[RFC,0/2] convert s390 to generic mmu_gather

Message

Martin Schwidefsky Sept. 18, 2018, 12:51 p.m. UTC

Hi Peter,

as an add-on for the TLB flushing changes two patches to make
s390 use the generic mmu_gather code as well. I let it run for
a few hours with several TLB stress tests, no fallout so far.
It certainly can use more testing but it looks ok to me.

Martin Schwidefsky (2):
  asm-generic/tlb: introduce HAVE_MMU_GATHER_NO_GATHER
  s390/tlb: convert to generic mmu_gather

 arch/Kconfig                |   3 +
 arch/s390/Kconfig           |   3 +
 arch/s390/include/asm/tlb.h | 130 ++++++++++++++------------------------------
 arch/s390/mm/pgalloc.c      |  63 +--------------------
 include/asm-generic/tlb.h   |   9 ++-
 mm/mmu_gather.c             | 114 ++++++++++++++++++++++----------------
 6 files changed, 121 insertions(+), 201 deletions(-)