* [PATCH] x86_64: fix CONFIG_REORDER
@ 2006-04-03 18:55 Sam Ravnborg
2006-04-03 19:23 ` Andi Kleen
0 siblings, 1 reply; 2+ messages in thread
From: Sam Ravnborg @ 2006-04-03 18:55 UTC (permalink / raw)
To: Andi Kleen, LKML
Fix CONFIG_REORDER.
Value of cflags-y was assined to CFLAGS before cflags-y was
assinged the value used for CONFIG_REORDER.
Use cflags-y for all CFLAGS options in the Makefile to avoid this
happening again.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 585fd4a..7bc501e 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -24,37 +24,37 @@
LDFLAGS := -m elf_x86_64
OBJCOPYFLAGS := -O binary -R .note -R .comment -S
LDFLAGS_vmlinux :=
-
CHECKFLAGS += -D__x86_64__ -m64
+cflags-y :=
cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
-CFLAGS += $(cflags-y)
-CFLAGS += -m64
-CFLAGS += -mno-red-zone
-CFLAGS += -mcmodel=kernel
-CFLAGS += -pipe
+cflags-y += -m64
+cflags-y += -mno-red-zone
+cflags-y += -mcmodel=kernel
+cflags-y += -pipe
cflags-$(CONFIG_REORDER) += -ffunction-sections
# this makes reading assembly source easier, but produces worse code
# actually it makes the kernel smaller too.
-CFLAGS += -fno-reorder-blocks
-CFLAGS += -Wno-sign-compare
+cflags-y += -fno-reorder-blocks
+cflags-y += -Wno-sign-compare
ifneq ($(CONFIG_UNWIND_INFO),y)
-CFLAGS += -fno-asynchronous-unwind-tables
+cflags-y += -fno-asynchronous-unwind-tables
endif
ifneq ($(CONFIG_DEBUG_INFO),y)
# -fweb shrinks the kernel a bit, but the difference is very small
# it also messes up debugging, so don't use it for now.
-#CFLAGS += $(call cc-option,-fweb)
+#cflags-y += $(call cc-option,-fweb)
endif
# -funit-at-a-time shrinks the kernel .text considerably
# unfortunately it makes reading oopses harder.
-CFLAGS += $(call cc-option,-funit-at-a-time)
+cflags-y += $(call cc-option,-funit-at-a-time)
# prevent gcc from generating any FP code by mistake
-CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
+cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
+CFLAGS += $(cflags-y)
AFLAGS += -m64
head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] x86_64: fix CONFIG_REORDER
2006-04-03 18:55 [PATCH] x86_64: fix CONFIG_REORDER Sam Ravnborg
@ 2006-04-03 19:23 ` Andi Kleen
0 siblings, 0 replies; 2+ messages in thread
From: Andi Kleen @ 2006-04-03 19:23 UTC (permalink / raw)
To: Sam Ravnborg; +Cc: LKML
On Monday 03 April 2006 20:55, Sam Ravnborg wrote:
> Fix CONFIG_REORDER.
> Value of cflags-y was assined to CFLAGS before cflags-y was
> assinged the value used for CONFIG_REORDER.
> Use cflags-y for all CFLAGS options in the Makefile to avoid this
> happening again.
Applied. Thanks.
-Andi
^ permalink raw reply [flat|nested] 2+ messages in thread
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2006-04-03 18:55 [PATCH] x86_64: fix CONFIG_REORDER Sam Ravnborg
2006-04-03 19:23 ` Andi Kleen
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