From: Jouni Hogander jouni.hogander@unikie.com
[ Upstream commit a4a3893114a41e365274d5fab5d9ff5acc235ff0 ]
__sanitizer_cov_trace_pc() is not linked in and causing link failure if KCOV_INSTRUMENT is enabled. Fix this by disabling instrumentation for compressed image.
Signed-off-by: Jouni Hogander jouni.hogander@unikie.com Signed-off-by: Paul Burton paulburton@kernel.org Cc: Lukas Bulwahn lukas.bulwahn@gmail.com Cc: linux-mips@vger.kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.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 172801e..d859f07 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