diff options
| author | Oliver Upton <oliver.upton@linux.dev> | 2025-07-08 10:25:10 -0700 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2025-07-08 11:35:54 -0700 |
| commit | 9aba641b9ec2a9f443a6c666c054c5e98ef550b5 (patch) | |
| tree | 6ca4c4e3d20f305b77f3d1d2ae9f3a6d2f9fa5f4 /arch/arm64/kvm/mmio.c | |
| parent | aae35f4ffbf20a09c5a5188ef5ddb3a4b5038df0 (diff) | |
KVM: arm64: nv: Respect exception routing rules for SEAs
Synchronous external aborts are taken to EL2 if ELIsInHost() or
HCR_EL2.TEA=1. Rework the SEA injection plumbing to respect the imposed
routing of the guest hypervisor and opportunistically rephrase things to
make their function a bit more obvious.
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250708172532.1699409-6-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/kvm/mmio.c')
| -rw-r--r-- | arch/arm64/kvm/mmio.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/arm64/kvm/mmio.c b/arch/arm64/kvm/mmio.c index ab365e839874..573a6ade2f4e 100644 --- a/arch/arm64/kvm/mmio.c +++ b/arch/arm64/kvm/mmio.c @@ -169,10 +169,8 @@ int io_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa) trace_kvm_mmio_nisv(*vcpu_pc(vcpu), kvm_vcpu_get_esr(vcpu), kvm_vcpu_get_hfar(vcpu), fault_ipa); - if (vcpu_is_protected(vcpu)) { - kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu)); - return 1; - } + if (vcpu_is_protected(vcpu)) + return kvm_inject_sea_dabt(vcpu, kvm_vcpu_get_hfar(vcpu)); if (test_bit(KVM_ARCH_FLAG_RETURN_NISV_IO_ABORT_TO_USER, &vcpu->kvm->arch.flags)) { |