Re: [PATCH v2 2/2] live migration: use superpages for physmap population on restore when possible

2022-09-08 Thread Julien Grall
Hi Olaf, On 07/09/2022 08:45, Olaf Hering wrote: Wed, 7 Sep 2022 09:40:41 +0200 Jan Beulich : Olaf - I recall you've done some similar work before. Do you have any thoughts here, perhaps going as far as merging your and Andrei's work? > My variant is in the archives, for reference. You

Re: [PATCH v2 2/2] live migration: use superpages for physmap population on restore when possible

2022-09-07 Thread Olaf Hering
Wed, 7 Sep 2022 09:40:41 +0200 Jan Beulich : > Olaf - I recall you've done some similar work before. Do you have any > thoughts here, perhaps going as far as merging your and Andrei's work? I have no hope that any such work will be merged. My variant is in the archives, for reference.

Re: [PATCH v2 2/2] live migration: use superpages for physmap population on restore when possible

2022-09-07 Thread Jan Beulich
On 06.09.2022 11:54, Andrei Semenov wrote: > Implement an heuristic for X86 HVM guests which tries to use superpages while > populating guest physmap on live migration. This should impove memory accesses > performances for these guests. > > Signed-off-by: Andrei Semenov Olaf - I recall you've

[PATCH v2 2/2] live migration: use superpages for physmap population on restore when possible

2022-09-06 Thread Andrei Semenov
Implement an heuristic for X86 HVM guests which tries to use superpages while populating guest physmap on live migration. This should impove memory accesses performances for these guests. Signed-off-by: Andrei Semenov --- tools/include/xen-tools/libs.h | 4 ++