linux-kernel - Re: [PATCH v11 5/5] KVM: selftests: Add test cases for LoongArch

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Message-ID: <CAAhV-H5Es=TwK+2uPWwBdJ4uEiro5H4mg-fRYdqneebWWf0H4Q@mail.gmail.com>
Date: Mon, 12 May 2025 14:54:06 +0800
From: Huacai Chen <chenhuacai@...nel.org>
To: Bibo Mao <maobibo@...ngson.cn>
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 5/5] KVM: selftests: Add test cases for LoongArch

Hi, Bibo,

On Sun, Apr 27, 2025 at 2:45 PM Bibo Mao <maobibo@...ngson.cn> wrote:
>
> Some common KVM test cases are supported on LoongArch now 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
> And other test cases are not supported by LoongArch such as rseq_test,
> since it is not supported on LoongArch physical machine either.
>
> Signed-off-by: Bibo Mao <maobibo@...ngson.cn>
> ---
>  MAINTAINERS                                    |  2 ++
>  tools/testing/selftests/kvm/Makefile           |  2 +-
>  tools/testing/selftests/kvm/Makefile.kvm       | 18 ++++++++++++++++++
>  .../selftests/kvm/set_memory_region_test.c     |  2 +-
>  4 files changed, 22 insertions(+), 2 deletions(-)
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 3cbf9ac0d83f..20cb455e0821 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -13043,6 +13043,8 @@ F:      Documentation/virt/kvm/loongarch/
>  F:     arch/loongarch/include/asm/kvm*
>  F:     arch/loongarch/include/uapi/asm/kvm*
>  F:     arch/loongarch/kvm/
> +F:     tools/testing/selftests/kvm/*/loongarch/
> +F:     tools/testing/selftests/kvm/lib/loongarch/
>
>  KERNEL VIRTUAL MACHINE FOR MIPS (KVM/mips)
>  M:     Huacai Chen <chenhuacai@...nel.org>
> diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
> index 20af35a91d6f..d9fffe06d3ea 100644
> --- a/tools/testing/selftests/kvm/Makefile
> +++ b/tools/testing/selftests/kvm/Makefile
> @@ -3,7 +3,7 @@ top_srcdir = ../../../..
>  include $(top_srcdir)/scripts/subarch.include
>  ARCH            ?= $(SUBARCH)
>
> -ifeq ($(ARCH),$(filter $(ARCH),arm64 s390 riscv x86 x86_64))
> +ifeq ($(ARCH),$(filter $(ARCH),arm64 s390 riscv x86 x86_64 loongarch))
>  # Top-level selftests allows ARCH=x86_64 :-(
>  ifeq ($(ARCH),x86_64)
>         ARCH := x86
> diff --git a/tools/testing/selftests/kvm/Makefile.kvm b/tools/testing/selftests/kvm/Makefile.kvm
> index f62b0a5aba35..7985bb42d2c1 100644
> --- a/tools/testing/selftests/kvm/Makefile.kvm
> +++ b/tools/testing/selftests/kvm/Makefile.kvm
> @@ -47,6 +47,10 @@ LIBKVM_riscv += lib/riscv/handlers.S
>  LIBKVM_riscv += lib/riscv/processor.c
>  LIBKVM_riscv += lib/riscv/ucall.c
>
> +LIBKVM_loongarch += lib/loongarch/processor.c
> +LIBKVM_loongarch += lib/loongarch/ucall.c
> +LIBKVM_loongarch += lib/loongarch/exception.S
> +
>  # Non-compiled test targets
>  TEST_PROGS_x86 += x86/nx_huge_pages_test.sh
>
> @@ -190,6 +194,20 @@ TEST_GEN_PROGS_riscv += coalesced_io_test
>  TEST_GEN_PROGS_riscv += get-reg-list
>  TEST_GEN_PROGS_riscv += steal_time
>
> +TEST_GEN_PROGS_loongarch += coalesced_io_test
> +TEST_GEN_PROGS_loongarch += demand_paging_test
> +TEST_GEN_PROGS_loongarch += dirty_log_perf_test
> +TEST_GEN_PROGS_loongarch += dirty_log_test
> +TEST_GEN_PROGS_loongarch += demand_paging_test
This line is duplicated.


Huacai

> +TEST_GEN_PROGS_loongarch += guest_print_test
> +TEST_GEN_PROGS_loongarch += hardware_disable_test
> +TEST_GEN_PROGS_loongarch += kvm_binary_stats_test
> +TEST_GEN_PROGS_loongarch += kvm_create_max_vcpus
> +TEST_GEN_PROGS_loongarch += kvm_page_table_test
> +TEST_GEN_PROGS_loongarch += memslot_modification_stress_test
> +TEST_GEN_PROGS_loongarch += memslot_perf_test
> +TEST_GEN_PROGS_loongarch += set_memory_region_test
> +
>  SPLIT_TESTS += arch_timer
>  SPLIT_TESTS += get-reg-list
>
> diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c
> index bc440d5aba57..ce3ac0fd6dfb 100644
> --- a/tools/testing/selftests/kvm/set_memory_region_test.c
> +++ b/tools/testing/selftests/kvm/set_memory_region_test.c
> @@ -350,7 +350,7 @@ static void test_invalid_memory_region_flags(void)
>         struct kvm_vm *vm;
>         int r, i;
>
> -#if defined __aarch64__ || defined __riscv || defined __x86_64__
> +#if defined __aarch64__ || defined __riscv || defined __x86_64__ || defined __loongarch__
>         supported_flags |= KVM_MEM_READONLY;
>  #endif
>
> --
> 2.39.3
>