Messages in this thread | | | Date | Wed, 22 Feb 2023 18:36:19 +0000 | Subject | Re: [PATCH 03/10] KVM: arm64: switch HCRX_EL2 between host and guest | From | Kristina Martsenko <> |
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On 16/02/2023 16:20, Mark Brown wrote: > On Thu, Feb 16, 2023 at 04:00:05PM +0000, Kristina Martsenko wrote: > >> After this change, SMPME is no longer set for guests, which should have >> no effect as SME is currently disabled for guests. > > SMPME is mainly set for the benefit of any future guests, it is > used to turn off SME priorities for guests. While it's true that > we don't have any guests support yet it's there as safety to > ensure we don't forget to enable it later on or something > otherwise goes wrong. We don't need priority mapping on the host > since we don't have any priority mapping support at all, and it's > difficult to see a reason why we would want to remap our own > priorities in the host.
That makes sense. I'll fix this in v2 so that priority mapping is enabled for guests and disabled for the host.
Thanks, Kristina
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