Commit c0a18111e571138747a98af18b3a2124df56a0d1
1 parent
db176c6ed8
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>
Showing 1 changed file with 1 additions and 4 deletions Side-by-side Diff
arch/um/Makefile
| ... | ... | @@ -77,10 +77,7 @@ |
| 77 | 77 | KERNEL_DEFINES = $(strip -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \ |
| 78 | 78 | -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES)) |
| 79 | 79 | KBUILD_CFLAGS += $(KERNEL_DEFINES) |
| 80 | -# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use | |
| 81 | -# a lot more stack due to the lack of sharing of stacklots: | |
| 82 | -KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \ | |
| 83 | - echo $(call cc-option,-fno-unit-at-a-time); fi ;) | |
| 80 | +KBUILD_CFLAGS += $(call cc-option,-fno-unit-at-a-time,) | |
| 84 | 81 | |
| 85 | 82 | PHONY += linux |
| 86 | 83 |