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[v2,0/7] Various TLB and PTE improvements

Message ID 20180520004347.19508-1-npiggin@gmail.com (mailing list archive)
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Series Various TLB and PTE improvements | expand

Message

Nicholas Piggin May 20, 2018, 12:43 a.m. UTC 
I've posted most of these separately at one time or another but I
will send them as a series, there have been some bug fixes and
changelog and comment improvements, and got some more numbers.

Most of the patches are logically independent (except 2 and 3 AFAIKS).

Thanks,
Nick

Nicholas Piggin (7):
  powerpc/64s/radix: do not flush TLB on spurious fault
  powerpc/64s/radix: reset mm_cpumask for single thread process when
    possible
  powerpc/64s/radix: make single threaded mms always flush all translations
    from non-local CPUs
  powerpc/64s/radix: make ptep_get_and_clear_full non-atomic for the
    full case
  powerpc/64s/radix: optimise pte_update
  powerpc/64s/radix: prefetch user address in update_mmu_cache
  powerpc/64s/radix: avoid ptesync after set_pte and
    ptep_set_access_flags

 arch/powerpc/include/asm/book3s/64/radix.h    | 37 ++++----
 arch/powerpc/include/asm/book3s/64/tlbflush.h | 12 ++-
 arch/powerpc/include/asm/cacheflush.h         | 13 +++
 arch/powerpc/include/asm/mmu_context.h        | 19 ++++
 arch/powerpc/include/asm/tlb.h                |  8 ++
 arch/powerpc/mm/mem.c                         |  4 +-
 arch/powerpc/mm/mmu_context.c                 |  6 +-
 arch/powerpc/mm/pgtable-book3s64.c            |  3 +-
 arch/powerpc/mm/tlb-radix.c                   | 89 ++++++++++++++-----
 9 files changed, 143 insertions(+), 48 deletions(-)