Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Lars Kurth]

Hi all,

based on Stefano's and Julien's suggestion that it may make sense to merge the x86 and arm calls, I am willing to try. It also makes sense this time in particular because we are approaching freeze time.


As per request the meeting is 1 hour later than normal. Also, because there were NO attendees from China on the last 3 calls. For Chinese attendees: if you plan to attend, please confirm you are attending and we can discuss moving the meeting to earlier.

@Juergen, @Jan: we can discuss the timing of future meetings going forward if 17:00-18:00 is a problem for you.

Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# or by replying to the mail. Ideally by next Tuesday!


== AOB ==

== Dial-in Information ==

   ## Future Community Call schedule
   Jan 9, Feb 13, Mar 12

   ## Meeting time
   15:00 - 16:00 UTC
    8:00 -  9:00 EDT (San Francisco)
   11:00 - 12:00 EDT (New York)
   16:00 - 17:00 BST (London)
   17:00 - 18:00 CEST (Berlin)
   00:00 - 01:00 CST (Beijing)
   Further International meeting times: 
   https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=1&day=7&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33

   ## Dial in details
   Web: https://www.gotomeet.me/larskurth

   You can also dial in using your phone.
   Access Code: 906-886-965

   China (Toll Free): 4008 811084
   Germany: +49 692 5736 7317
   Poland (Toll Free): 00 800 1124759
   United Kingdom: +44 330 221 0088
   United States: +1 (571) 317-3129

   More phone numbers
   Australia: +61 2 9087 3604
   Austria: +43 7 2081 5427
   Argentina (Toll Free): 0 800 444 3375
   Bahrain (Toll Free): 800 81 111
   Belarus (Toll Free): 8 820 0011 0400
   Belgium: +32 28 93 7018
   Brazil (Toll Free): 0 800 047 4906
   Bulgaria (Toll Free): 00800 120 4417
   Canada: +1 (647) 497-9391
   Chile (Toll Free): 800 395 150
   Colombia (Toll Free): 01 800 518 4483
    Czech Republic (Toll Free): 800 500448
   Denmark: +45 32 72 03 82
   Finland: +358 923 17 0568
   France: +33 170 950 594
   Greece (Toll Free): 00 800 4414 3838
   Hong Kong (Toll Free): 30713169
   Hungary (Toll Free): (06) 80 986 255
   Iceland (Toll Free): 800 7204
   India (Toll Free): 18002669272
   Indonesia (Toll Free): 007 803 020 5375
   Ireland: +353 15 360 728
   Israel (Toll Free): 1 809 454 830
   Italy: +39 0 247 92 13 01
   Japan (Toll Free): 0 120 663 800
   Korea, Republic of (Toll Free): 00798 14 207 4914
   Luxembourg (Toll Free): 800 85158
   Malaysia (Toll Free): 1 800 81 6854
   Mexico (Toll Free): 01 800 522 1133
   Netherlands: +31 207 941 377
   New Zealand: +64 9 280 6302
   Norway: +47 21 93 37 51
   Panama (Toll Free): 00 800 226 7928
   Peru (Toll Free): 0 800 77023
   Philippines (Toll Free): 1 800 1110 1661
   Portugal (Toll Free): 800 819 575
   Romania (Toll Free): 0 800 410 029
   Russian Federation (Toll Free): 8 800 100 6203
   Saudi Arabia (Toll Free): 800 844 3633
   Singapore (Toll Free): 18007231323
   South Africa (Toll Free): 0 800 555 447
   Spain: +34 932 75 2004
   Sweden: +46 853 527 827
   Switzerland: +41 225 4599 78
   Taiwan (Toll Free): 0 800 666 854
   Thailand (Toll Free): 001 800 011 023
   Turkey (Toll Free): 00 800 4488 23683
   Ukraine (Toll Free): 0 800 50 1733
   United Arab Emirates (Toll Free): 800 044 40439
   Uruguay (Toll Free): 0004 019 1018
   Viet Nam (Toll Free): 122 80 481

   First GoToMeeting? Let's do a quick system check:
   https://link.gotomeeting.com/system-check

Best Regards
Lars

_______________________________________________
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Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Stefano Stabellini]

For all the folks used to attending the ARM community calls, I'll be on
this call. Julien, won't be able to join this time, but he will join in
the future.

