On 7/3/23 12:16, Nicholas Piggin wrote:
> These patches implement enough to install a distro, boot, run SMP KVM
> guests with libvirt with good performance using MTTCG (as reported by
> Cedric).
>
> There are a few more SPRs that need to be done, and per-LPAR SPRs are
> mostly not annotated yet so it can't run in 1 LPAR mode. But those can
> be added in time, it will take a bit of time to get everything exactly
> as hardware does so I consider this good enough to run common
> software usefully.
>
> Thanks Joel and Cedric for reviews and testing.
>
> Since RFC:
> - Rebased against ppc-next (no conflicts vs upstream anyway).
> - Add patch 4 avocado boot test with SMT, as was added with pseries SMT.
> - Renamed POWERPC_FLAG_1LPAR to POWERPC_FLAG_SMT_1LPAR since it implies
> SMT.
> - Fixed typos, patch 1, 3 changelogs improvement (hopefully).
Since you should resend for the clang breakage, could you please update
the CAVEATS section in docs/system/ppc/powernv.rst also ?
pseries documentation will need a similar update. Not sure where though.
Thanks,
C.
>
> Thanks,
> Nick
>
> Nicholas Piggin (4):
> target/ppc: Add LPAR-per-core vs per-thread mode flag
> target/ppc: SMT support for the HID SPR
> ppc/pnv: SMT support for powernv
> tests/avocado: Add powernv machine test script
>
> hw/ppc/pnv.c | 12 +++++
> hw/ppc/pnv_core.c | 13 +++---
> hw/ppc/spapr_cpu_core.c | 2 +
> target/ppc/cpu.h | 3 ++
> target/ppc/cpu_init.c | 14 +++++-
> target/ppc/helper.h | 1 +
> target/ppc/misc_helper.c | 21 +++++++++
> target/ppc/spr_common.h | 1 +
> target/ppc/translate.c | 32 ++++++++++++--
> tests/avocado/ppc_powernv.py | 86 ++++++++++++++++++++++++++++++++++++
> 10 files changed, 173 insertions(+), 12 deletions(-)
> create mode 100644 tests/avocado/ppc_powernv.py
>