pseries provides stolen time accounting when VIRT_CPU_ACCOUNTING_NATIVE
is selected, but not when VIRT_CPU_ACCOUNTING_GEN is. We like GEN
because it's less code in arch/powerpc, allows full nohz, and distros
have moved to it, so this series adds stolen time accounting for GEN,
and moves our pseries configs over to it.
Thanks,
Nick
Since v1:
- Move the KVM patches out of this series to make it smaller.
I'll post them separately.
- Fix compilation bug in patch 2 due to missing header in patch.
- Add defconfig changes to patch 3.
- Add tidy up patch 4.
- Improve changelogs.
Nicholas Piggin (4):
powerpc/pseries: Add wait interval counter definitions to struct
lppaca
powerpc/pseries: Implement CONFIG_PARAVIRT_TIME_ACCOUNTING
powerpc/64: Remove PPC64 special case for cputime accounting default
powerpc/pseries: Move dtl scanning and steal time accounting to
pseries platform
.../admin-guide/kernel-parameters.txt | 6 +-
arch/powerpc/configs/ppc64_defconfig | 2 +
arch/powerpc/configs/pseries_defconfig | 2 +
arch/powerpc/include/asm/cputime.h | 2 +-
arch/powerpc/include/asm/dtl.h | 8 --
arch/powerpc/include/asm/lppaca.h | 10 +-
arch/powerpc/include/asm/paravirt.h | 12 +++
arch/powerpc/include/asm/paravirt_api_clock.h | 1 +
arch/powerpc/include/asm/time.h | 5 +-
arch/powerpc/kernel/time.c | 92 +------------------
arch/powerpc/platforms/pseries/Kconfig | 8 ++
arch/powerpc/platforms/pseries/dtl.c | 81 ++++++++++++++++
arch/powerpc/platforms/pseries/lpar.c | 11 +++
arch/powerpc/platforms/pseries/setup.c | 19 ++++
init/Kconfig | 3 +-
15 files changed, 156 insertions(+), 106 deletions(-)
create mode 100644 arch/powerpc/include/asm/paravirt_api_clock.h
--
2.37.2