On Thu, 3 Jan 2019, Lars Kurth wrote:
> Hi all,
> 
> based on Stefano's and Julien's suggestion that it may make sense to merge the x86 and arm calls, I am willing to try. It also makes sense this time in particular because we are approaching freeze time.
> 
> 
> As per request the meeting is 1 hour later than normal. Also, because there were NO attendees from China on the last 3 calls. For Chinese attendees: if you plan to attend, please confirm you are attending and we can discuss moving the meeting to earlier.
> 
> @Juergen, @Jan: we can discuss the timing of future meetings going forward if 17:00-18:00 is a problem for you.
> 
> Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# or by replying to the mail. Ideally by next Tuesday!
> 
> 
> == AOB ==
> 
> == Dial-in Information ==
> 
>    ## Future Community Call schedule
>    Jan 9, Feb 13, Mar 12
> 
>    ## Meeting time
>    15:00 - 16:00 UTC
>     8:00 -  9:00 EDT (San Francisco)
>    11:00 - 12:00 EDT (New York)
>    16:00 - 17:00 BST (London)
>    17:00 - 18:00 CEST (Berlin)
>    00:00 - 01:00 CST (Beijing)
>    Further International meeting times: 
>    https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=1&day=7&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33
> 
>    ## Dial in details
>    Web: https://www.gotomeet.me/larskurth
> 
>    You can also dial in using your phone.
>    Access Code: 906-886-965
> 
>    China (Toll Free): 4008 811084
>    Germany: +49 692 5736 7317
>    Poland (Toll Free): 00 800 1124759
>    United Kingdom: +44 330 221 0088
>    United States: +1 (571) 317-3129
> 
>    More phone numbers
>    Australia: +61 2 9087 3604
>    Austria: +43 7 2081 5427
>    Argentina (Toll Free): 0 800 444 3375
>    Bahrain (Toll Free): 800 81 111
>    Belarus (Toll Free): 8 820 0011 0400
>    Belgium: +32 28 93 7018
>    Brazil (Toll Free): 0 800 047 4906
>    Bulgaria (Toll Free): 00800 120 4417
>    Canada: +1 (647) 497-9391
>    Chile (Toll Free): 800 395 150
>    Colombia (Toll Free): 01 800 518 4483
>     Czech Republic (Toll Free): 800 500448
>    Denmark: +45 32 72 03 82
>    Finland: +358 923 17 0568
>    France: +33 170 950 594
>    Greece (Toll Free): 00 800 4414 3838
>    Hong Kong (Toll Free): 30713169
>    Hungary (Toll Free): (06) 80 986 255
>    Iceland (Toll Free): 800 7204
>    India (Toll Free): 18002669272
>    Indonesia (Toll Free): 007 803 020 5375
>    Ireland: +353 15 360 728
>    Israel (Toll Free): 1 809 454 830
>    Italy: +39 0 247 92 13 01
>    Japan (Toll Free): 0 120 663 800
>    Korea, Republic of (Toll Free): 00798 14 207 4914
>    Luxembourg (Toll Free): 800 85158
>    Malaysia (Toll Free): 1 800 81 6854
>    Mexico (Toll Free): 01 800 522 1133
>    Netherlands: +31 207 941 377
>    New Zealand: +64 9 280 6302
>    Norway: +47 21 93 37 51
>    Panama (Toll Free): 00 800 226 7928
>    Peru (Toll Free): 0 800 77023
>    Philippines (Toll Free): 1 800 1110 1661
>    Portugal (Toll Free): 800 819 575
>    Romania (Toll Free): 0 800 410 029
>    Russian Federation (Toll Free): 8 800 100 6203
>    Saudi Arabia (Toll Free): 800 844 3633
>    Singapore (Toll Free): 18007231323
>    South Africa (Toll Free): 0 800 555 447
>    Spain: +34 932 75 2004
>    Sweden: +46 853 527 827
>    Switzerland: +41 225 4599 78
>    Taiwan (Toll Free): 0 800 666 854
>    Thailand (Toll Free): 001 800 011 023
>    Turkey (Toll Free): 00 800 4488 23683
>    Ukraine (Toll Free): 0 800 50 1733
>    United Arab Emirates (Toll Free): 800 044 40439
>    Uruguay (Toll Free): 0004 019 1018
>    Viet Nam (Toll Free): 122 80 481
> 
>    First GoToMeeting? Let's do a quick system check:
>    https://link.gotomeeting.com/system-check
> 
> Best Regards
> Lars
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xenproject.org
> https://lists.xenproject.org/mailman/listinfo/xen-devel

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Artem Mygaiev]

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Both myself and Alex will be at CES at this time so we won't be able to join.


 -- Artem

________________________________
From: Stefano Stabellini <sstabellini@kernel.org>
Sent: Thursday, January 3, 2019 7:17:02 PM
To: Lars Kurth
Cc: xen-devel; committers@xenproject.org; Tamas K Lengyel; intel-xen@intel.com; daniel.kiper@oracle.com; Roger Pau Monne; Christopher Clark; Rich Persaud; Brian Woods; Stefano Stabellini; Julien Grall; Juergen Gross; Paul Durrant; Ji, John; Natarajan, Janakarajan; dpsmith@apertussolutions.com; edgar.iglesias@xilinx.com; davorin.mista@aggios.com; robin.randhawa@arm.com; Artem Mygaiev; mirela.simonovic@aggios.com; Stewart Hildebrand; anastassios.nanos@onapp.com; vfachin@de.adit-jv.com; Volodymyr Babchuk; Matt Spencer; Jarvis Roach
Subject: Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

For all the folks used to attending the ARM community calls, I'll be on
this call. Julien, won't be able to join this time, but he will join in
the future.

