linux-kernel - [PATCH v2 0/3] RISC-V KVM selftests improvements

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Message-Id: <20250429-kvm_selftest_improve-v2-0-51713f91e04a@rivosinc.com>
Date: Tue, 29 Apr 2025 17:18:44 -0700
From: Atish Patra <atishp@...osinc.com>
To: Anup Patel <anup@...infault.org>, Atish Patra <atishp@...shpatra.org>, 
 Paolo Bonzini <pbonzini@...hat.com>, Shuah Khan <shuah@...nel.org>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Alexandre Ghiti <alex@...ti.fr>, 
 Andrew Jones <ajones@...tanamicro.com>
Cc: kvm@...r.kernel.org, kvm-riscv@...ts.infradead.org, 
 linux-riscv@...ts.infradead.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Atish Patra <atishp@...osinc.com>
Subject: [PATCH v2 0/3] RISC-V KVM selftests improvements

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@...osinc.com>
---
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@rivosinc.com

---
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   | 164 ++++++++++++---------
 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   | 133 +++++++++++++++++
 tools/testing/selftests/kvm/riscv/sbi_pmu_test.c   |  24 ++-
 7 files changed, 270 insertions(+), 80 deletions(-)
---
base-commit: f15d97df5afae16f40ecef942031235d1c6ba14f
change-id: 20250324-kvm_selftest_improve-9bedb9f0a6d3
--
Regards,
Atish patra