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Message-ID: <70949c17-5ed4-189c-3e7a-47848a27684c@loongson.cn> Date: Mon, 19 May 2025 15:50:01 +0800 From: Bibo Mao <maobibo@...ngson.cn> To: Huacai Chen <chenhuacai@...nel.org> Cc: Paolo Bonzini <pbonzini@...hat.com>, Sean Christopherson <seanjc@...gle.com>, Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org, kvm@...r.kernel.org, linux-kselftest@...r.kernel.org Subject: Re: [PATCH v11 0/5] KVM: selftests: Add LoongArch support On 2025/5/12 下午2:53, Huacai Chen wrote: > Hi, Bibo, > > On Sun, Apr 27, 2025 at 2:45 PM Bibo Mao <maobibo@...ngson.cn> wrote: >> >> This patchset adds KVM selftests for LoongArch system, currently only >> some common test cases are supported and pass to run. These test cases >> are listed as following: >> coalesced_io_test >> demand_paging_test >> dirty_log_perf_test >> dirty_log_test >> guest_print_test >> hardware_disable_test >> kvm_binary_stats_test >> kvm_create_max_vcpus >> kvm_page_table_test >> memslot_modification_stress_test >> memslot_perf_test >> set_memory_region_test > I have applied this series [1] but with some modifications (see > comments in other patches). You can test it to see if everything is > OK. > > And if it's OK, it is better to fetch the patches from [1] and then send V12. > > [1] https://github.com/chenhuacai/linux/commits/loongarch-next That is ok for me. Will send V12 soon. Regards Bibo Mao > > > > Huacai > >> >> --- >> Changes in v11: >> 1. Fix a typo issue in notes of patch 2, it is kvm_util_arch.h rather than >> kvm_util_base.h >> >> Changes in v10: >> 1. Add PS_64K and remove PS_8K in file include/loongarch/processor.h >> 2. Fix a typo issue in file lib/loongarch/processor.c >> 3. Update file MAINTAINERS about LoongArch KVM selftests >> >> Changes in v9: >> 1. Add vm mode VM_MODE_P47V47_16K, LoongArch VM uses this mode by >> default, rather than VM_MODE_P36V47_16K. >> 2. Refresh some spelling issues in changelog. >> >> Changes in v8: >> 1. Porting patch based on the latest version. >> 2. For macro PC_OFFSET_EXREGS, offsetof() method is used for C header file, >> still hardcoded definition for assemble language. >> >> Changes in v7: >> 1. Refine code to add LoongArch support in test case >> set_memory_region_test. >> >> Changes in v6: >> 1. Refresh the patch based on latest kernel 6.8-rc1, add LoongArch >> support about testcase set_memory_region_test. >> 2. Add hardware_disable_test test case. >> 3. Drop modification about macro DEFAULT_GUEST_TEST_MEM, it is problem >> of LoongArch binutils, this issue is raised to LoongArch binutils owners. >> >> Changes in v5: >> 1. In LoongArch kvm self tests, the DEFAULT_GUEST_TEST_MEM could be >> 0x130000000, it is different from the default value in memstress.h. >> So we Move the definition of DEFAULT_GUEST_TEST_MEM into LoongArch >> ucall.h, and add 'ifndef' condition for DEFAULT_GUEST_TEST_MEM >> in memstress.h. >> >> Changes in v4: >> 1. Remove the based-on flag, as the LoongArch KVM patch series >> have been accepted by Linux kernel, so this can be applied directly >> in kernel. >> >> Changes in v3: >> 1. Improve implementation of LoongArch VM page walk. >> 2. Add exception handler for LoongArch. >> 3. Add dirty_log_test, dirty_log_perf_test, guest_print_test >> test cases for LoongArch. >> 4. Add __ASSEMBLER__ macro to distinguish asm file and c file. >> 5. Move ucall_arch_do_ucall to the header file and make it as >> static inline to avoid function calls. >> 6. Change the DEFAULT_GUEST_TEST_MEM base addr for LoongArch. >> >> Changes in v2: >> 1. We should use ".balign 4096" to align the assemble code with 4K in >> exception.S instead of "align 12". >> 2. LoongArch only supports 3 or 4 levels page tables, so we remove the >> hanlders for 2-levels page table. >> 3. Remove the DEFAULT_LOONGARCH_GUEST_STACK_VADDR_MIN and use the common >> DEFAULT_GUEST_STACK_VADDR_MIN to allocate stack memory in guest. >> 4. Reorganize the test cases supported by LoongArch. >> 5. Fix some code comments. >> 6. Add kvm_binary_stats_test test case into LoongArch KVM selftests. >> --- >> Bibo Mao (5): >> KVM: selftests: Add VM_MODE_P47V47_16K VM mode >> KVM: selftests: Add KVM selftests header files for LoongArch >> KVM: selftests: Add core KVM selftests support for LoongArch >> KVM: selftests: Add ucall test support for LoongArch >> KVM: selftests: Add test cases for LoongArch >> >> MAINTAINERS | 2 + >> tools/testing/selftests/kvm/Makefile | 2 +- >> tools/testing/selftests/kvm/Makefile.kvm | 18 + >> .../testing/selftests/kvm/include/kvm_util.h | 6 + >> .../kvm/include/loongarch/kvm_util_arch.h | 7 + >> .../kvm/include/loongarch/processor.h | 141 ++++++++ >> .../selftests/kvm/include/loongarch/ucall.h | 20 + >> tools/testing/selftests/kvm/lib/kvm_util.c | 3 + >> .../selftests/kvm/lib/loongarch/exception.S | 59 +++ >> .../selftests/kvm/lib/loongarch/processor.c | 342 ++++++++++++++++++ >> .../selftests/kvm/lib/loongarch/ucall.c | 38 ++ >> .../selftests/kvm/set_memory_region_test.c | 2 +- >> 12 files changed, 638 insertions(+), 2 deletions(-) >> create mode 100644 tools/testing/selftests/kvm/include/loongarch/kvm_util_arch.h >> create mode 100644 tools/testing/selftests/kvm/include/loongarch/processor.h >> create mode 100644 tools/testing/selftests/kvm/include/loongarch/ucall.h >> create mode 100644 tools/testing/selftests/kvm/lib/loongarch/exception.S >> create mode 100644 tools/testing/selftests/kvm/lib/loongarch/processor.c >> create mode 100644 tools/testing/selftests/kvm/lib/loongarch/ucall.c >> >> >> base-commit: 5bc1018675ec28a8a60d83b378d8c3991faa5a27 >> -- >> 2.39.3 >>
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