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authorLinus Torvalds <torvalds@linux-foundation.org>2008-05-06 17:09:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-06 17:09:27 -0700
commitc0a18111e571138747a98af18b3a2124df56a0d1 (patch)
tree3873e4ccc20520da1f747f10658fa2aaf3c9144b /arch/um/Makefile
parentdb176c6ed8974fae94328ad5ac9e70b094ff22fd (diff)
downloadblackbird-op-linux-c0a18111e571138747a98af18b3a2124df56a0d1.tar.gz
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Revert "uml: fix gcc problem"
This reverts commit 22eecde2f9034764a3fd095eecfa3adfb8ec9a98. Uli reports that it breaks UML on x86-64 with the Fedora 8 gcc (gcc 4.1.2), causing a crash on startup. See http://marc.info/?l=linux-kernel&m=121011722806093&w=2 for a trace. Reported-by: Ulrich Drepper <drepper@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/Makefile')
-rw-r--r--arch/um/Makefile5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 01b97c19a8ba..dbeab15e7bb7 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -77,10 +77,7 @@ 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)
-# 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:
-KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
- echo $(call cc-option,-fno-unit-at-a-time); fi ;)
+KBUILD_CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
PHONY += linux
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