diff options
| author | Oliver Upton <oliver.upton@linux.dev> | 2024-10-25 18:23:43 +0000 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2024-10-31 19:00:39 +0000 |
| commit | d97e66fbcba796bb986e2097c352afae896b7942 (patch) | |
| tree | e3551c6aa6d73121675be67ca9897d7c8acc6100 /arch/arm64/include/asm/kvm_emulate.h | |
| parent | a4063b5aa0bd7abc31c8044d897cff606cc8b74b (diff) | |
KVM: arm64: nv: Reinject traps that take effect in Host EL0
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>
Diffstat (limited to 'arch/arm64/include/asm/kvm_emulate.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_emulate.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index a601a9305b10..bf0c48403f59 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -225,6 +225,11 @@ static inline bool is_hyp_ctxt(const struct kvm_vcpu *vcpu) return vcpu_has_nv(vcpu) && __is_hyp_ctxt(&vcpu->arch.ctxt); } +static inline bool vcpu_is_host_el0(const struct kvm_vcpu *vcpu) +{ + return is_hyp_ctxt(vcpu) && !vcpu_is_el2(vcpu); +} + /* * The layout of SPSR for an AArch32 state is different when observed from an * AArch64 SPSR_ELx or an AArch32 SPSR_*. This function generates the AArch32 |