On Thu, 3 Jan 2019, Lars Kurth wrote:
> Hi all,
>
> based on Stefano's and Julien's suggestion that it may make sense to merge the x86 and arm calls, I am willing to try. It also makes sense this time in particular because we are approaching freeze time.
>
>
> As per request the meeting is 1 hour later than normal. Also, because there were NO attendees from China on the last 3 calls. For Chinese attendees: if you plan to attend, please confirm you are attending and we can discuss moving the meeting to earlier.
>
> @Juergen, @Jan: we can discuss the timing of future meetings going forward if 17:00-18:00 is a problem for you.
>
> Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# or by replying to the mail. Ideally by next Tuesday!
>
>
> == AOB ==
>
> == Dial-in Information ==
>
>    ## Future Community Call schedule
>    Jan 9, Feb 13, Mar 12
>
>    ## Meeting time
>    15:00 - 16:00 UTC
>     8:00 -  9:00 EDT (San Francisco)
>    11:00 - 12:00 EDT (New York)
>    16:00 - 17:00 BST (London)
>    17:00 - 18:00 CEST (Berlin)
>    00:00 - 01:00 CST (Beijing)
>    Further International meeting times:
>    https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=1&day=7&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33
>
>    ## Dial in details
>    Web: https://www.gotomeet.me/larskurth
>
>    You can also dial in using your phone.
>    Access Code: 906-886-965
>
>    China (Toll Free): 4008 811084
>    Germany: +49 692 5736 7317
>    Poland (Toll Free): 00 800 1124759
>    United Kingdom: +44 330 221 0088
>    United States: +1 (571) 317-3129
>
>    More phone numbers
>    Australia: +61 2 9087 3604
>    Austria: +43 7 2081 5427
>    Argentina (Toll Free): 0 800 444 3375
>    Bahrain (Toll Free): 800 81 111
>    Belarus (Toll Free): 8 820 0011 0400
>    Belgium: +32 28 93 7018
>    Brazil (Toll Free): 0 800 047 4906
>    Bulgaria (Toll Free): 00800 120 4417
>    Canada: +1 (647) 497-9391
>    Chile (Toll Free): 800 395 150
>    Colombia (Toll Free): 01 800 518 4483
>     Czech Republic (Toll Free): 800 500448
>    Denmark: +45 32 72 03 82
>    Finland: +358 923 17 0568
>    France: +33 170 950 594
>    Greece (Toll Free): 00 800 4414 3838
>    Hong Kong (Toll Free): 30713169
>    Hungary (Toll Free): (06) 80 986 255
>    Iceland (Toll Free): 800 7204
>    India (Toll Free): 18002669272
>    Indonesia (Toll Free): 007 803 020 5375
>    Ireland: +353 15 360 728
>    Israel (Toll Free): 1 809 454 830
>    Italy: +39 0 247 92 13 01
>    Japan (Toll Free): 0 120 663 800
>    Korea, Republic of (Toll Free): 00798 14 207 4914
>    Luxembourg (Toll Free): 800 85158
>    Malaysia (Toll Free): 1 800 81 6854
>    Mexico (Toll Free): 01 800 522 1133
>    Netherlands: +31 207 941 377
>    New Zealand: +64 9 280 6302
>    Norway: +47 21 93 37 51
>    Panama (Toll Free): 00 800 226 7928
>    Peru (Toll Free): 0 800 77023
>    Philippines (Toll Free): 1 800 1110 1661
>    Portugal (Toll Free): 800 819 575
>    Romania (Toll Free): 0 800 410 029
>    Russian Federation (Toll Free): 8 800 100 6203
>    Saudi Arabia (Toll Free): 800 844 3633
>    Singapore (Toll Free): 18007231323
>    South Africa (Toll Free): 0 800 555 447
>    Spain: +34 932 75 2004
>    Sweden: +46 853 527 827
>    Switzerland: +41 225 4599 78
>    Taiwan (Toll Free): 0 800 666 854
>    Thailand (Toll Free): 001 800 011 023
>    Turkey (Toll Free): 00 800 4488 23683
>    Ukraine (Toll Free): 0 800 50 1733
>    United Arab Emirates (Toll Free): 800 044 40439
>    Uruguay (Toll Free): 0004 019 1018
>    Viet Nam (Toll Free): 122 80 481
>
>    First GoToMeeting? Let's do a quick system check:
>    https://link.gotomeeting.com/system-check
>
> Best Regards
> Lars
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xenproject.org
> https://lists.xenproject.org/mailman/listinfo/xen-devel

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https://lists.xenproject.org/mailman/listinfo/xen-devel

Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Lars Kurth]

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Hi all,

as we are close to the 4.11 release, I think this means we would focus on release related stuff primarily. Moving the meeting a week later is probably not going to help re release related items.

I think it is OK if some people cannot attend the Jan meeting: We could move forward the Feb meeting by a week (e.g. to say the 1st Wed of Feb) and reset the meeting cadence. That way we can start discussing more forward looking items again a little earlier.

