hc
2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf
kernel/arch/x86/purgatory/Makefile
....@@ -14,6 +14,11 @@
1414
1515 CFLAGS_sha256.o := -D__DISABLE_EXPORTS
1616
17
+# When profile-guided optimization is enabled, llvm emits two different
18
+# overlapping text sections, which is not supported by kexec. Remove profile
19
+# optimization flags.
20
+KBUILD_CFLAGS := $(filter-out -fprofile-sample-use=% -fprofile-use=%,$(KBUILD_CFLAGS))
21
+
1722 # When linking purgatory.ro with -r unresolved symbols are not checked,
1823 # also link a purgatory.chk binary without -r to check for unresolved symbols.
1924 PURGATORY_LDFLAGS := -e purgatory_start -nostdlib -z nodefaultlib
....@@ -64,8 +69,7 @@
6469 CFLAGS_REMOVE_string.o += $(PURGATORY_CFLAGS_REMOVE)
6570 CFLAGS_string.o += $(PURGATORY_CFLAGS)
6671
67
-AFLAGS_REMOVE_setup-x86_$(BITS).o += -Wa,-gdwarf-2
68
-AFLAGS_REMOVE_entry64.o += -Wa,-gdwarf-2
72
+asflags-remove-y += -g -Wa,-gdwarf-2
6973
7074 $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
7175 $(call if_changed,ld)