KVM: arm64: pkvm: Handle GICv3 traps as required

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Forward accesses to the ICV_*SGI*_EL1 registers to EL1, and
emulate ICV_SRE_EL1 by returning a fixed value.

This should be enough to support GICv3 in a protected guest.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Fuad Tabba <tabba@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20211013120346.2926621-7-maz@kernel.org

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Marc Zyngier 2021-10-13 13:03:41 +01:00

parent f3d5ccabab

commit cbca197384

1 changed files with 17 additions and 1 deletions

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arch/arm64/kvm/hyp/nvhe/sys_regs.c

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