Regards
Lars

> On 3 Jan 2019, at 17:41, Artem Mygaiev <Artem_Mygaiev@epam.com> wrote:
> 
> Both myself and Alex will be at CES at this time so we won't be able to join.
> 
>  -- Artem
> From: Stefano Stabellini <sstabellini@kernel.org <mailto:sstabellini@kernel.org>>
> Sent: Thursday, January 3, 2019 7:17:02 PM
> To: Lars Kurth
> Cc: xen-devel; committers@xenproject.org <mailto:committers@xenproject.org>; Tamas K Lengyel; intel-xen@intel.com <mailto:intel-xen@intel.com>; daniel.kiper@oracle.com <mailto:daniel.kiper@oracle.com>; Roger Pau Monne; Christopher Clark; Rich Persaud; Brian Woods; Stefano Stabellini; Julien Grall; Juergen Gross; Paul Durrant; Ji, John; Natarajan, Janakarajan; dpsmith@apertussolutions.com <mailto:dpsmith@apertussolutions.com>; edgar.iglesias@xilinx.com <mailto:edgar.iglesias@xilinx.com>; davorin.mista@aggios.com <mailto:davorin.mista@aggios.com>; robin.randhawa@arm.com <mailto:robin.randhawa@arm.com>; Artem Mygaiev; mirela.simonovic@aggios.com <mailto:mirela.simonovic@aggios.com>; Stewart Hildebrand; anastassios.nanos@onapp.com <mailto:anastassios.nanos@onapp.com>; vfachin@de.adit-jv.com <mailto:vfachin@de.adit-jv.com>; Volodymyr Babchuk; Matt Spencer; Jarvis Roach
> Subject: Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items
>  
> For all the folks used to attending the ARM community calls, I'll be on
> this call. Julien, won't be able to join this time, but he will join in
> the future.
> 
> On Thu, 3 Jan 2019, Lars Kurth wrote:
> > Hi all,
> > 
> > based on Stefano's and Julien's suggestion that it may make sense to merge the x86 and arm calls, I am willing to try. It also makes sense this time in particular because we are approaching freeze time.
> > 
> > 
> > As per request the meeting is 1 hour later than normal. Also, because there were NO attendees from China on the last 3 calls. For Chinese attendees: if you plan to attend, please confirm you are attending and we can discuss moving the meeting to earlier.
> > 
> > @Juergen, @Jan: we can discuss the timing of future meetings going forward if 17:00-18:00 is a problem for you.
> > 
> > Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# <https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit#> or by replying to the mail. Ideally by next Tuesday!
> > 
> > 
> > == AOB ==
> > 
> > == Dial-in Information ==
> > 
> >    ## Future Community Call schedule
> >    Jan 9, Feb 13, Mar 12
> > 
> >    ## Meeting time
> >    15:00 - 16:00 UTC
> >     8:00 -  9:00 EDT (San Francisco)
> >    11:00 - 12:00 EDT (New York)
> >    16:00 - 17:00 BST (London)
> >    17:00 - 18:00 CEST (Berlin)
> >    00:00 - 01:00 CST (Beijing)
> >    Further International meeting times: 
> >    https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=1&day=7&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33 <https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=1&day=7&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33>
> > 
> >    ## Dial in details
> >    Web: https://www.gotomeet.me/larskurth <https://www.gotomeet.me/larskurth>
> > 
> >    You can also dial in using your phone.
> >    Access Code: 906-886-965
> > 
> >    China (Toll Free): 4008 811084
> >    Germany: +49 692 5736 7317
> >    Poland (Toll Free): 00 800 1124759
> >    United Kingdom: +44 330 221 0088
> >    United States: +1 (571) 317-3129
> > 
> >    More phone numbers
> >    Australia: +61 2 9087 3604
> >    Austria: +43 7 2081 5427
> >    Argentina (Toll Free): 0 800 444 3375
> >    Bahrain (Toll Free): 800 81 111
> >    Belarus (Toll Free): 8 820 0011 0400
> >    Belgium: +32 28 93 7018
> >    Brazil (Toll Free): 0 800 047 4906
> >    Bulgaria (Toll Free): 00800 120 4417
> >    Canada: +1 (647) 497-9391
> >    Chile (Toll Free): 800 395 150
> >    Colombia (Toll Free): 01 800 518 4483
> >     Czech Republic (Toll Free): 800 500448
> >    Denmark: +45 32 72 03 82
> >    Finland: +358 923 17 0568
> >    France: +33 170 950 594
> >    Greece (Toll Free): 00 800 4414 3838
> >    Hong Kong (Toll Free): 30713169
> >    Hungary (Toll Free): (06) 80 986 255
> >    Iceland (Toll Free): 800 7204
> >    India (Toll Free): 18002669272
> >    Indonesia (Toll Free): 007 803 020 5375
> >    Ireland: +353 15 360 728
> >    Israel (Toll Free): 1 809 454 830
> >    Italy: +39 0 247 92 13 01
> >    Japan (Toll Free): 0 120 663 800
> >    Korea, Republic of (Toll Free): 00798 14 207 4914
> >    Luxembourg (Toll Free): 800 85158
> >    Malaysia (Toll Free): 1 800 81 6854
> >    Mexico (Toll Free): 01 800 522 1133
> >    Netherlands: +31 207 941 377
> >    New Zealand: +64 9 280 6302
> >    Norway: +47 21 93 37 51
> >    Panama (Toll Free): 00 800 226 7928
> >    Peru (Toll Free): 0 800 77023
> >    Philippines (Toll Free): 1 800 1110 1661
> >    Portugal (Toll Free): 800 819 575
> >    Romania (Toll Free): 0 800 410 029
> >    Russian Federation (Toll Free): 8 800 100 6203
> >    Saudi Arabia (Toll Free): 800 844 3633
> >    Singapore (Toll Free): 18007231323
> >    South Africa (Toll Free): 0 800 555 447
> >    Spain: +34 932 75 2004
> >    Sweden: +46 853 527 827
> >    Switzerland: +41 225 4599 78
> >    Taiwan (Toll Free): 0 800 666 854
> >    Thailand (Toll Free): 001 800 011 023
> >    Turkey (Toll Free): 00 800 4488 23683
> >    Ukraine (Toll Free): 0 800 50 1733
> >    United Arab Emirates (Toll Free): 800 044 40439
> >    Uruguay (Toll Free): 0004 019 1018
> >    Viet Nam (Toll Free): 122 80 481
> > 
> >    First GoToMeeting? Let's do a quick system check:
> >    https://link.gotomeeting.com/system-check <https://link.gotomeeting.com/system-check>
> > 
> > Best Regards
> > Lars
> > 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@lists.xenproject.org <mailto:Xen-devel@lists.xenproject.org>
> > https://lists.xenproject.org/mailman/listinfo/xen-devel <https://lists.xenproject.org/mailman/listinfo/xen-devel>

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Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Juergen Gross]

On 03/01/2019 15:28, Lars Kurth wrote:
> Hi all,
> 
> based on Stefano's and Julien's suggestion that it may make sense to merge the x86 and arm calls, I am willing to try. It also makes sense this time in particular because we are approaching freeze time.

+1

> As per request the meeting is 1 hour later than normal. Also, because there were NO attendees from China on the last 3 calls. For Chinese attendees: if you plan to attend, please confirm you are attending and we can discuss moving the meeting to earlier.
> 
> @Juergen, @Jan: we can discuss the timing of future meetings going forward if 17:00-18:00 is a problem for you.

No problem for me. Especially as its not yet summer in my part of the
world, so it will be 16:00 - 17:00 for the currently scheduled calls :-)


Juergen

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Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Juergen Gross]

On 03/01/2019 15:28, Lars Kurth wrote:
> Hi all,
> 
> based on Stefano's and Julien's suggestion that it may make sense to merge the x86 and arm calls, I am willing to try. It also makes sense this time in particular because we are approaching freeze time.
> 
> 
> As per request the meeting is 1 hour later than normal. Also, because there were NO attendees from China on the last 3 calls. For Chinese attendees: if you plan to attend, please confirm you are attending and we can discuss moving the meeting to earlier.
> 
> @Juergen, @Jan: we can discuss the timing of future meetings going forward if 17:00-18:00 is a problem for you.
> 
> Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# or by replying to the mail. Ideally by next Tuesday!

