The patch titled
gcov: architecture specific compile flag adjustments
has been added to the -mm tree. Its filename is
gcov-architecture-specific-compile-flag-adjustments.patch
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------------------------------------------------------
Subject: gcov: architecture specific compile flag adjustments
From: Peter Oberparleiter <peter.oberparleiter@xxxxxxxxxx>
Exclude code from profiling which is not linked to the main kernel or
which is running in a context not compatible with the assumptions made by
gcc's profiling code.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@xxxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/compressed/Makefile | 1 +
arch/powerpc/kernel/vdso32/Makefile | 1 +
arch/powerpc/kernel/vdso64/Makefile | 1 +
arch/ppc/boot/Makefile | 1 +
arch/ppc/boot/common/Makefile | 1 +
arch/ppc/boot/simple/Makefile | 1 +
arch/x86/boot/Makefile | 1 +
arch/x86/boot/compressed/Makefile | 1 +
arch/x86/kernel/acpi/realmode/Makefile | 1 +
9 files changed, 9 insertions(+)
diff -puN arch/arm/boot/compressed/Makefile~gcov-architecture-specific-compile-flag-adjustments arch/arm/boot/compressed/Makefile
--- a/arch/arm/boot/compressed/Makefile~gcov-architecture-specific-compile-flag-adjustments
+++ a/arch/arm/boot/compressed/Makefile
@@ -7,6 +7,7 @@
HEAD = head.o
OBJS = misc.o
FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
+GCOV := n
#
# Architecture dependencies
diff -puN arch/powerpc/kernel/vdso32/Makefile~gcov-architecture-specific-compile-flag-adjustments arch/powerpc/kernel/vdso32/Makefile
--- a/arch/powerpc/kernel/vdso32/Makefile~gcov-architecture-specific-compile-flag-adjustments
+++ a/arch/powerpc/kernel/vdso32/Makefile
@@ -17,6 +17,7 @@ EXTRA_CFLAGS := -shared -fno-common -fno
EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
$(call ld-option, -Wl$(comma)--hash-style=sysv)
EXTRA_AFLAGS := -D__VDSO32__ -s
+GCOV := n
obj-y += vdso32_wrapper.o
extra-y += vdso32.lds
diff -puN arch/powerpc/kernel/vdso64/Makefile~gcov-architecture-specific-compile-flag-adjustments arch/powerpc/kernel/vdso64/Makefile
--- a/arch/powerpc/kernel/vdso64/Makefile~gcov-architecture-specific-compile-flag-adjustments
+++ a/arch/powerpc/kernel/vdso64/Makefile
@@ -11,6 +11,7 @@ EXTRA_CFLAGS := -shared -fno-common -fno
EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
$(call ld-option, -Wl$(comma)--hash-style=sysv)
EXTRA_AFLAGS := -D__VDSO64__ -s
+GCOV := n
obj-y += vdso64_wrapper.o
extra-y += vdso64.lds
diff -puN arch/ppc/boot/Makefile~gcov-architecture-specific-compile-flag-adjustments arch/ppc/boot/Makefile
--- a/arch/ppc/boot/Makefile~gcov-architecture-specific-compile-flag-adjustments
+++ a/arch/ppc/boot/Makefile
@@ -16,6 +16,7 @@
# KBUILD_CFLAGS used when building rest of boot (takes effect recursively)
KBUILD_CFLAGS += -fno-builtin -D__BOOTER__ -Iarch/$(ARCH)/boot/include
HOSTCFLAGS += -Iarch/$(ARCH)/boot/include
+GCOV := n
BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd
diff -puN arch/ppc/boot/common/Makefile~gcov-architecture-specific-compile-flag-adjustments arch/ppc/boot/common/Makefile
--- a/arch/ppc/boot/common/Makefile~gcov-architecture-specific-compile-flag-adjustments
+++ a/arch/ppc/boot/common/Makefile
@@ -5,6 +5,7 @@
# Tom Rini January 2001
#
+GCOV := n
lib-y := string.o util.o misc-common.o \
serial_stub.o bootinfo.o
lib-$(CONFIG_SERIAL_8250_CONSOLE) += ns16550.o
diff -puN arch/ppc/boot/simple/Makefile~gcov-architecture-specific-compile-flag-adjustments arch/ppc/boot/simple/Makefile
--- a/arch/ppc/boot/simple/Makefile~gcov-architecture-specific-compile-flag-adjustments
+++ a/arch/ppc/boot/simple/Makefile
@@ -21,6 +21,7 @@
# XXX_memory.o file for this to work, as well as editing the
# misc-$(CONFIG_MACHINE) variable.
+GCOV := n
boot := arch/ppc/boot
common := $(boot)/common
utils := $(boot)/utils
diff -puN arch/x86/boot/Makefile~gcov-architecture-specific-compile-flag-adjustments arch/x86/boot/Makefile
--- a/arch/x86/boot/Makefile~gcov-architecture-specific-compile-flag-adjustments
+++ a/arch/x86/boot/Makefile
@@ -71,6 +71,7 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os
$(call cc-option, -mpreferred-stack-boundary=2)
KBUILD_CFLAGS += $(call cc-option,-m32)
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
+GCOV := n
$(obj)/zImage: IMAGE_OFFSET := 0x1000
$(obj)/zImage: asflags-y := $(SVGA_MODE) $(RAMDISK)
diff -puN arch/x86/boot/compressed/Makefile~gcov-architecture-specific-compile-flag-adjustments arch/x86/boot/compressed/Makefile
--- a/arch/x86/boot/compressed/Makefile~gcov-architecture-specific-compile-flag-adjustments
+++ a/arch/x86/boot/compressed/Makefile
@@ -12,6 +12,7 @@ cflags-$(CONFIG_X86_64) := -mcmodel=smal
KBUILD_CFLAGS += $(cflags-y)
KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
+GCOV := n
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
diff -puN arch/x86/kernel/acpi/realmode/Makefile~gcov-architecture-specific-compile-flag-adjustments arch/x86/kernel/acpi/realmode/Makefile
--- a/arch/x86/kernel/acpi/realmode/Makefile~gcov-architecture-specific-compile-flag-adjustments
+++ a/arch/x86/kernel/acpi/realmode/Makefile
@@ -42,6 +42,7 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os
$(call cc-option, -mpreferred-stack-boundary=2)
KBUILD_CFLAGS += $(call cc-option, -m32)
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
+GCOV := n
WAKEUP_OBJS = $(addprefix $(obj)/,$(wakeup-y))
_
Patches currently in -mm which might be from peter.oberparleiter@xxxxxxxxxx are
origin.patch
linux-next.patch
kernel-call-constructors.patch
kernel-introduce-gcc_version_lower-macro.patch
seq_file-add-function-to-write-binary-data.patch
gcov-add-gcov-profiling-infrastructure.patch
gcov-create-links-to-gcda-files-in-build-directory.patch
gcov-architecture-specific-compile-flag-adjustments.patch
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