mbox series

[v1,0/3] ppc: LPCR synchronisation fixes

Message ID 20210526091626.3388262-1-npiggin@gmail.com
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Series ppc: LPCR synchronisation fixes | expand

Message

Nicholas Piggin May 26, 2021, 9:16 a.m. UTC 
These incoherencies have been around for a while, but they've started
to get noticed now because recent Linux guests crash when LPCR[AIL] is
not set correctly (scv requires it). This series fixes at least AIL and
DPFD incoherency between KVM and QEMU, and between different vCPUs.

Thanks,
Nick

Nicholas Piggin (3):
  spapr: Remove stale comment about power-saving LPCR bits
  spapr: Set LPCR to current AIL mode when starting a new CPU
  target/ppc: Synchronize with KVM's LPCR value when creating a vCPU

 hw/ppc/spapr_cpu_core.c |  9 ++++++---
 hw/ppc/spapr_rtas.c     | 15 +++++++++------
 target/ppc/kvm.c        | 34 ++++++++++++++++++++--------------
 3 files changed, 35 insertions(+), 23 deletions(-)