mm/hugetlb.c: fix reservation race when freeing surplus pages

[linux-2.6-microblaze.git] / Makefile

diff --git a/Makefile b/Makefile
index addb235..5f1a847 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 4
-PATCHLEVEL = 8
+PATCHLEVEL = 10
 SUBLEVEL = 0
-EXTRAVERSION =
-NAME = Psychotic Stoned Sheep
+EXTRAVERSION = -rc3
+NAME = Roaring Lionus
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
@@ -370,7 +370,7 @@ LDFLAGS_MODULE  =
 CFLAGS_KERNEL  =
 AFLAGS_KERNEL  =
 LDFLAGS_vmlinux =
-CFLAGS_GCOV    = -fprofile-arcs -ftest-coverage -fno-tree-loop-im
+CFLAGS_GCOV    = -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized
 CFLAGS_KCOV    := $(call cc-option,-fsanitize-coverage=trace-pc,)
 
 
@@ -399,11 +399,12 @@ KBUILD_CFLAGS   := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
                   -fno-strict-aliasing -fno-common \
                   -Werror-implicit-function-declaration \
                   -Wno-format-security \
-                  -std=gnu89
+                  -std=gnu89 $(call cc-option,-fno-PIE)
+
 
 KBUILD_AFLAGS_KERNEL :=
 KBUILD_CFLAGS_KERNEL :=
-KBUILD_AFLAGS   := -D__ASSEMBLY__
+KBUILD_AFLAGS   := -D__ASSEMBLY__ $(call cc-option,-fno-PIE)
 KBUILD_AFLAGS_MODULE  := -DMODULE
 KBUILD_CFLAGS_MODULE  := -DMODULE
 KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds
@@ -606,6 +607,13 @@ else
 include/config/auto.conf: ;
 endif # $(dot-config)
 
+# For the kernel to actually contain only the needed exported symbols,
+# we have to build modules as well to determine what those symbols are.
+# (this can be evaluated only once include/config/auto.conf has been included)
+ifdef CONFIG_TRIM_UNUSED_KSYMS
+  KBUILD_MODULES := 1
+endif
+
 # The all: target is the default when no target is given on the
 # command line.
 # This allow a user to issue only 'make' to build a kernel including modules
@@ -620,18 +628,26 @@ ARCH_CFLAGS :=
 include arch/$(SRCARCH)/Makefile
 
 KBUILD_CFLAGS  += $(call cc-option,-fno-delete-null-pointer-checks,)
-KBUILD_CFLAGS  += $(call cc-disable-warning,maybe-uninitialized,)
+KBUILD_CFLAGS  += $(call cc-disable-warning,frame-address,)
+
+ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
+KBUILD_CFLAGS  += $(call cc-option,-ffunction-sections,)
+KBUILD_CFLAGS  += $(call cc-option,-fdata-sections,)
+endif
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
-KBUILD_CFLAGS  += -Os
+KBUILD_CFLAGS  += -Os $(call cc-disable-warning,maybe-uninitialized,)
 else
 ifdef CONFIG_PROFILE_ALL_BRANCHES
-KBUILD_CFLAGS  += -O2
+KBUILD_CFLAGS  += -O2 $(call cc-disable-warning,maybe-uninitialized,)
 else
 KBUILD_CFLAGS   += -O2
 endif
 endif
 
+KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \
+                       $(call cc-disable-warning,maybe-uninitialized,))
+
 # Tell gcc to never replace conditional load with a non-conditional one
 KBUILD_CFLAGS  += $(call cc-option,--param=allow-store-data-races=0)
 
@@ -802,6 +818,10 @@ LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\
 KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
 LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)
 
+ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
+LDFLAGS_vmlinux        += $(call ld-option, --gc-sections,)
+endif
+
 ifeq ($(CONFIG_STRIP_ASM_SYMS),y)
 LDFLAGS_vmlinux        += $(call ld-option, -X,)
 endif
@@ -926,24 +946,24 @@ vmlinux_prereq: $(vmlinux-deps) FORCE
 ifdef CONFIG_HEADERS_CHECK
        $(Q)$(MAKE) -f $(srctree)/Makefile headers_check
 endif
-ifdef CONFIG_BUILD_DOCSRC
-       $(Q)$(MAKE) $(build)=Documentation
-endif
 ifdef CONFIG_GDB_SCRIPTS
        $(Q)ln -fsn `cd $(srctree) && /bin/pwd`/scripts/gdb/vmlinux-gdb.py
 endif
 ifdef CONFIG_TRIM_UNUSED_KSYMS
        $(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh \
-         "$(MAKE) KBUILD_MODULES=1 -f $(srctree)/Makefile vmlinux_prereq"
+         "$(MAKE) -f $(srctree)/Makefile vmlinux"
 endif
 
 # standalone target for easier testing
 include/generated/autoksyms.h: FORCE
        $(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh true
 
-# Final link of vmlinux
-      cmd_link-vmlinux = $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux)
-quiet_cmd_link-vmlinux = LINK    $@
+ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
+
+# Final link of vmlinux with optional arch pass after final link
+    cmd_link-vmlinux =                                                 \
+       $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ;       \
+       $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
 
 vmlinux: scripts/link-vmlinux.sh vmlinux_prereq $(vmlinux-deps) FORCE
        +$(call if_changed,link-vmlinux)
@@ -1006,8 +1026,6 @@ prepare2: prepare3 prepare-compiler-check outputmakefile asm-generic
 prepare1: prepare2 $(version_h) include/generated/utsrelease.h \
                    include/config/auto.conf
        $(cmd_crmodverdir)
-       $(Q)test -e include/generated/autoksyms.h || \
-           touch   include/generated/autoksyms.h
 
 archprepare: archheaders archscripts prepare1 scripts_basic
 
@@ -1270,6 +1288,7 @@ $(clean-dirs):
 
 vmlinuxclean:
        $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean
+       $(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean)
 
 clean: archclean vmlinuxclean