x86, asm: Move cmpxchg emulation code to arch/x86/lib

Move cmpxchg emulation code from arch/x86/kernel/cpu (which is
otherwise CPU identification) to arch/x86/lib, where other emulation
code lives already.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
LKML-Reference: <AANLkTikAmaDPji-TVDarmG1yD=fwbffcsmEU=YEuP+8r@mail.gmail.com>

3 files changed, 2 insertions, 1 deletions

diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 3a785da34b6..c47c43914ba 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -16,7 +16,7 @@ obj-y			:= intel_cacheinfo.o addon_cpuid_features.o
 obj-y                   += proc.o capflags.o powerflags.o common.o
 obj-y                   += vmware.o hypervisor.o sched.o mshyperv.o
 
-obj-$(CONFIG_X86_32)    += bugs.o cmpxchg.o
+obj-$(CONFIG_X86_32)    += bugs.o
 obj-$(CONFIG_X86_64)    += bugs_64.o
 
 obj-$(CONFIG_CPU_SUP_INTEL)             += intel.o
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index f871e04b696..e10cf070ede 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -30,6 +30,7 @@ ifeq ($(CONFIG_X86_32),y)
         lib-y += checksum_32.o
         lib-y += strstr_32.o
         lib-y += semaphore_32.o string_32.o
+        lib-y += cmpxchg.o
 ifneq ($(CONFIG_X86_CMPXCHG64),y)
         lib-y += cmpxchg8b_emu.o atomic64_386_32.o
 endif
diff --git a/arch/x86/kernel/cpu/cmpxchg.c b/arch/x86/lib/cmpxchg.c
index 2056ccf572c..2056ccf572c 100644
--- a/arch/x86/kernel/cpu/cmpxchg.c
+++ b/arch/x86/lib/cmpxchg.c