I'd like to discuss status of the current pending patch series:

Series                               Author                 Status
Per-cpu tasklet                      Konrad Rzeszutek Wilk  ->4.13?
Improvements to domain creation (v2) Andrew Cooper          ?
Argo (inter-VM communication) (v3)   Christopher Clark      ?
Core aware sched (RFC v1)            Dario Faggioli         ->4.13?
Core aware sched credit2 (RFC v1)    Dario Faggioli         ->4.13?
x86 instr emulator add AVX512 (v7)   Jan Beulich            finished?
HVM guest CPU topology support (RFC) Chao Gao               ->4.13?
Intel Trace virt. enabling (v1)      Luwei Kang             ->4.13?
Linux stub domains (RFC v2)          Marek Marczykowski-G.  ->4.13?
qemu deprivilege (v4)                George Dunlap          finished?
Improve late microcode loading (v4)  Chao Gao               ?
Fixes to #DB injection               Andrew Cooper          ->4.13?
CPUID/MSR Xen/toolstack improvements Andrew Cooper          ->4.13?
Improvements to domain_crash()       Andrew Cooper          ->4.13?
Fix VGA logdirty with altp2m (v11)   Razvan Cojocaru        ?
dom0less (v4)                        Stefano Stabellini     ?
Implement Set/Way operations (RFC)   Julien Grall           ?
TEE mediator support in XEN (v2)     Volodymyr Babchuk      ?


Juergen

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Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Tamas K Lengyel]

> Fix VGA logdirty with altp2m (v11)   Razvan Cojocaru        ?

This has been merged already.

Tamas

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Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Razvan Cojocaru]

On 1/7/19 4:26 PM, Tamas K Lengyel wrote:
>> Fix VGA logdirty with altp2m (v11)   Razvan Cojocaru        ?
> 
> This has been merged already.

Indeed, sorry for only seeing this now - I've had a small technical 
SNAFU I had to take care of today and missed some emails.


Thanks,
Razvan

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Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Stefano Stabellini]

On Mon, 7 Jan 2019, Juergen Gross wrote:
> On 03/01/2019 15:28, Lars Kurth wrote:
> > Hi all,
> > 
> > based on Stefano's and Julien's suggestion that it may make sense to merge the x86 and arm calls, I am willing to try. It also makes sense this time in particular because we are approaching freeze time.
> > 
> > 
> > As per request the meeting is 1 hour later than normal. Also, because there were NO attendees from China on the last 3 calls. For Chinese attendees: if you plan to attend, please confirm you are attending and we can discuss moving the meeting to earlier.
> > 
> > @Juergen, @Jan: we can discuss the timing of future meetings going forward if 17:00-18:00 is a problem for you.
> > 
> > Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# or by replying to the mail. Ideally by next Tuesday!
> 
> I'd like to discuss status of the current pending patch series:
> 
> Series                               Author                 Status
> Per-cpu tasklet                      Konrad Rzeszutek Wilk  ->4.13?
> Improvements to domain creation (v2) Andrew Cooper          ?
> Argo (inter-VM communication) (v3)   Christopher Clark      ?
> Core aware sched (RFC v1)            Dario Faggioli         ->4.13?
> Core aware sched credit2 (RFC v1)    Dario Faggioli         ->4.13?
> x86 instr emulator add AVX512 (v7)   Jan Beulich            finished?
> HVM guest CPU topology support (RFC) Chao Gao               ->4.13?
> Intel Trace virt. enabling (v1)      Luwei Kang             ->4.13?
> Linux stub domains (RFC v2)          Marek Marczykowski-G.  ->4.13?
> qemu deprivilege (v4)                George Dunlap          finished?
> Improve late microcode loading (v4)  Chao Gao               ?
> Fixes to #DB injection               Andrew Cooper          ->4.13?
> CPUID/MSR Xen/toolstack improvements Andrew Cooper          ->4.13?
> Improvements to domain_crash()       Andrew Cooper          ->4.13?
> Fix VGA logdirty with altp2m (v11)   Razvan Cojocaru        ?
> dom0less (v4)                        Stefano Stabellini     ?

Dom0less is already in. "Dom0less device assignment" missed the window
by only a couple of days (I forgot to send it in time -- too bad.)

I have another outstanding series for 4.12: "misc safety certification
fixes".


> Implement Set/Way operations (RFC)   Julien Grall           ?

Also already committed


> TEE mediator support in XEN (v2)     Volodymyr Babchuk      ?
 

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Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Lars Kurth]

[-- Attachment #1.1: Type: text/plain, Size: 2982 bytes --]

Did anyone have any agenda items *NOT* related to 4.12? 
As an aside: I added the following to the agenda
* 4.12 what headline features made it
* Face 2 face to discuss a plan and implications for safety certification (separate e-mail will follow today)

