linux-next: build failure after merge of the final tree (powerpc related)

[Michael Ellerman]

On Thu, 2012-06-21 at 17:07 +1000, Michael Ellerman wrote:
> On Thu, 2012-06-21 at 16:24 +1000, Benjamin Herrenschmidt wrote:
> > On Thu, 2012-06-21 at 15:36 +1000, Michael Ellerman wrote:
> > > 
> > > powerpc64-linux-ld: /src/next/net/openvswitch/vport-netdev.c:189:(.text+0x89b990): 
> > >         sibling call optimization to `_restgpr0_28' does not allow automatic multiple TOCs;
> > >         recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make `_restgpr0_28' extern
> > > 
> > Can you show the full build command that triggers the above ?
> 
> Well that would be a few MBs of log, but here's an excerpt:
> 
> make -f scripts/Makefile.build obj=net/openvswitch
>   /opt/cross/gcc-4.6-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc -m64 -Wp,-MD,net/openvswitch/.vport-netdev.o.d  -nostdinc -isystem /opt/cross/gcc-4.6.3-nolibc/powerpc64-linux/lib/gcc/powerpc64-linux/4.6.3/include -I/home/michael/src/kmk/next/arch/powerpc/include -Iarch/powerpc/include/generated -Iinclude  -include /home/michael/src/kmk/next/include/linux/kconfig.h -D__KERNEL__ -Iarch/powerpc -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -fno-delete-null-pointer-checks -Os -msoft-float -pipe -Iarch/powerpc -mminimal-toc -mtraceback=no -mcall-aixdesc -mtune=power7 -mtune=cell -mno-altivec -mno-vsx -mno-spe -mspe=no -funit-at-a-time -fno-dwarf2-cfi-asm -mno-string -mno-sched-epilog -Wa,-maltivec -fno-reorder-blocks -fno-ipa-cp-clone -fno-partial-inlining -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -g -femit-struct-debug-baseonly -pg -fno-inline-functions-called-once -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -DCC_HAVE_ASM_GOTO  -fprofile-arcs -ftest-coverage    -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(vport_netdev)"  -D"KBUILD_MODNAME=KBUILD_STR(openvswitch)" -c -o net/openvswitch/.tmp_vport-netdev.o net/openvswitch/vport-netdev.c
>   if [ "-pg" = "-pg" ]; then set -e ; perl /home/michael/src/kmk/next/scripts/recordmcount.pl "powerpc" "little" "64" "/opt/cross/gcc-4.6-nolibc/powerpc64-linux/bin/powerpc64-linux-objdump" "/opt/cross/gcc-4.6-nolibc/powerpc64-linux/bin/powerpc64-linux-objcopy" "/opt/cross/gcc-4.6-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc -m64 -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -fno-delete-null-pointer-checks -Os -msoft-float -pipe -Iarch/powerpc -mminimal-toc -mtraceback=no -mcall-aixdesc -mtune=power7 -mtune=cell -mno-altivec -mno-vsx -mno-spe -mspe=no -funit-at-a-time -fno-dwarf2-cfi-asm -mno-string -mno-sched-epilog -Wa,-maltivec -fno-reorder-blocks -fno-ipa-cp-clone -fno-partial-inlining -Wframe-larger-than=2048  -fno-stack-protector -Wno-unused-but-set-variable -g  -femit-struct-debug-baseonly -pg  -fno-inline-functions-called-once -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -DCC_HAVE_ASM_GOTO" "/opt/cross/gcc-4.6-nolibc/powerpc64-linux/bin/powerpc64-linux-ld -m elf64ppc" "/opt/cross/gcc-4.6-nolibc/powerpc64-linux/bin/powerpc64-linux-nm --synthetic" "" "" "0" "net/openvswitch/vport-netdev.o"; fi;

Just for the record it's not the FTRACE stuff (-pg):

  /opt/cross/gcc-4.6-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc -m64 -Wp,-MD,net/openvswitch/.vport-netdev.o.d  -nostdinc -isystem /opt/cross/gcc-4.6.3-nolibc/powerpc64-linux/lib/gcc/powerpc64-linux/4.6.3/include -I/home/michael/src/kmk/next/arch/powerpc/include -Iarch/powerpc/include/generated -Iinclude  -include /home/michael/src/kmk/next/include/linux/kconfig.h -D__KERNEL__ -Iarch/powerpc -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -fno-delete-null-pointer-checks -Os -msoft-float -pipe -Iarch/powerpc -mminimal-toc -mtraceback=no -mcall-aixdesc -mtune=power7 -mtune=cell -mno-altivec -mno-vsx -mno-spe -mspe=no -funit-at-a-time -fno-dwarf2-cfi-asm -mno-string -Wa,-maltivec -fno-reorder-blocks -fno-ipa-cp-clone -fno-partial-inlining -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -fomit-frame-pointer -g -femit-struct-debug-baseonly -fno-inline-functions-called-once -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -DCC_HAVE_ASM_GOTO  -fprofile-arcs -ftest-coverage    -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(vport_netdev)"  -D"KBUILD_MODNAME=KBUILD_STR(openvswitch)" -c -o net/openvswitch/.tmp_vport-netdev.o net/openvswitch/vport-netdev.c


And same error.

cheers