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um: Make rwsem.S depend on CONFIG_RWSEM_XCHGADD_ALGORITHM

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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>
This commit is contained in:
Richard Weinberger 2011-07-22 20:55:34 +02:00 committed by Ingo Molnar
parent a750036f35
commit a03fc8c375
1 changed files with 2 additions and 1 deletions
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3
arch/um/sys-i386/Makefile
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@ -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