Regards
Lars

> On 7 Jan 2019, at 18:33, Stefano Stabellini <sstabellini@kernel.org> wrote:
> 
> On Mon, 7 Jan 2019, Juergen Gross wrote:
>> On 03/01/2019 15:28, Lars Kurth wrote:
>>> Hi all,
>>> 
>>> based on Stefano's and Julien's suggestion that it may make sense to merge the x86 and arm calls, I am willing to try. It also makes sense this time in particular because we are approaching freeze time.
>>> 
>>> 
>>> As per request the meeting is 1 hour later than normal. Also, because there were NO attendees from China on the last 3 calls. For Chinese attendees: if you plan to attend, please confirm you are attending and we can discuss moving the meeting to earlier.
>>> 
>>> @Juergen, @Jan: we can discuss the timing of future meetings going forward if 17:00-18:00 is a problem for you.
>>> 
>>> Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# or by replying to the mail. Ideally by next Tuesday!
>> 
>> I'd like to discuss status of the current pending patch series:
>> 
>> Series                               Author                 Status
>> Per-cpu tasklet                      Konrad Rzeszutek Wilk  ->4.13?
>> Improvements to domain creation (v2) Andrew Cooper          ?
>> Argo (inter-VM communication) (v3)   Christopher Clark      ?
>> Core aware sched (RFC v1)            Dario Faggioli         ->4.13?
>> Core aware sched credit2 (RFC v1)    Dario Faggioli         ->4.13?
>> x86 instr emulator add AVX512 (v7)   Jan Beulich            finished?
>> HVM guest CPU topology support (RFC) Chao Gao               ->4.13?
>> Intel Trace virt. enabling (v1)      Luwei Kang             ->4.13?
>> Linux stub domains (RFC v2)          Marek Marczykowski-G.  ->4.13?
>> qemu deprivilege (v4)                George Dunlap          finished?
>> Improve late microcode loading (v4)  Chao Gao               ?
>> Fixes to #DB injection               Andrew Cooper          ->4.13?
>> CPUID/MSR Xen/toolstack improvements Andrew Cooper          ->4.13?
>> Improvements to domain_crash()       Andrew Cooper          ->4.13?
>> Fix VGA logdirty with altp2m (v11)   Razvan Cojocaru        ?
>> dom0less (v4)                        Stefano Stabellini     ?
> 
> Dom0less is already in. "Dom0less device assignment" missed the window
> by only a couple of days (I forgot to send it in time -- too bad.)
> 
> I have another outstanding series for 4.12: "misc safety certification
> fixes".
> 
> 
>> Implement Set/Way operations (RFC)   Julien Grall           ?
> 
> Also already committed
> 
> 
>> TEE mediator support in XEN (v2)     Volodymyr Babchuk      ?


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Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Lars Kurth]

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Hi all,

I noticed that I hadn't updated all the times in the meeting invite block.

> 
> == Dial-in Information ==
> 
>   ## Future Community Call schedule
>   Jan 9, Feb 13, Mar 12
> 
>   ## Meeting time
>   15:00 - 16:00 UTC

This is wrong and should read 16:00 - 17:00

>    8:00 -  9:00 EDT (San Francisco)
>   11:00 - 12:00 EDT (New York)
>   16:00 - 17:00 BST (London)
>   17:00 - 18:00 CEST (Berlin)
>   00:00 - 01:00 CST (Beijing)
>   Further International meeting times: 
>   https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=1&day=7&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33 <https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=1&day=7&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33>

Regards
Lars


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Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Lars Kurth]

[-- Attachment #1.1: Type: text/plain, Size: 1166 bytes --]

Quick note: the meeting is in 15 minutes - the agenda is at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit <https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit> 

> On 8 Jan 2019, at 14:34, Lars Kurth <lars.kurth@xenproject.org> wrote:
> 
> Hi all,
> 
> I noticed that I hadn't updated all the times in the meeting invite block.
> 
>> 
>> == Dial-in Information ==
>> 
>>   ## Future Community Call schedule
>>   Jan 9, Feb 13, Mar 12
>> 
>>   ## Meeting time
>>   15:00 - 16:00 UTC
> 
> This is wrong and should read 16:00 - 17:00
> 
>>    8:00 -  9:00 EDT (San Francisco)
>>   11:00 - 12:00 EDT (New York)
>>   16:00 - 17:00 BST (London)
>>   17:00 - 18:00 CEST (Berlin)
>>   00:00 - 01:00 CST (Beijing)
>>   Further International meeting times: 
>>   https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=1&day=7&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33 <https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=1&day=7&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33>
> 
> Regards
> Lars
> 


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Re: Xen (both x86 and Arm) Community Call: Jan 9 - 16:00 - 17:00 UTC - Call for Agenda Items

[Rich Persaud]

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On Jan 9, 2019, at 10:46, Lars Kurth <lars.kurth.xen@gmail.com> wrote:
> 
> Quick note: the meeting is in 15 minutes - the agenda is at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit 

On the topic of 4.12, I would like to propose moving the merge date by one week, since about 50% of Xen  maintainers who can review the Argo patch series for 4.12 are unavailable this week.

Rich

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Xen (both x86 and Arm) Community Call: Feb 13 - 16:00 - 17:00 UTC - Call for Agenda Items

[Lars Kurth]

[-- Attachment #1.1: Type: text/plain, Size: 3564 bytes --]

Hi all, 

we have the community call for February coming up this Wednesday. My sincere apologies, that I have not asked for agenda items last week. A current agenda (primarily a skeleton) is available at  https://docs.google.com/document/d/15ZLzQcH794jufDZW1oNYVY2D12CnVqxQ-klFAqkd2bU/edit#heading=h.mz1wjb9vekjn

Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# or by replying to the mail. Ideally by a few hours before the meeting!

Best Regards
Lars
 

== Dial-in Information ==

  ## Future Community Call schedule
  Feb 13, Mar 12

  ## Meeting time
  15:00 - 16:00 UTC
   8:00 -  9:00 EDT (San Francisco)
  11:00 - 12:00 EDT (New York)
  16:00 - 17:00 BST (London)
  17:00 - 18:00 CEST (Berlin)
  00:00 - 01:00 CST (Beijing)
  Further International meeting times: 
  https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=2&day=13&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33 <https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=2&day=13&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33> 

  ## Dial in details
  Web: https://www.gotomeet.me/larskurth <https://www.gotomeet.me/larskurth>

  You can also dial in using your phone.
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Re: Xen (both x86 and Arm) Community Call: Feb 13 - 16:00 - 17:00 UTC - Call for Agenda Items

[Rich Persaud]

[-- Attachment #1.1: Type: text/plain, Size: 2651 bytes --]

> On Feb 11, 2019, at 05:05, Lars Kurth <lars.kurth.xen@gmail.com> wrote:
> 
> Hi all, 
> 
> we have the community call for February coming up this Wednesday. My sincere apologies, that I have not asked for agenda items last week. A current agenda (primarily a skeleton) is available at  https://docs.google.com/document/d/15ZLzQcH794jufDZW1oNYVY2D12CnVqxQ-klFAqkd2bU/edit#heading=h.mz1wjb9vekjn
> 
> Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# or by replying to the mail. Ideally by a few hours before the meeting!

