Linux-kselftest-mirror May 2025

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302 discussions

[PATCH v3 0/3] RISC-V KVM selftests improvements

by Atish Patra

This series improves the following tests. 1. Get-reg-list : Adds vector support 2. SBI PMU test : Distinguish between different types of illegal exception The first patch is just helper patch that adds stval support during exception handling. Signed-off-by: Atish Patra <atishp(a)rivosinc.com> --- Changes in v3: - Dropped the redundant macros and rv32 specific csr details. - Changed to vcpu_get_reg from __vcpu_get_reg based on suggestion from Drew. - Added RB tags from Drew. - Link to v2: https://lore.kernel.org/r/20250429-kvm_selftest_improve-v2-0-51713f91e04a@r… Changes in v2: - Rebased on top of Linux 6.15-rc4 - Changed from ex_regs to pt_regs based on Drew's suggestion. - Dropped Anup's review on PATCH1 as it is significantly changed from last review. - Moved the instruction decoding macros to a common header file. - Improved the vector reg list test as per the feedback. - Link to v1: https://lore.kernel.org/r/20250324-kvm_selftest_improve-v1-0-583620219d4f@r… --- Atish Patra (3): KVM: riscv: selftests: Align the trap information wiht pt_regs KVM: riscv: selftests: Decode stval to identify exact exception type KVM: riscv: selftests: Add vector extension tests .../selftests/kvm/include/riscv/processor.h | 23 +++- tools/testing/selftests/kvm/lib/riscv/handlers.S | 139 +++++++++++---------- tools/testing/selftests/kvm/lib/riscv/processor.c | 2 +- tools/testing/selftests/kvm/riscv/arch_timer.c | 2 +- tools/testing/selftests/kvm/riscv/ebreak_test.c | 2 +- tools/testing/selftests/kvm/riscv/get-reg-list.c | 132 +++++++++++++++++++ tools/testing/selftests/kvm/riscv/sbi_pmu_test.c | 24 +++- 7 files changed, 247 insertions(+), 77 deletions(-) --- base-commit: f15d97df5afae16f40ecef942031235d1c6ba14f change-id: 20250324-kvm_selftest_improve-9bedb9f0a6d3 -- Regards, Atish patra

7 months

[PATCH 0/2] Update kunit doc and tool with tips to build errors

by Shuah Khan

kunit kernel build could fail if there are ny build artifacts from a prior kernel build. These can be hard to debug if the build artifact happens to be generated header file. It took me a while to debug kunit build fail on ARCH=x86_64 in a tree which had a generated header file arch/x86/realmode/rm/pasyms.h make ARCH=um mrproper will not clean the tree. It is necessary to run make ARCH=x86_64 mrproper Example work-flow that could lead to this: make allmodconfig (x86_64) make ./tools/testing/kunit/kunit.py run Add this to the documentation and kunit.py build help message. Shuah Khan (2): doc: kunit: add information about cleaning source trees kunit: add tips to clean source tree to build help message Documentation/dev-tools/kunit/start.rst | 12 ++++++++++++ tools/testing/kunit/kunit.py | 2 +- 2 files changed, 13 insertions(+), 1 deletion(-) -- 2.47.2

7 months

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Linux-kselftest-mirror May 2025