[PATCH v4 0/3] Enable Zicbom in usermode

From: Yunhui Cui
Date: Mon Jan 13 2025 - 21:20:18 EST


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(-)

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2.39.2