[PATCH 0/2] riscv: Add RISC-V svpbmt extension supports

wefu at redhat.com wefu at redhat.com
Tue Oct 12 11:33:42 PDT 2021


From: Fu Wei <fu.wei at linaro.org>

This patch follows the standard pure RISC-V Svpbmt extension in 
privilege spec to solve the non-coherent SOC DMA synchronization
issues.

Wei Fu (2):
  dt-bindings: riscv: Add mmu-supports with svpbmt
  riscv: Add RISC-V svpbmt supports

 .../devicetree/bindings/riscv/cpus.yaml       |  5 +++
 arch/riscv/include/asm/fixmap.h               |  2 +-
 arch/riscv/include/asm/pgtable-64.h           |  8 ++--
 arch/riscv/include/asm/pgtable-bits.h         | 41 ++++++++++++++++++-
 arch/riscv/include/asm/pgtable.h              | 39 ++++++++++++++----
 arch/riscv/kernel/cpufeature.c                | 32 +++++++++++++++
 arch/riscv/mm/init.c                          |  5 +++
 7 files changed, 117 insertions(+), 15 deletions(-)

-- 
2.25.4




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