Messages in this thread Patch in this message | | | From | Denis Efremov <> | Subject | [PATCH] MIPS: disable kcov instrumentation in compressed dir | Date | Tue, 10 Dec 2019 20:50:02 +0300 |
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This patch fixes the compilation with CONFIG_KCOV enabled. Otherwise linking fails with: ld: arch/mips/boot/compressed/piggy.o: in function `main': dummy.c:(.text.startup+0x8): undefined reference to `__sanitizer_cov_...' make[1]: *** [arch/mips/boot/compressed/Makefile:101: vmlinuz] Error 1
Signed-off-by: Denis Efremov <efremov@linux.com> --- arch/mips/boot/compressed/Makefile | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 172801ed35b8..d859f079b771 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -29,6 +29,9 @@ KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS) +# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. +KCOV_INSTRUMENT := n + # decompressor objects (linked with vmlinuz) vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o -- 2.20.1
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