[PATCH 0/2] xtensa: cache aliasing fixes

[Max Filippov]

Hello,

this series changes TLBTEMP region placement and disables preemption
around all cache alias management calls. This fixes TLB miss and
multihit issues in the TLBTEMP area seen on cores with aliasing cache.

Max Filippov (2):
  xtensa: fix TLBTEMP area placement
  xtensa: disable preemption around cache alias management calls

 Documentation/xtensa/mmu.rst      |  9 ++++++---
 arch/xtensa/include/asm/pgtable.h |  2 +-
 arch/xtensa/mm/cache.c            | 14 ++++++++++++++
 3 files changed, 21 insertions(+), 4 deletions(-)

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2.20.1