1 files changed, 0 insertions, 32 deletions
diff --git a/tools/testing/selftests/kvm/lib/s390x/ucall.c b/tools/testing/selftests/kvm/lib/s390x/ucall.c
deleted file mode 100644
index a7f02dc372cf..000000000000
--- a/tools/testing/selftests/kvm/lib/s390x/ucall.c
+++ /dev/null
@@ -1,32 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * ucall support. A ucall is a "hypercall to userspace".
- *
- * Copyright (C) 2019 Red Hat, Inc.
- */
-#include "kvm_util.h"
-
-void ucall_arch_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa)
-{
-}
-
-void ucall_arch_do_ucall(vm_vaddr_t uc)
-{
-	/* Exit via DIAGNOSE 0x501 (normally used for breakpoints) */
-	asm volatile ("diag 0,%0,0x501" : : "a"(uc) : "memory");
-}
-
-void *ucall_arch_get_ucall(struct kvm_vcpu *vcpu)
-{
-	struct kvm_run *run = vcpu->run;
-
-	if (run->exit_reason == KVM_EXIT_S390_SIEIC &&
-	    run->s390_sieic.icptcode == 4 &&
-	    (run->s390_sieic.ipa >> 8) == 0x83 &&    /* 0x83 means DIAGNOSE */
-	    (run->s390_sieic.ipb >> 16) == 0x501) {
-		int reg = run->s390_sieic.ipa & 0xf;
-
-		return (void *)run->s.regs.gprs[reg];
-	}
-	return NULL;
-}