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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-11 10:46:50 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-11 10:46:50 +0200 |
| commit | 0c81b2a1448bc6a2a9b2d6469fb0669fb4b25e5b (patch) | |
| tree | 6f82579cae6d6e39fa9f837a3c349ded51e19d14 /arch/um | |
| parent | 0729fbf3bc70870370b4f43d652f05a468dc68b8 (diff) | |
| parent | 70ff05554f91a1edda1f11684da1dbde09e2feea (diff) | |
| download | talos-op-linux-0c81b2a1448bc6a2a9b2d6469fb0669fb4b25e5b.tar.gz talos-op-linux-0c81b2a1448bc6a2a9b2d6469fb0669fb4b25e5b.zip | |
Merge branch 'linus' into core/rcu
Conflicts:
include/linux/rculist.h
kernel/rcupreempt.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/Makefile | 1 | ||||
| -rw-r--r-- | arch/um/Makefile-i386 | 7 | ||||
| -rw-r--r-- | arch/um/Makefile-x86_64 | 3 |
3 files changed, 10 insertions, 1 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile index dbeab15e7bb7..ca40397017b9 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -77,7 +77,6 @@ include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS) KERNEL_DEFINES = $(strip -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \ -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES)) KBUILD_CFLAGS += $(KERNEL_DEFINES) -KBUILD_CFLAGS += $(call cc-option,-fno-unit-at-a-time,) PHONY += linux diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386 index 561e373bd850..302cbe504543 100644 --- a/arch/um/Makefile-i386 +++ b/arch/um/Makefile-i386 @@ -32,4 +32,11 @@ cflags-y += $(call cc-option,-mpreferred-stack-boundary=2) # an unresolved reference. cflags-y += -ffreestanding +# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use +# a lot more stack due to the lack of sharing of stacklots. Also, gcc +# 4.3.0 needs -funit-at-a-time for extern inline functions. +KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \ + echo $(call cc-option,-fno-unit-at-a-time); \ + else echo $(call cc-option,-funit-at-a-time); fi ;) + KBUILD_CFLAGS += $(cflags-y) diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64 index 8ed362f93582..a9cd7e77a7ab 100644 --- a/arch/um/Makefile-x86_64 +++ b/arch/um/Makefile-x86_64 @@ -21,3 +21,6 @@ HEADER_ARCH := x86 LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64 LINK-y += -m64 + +# Do unit-at-a-time unconditionally on x86_64, following the host +KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) |
