KVM: arm64: nv: Reinject traps that take effect in Host EL0

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Wire up the other end of traps that affect host EL0 by actually
injecting them into the guest hypervisor. Skip over FGT entirely, as a
cursory glance suggests no FGT is effective in host EL0.

Note that kvm_inject_nested() is already equipped for handling
exceptions while the VM is already in a host context.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20241025182354.3364124-9-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

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Oliver Upton 2024-10-25 18:23:43 +00:00

parent a4063b5aa0

commit d97e66fbcb

2 changed files with 30 additions and 4 deletions

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5

arch/arm64/include/asm/kvm_emulate.h

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29

arch/arm64/kvm/emulate-nested.c

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