[PATCH v3 00/15] KVM: arm64: nv: FPSIMD/SVE, plus some other CPTR goodies

[Oliver Upton <oliver.upton@linux.dev>]

v2 -> v3:
 - Reorder patches to fix bisection (Marc)
 - Use helper that returns ZCR_ELx offset, so it can be used to handle
   reads and writes (Marc)

v2: https://lore.kernel.org/kvmarm/20240613201756.3258227-1-oliver.upton@linux.dev/

Jintack Lim (1):
  KVM: arm64: nv: Forward FP/ASIMD traps to guest hypervisor

Marc Zyngier (4):
  KVM: arm64: nv: Handle CPACR_EL1 traps
  KVM: arm64: nv: Add TCPAC/TTA to CPTR->CPACR conversion helper
  KVM: arm64: nv: Add trap description for CPTR_EL2
  KVM: arm64: nv: Add additional trap setup for CPTR_EL2

Oliver Upton (10):
  KVM: arm64: nv: Forward SVE traps to guest hypervisor
  KVM: arm64: nv: Handle ZCR_EL2 traps
  KVM: arm64: nv: Load guest hyp's ZCR into EL1 state
  KVM: arm64: nv: Save guest's ZCR_EL2 when in hyp context
  KVM: arm64: nv: Use guest hypervisor's max VL when running nested
    guest
  KVM: arm64: nv: Ensure correct VL is loaded before saving SVE state
  KVM: arm64: Spin off helper for programming CPTR traps
  KVM: arm64: nv: Load guest FP state for ZCR_EL2 trap
  KVM: arm64: nv: Honor guest hypervisor's FP/SVE traps in CPTR_EL2
  KVM: arm64: Allow the use of SVE+NV

 arch/arm64/include/asm/kvm_emulate.h    |  55 +++++++++
 arch/arm64/include/asm/kvm_host.h       |   6 +
 arch/arm64/include/asm/kvm_nested.h     |   4 +-
 arch/arm64/kvm/arm.c                    |   5 -
 arch/arm64/kvm/emulate-nested.c         |  91 ++++++++++++++
 arch/arm64/kvm/fpsimd.c                 |  19 ++-
 arch/arm64/kvm/handle_exit.c            |  19 ++-
 arch/arm64/kvm/hyp/include/hyp/switch.h |  24 +++-
 arch/arm64/kvm/hyp/vhe/switch.c         | 156 ++++++++++++++++++++----
 arch/arm64/kvm/nested.c                 |   3 +-
 arch/arm64/kvm/sys_regs.c               |  38 ++++++
 11 files changed, 376 insertions(+), 44 deletions(-)


base-commit: 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0
-- 
2.45.2.741.gdbec12cfda-goog