Re: [PATCH v3 2/3] migration/docs: How to migrate when hosts have different features

2023-10-17 Thread Juan Quintela
"Michael S. Tsirkin" wrote: > On Mon, May 15, 2023 at 10:32:00AM +0200, Juan Quintela wrote: >> Sometimes devices have different features depending of things outside >> of qemu. For instance the kernel. Document how to handle that cases. >> >> Signed-off-by: Juan Quintela > > yes, e.g. vhost f

Re: [PATCH v3 2/3] migration/docs: How to migrate when hosts have different features

2023-10-17 Thread Juan Quintela
Peter Xu wrote: > On Mon, May 15, 2023 at 10:32:00AM +0200, Juan Quintela wrote: >> +$ qemu-system-x86_64 -cpu host,pcid=off,stibp=off >> + >> +Host B: >> + >> +$ qemu-system-x86_64 -cpu host,taa-no=off > > Since we're using cpu as example, shall we at least mention at the end that > we don't sugg

Re: [PATCH v3 2/3] migration/docs: How to migrate when hosts have different features

2023-05-17 Thread Michael S. Tsirkin
On Mon, May 15, 2023 at 10:32:00AM +0200, Juan Quintela wrote: > Sometimes devices have different features depending of things outside > of qemu. For instance the kernel. Document how to handle that cases. > > Signed-off-by: Juan Quintela yes, e.g. vhost features are exactly like this. > ---

Re: [PATCH v3 2/3] migration/docs: How to migrate when hosts have different features

2023-05-16 Thread Peter Xu
On Mon, May 15, 2023 at 10:32:00AM +0200, Juan Quintela wrote: > Sometimes devices have different features depending of things outside > of qemu. For instance the kernel. Document how to handle that cases. > > Signed-off-by: Juan Quintela > > --- > > If you have some example to put here, I am

[PATCH v3 2/3] migration/docs: How to migrate when hosts have different features

2023-05-15 Thread Juan Quintela
Sometimes devices have different features depending of things outside of qemu. For instance the kernel. Document how to handle that cases. Signed-off-by: Juan Quintela --- If you have some example to put here, I am all ears. I guess that virtio-* with some features that are on qemu but not o