This series adds powerpc:tlbie tracepoints for radix partition
scoped invalidations. After I started getting some traces on a
32 vCPU radix guest it showed a problem with partition scoped
faults/invalidates, so I had a try at fixing it. This seems to
stable be on radix so far (haven't tested hash yet).
Thanks,
Nick
Nicholas Piggin (5):
powerpc/64s/mm: Implement LPID based TLB flushes to be used by KVM
KVM: PPC: Book3S HV: kvmppc_radix_tlbie_page use Linux flush function
KVM: PPC: Book3S HV: kvmhv_p9_set_lpcr use Linux flush function
KVM: PPC: Book3S HV: handle need_tlb_flush in C before low-level guest
entry
KVM: PPC: Book3S HV: Radix do not clear partition scoped page table
when page fault races with other vCPUs.
.../include/asm/book3s/64/tlbflush-hash.h | 2 +
.../include/asm/book3s/64/tlbflush-radix.h | 5 ++
arch/powerpc/kvm/book3s_64_mmu_radix.c | 65 +++++++-------
arch/powerpc/kvm/book3s_hv.c | 21 ++++-
arch/powerpc/kvm/book3s_hv_builtin.c | 14 ++-
arch/powerpc/kvm/book3s_hv_rmhandlers.S | 43 +--------
arch/powerpc/mm/hash_native_64.c | 8 ++
arch/powerpc/mm/tlb-radix.c | 87 +++++++++++++++++++
8 files changed, 157 insertions(+), 88 deletions(-)
--
2.17.0
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