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kselftests-bpf: update for kernel 6.6

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Enable building multiple test programs and related kernel modules, with
initial support for the bpf_testmod.ko module required since kernel 6.4.
Explicitly disable LTO and clean up makefile variables and formatting.

Fix a musl-related build failure by adding a kernel 6.6 patch:

     360-selftests-bpf-portability-of-unprivileged-tests.patch

Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
This commit is contained in:
Tony Ambardar
2024-05-05 16:11:02 -07:00
committed by Hauke Mehrtens
parent 0b0e3e22f8
commit 708e6b840e
2 changed files with 46 additions and 10 deletions
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30
package/devel/kselftests-bpf/Makefile
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@@ -13,7 +13,7 @@ PKG_VERSION:=$(LINUX_VERSION)
PKG_RELEASE:=1
PKG_MAINTAINER:=Tony Ambardar <itugrok@yahoo.com>
PKG_BUILD_FLAGS:=gc-sections lto
PKG_BUILD_FLAGS:=no-lto
PKG_BUILD_PARALLEL:=1
PKG_FLAGS:=nonshared
@@ -23,8 +23,9 @@ include $(INCLUDE_DIR)/nls.mk
define Package/kselftests-bpf
SECTION:=devel
CATEGORY:=Development
DEPENDS:= +libelf +zlib +libpthread +librt @!IN_SDK \
@KERNEL_DEBUG_FS @KERNEL_DEBUG_INFO_BTF @KERNEL_BPF_EVENTS
DEPENDS:= \
+libelf +zlib +libpthread +librt @!IN_SDK \
@KERNEL_DEBUG_FS @KERNEL_DEBUG_INFO_BTF @KERNEL_BPF_EVENTS
TITLE:=Linux Kernel Selftests (BPF)
URL:=http://www.kernel.org
endef
@@ -33,31 +34,40 @@ define Package/kselftests-bpf/description
kselftests-bpf is the Linux kernel BPF test suite
endef
TEST_TARGET = test_verifier
EXE_TARGETS = test_verifier
MOD_TARGETS = $(if $(call kernel_patchver_ge,6.4),bpf_testmod.ko)
MAKE_PATH:=tools/testing/selftests/bpf
MAKE_VARS = \
ARCH="$(LINUX_KARCH)" \
CROSS_COMPILE="$(TARGET_CROSS)" \
SAN_CFLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS)" \
EXTRA_CFLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS)" \
LDLIBS="$(TARGET_LDFLAGS)" \
TOOLCHAIN_INCLUDE="$(TOOLCHAIN_INC_DIRS)" \
VMLINUX_BTF="$(LINUX_DIR)/vmlinux"
KBUILD_OUTPUT="$(LINUX_DIR)"
MAKE_FLAGS = \
$(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
O=$(PKG_BUILD_DIR)
OUTPUT=$(PKG_BUILD_DIR)
define Build/Compile
+$(MAKE_VARS) \
$(MAKE) $(PKG_JOBS) -C $(LINUX_DIR)/$(MAKE_PATH) \
$(MAKE_FLAGS) $(TEST_TARGET) ;
$(MAKE_FLAGS) $(EXE_TARGETS) $(MOD_TARGETS) ;
endef
define Package/kselftests-bpf/install
$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/$(TEST_TARGET) $(1)/usr/bin/
$(INSTALL_DIR) $(1)/usr/libexec/$(PKG_NAME)
$(foreach tgt,$(MOD_TARGETS), \
$(INSTALL_DATA) \
$(PKG_BUILD_DIR)/$(tgt) $(1)/usr/libexec/$(PKG_NAME); \
)
$(foreach tgt,$(EXE_TARGETS), \
$(INSTALL_BIN) \
$(PKG_BUILD_DIR)/$(tgt) $(1)/usr/libexec/$(PKG_NAME); \
)
endef
$(eval $(call BuildPackage,kselftests-bpf))