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-rw-r--r--arch/x86_64/Makefile4
-rw-r--r--arch/x86_64/kernel/vmlinux.lds.S2
-rw-r--r--include/asm-x86_64/dwarf2.h2
3 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 51d83288d62b..2d3e9be229c0 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -38,8 +38,10 @@ CFLAGS += -pipe
38# actually it makes the kernel smaller too. 38# actually it makes the kernel smaller too.
39CFLAGS += -fno-reorder-blocks 39CFLAGS += -fno-reorder-blocks
40CFLAGS += -Wno-sign-compare 40CFLAGS += -Wno-sign-compare
41ifneq ($(CONFIG_DEBUG_INFO),y) 41ifneq ($(CONFIG_UNWIND_INFO),y)
42CFLAGS += -fno-asynchronous-unwind-tables 42CFLAGS += -fno-asynchronous-unwind-tables
43endif
44ifneq ($(CONFIG_DEBUG_INFO),y)
43# -fweb shrinks the kernel a bit, but the difference is very small 45# -fweb shrinks the kernel a bit, but the difference is very small
44# it also messes up debugging, so don't use it for now. 46# it also messes up debugging, so don't use it for now.
45#CFLAGS += $(call cc-option,-fweb) 47#CFLAGS += $(call cc-option,-fweb)
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S
index 58b19215b4b3..4cbbe7c48839 100644
--- a/arch/x86_64/kernel/vmlinux.lds.S
+++ b/arch/x86_64/kernel/vmlinux.lds.S
@@ -189,7 +189,7 @@ SECTIONS
189 /* Sections to be discarded */ 189 /* Sections to be discarded */
190 /DISCARD/ : { 190 /DISCARD/ : {
191 *(.exitcall.exit) 191 *(.exitcall.exit)
192#ifndef CONFIG_DEBUG_INFO 192#ifndef CONFIG_UNWIND_INFO
193 *(.eh_frame) 193 *(.eh_frame)
194#endif 194#endif
195 } 195 }
diff --git a/include/asm-x86_64/dwarf2.h b/include/asm-x86_64/dwarf2.h
index fe062cba0a89..07654bd155bf 100644
--- a/include/asm-x86_64/dwarf2.h
+++ b/include/asm-x86_64/dwarf2.h
@@ -14,7 +14,7 @@
14 away for older version. 14 away for older version.
15 */ 15 */
16 16
17#ifdef CONFIG_DEBUG_INFO 17#ifdef CONFIG_UNWIND_INFO
18 18
19#define CFI_STARTPROC .cfi_startproc 19#define CFI_STARTPROC .cfi_startproc
20#define CFI_ENDPROC .cfi_endproc 20#define CFI_ENDPROC .cfi_endproc