[PATCH 0/7] powerpc/64s: TLB flushing improvements
Nicholas Piggin
npiggin at gmail.com
Fri Dec 18 00:47:24 AEDT 2020
Another round of reducing TLB flushing (mostly on radix).
Thanks,
Nick
Nicholas Piggin (7):
powerpc/64s/radix: add warning and comments in mm_cpumask trim
powerpc/64s/radix: refactor TLB flush type selection
powerpc/64s/radix: Check for no TLB flush required
powerpc/64s/radix: Allow mm_cpumask trimming from external sources
powerpc/64s/radix: occasionally attempt to trim mm_cpumask
powerpc/64s/radix: serialize_against_pte_lookup IPIs trim mm_cpumask
powerpc/64s: Implement ptep_clear_flush_young that does not flush TLBs
arch/powerpc/include/asm/book3s/64/pgtable.h | 23 +-
arch/powerpc/mm/book3s64/pgtable.c | 13 +-
arch/powerpc/mm/book3s64/radix_tlb.c | 297 ++++++++++++-------
3 files changed, 225 insertions(+), 108 deletions(-)
--
2.23.0
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