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powerpc/kvm: Fix build with older toolchains

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Fix KVM build for older toolchains (found with .powerpc64-unknown-linux-gnu-gcc
(crosstool-NG-1.8.1) 4.3.2):

  AS      arch/powerpc/kvm/book3s_hv_rmhandlers.o
arch/powerpc/kvm/book3s_hv_rmhandlers.S: Assembler messages:
arch/powerpc/kvm/book3s_hv_rmhandlers.S:1388: Error: Unrecognized opcode: `popcntw'
make[1]: *** [arch/powerpc/kvm/book3s_hv_rmhandlers.o] Error 1
make: *** [_module_arch/powerpc/kvm] Error 2

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Nishanth Aravamudan 2011-11-07 13:36:56 +00:00 committed by Benjamin Herrenschmidt
parent 1ea6b8f489
commit ad61d64e26
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/kvm/book3s_hv_rmhandlers.S
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@ -1263,7 +1263,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_206)
addi r6,r5,VCORE_NAPPING_THREADS
31: lwarx r4,0,r6
or r4,r4,r0
popcntw r7,r4
PPC_POPCNTW(r7,r4)
cmpw r7,r8
bge 2f
stwcx. r4,0,r6