Commit 495907ec authored by Peter Xu's avatar Peter Xu Committed by Paolo Bonzini

KVM: X86: Declare KVM_CAP_SET_GUEST_DEBUG properly

KVM_CAP_SET_GUEST_DEBUG should be supported for x86 however it's not declared
as supported.  My wild guess is that userspaces like QEMU are using "#ifdef
KVM_CAP_SET_GUEST_DEBUG" to check for the capability instead, but that could be
wrong because the compilation host may not be the runtime host.

The userspace might still want to keep the old "#ifdef" though to not break the
guest debug on old kernels.
Signed-off-by: default avatarPeter Xu <peterx@redhat.com>
Message-Id: <20200505154750.126300-1-peterx@redhat.com>
[Do the same for PPC and s390. - Paolo]
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 8ffdaf91
...@@ -521,6 +521,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) ...@@ -521,6 +521,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_IOEVENTFD: case KVM_CAP_IOEVENTFD:
case KVM_CAP_DEVICE_CTRL: case KVM_CAP_DEVICE_CTRL:
case KVM_CAP_IMMEDIATE_EXIT: case KVM_CAP_IMMEDIATE_EXIT:
case KVM_CAP_SET_GUEST_DEBUG:
r = 1; r = 1;
break; break;
case KVM_CAP_PPC_GUEST_DEBUG_SSTEP: case KVM_CAP_PPC_GUEST_DEBUG_SSTEP:
......
...@@ -545,6 +545,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) ...@@ -545,6 +545,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_S390_AIS: case KVM_CAP_S390_AIS:
case KVM_CAP_S390_AIS_MIGRATION: case KVM_CAP_S390_AIS_MIGRATION:
case KVM_CAP_S390_VCPU_RESETS: case KVM_CAP_S390_VCPU_RESETS:
case KVM_CAP_SET_GUEST_DEBUG:
r = 1; r = 1;
break; break;
case KVM_CAP_S390_HPAGE_1M: case KVM_CAP_S390_HPAGE_1M:
......
...@@ -3372,6 +3372,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) ...@@ -3372,6 +3372,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_GET_MSR_FEATURES: case KVM_CAP_GET_MSR_FEATURES:
case KVM_CAP_MSR_PLATFORM_INFO: case KVM_CAP_MSR_PLATFORM_INFO:
case KVM_CAP_EXCEPTION_PAYLOAD: case KVM_CAP_EXCEPTION_PAYLOAD:
case KVM_CAP_SET_GUEST_DEBUG:
r = 1; r = 1;
break; break;
case KVM_CAP_SYNC_REGS: case KVM_CAP_SYNC_REGS:
......
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