Proposed agenda items:

1.  Tailored instances of Xen: continuing the Nov 2018 discussion of KCONFIG/L0  hypervisor use cases.  More details upcoming via wiki page.

2.  Macro supply chains:  what are best practices for maintaining Xen macros which originate in other open-source communities, e.g. QEMU or Linux?  Would each macro benefit from a documented status (e.g. "Ignore upstream changes", "Monitor upstream changes", "Mirror upstream changes") with associated tooling?

3. Go toolchain:  is there community interest in collaborating on the development of golang tools for local management of Xen?  Historically, OpenXT used a combination of Haskell and Ocaml tools.  Some OpenXT community members are using golang with Xen. Could these new tools find a home in upstream Xen?

4. NVME passthrough performance: this is improved when VMEXITs are avoided by using "posted interrupts" [1] available on Broadwell and later Xeon processors or AWS nested hypervisor "metal" [2].  For commodity x86 CPUs which do not have posted interrupts, Linux [3] and Hyper-V [4] have used "hybrid polling" to achieve good I/O performance at the cost of CPU cycles.  Is this applicable to Xen?

Rich

[1] "VT-d Posted Interrupts" - Intel, 2012
https://events.static.linuxfound.org/sites/events/files/slides/VT-d%20Posted%20Interrupts-final%20.pdf
https://www.linux-kvm.org/images/7/70/2012-forum-nakajima_apicv.pdf

[2] Running Thousands of KVM Guests on Amazon i3.metal Instances, twosix, 2017
https://www.twosixlabs.com/running-thousands-of-kvm-guests-on-amazons-new-i3-metal-instances/

[3] "I/O Latency Optimization with Polling" - Western Digital, 2017
https://events.static.linuxfound.org/sites/events/files/slides/lemoal-nvme-polling-vault-2017-final_0.pdf

[4] "Achieving 10-Million IOPS from a single VM on Windows Hyper-V" - MS, 2018
https://www.snia.org/sites/default/files/SDC/2018/presentations/Cloud_Storage/Yang_L_Zhu_D_Achieving_10-Million_IOPS_from_a_single_VM_on_Windows_Hyper-V.pdf


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Re: Xen (both x86 and Arm) Community Call: Feb 13 - 16:00 - 17:00 UTC - Call for Agenda Items

[Julien Grall]

[-- Attachment #1.1: Type: text/plain, Size: 3819 bytes --]

Hi Lars,

The title says "16:00 - 17:00 UTC" but the text below says "15:00 - 16:00
UTC". Can you confirm what time is the meeting?

Cheers,


On Mon, 11 Feb 2019, 11:07 Lars Kurth, <lars.kurth.xen@gmail.com> wrote:

> Hi all,
>
>
> we have the community call for February coming up this Wednesday. My
> sincere apologies, that I have not asked for agenda items last week. A
> current agenda (primarily a skeleton) is available at
> https://docs.google.com/document/d/15ZLzQcH794jufDZW1oNYVY2D12CnVqxQ-klFAqkd2bU/edit#heading=h.mz1wjb9vekjn
>
> Please propose topics by either editing the running agenda document at
> https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit#
> or by replying to the mail. Ideally by a few hours before the meeting!
>
>
> Best Regards
>
> Lars
>
>
>
> == Dial-in Information ==
>
>   ## Future Community Call schedule
>   Feb 13, Mar 12
>
>   ## Meeting time
>   15:00 - 16:00 UTC
>    8:00 -  9:00 EDT (San Francisco)
>   11:00 - 12:00 EDT (New York)
>   16:00 - 17:00 BST (London)
>   17:00 - 18:00 CEST (Berlin)
>   00:00 - 01:00 CST (Beijing)
>   Further International meeting times:
>
> https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=2&day=13&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33
>
>
>   ## Dial in details
>   Web: https://www.gotomeet.me/larskurth
>
>   You can also dial in using your phone.
>   Access Code: 906-886-965
>
>   China (Toll Free): 4008 811084
>   Germany: +49 692 5736 7317
>   Poland (Toll Free): 00 800 1124759
>   United Kingdom: +44 330 221 0088
>   United States: +1 (571) 317-3129
>
>   More phone numbers
>   Australia: +61 2 9087 3604
>   Austria: +43 7 2081 5427
>   Argentina (Toll Free): 0 800 444 3375
>   Bahrain (Toll Free): 800 81 111
>   Belarus (Toll Free): 8 820 0011 0400
>   Belgium: +32 28 93 7018
>   Brazil (Toll Free): 0 800 047 4906
>   Bulgaria (Toll Free): 00800 120 4417
>   Canada: +1 (647) 497-9391
>   Chile (Toll Free): 800 395 150
>   Colombia (Toll Free): 01 800 518 4483
>    Czech Republic (Toll Free): 800 500448
>   Denmark: +45 32 72 03 82
>   Finland: +358 923 17 0568
>   France: +33 170 950 594
>   Greece (Toll Free): 00 800 4414 3838
>   Hong Kong (Toll Free): 30713169
>   Hungary (Toll Free): (06) 80 986 255
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Re: Xen (both x86 and Arm) Community Call: Feb 13 - 16:00 - 17:00 UTC - Call for Agenda Items

[Lars Kurth]

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Apologies: it is 16:00--17:00 as in the URL, etc. - I had forgotten to update the UTC time

