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Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
-rw-r--r--arch/s390/kvm/kvm-s390.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index fe24150ff666..7f4bc58a53b9 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -11,6 +11,9 @@
* Jason J. Herne <jjherne@us.ibm.com>
*/
+#define KMSG_COMPONENT "kvm-s390"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/compiler.h>
#include <linux/err.h>
#include <linux/fs.h>
@@ -44,10 +47,6 @@
#include "kvm-s390.h"
#include "gaccess.h"
-#define KMSG_COMPONENT "kvm-s390"
-#undef pr_fmt
-#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
-
#define CREATE_TRACE_POINTS
#include "trace.h"
#include "trace-s390.h"
@@ -417,19 +416,30 @@ static void kvm_s390_cpu_feat_init(void)
int kvm_arch_init(void *opaque)
{
+ int rc;
+
kvm_s390_dbf = debug_register("kvm-trace", 32, 1, 7 * sizeof(long));
if (!kvm_s390_dbf)
return -ENOMEM;
if (debug_register_view(kvm_s390_dbf, &debug_sprintf_view)) {
- debug_unregister(kvm_s390_dbf);
- return -ENOMEM;
+ rc = -ENOMEM;
+ goto out_debug_unreg;
}
kvm_s390_cpu_feat_init();
/* Register floating interrupt controller interface. */
- return kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC);
+ rc = kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC);
+ if (rc) {
+ pr_err("Failed to register FLIC rc=%d\n", rc);
+ goto out_debug_unreg;
+ }
+ return 0;
+
+out_debug_unreg:
+ debug_unregister(kvm_s390_dbf);
+ return rc;
}
void kvm_arch_exit(void)
@@ -464,7 +474,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_S390_CSS_SUPPORT:
case KVM_CAP_IOEVENTFD:
case KVM_CAP_DEVICE_CTRL:
- case KVM_CAP_ENABLE_CAP_VM:
case KVM_CAP_S390_IRQCHIP:
case KVM_CAP_VM_ATTRIBUTES:
case KVM_CAP_MP_STATE:
@@ -607,7 +616,7 @@ static void icpt_operexc_on_all_vcpus(struct kvm *kvm)
}
}
-static int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap)
+int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap)
{
int r;
@@ -1933,14 +1942,6 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = kvm_s390_inject_vm(kvm, &s390int);
break;
}
- case KVM_ENABLE_CAP: {
- struct kvm_enable_cap cap;
- r = -EFAULT;
- if (copy_from_user(&cap, argp, sizeof(cap)))
- break;
- r = kvm_vm_ioctl_enable_cap(kvm, &cap);
- break;
- }
case KVM_CREATE_IRQCHIP: {
struct kvm_irq_routing_entry routing;