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authorRichard Weinberger <richard@nod.at>2011-07-22 20:55:34 +0200
committerIngo Molnar <mingo@elte.hu>2011-07-22 23:06:30 +0200
commita03fc8c375511b6ab43184ab191af3218a919646 (patch)
tree710e071746352654a7fefa74b987c9b194dbcc24
parenta750036f35cda160ef77408ec92c3dc41f8feebb (diff)
downloadlinux-a03fc8c375511b6ab43184ab191af3218a919646.tar.bz2
um: Make rwsem.S depend on CONFIG_RWSEM_XCHGADD_ALGORITHM
rwsem.S can only be used with CONFIG_RWSEM_XCHGADD_ALGORITHM. This unbreaks the UML build on i386. Reported-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Richard Weinberger <richard@nod.at> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: user-mode-linux-devel@lists.sourceforge.net Cc: JBeulich@novell.com Link: http://lkml.kernel.org/r/201107222055.35341.richard@nod.at Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/um/sys-i386/Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile
index 15587ed9a361..87b659dadf3f 100644
--- a/arch/um/sys-i386/Makefile
+++ b/arch/um/sys-i386/Makefile
@@ -8,7 +8,8 @@ obj-y = bug.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
obj-$(CONFIG_BINFMT_ELF) += elfcore.o
-subarch-obj-y = lib/rwsem.o lib/string_32.o
+subarch-obj-y = lib/string_32.o
+subarch-obj-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += lib/rwsem.o
subarch-obj-$(CONFIG_HIGHMEM) += mm/highmem_32.o
subarch-obj-$(CONFIG_MODULES) += kernel/module.o