On Wed, Mar 20, 2019 at 03:39:50PM -0300, Fabiano Rosas wrote: > When calling the KVM_SET_GUEST_DEBUG ioctl, userspace might request > the next instruction to be single stepped via the > KVM_GUESTDBG_SINGLESTEP control bit of the kvm_guest_debug structure. > > We currently don't have support for guest single stepping implemented > in Book3S HV. > > This patch adds the KVM_CAP_PPC_GUEST_DEBUG_SSTEP capability in order > to inform userspace about the state of single stepping support. > > Signed-off-by: Fabiano Rosas <farosas@xxxxxxxxxxxxx> > --- > arch/powerpc/kvm/powerpc.c | 5 +++++ > include/uapi/linux/kvm.h | 1 + > 2 files changed, 6 insertions(+) I assume since this is [RFC] that you're not expecting it to go upstream as-is. If it were to go upstream it would need to include an update to Documentation/virtual/kvm/api.txt. Paul.
