Re: [PATCH RFC 1/1] qemu: capabilities: disable csske for host cpu

Am 11.03.22 um 13:27 schrieb David Hildenbrand: > On 11.03.22 13:12, Christian Borntraeger wrote: >> >> >> Am 11.03.22 um 10:23 schrieb David Hildenbrand: >>> On 11.03.22 10:17, Daniel P. Berrangé wrote: >>>> On Thu, Mar 10, 2022 at 11:17:38PM -0500, Collin Walling wrote: >>>>> CPU models past gen16a will no longer support the csske feature. In >>>>> order to secure migration of guests running on machines that still >>>>> support this feature to machines that do not, let's disable csske >>>>> in the host-model. >>> >>> Sorry to say, removing CPU features is a no-go when wanting to guarantee >>> forward migration without taking care about CPU model details manually >>> and simply using the host model. Self-made HW vendor problem. >> >> And this simply does not reflect reality. Intel and Power have removed TX >> for example. We can now sit back and please ourselves how we live in our >> world of dreams. Or we can try to define an interface that deals with >> reality and actually solves problems. >> > > Ehm, so, I spell out the obvious and get such a reaction? Okay, thank you. Sorry, reading my writing again shows that I clearly miscommunicated in a very bad style. My point was rather trying to solve a problem instead I wrote something up in a hurry which resulted in something offensive. Please accept my apologies.