[v4,0/3] Enable Zicbom in usermode

Message

Yunhui Cui Jan. 14, 2025, 2:19 a.m. UTC

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.

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(-)