On Mon Jun 3, 2024 at 9:13 PM AEST, Shivaprasad G Bhat wrote: > The series fixes the issues exposed by the kvm-unit-tests[1] > sprs-migration test. > > The SDAR, MMCR3 were seen to have some typo/refactoring bugs. > The first two patches fix them. > > Though the nestedv2 APIs defined the guest state elements for > Power ISA 3.1B SPRs to save-restore with PHYP during entry-exit, > the DEXCR and HASHKEYR were ignored in code. The KVM_PPC_REG too > for them are missing without which the Qemu is not setting them > to their 'previous' value during guest migration at destination. > The remaining patches take care of this. These aren't just fixes for nested v2 or even just migration, by the way. Good fixes. Thanks, Nick > > References: > [1]: https://github.com/kvm-unit-tests/kvm-unit-tests > > --- > > Shivaprasad G Bhat (6): > KVM: PPC: Book3S HV: Fix the set_one_reg for MMCR3 > KVM: PPC: Book3S HV: Fix the get_one_reg of SDAR > KVM: PPC: Book3S HV nestedv2: Keep nested guest DEXCR in sync > KVM: PPC: Book3S HV: Add one-reg interface for DEXCR register > KVM: PPC: Book3S HV nestedv2: Keep nested guest HASHKEYR in sync > KVM: PPC: Book3S HV: Add one-reg interface for HASHKEYR register > > > Documentation/virt/kvm/api.rst | 2 ++ > arch/powerpc/include/asm/kvm_host.h | 2 ++ > arch/powerpc/include/uapi/asm/kvm.h | 2 ++ > arch/powerpc/kvm/book3s_hv.c | 16 ++++++++++++++-- > arch/powerpc/kvm/book3s_hv.h | 2 ++ > arch/powerpc/kvm/book3s_hv_nestedv2.c | 12 ++++++++++++ > tools/arch/powerpc/include/uapi/asm/kvm.h | 2 ++ > 7 files changed, 36 insertions(+), 2 deletions(-) > > -- > Signature
