From a03fc8c375511b6ab43184ab191af3218a919646 Mon Sep 17 00:00:00 2001
From: Richard Weinberger <richard@nod.at>
Date: Fri, 22 Jul 2011 20:55:34 +0200
Subject: 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>
---
 arch/um/sys-i386/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'arch')

diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile
index 15587ed9a36..87b659dadf3 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
 
-- 
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