| Submitter | Nishanth Aravamudan |
|---|---|
| Date | Nov. 7, 2011, 11:36 p.m. |
| Message ID | <20111107233656.GB20208@us.ibm.com> |
| Download | mbox | patch |
| Permalink | /patch/124218/ |
| State | Accepted, archived |
| Headers | show |
Comments
On 11/08/2011 12:36 AM, Nishanth Aravamudan wrote: > 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> Thanks, applied to kvm-ppc-next. Alex > diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S > index 0607909..a053db1 100644 > --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S > +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S > @@ -1385,7 +1385,7 @@ 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 >
Patch
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 0607909..a053db1 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -1385,7 +1385,7 @@ 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
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>