I would like to add an agenda item about the timing of the meeting under AOB
* Originally the meeting was held 15:00 - 16:00 and Stefano requested it to be moved
* However, it turns out that normally key people such as Andrew Cooper can't attend. 
* To solve this, we may have to pick another day

Also, I came across Daniel's thread called "Enhancing Xen's Kconfig infrastructure to support tailored solutions", which I think would be worthwhile discussing at this meeting (or maybe the next). The overall proposal makes a lot of sense to me

Best Regards
Lars

> On 13 Feb 2019, at 06:22, Julien Grall <julien.grall@gmail.com> wrote:
> 
> Hi Lars,
> 
> The title says "16:00 - 17:00 UTC" but the text below says "15:00 - 16:00 UTC". Can you confirm what time is the meeting?
> 
> Cheers,
> 
> 
> On Mon, 11 Feb 2019, 11:07 Lars Kurth, <lars.kurth.xen@gmail.com <mailto:lars.kurth.xen@gmail.com>> wrote:
> Hi all, 
> 
> we have the community call for February coming up this Wednesday. My sincere apologies, that I have not asked for agenda items last week. A current agenda (primarily a skeleton) is available at  https://docs.google.com/document/d/15ZLzQcH794jufDZW1oNYVY2D12CnVqxQ-klFAqkd2bU/edit#heading=h.mz1wjb9vekjn <https://docs.google.com/document/d/15ZLzQcH794jufDZW1oNYVY2D12CnVqxQ-klFAqkd2bU/edit#heading=h.mz1wjb9vekjn>
> 
> Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# <https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit#> or by replying to the mail. Ideally by a few hours before the meeting!
> 
> Best Regards
> Lars
>  
> 
> == Dial-in Information ==
> 
>   ## Future Community Call schedule
>   Feb 13, Mar 12
> 
>   ## Meeting time
>   16:00 - 17:00 UTC
>    8:00 -  9:00 EDT (San Francisco)
>   11:00 - 12:00 EDT (New York)
>   16:00 - 17:00 BST (London)
>   17:00 - 18:00 CEST (Berlin)
>   00:00 - 01:00 CST (Beijing)
>   Further International meeting times: 
>   https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=2&day=13&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33 <https://www.timeanddate.com/worldclock/meetingdetails.html?year=2019&month=2&day=13&hour=16&min=0&sec=0&p1=224&p2=24&p3=179&p4=136&p5=37&p6=33> 
> 
>   ## Dial in details
>   Web: https://www.gotomeet.me/larskurth <https://www.gotomeet.me/larskurth>
> 
>   You can also dial in using your phone.
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>   First GoToMeeting? Let's do a quick system check:
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Re: Xen (both x86 and Arm) Community Call: Feb 13 - 16:00 - 17:00 UTC - Call for Agenda Items

[Jan Beulich]

>>> On 13.02.19 at 02:31, <persaur@gmail.com> wrote:
> 4. NVME passthrough performance: this is improved when VMEXITs are avoided 
> by using "posted interrupts" [1] available on Broadwell and later Xeon 
> processors or AWS nested hypervisor "metal" [2].  For commodity x86 CPUs 
> which do not have posted interrupts, Linux [3] and Hyper-V [4] have used 
> "hybrid polling" to achieve good I/O performance at the cost of CPU cycles.  
> Is this applicable to Xen?

The number of references you make alone already suggest to me that
this is not a topic usefully discussed on a phone call. May I suggest to
use the mailing list for topics requiring a lot of context?

Jan



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Re: Xen (both x86 and Arm) Community Call: Feb 13 - 16:00 - 17:00 UTC - Call for Agenda Items

[George Dunlap]

On 2/13/19 1:31 AM, Rich Persaud wrote:
>> On Feb 11, 2019, at 05:05, Lars Kurth <lars.kurth.xen@gmail.com> wrote:
>>
>> Hi all, 
>>
>> we have the community call for February coming up this Wednesday. My sincere apologies, that I have not asked for agenda items last week. A current agenda (primarily a skeleton) is available at  https://docs.google.com/document/d/15ZLzQcH794jufDZW1oNYVY2D12CnVqxQ-klFAqkd2bU/edit#heading=h.mz1wjb9vekjn
>>
>> Please propose topics by either editing the running agenda document at https://docs.google.com/document/d/1Ufv9XcQO0zIAVeFbFCAHAeEIB9Ap4Y4srAm4vI8I01I/edit# or by replying to the mail. Ideally by a few hours before the meeting!
> 
> Proposed agenda items:
> 
> 1.  Tailored instances of Xen: continuing the Nov 2018 discussion of KCONFIG/L0  hypervisor use cases.  More details upcoming via wiki page.
> 
> 2.  Macro supply chains:  what are best practices for maintaining Xen macros which originate in other open-source communities, e.g. QEMU or Linux?  Would each macro benefit from a documented status (e.g. "Ignore upstream changes", "Monitor upstream changes", "Mirror upstream changes") with associated tooling?
> 
> 3. Go toolchain:  is there community interest in collaborating on the development of golang tools for local management of Xen?  Historically, OpenXT used a combination of Haskell and Ocaml tools.  Some OpenXT community members are using golang with Xen. Could these new tools find a home in upstream Xen?

FWIW we did start to make golang bindings for libxl (see
xen.git/toools/golang/xenlight).  I think golang is an obvious language
to write Xen control stacks in.

The main issue I see at the moment is that while the *API* between a
toolstack and libxl is backwards-compatible, the *ABI* between the
resulting binary and Xen is not; meaning that every time you change your
Xen version, you need to recompile your golang programs.  (This of
course is not limited to golang, but it was highlighted to me when I
started to use go-xenlight.)

But I'd definitely be interested in seeing what your community members
are doing, and if we can come up with a useful solution.

 -George

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