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Merge branch kvm-arm64/nv-trap-forwarding into kvmarm-master/next

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* kvm-arm64/nv-trap-forwarding: (30 commits)
  : .
  : This implements the so called "trap forwarding" infrastructure, which
  : gets used when we take a trap from an L2 guest and that the L1 guest
  : wants to see the trap for itself.
  : .
  KVM: arm64: nv: Add trap description for SPSR_EL2 and ELR_EL2
  KVM: arm64: nv: Select XARRAY_MULTI to fix build error
  KVM: arm64: nv: Add support for HCRX_EL2
  KVM: arm64: Move HCRX_EL2 switch to load/put on VHE systems
  KVM: arm64: nv: Expose FGT to nested guests
  KVM: arm64: nv: Add switching support for HFGxTR/HDFGxTR
  KVM: arm64: nv: Expand ERET trap forwarding to handle FGT
  KVM: arm64: nv: Add SVC trap forwarding
  KVM: arm64: nv: Add trap forwarding for HDFGxTR_EL2
  KVM: arm64: nv: Add trap forwarding for HFGITR_EL2
  KVM: arm64: nv: Add trap forwarding for HFGxTR_EL2
  KVM: arm64: nv: Add fine grained trap forwarding infrastructure
  KVM: arm64: nv: Add trap forwarding for CNTHCTL_EL2
  KVM: arm64: nv: Add trap forwarding for MDCR_EL2
  KVM: arm64: nv: Expose FEAT_EVT to nested guests
  KVM: arm64: nv: Add trap forwarding for HCR_EL2
  KVM: arm64: nv: Add trap forwarding infrastructure
  KVM: arm64: Restructure FGT register switching
  KVM: arm64: nv: Add FGT registers
  KVM: arm64: Add missing HCR_EL2 trap bits
  ...

Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier 2023-08-28 09:28:53 +01:00
commit c1907626dd
15 changed files with 2488 additions and 41 deletions
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