linux-kernel - [PATCH v10 5/5] KVM: selftests: Add test cases for LoongArch

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Message-Id: <20250421073110.2259397-6-maobibo@loongson.cn>
Date: Mon, 21 Apr 2025 15:31:10 +0800
From: Bibo Mao <maobibo@...ngson.cn>
To: Paolo Bonzini <pbonzini@...hat.com>,
	Huacai Chen <chenhuacai@...nel.org>,
	Sean Christopherson <seanjc@...gle.com>
Cc: Shuah Khan <shuah@...nel.org>,
	linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org,
	linux-kselftest@...r.kernel.org
Subject: [PATCH v10 5/5] KVM: selftests: Add test cases for LoongArch

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 fa1e04e87d1d..87c840df68c1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13030,6 +13030,8 @@ 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
+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