview
>>>
>>> This RFC kernel patch series along with corresponding patch series of
>>> Xen, QEMU and ndctl implements Xen vNVDIMM, which can map the host
>
.localdomain>
> From: Dan Williams
> Date: Tue, 11 Oct 2016 10:51:19 -0700
> Message-ID:
>
> Subject: Re: [Xen-devel] [RFC KERNEL PATCH 0/2] Add Dom0 NVDIMM support for
> Xen
> To: Konrad Rzeszutek Wilk
> Cc: Jan Beulich , Juergen Gross ,
> Haozh
On 11/10/16 18:51, Dan Williams wrote:
> On Tue, Oct 11, 2016 at 9:58 AM, Konrad Rzeszutek Wilk
> wrote:
>> On Tue, Oct 11, 2016 at 08:53:33AM -0700, Dan Williams wrote:
>>> On Tue, Oct 11, 2016 at 6:08 AM, Jan Beulich wrote:
>>> Andrew Cooper 10/10/16 6:44 PM >>>
> On 10/10/16 01:35, Ha
On Tue, Oct 11, 2016 at 9:58 AM, Konrad Rzeszutek Wilk
wrote:
> On Tue, Oct 11, 2016 at 08:53:33AM -0700, Dan Williams wrote:
>> On Tue, Oct 11, 2016 at 6:08 AM, Jan Beulich wrote:
>> Andrew Cooper 10/10/16 6:44 PM >>>
>> >>On 10/10/16 01:35, Haozhong Zhang wrote:
>> >>> Xen hypervisor need
On Tue, Oct 11, 2016 at 08:53:33AM -0700, Dan Williams wrote:
> On Tue, Oct 11, 2016 at 6:08 AM, Jan Beulich wrote:
> Andrew Cooper 10/10/16 6:44 PM >>>
> >>On 10/10/16 01:35, Haozhong Zhang wrote:
> >>> Xen hypervisor needs assistance from Dom0 Linux kernel for following
> >>> tasks:
> >>>
On Tue, Oct 11, 2016 at 6:08 AM, Jan Beulich wrote:
Andrew Cooper 10/10/16 6:44 PM >>>
>>On 10/10/16 01:35, Haozhong Zhang wrote:
>>> Xen hypervisor needs assistance from Dom0 Linux kernel for following tasks:
>>> 1) Reserve an area on NVDIMM devices for Xen hypervisor to place
>>>memory
>>> Andrew Cooper 10/10/16 6:44 PM >>>
>On 10/10/16 01:35, Haozhong Zhang wrote:
>> Xen hypervisor needs assistance from Dom0 Linux kernel for following tasks:
>> 1) Reserve an area on NVDIMM devices for Xen hypervisor to place
>>memory management data structures, i.e. frame table and M2P tabl
On 10/10/16 17:43, Andrew Cooper wrote:
> On 10/10/16 01:35, Haozhong Zhang wrote:
> > Overview
> >
> > This RFC kernel patch series along with corresponding patch series of
> > Xen, QEMU and ndctl implements Xen vNVDIMM, which can map the host
> > NVDIMM devices to Xen HVM domU as vNVDIMM
On 10/10/16 01:35, Haozhong Zhang wrote:
> Overview
>
> This RFC kernel patch series along with corresponding patch series of
> Xen, QEMU and ndctl implements Xen vNVDIMM, which can map the host
> NVDIMM devices to Xen HVM domU as vNVDIMM devices.
>
> Xen hypervisor does not include an NVD
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