[PATCH v4 06/28] arm64: KVM: Implement HVC_GET_VECTORS in the init code
From: Marc Zyngier <hidden>
Date: 2017-03-21 19:20:36
Also in:
kvm, kvmarm
Subsystem:
arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds
Now that we have an infrastructure to handle hypercalls in the KVM init code, let's implement HVC_GET_VECTORS there. Reviewed-by: James Morse <james.morse@arm.com> Signed-off-by: Marc Zyngier <redacted> --- arch/arm64/kvm/hyp-init.S | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/hyp-init.S b/arch/arm64/kvm/hyp-init.S
index 6cf98ccd10f2..1d89995378e9 100644
--- a/arch/arm64/kvm/hyp-init.S
+++ b/arch/arm64/kvm/hyp-init.S@@ -124,7 +124,12 @@ __do_hyp_init: ENDPROC(__kvm_hyp_init) ENTRY(__kvm_handle_stub_hvc) - cmp x0, #HVC_RESET_VECTORS + cmp x0, #HVC_GET_VECTORS + b.ne 1f + mrs x0, vbar_el2 + b exit + +1: cmp x0, #HVC_RESET_VECTORS b.ne 1f /* * Reset kvm back to the hyp stub.
--
2.11.0