Re: [Xen-devel] [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec

2014-12-11 Thread Olaf Hering
On Thu, Dec 11, David Vrabel wrote: > Nothing special needs to be done with ballooned pages. If frames are > not populated in the original domain, they will be unpopulated in the > new domain. > > It's the responsibility of the guest to ensure it either doesn't kexec > when it is ballooned or th

Re: [Xen-devel] [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec

2014-12-11 Thread David Vrabel
On 11/12/14 14:24, Olaf Hering wrote: > On Wed, Dec 03, Vitaly Kuznetsov wrote: > >> When a PVHVM linux guest performs kexec there are lots of things which >> require taking care of: >> - shared info, vcpu_info >> - grants >> - event channels >> - ... >> Instead of taking care of all these things

Re: [Xen-devel] [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec

2014-12-11 Thread Olaf Hering
On Wed, Dec 03, Vitaly Kuznetsov wrote: > When a PVHVM linux guest performs kexec there are lots of things which > require taking care of: > - shared info, vcpu_info > - grants > - event channels > - ... > Instead of taking care of all these things we can rebuild the domain > performing kexec from

Re: [Xen-devel] [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec

2014-12-04 Thread Wei Liu
On Thu, Dec 04, 2014 at 03:46:59PM +0100, Vitaly Kuznetsov wrote: > Wei Liu writes: > > > On Wed, Dec 03, 2014 at 06:16:12PM +0100, Vitaly Kuznetsov wrote: > >> Changes from RFCv3: > >> This is the first non-RFC series as no major concerns were expressed. I'm > >> trying > >> to address Jan's co

Re: [Xen-devel] [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec

2014-12-04 Thread Vitaly Kuznetsov
Wei Liu writes: > On Wed, Dec 03, 2014 at 06:16:12PM +0100, Vitaly Kuznetsov wrote: >> Changes from RFCv3: >> This is the first non-RFC series as no major concerns were expressed. I'm >> trying >> to address Jan's comments. Changes are: >> - Move from XEN_DOMCTL_set_recipient to XEN_DOMCTL_devou

Re: [Xen-devel] [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec

2014-12-04 Thread Vitaly Kuznetsov
Olaf Hering writes: > On Wed, Dec 03, Vitaly Kuznetsov wrote: > >> Original description: >> >> When a PVHVM linux guest performs kexec there are lots of things which >> require taking care of: >> - shared info, vcpu_info >> - grants >> - event channels >> - ... >> Instead of taking care of all t

Re: [Xen-devel] [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec

2014-12-04 Thread Wei Liu
On Wed, Dec 03, 2014 at 06:16:12PM +0100, Vitaly Kuznetsov wrote: > Changes from RFCv3: > This is the first non-RFC series as no major concerns were expressed. I'm > trying > to address Jan's comments. Changes are: > - Move from XEN_DOMCTL_set_recipient to XEN_DOMCTL_devour (I don't really like >

Re: [Xen-devel] [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec

2014-12-04 Thread Olaf Hering
On Wed, Dec 03, Vitaly Kuznetsov wrote: > Original description: > > When a PVHVM linux guest performs kexec there are lots of things which > require taking care of: > - shared info, vcpu_info > - grants > - event channels > - ... > Instead of taking care of all these things we can rebuild the dom

[Xen-devel] [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec

2014-12-03 Thread Vitaly Kuznetsov
Changes from RFCv3: This is the first non-RFC series as no major concerns were expressed. I'm trying to address Jan's comments. Changes are: - Move from XEN_DOMCTL_set_recipient to XEN_DOMCTL_devour (I don't really like the name but nothing more appropriate came to my mind) which incorporates f