Re: [Xen-devel] Xen ballooning interface

2018-08-21 Thread Roger Pau Monné
On Tue, Aug 21, 2018 at 10:58:18AM +0100, Wei Liu wrote: > On Mon, Aug 13, 2018 at 03:06:10PM +0200, Juergen Gross wrote: > > Today's interface of Xen for memory ballooning is quite a mess. There > > are some shortcomings which should be addressed somehow. After a > > discussion on IRC there was co

Re: [Xen-devel] Xen ballooning interface

2018-08-21 Thread Wei Liu
On Mon, Aug 13, 2018 at 03:06:10PM +0200, Juergen Gross wrote: > Today's interface of Xen for memory ballooning is quite a mess. There > are some shortcomings which should be addressed somehow. After a > discussion on IRC there was consensus we should try to design a new > interface addressing the

Re: [Xen-devel] Xen ballooning interface

2018-08-14 Thread Juergen Gross
On 14/08/18 09:34, Jan Beulich wrote: On 14.08.18 at 09:19, wrote: >> On 14/08/18 09:02, Jan Beulich wrote: >> On 13.08.18 at 17:44, wrote: On 13/08/18 17:29, Jan Beulich wrote: On 13.08.18 at 16:20, wrote: >> On 13/08/18 15:54, Jan Beulich wrote: >> On 13.08.1

Re: [Xen-devel] Xen ballooning interface

2018-08-14 Thread Jan Beulich
>>> On 14.08.18 at 09:19, wrote: > On 14/08/18 09:02, Jan Beulich wrote: > On 13.08.18 at 17:44, wrote: >>> On 13/08/18 17:29, Jan Beulich wrote: >>> On 13.08.18 at 16:20, wrote: > On 13/08/18 15:54, Jan Beulich wrote: > On 13.08.18 at 15:06, wrote: >>> Suggested new int

Re: [Xen-devel] Xen ballooning interface

2018-08-14 Thread Juergen Gross
On 14/08/18 09:02, Jan Beulich wrote: On 13.08.18 at 17:44, wrote: >> On 13/08/18 17:29, Jan Beulich wrote: >> On 13.08.18 at 16:20, wrote: On 13/08/18 15:54, Jan Beulich wrote: On 13.08.18 at 15:06, wrote: >> Suggested new interface >> ---

Re: [Xen-devel] Xen ballooning interface

2018-08-14 Thread Jan Beulich
>>> On 13.08.18 at 17:44, wrote: > On 13/08/18 17:29, Jan Beulich wrote: > On 13.08.18 at 16:20, wrote: >>> On 13/08/18 15:54, Jan Beulich wrote: >>> On 13.08.18 at 15:06, wrote: > Suggested new interface > --- > Hypercalls, memory map(s) and ACPI tables s

Re: [Xen-devel] Xen ballooning interface

2018-08-13 Thread Juergen Gross
On 13/08/18 17:29, Jan Beulich wrote: On 13.08.18 at 16:20, wrote: >> On 13/08/18 15:54, Jan Beulich wrote: >> On 13.08.18 at 15:06, wrote: Suggested new interface --- Hypercalls, memory map(s) and ACPI tables should stay the same (for compatibilit

Re: [Xen-devel] Xen ballooning interface

2018-08-13 Thread Jan Beulich
>>> On 13.08.18 at 16:20, wrote: > On 13/08/18 15:54, Jan Beulich wrote: > On 13.08.18 at 15:06, wrote: >>> Suggested new interface >>> --- >>> Hypercalls, memory map(s) and ACPI tables should stay the same (for >>> compatibility reasons or because they are architectural i

Re: [Xen-devel] Xen ballooning interface

2018-08-13 Thread Roger Pau Monné
On Mon, Aug 13, 2018 at 04:27:06PM +0200, Juergen Gross wrote: > On 13/08/18 16:12, Roger Pau Monné wrote: > > On Mon, Aug 13, 2018 at 03:06:10PM +0200, Juergen Gross wrote: > > Currently as you say there's a difference between the xenstore target > > and the guest memory map, because some memory i

Re: [Xen-devel] Xen ballooning interface

2018-08-13 Thread Juergen Gross
On 13/08/18 16:12, Roger Pau Monné wrote: > On Mon, Aug 13, 2018 at 03:06:10PM +0200, Juergen Gross wrote: >> Today's interface of Xen for memory ballooning is quite a mess. There >> are some shortcomings which should be addressed somehow. After a >> discussion on IRC there was consensus we should

Re: [Xen-devel] Xen ballooning interface

2018-08-13 Thread Juergen Gross
On 13/08/18 15:54, Jan Beulich wrote: On 13.08.18 at 15:06, wrote: >> Suggested new interface >> --- >> Hypercalls, memory map(s) and ACPI tables should stay the same (for >> compatibility reasons or because they are architectural interfaces). >> >> As the main confusion i

Re: [Xen-devel] Xen ballooning interface

2018-08-13 Thread Roger Pau Monné
On Mon, Aug 13, 2018 at 03:06:10PM +0200, Juergen Gross wrote: > Today's interface of Xen for memory ballooning is quite a mess. There > are some shortcomings which should be addressed somehow. After a > discussion on IRC there was consensus we should try to design a new > interface addressing the

Re: [Xen-devel] Xen ballooning interface

2018-08-13 Thread Jan Beulich
>>> On 13.08.18 at 15:06, wrote: > Suggested new interface > --- > Hypercalls, memory map(s) and ACPI tables should stay the same (for > compatibility reasons or because they are architectural interfaces). > > As the main confusion in the current interface is related to the >

[Xen-devel] Xen ballooning interface

2018-08-13 Thread Juergen Gross
Today's interface of Xen for memory ballooning is quite a mess. There are some shortcomings which should be addressed somehow. After a discussion on IRC there was consensus we should try to design a new interface addressing the current and probably future needs. Current interface -