From: Oliver Upton Date: Mon, 30 Oct 2023 20:18:23 +0000 (+0000) Subject: Merge branch kvm-arm64/pmevtyper-filter into kvmarm/next X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=7ff7dfe946ab696a3335a98bdc30210f2b567825;p=people%2Fpauldu%2Flinux.git Merge branch kvm-arm64/pmevtyper-filter into kvmarm/next * kvm-arm64/pmevtyper-filter: : Fixes to KVM's handling of the PMUv3 exception level filtering bits : : - NSH (count at EL2) and M (count at EL3) should be stateful when the : respective EL is advertised in the ID registers but have no effect on : event counting. : : - NSU and NSK modify the event filtering of EL0 and EL1, respectively. : Though the kernel may not use these bits, other KVM guests might. : Implement these bits exactly as written in the pseudocode if EL3 is : advertised. KVM: arm64: Add PMU event filter bits required if EL3 is implemented KVM: arm64: Make PMEVTYPER_EL0.NSH RES0 if EL2 isn't advertised Signed-off-by: Oliver Upton --- 7ff7dfe946ab696a3335a98bdc30210f2b567825