On Tue, Mar 31, 2015 at 04:08:02PM +0100, Alex Bennée wrote: > This commit adds a stub function to support the KVM_SET_GUEST_DEBUG > ioctl. Currently any operation flag will return EINVAL. Actual > functionality will be added with further patches. > > Signed-off-by: Alex Bennée <alex.bennee@xxxxxxxxxx>. > > --- > v2 > - simplified form of the ioctl (stuff will go into setup_debug) > > diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt > index b112efc..06c5064 100644 > --- a/Documentation/virtual/kvm/api.txt > +++ b/Documentation/virtual/kvm/api.txt > @@ -2604,7 +2604,7 @@ handled. > 4.87 KVM_SET_GUEST_DEBUG > > Capability: KVM_CAP_SET_GUEST_DEBUG > -Architectures: x86, s390, ppc > +Architectures: x86, s390, ppc, arm64 > Type: vcpu ioctl > Parameters: struct kvm_guest_debug (in) > Returns: 0 on success; -1 on error > diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c > index 5560f74..445933d 100644 > --- a/arch/arm/kvm/arm.c > +++ b/arch/arm/kvm/arm.c > @@ -183,6 +183,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) > case KVM_CAP_ARM_PSCI: > case KVM_CAP_ARM_PSCI_0_2: > case KVM_CAP_READONLY_MEM: > + case KVM_CAP_SET_GUEST_DEBUG: > r = 1; > break; shouldn't you wait with advertising this capability until you've implemented support for it? Thanks, -Christoffer -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html