MIPS: Prevent link failure with kcov instrumentation

__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 <[email protected]> Signed-off-by: Paul Burton <[email protected]> Cc: Lukas Bulwahn <[email protected]> Cc: [email protected]
kmaincent · Dec 18, 2019 · a4a3893 · a4a3893
1 parent a7effde
commit a4a3893
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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