[PATCH v5 0/3] Enable Zicbom in usermode

[Yunhui Cui]

v1/v2:
There is only the first patch: RISC-V: Enable cbo.clean/flush in usermode,
which mainly removes the enabling of cbo.inval in user mode.

v3:
Add the functionality of Expose Zicbom and selftests for Zicbom.

v4:
Modify the order of macros, The test_no_cbo_inval function is added
separately.

v5:
1. Modify the order of RISCV_HWPROBE_KEY_ZICBOM_BLOCK_SIZE in hwprobe.rst
2. "TEST_NO_ZICBOINVAL" -> "TEST_NO_CBO_INVAL"

Yunhui Cui (3):
  RISC-V: Enable cbo.clean/flush in usermode
  RISC-V: hwprobe: Expose Zicbom extension and its block size
  RISC-V: selftests: Add TEST_ZICBOM into CBO tests

 Documentation/arch/riscv/hwprobe.rst        |  6 ++
 arch/riscv/include/asm/hwprobe.h            |  2 +-
 arch/riscv/include/uapi/asm/hwprobe.h       |  2 +
 arch/riscv/kernel/cpufeature.c              |  8 +++
 arch/riscv/kernel/sys_hwprobe.c             |  6 ++
 tools/testing/selftests/riscv/hwprobe/cbo.c | 66 +++++++++++++++++----
 6 files changed, 78 insertions(+), 12 deletions(-)

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2.39.2