From: Oliver Upton Date: Fri, 16 Jun 2023 00:49:36 +0000 (+0000) Subject: Merge branch kvm-arm64/ampere1-hafdbs-mitigation into kvmarm/next X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=92d05e2492f1400029e84b5a72e15811ef787ee9;p=linux.git Merge branch kvm-arm64/ampere1-hafdbs-mitigation into kvmarm/next * kvm-arm64/ampere1-hafdbs-mitigation: : AmpereOne erratum AC03_CPU_38 mitigation : : AmpereOne does not advertise support for FEAT_HAFDBS due to an : underlying erratum in the feature. The associated control bits do not : have RES0 behavior as required by the architecture. : : Introduce mitigations to prevent KVM from enabling the feature at : stage-2 as well as preventing KVM guests from enabling HAFDBS at : stage-1. KVM: arm64: Prevent guests from enabling HA/HD on Ampere1 KVM: arm64: Refactor HFGxTR configuration into separate helpers arm64: errata: Mitigate Ampere1 erratum AC03_CPU_38 at stage-2 Signed-off-by: Oliver Upton --- 92d05e2492f1400029e84b5a72e15811ef787ee9