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authorOliver Upton <oliver.upton@linux.dev>2024-07-14 03:15:00 +0300
committerOliver Upton <oliver.upton@linux.dev>2024-07-14 03:22:32 +0300
commit377d0e5d7795381a4b676d7030266b4836cec53a (patch)
tree60a36989afedd4c61f81df6f96431917aa5b075f /arch/arm64/kvm/hyp
parent435a9f60eda4437cb779db940d8f407640e525c7 (diff)
parentb0539664cbc3cb4d8caf2265fb6242086288c89d (diff)
downloadlinux-377d0e5d7795381a4b676d7030266b4836cec53a.tar.xz
Merge branch kvm-arm64/ctr-el0 into kvmarm/next
* kvm-arm64/ctr-el0: : Support for user changes to CTR_EL0, courtesy of Sebastian Ott : : Allow userspace to change the guest-visible value of CTR_EL0 for a VM, : so long as the requested value represents a subset of features supported : by hardware. In other words, prevent the VMM from over-promising the : capabilities of hardware. : : Make this happen by fitting CTR_EL0 into the existing infrastructure for : feature ID registers. KVM: selftests: Assert that MPIDR_EL1 is unchanged across vCPU reset KVM: arm64: nv: Unfudge ID_AA64PFR0_EL1 masking KVM: selftests: arm64: Test writes to CTR_EL0 KVM: arm64: rename functions for invariant sys regs KVM: arm64: show writable masks for feature registers KVM: arm64: Treat CTR_EL0 as a VM feature ID register KVM: arm64: unify code to prepare traps KVM: arm64: nv: Use accessors for modifying ID registers KVM: arm64: Add helper for writing ID regs KVM: arm64: Use read-only helper for reading VM ID registers KVM: arm64: Make idregs debugfs iterator search sysreg table directly KVM: arm64: Get sys_reg encoding from descriptor in idregs_debug_show() Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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