linux-kernel - [PATCH 12/14] KVM: selftests: Use wildcards to find library source files

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Date:   Tue, 13 Dec 2022 00:16:51 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>, Marc Zyngier <maz@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Oliver Upton <oliver.upton@...ux.dev>,
        Tom Rix <trix@...hat.com>, kvm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
        kvmarm@...ts.cs.columbia.edu, linux-riscv@...ts.infradead.org,
        llvm@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Ricardo Koller <ricarkol@...gle.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Aaron Lewis <aaronlewis@...gle.com>,
        Raghavendra Rao Ananta <rananta@...gle.com>
Subject: [PATCH 12/14] KVM: selftests: Use wildcards to find library source files

Use $(wildcard ...) to find the library source files instead of manually
defining the inputs, which is a maintenance burden and error prone.

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 tools/testing/selftests/kvm/Makefile | 45 ++++------------------------
 1 file changed, 5 insertions(+), 40 deletions(-)

diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index 9cff99a1cb2e..a9930e9197da 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -19,44 +19,6 @@ else
 $(error Unknown architecture '$(ARCH)')
 endif
 
-LIBKVM += lib/assert.c
-LIBKVM += lib/elf.c
-LIBKVM += lib/guest_modes.c
-LIBKVM += lib/io.c
-LIBKVM += lib/kvm_util.c
-LIBKVM += lib/memstress.c
-LIBKVM += lib/rbtree.c
-LIBKVM += lib/sparsebit.c
-LIBKVM += lib/test_util.c
-LIBKVM += lib/ucall_common.c
-LIBKVM += lib/userfaultfd_util.c
-
-LIBKVM_STRING += lib/string_override.c
-
-LIBKVM_x86_64 += lib/x86_64/apic.c
-LIBKVM_x86_64 += lib/x86_64/handlers.S
-LIBKVM_x86_64 += lib/x86_64/hyperv.c
-LIBKVM_x86_64 += lib/x86_64/memstress.c
-LIBKVM_x86_64 += lib/x86_64/processor.c
-LIBKVM_x86_64 += lib/x86_64/svm.c
-LIBKVM_x86_64 += lib/x86_64/ucall.c
-LIBKVM_x86_64 += lib/x86_64/vmx.c
-
-LIBKVM_aarch64 += lib/aarch64/gic.c
-LIBKVM_aarch64 += lib/aarch64/gic_v3.c
-LIBKVM_aarch64 += lib/aarch64/handlers.S
-LIBKVM_aarch64 += lib/aarch64/processor.c
-LIBKVM_aarch64 += lib/aarch64/spinlock.c
-LIBKVM_aarch64 += lib/aarch64/ucall.c
-LIBKVM_aarch64 += lib/aarch64/vgic.c
-
-LIBKVM_s390x += lib/s390x/diag318_test_handler.c
-LIBKVM_s390x += lib/s390x/processor.c
-LIBKVM_s390x += lib/s390x/ucall.c
-
-LIBKVM_riscv += lib/riscv/processor.c
-LIBKVM_riscv += lib/riscv/ucall.c
-
 # Non-compiled test targets
 TEST_PROGS_x86_64 += x86_64/nx_huge_pages_test.sh
 
@@ -213,10 +175,13 @@ pgste-option = $(call try-run, echo 'int main(void) { return 0; }' | \
 LDLIBS += -ldl
 LDFLAGS += -pthread $(no-pie-option) $(pgste-option)
 
-LIBKVM_C := $(filter %.c,$(LIBKVM))
-LIBKVM_S := $(filter %.S,$(LIBKVM))
+LIBKVM_C := $(filter-out lib/string_override.c,$(wildcard lib/*.c))
+LIBKVM_C += $(wildcard lib/$(ARCH_DIR)/*.c)
+LIBKVM_S := $(wildcard lib/*.S)
+LIBKVM_S += $(wildcard lib/$(ARCH_DIR)/*.S)
 LIBKVM_C_OBJ := $(patsubst %.c, $(OUTPUT)/%.o, $(LIBKVM_C))
 LIBKVM_S_OBJ := $(patsubst %.S, $(OUTPUT)/%.o, $(LIBKVM_S))
+LIBKVM_STRING := lib/string_override.c
 LIBKVM_STRING_OBJ := $(patsubst %.c, $(OUTPUT)/%.o, $(LIBKVM_STRING))
 LIBKVM_OBJS = $(LIBKVM_C_OBJ) $(LIBKVM_S_OBJ) $(LIBKVM_STRING_OBJ)
 
-- 
2.39.0.rc1.256.g54fd8350bd-goog