KVM: arm64: debug: Drop useless vpcu parameter

As part of the ongoing spring cleanup, remove the now useless
vcpu parameter that is passed around (host and guest contexts
give us everything we need).
Signed-off-by: Marc Zyngier <maz@kernel.org>

arch/arm64/kvm/hyp/include/hyp/debug-sr.h

@@ -88,8 +88,7 @@
 	default:	write_debug(ptr[0], reg, 0);			\
 	}
 
-static inline void __debug_save_state(struct kvm_vcpu *vcpu,
-				      struct kvm_guest_debug_arch *dbg,
+static void __debug_save_state(struct kvm_guest_debug_arch *dbg,
 			       struct kvm_cpu_context *ctxt)
 {
 	u64 aa64dfr0;
@@ -107,8 +106,7 @@ static inline void __debug_save_state(struct kvm_vcpu *vcpu,
 	ctxt_sys_reg(ctxt, MDCCINT_EL1) = read_sysreg(mdccint_el1);
 }
 
-static inline void __debug_restore_state(struct kvm_vcpu *vcpu,
-					 struct kvm_guest_debug_arch *dbg,
+static void __debug_restore_state(struct kvm_guest_debug_arch *dbg,
 				  struct kvm_cpu_context *ctxt)
 {
 	u64 aa64dfr0;
@@ -142,8 +140,8 @@ static inline void __debug_switch_to_guest_common(struct kvm_vcpu *vcpu)
 	host_dbg = &vcpu->arch.host_debug_state.regs;
 	guest_dbg = kern_hyp_va(vcpu->arch.debug_ptr);
 
-	__debug_save_state(vcpu, host_dbg, host_ctxt);
-	__debug_restore_state(vcpu, guest_dbg, guest_ctxt);
+	__debug_save_state(host_dbg, host_ctxt);
+	__debug_restore_state(guest_dbg, guest_ctxt);
 }
 
 static inline void __debug_switch_to_host_common(struct kvm_vcpu *vcpu)
@@ -161,8 +159,8 @@ static inline void __debug_switch_to_host_common(struct kvm_vcpu *vcpu)
 	host_dbg = &vcpu->arch.host_debug_state.regs;
 	guest_dbg = kern_hyp_va(vcpu->arch.debug_ptr);
 
-	__debug_save_state(vcpu, guest_dbg, guest_ctxt);
-	__debug_restore_state(vcpu, host_dbg, host_ctxt);
+	__debug_save_state(guest_dbg, guest_ctxt);
+	__debug_restore_state(host_dbg, host_ctxt);
 
 	vcpu->arch.flags &= ~KVM_ARM64_DEBUG_DIRTY;
 }