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46480ef35e471888e533d31e72523f6e0592baf8
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commit 46480ef35e471888e533d31e72523f6e0592baf8
Author: Daniel Axtens <dja@axtens.net>
Date:   Mon Jul 4 17:09:42 2016 +1000

    powerpc/sparse: Make ppc_md.{halt, restart} __noreturn
    
    PowerNV marks it's halt and restart calls as __noreturn. However,
    ppc_md does not have this annotation. Add the annotation to ppc_md,
    and then to every halt/restart function that is missing it.
    
    Additionally, I have verified that all of these functions do not
    return. Occasionally I have added a spin loop to be sure.
    
    Signed-off-by: Daniel Axtens <dja@axtens.net>
    Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 46480ef35e471888e533d31e72523f6e0592baf8
# < make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/mpe_44x_currituck_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc-linux/bin/powerpc-linux-  44x/currituck_defconfig
# make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/mpe_44x_currituck_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc-linux/bin/powerpc-linux-  
make[1]: Entering directory '/home/kisskb/slave/build/mpe_44x_currituck_defconfig_powerpc-5.3'
  GEN     ./Makefile
scripts/kconfig/conf  --silentoldconfig Kconfig
  CHK     include/config/kernel.release
  GEN     ./Makefile
  WRAP    arch/powerpc/include/generated/asm/clkdev.h
  WRAP    arch/powerpc/include/generated/asm/div64.h
  WRAP    arch/powerpc/include/generated/asm/irq_regs.h
  WRAP    arch/powerpc/include/generated/asm/irq_work.h
  WRAP    arch/powerpc/include/generated/asm/local64.h
  WRAP    arch/powerpc/include/generated/asm/mcs_spinlock.h
  WRAP    arch/powerpc/include/generated/asm/preempt.h
  WRAP    arch/powerpc/include/generated/asm/rwsem.h
  WRAP    arch/powerpc/include/generated/asm/vtime.h
  CHK     include/generated/uapi/linux/version.h
  UPD     include/generated/uapi/linux/version.h
  UPD     include/config/kernel.release
  Using /home/kisskb/slave/src as source for kernel
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  HOSTCC  scripts/dtc/dtc.o
  HOSTCC  scripts/kallsyms
  CC      scripts/mod/empty.o
  HOSTCC  scripts/mod/mk_elfconfig
  HOSTCC  scripts/dtc/flattree.o
  HOSTCC  scripts/dtc/fstree.o
  CC      scripts/mod/devicetable-offsets.s
  HOSTCC  scripts/dtc/data.o
  HOSTCC  scripts/dtc/livetree.o
  HOSTCC  scripts/dtc/treesource.o
  GEN     scripts/mod/devicetable-offsets.h
  HOSTCC  scripts/dtc/srcpos.o
  MKELF   scripts/mod/elfconfig.h
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/dtc/checks.o
  HOSTCC  scripts/dtc/util.o
  SHIPPED scripts/dtc/dtc-lexer.lex.c
  SHIPPED scripts/dtc/dtc-parser.tab.h
  HOSTCC  scripts/mod/file2alias.o
  SHIPPED scripts/dtc/dtc-parser.tab.c
  HOSTCC  scripts/mod/sumversion.o
  HOSTCC  scripts/dtc/dtc-lexer.lex.o
  HOSTCC  scripts/dtc/dtc-parser.tab.o
  CHK     include/generated/timeconst.h
  CC      kernel/bounds.s
  UPD     include/generated/timeconst.h
  CHK     include/generated/bounds.h
  UPD     include/generated/bounds.h
  CC      arch/powerpc/kernel/asm-offsets.s
  HOSTLD  scripts/dtc/dtc
  CHK     include/generated/asm-offsets.h
  UPD     include/generated/asm-offsets.h
  CALL    /home/kisskb/slave/src/scripts/checksyscalls.sh
  HOSTLD  scripts/mod/modpost
  LD      usr/built-in.o
  CC      init/main.o
  CHK     include/generated/compile.h
  CC      init/do_mounts.o
  CC      init/noinitramfs.o
  CC      init/do_mounts_rd.o
  CC      init/init_task.o
  UPD     include/generated/compile.h
  CC      arch/powerpc/mm/fault.o
  AS      arch/powerpc/lib/string.o
  CC      arch/powerpc/sysdev/mpic.o
  AS      arch/powerpc/platforms/44x/misc_44x.o
  CC      arch/powerpc/kernel/cputable.o
  CC      arch/powerpc/lib/alloc.o
  CC      arch/powerpc/platforms/44x/idle.o
  AS      arch/powerpc/lib/crtsavres.o
  CC      arch/powerpc/kernel/ptrace.o
  CC      arch/powerpc/lib/ppc_ksyms.o
  CC      arch/powerpc/lib/code-patching.o
  CC      arch/powerpc/lib/feature-fixups.o
  CC      arch/powerpc/platforms/44x/ppc476.o
  CC      arch/powerpc/mm/mem.o
  CC      arch/powerpc/mm/pgtable.o
  CC      arch/powerpc/mm/mmap.o
  AS      arch/powerpc/lib/div64.o
  AS      arch/powerpc/lib/copy_32.o
  CC      arch/powerpc/math-emu/math.o
  AS      arch/powerpc/lib/checksum_32.o
/home/kisskb/slave/src/arch/powerpc/platforms/44x/ppc476.c: In function 'avr_probe':
/home/kisskb/slave/src/arch/powerpc/platforms/44x/ppc476.c:96:17: error: assignment makes '__attribute__((noreturn))' qualified function pointer from unqualified [-Werror=discarded-qualifiers]
  ppc_md.restart = avr_reset_system;
                 ^
  CC      arch/powerpc/lib/checksum_wrappers.o
  AS      arch/powerpc/sysdev/dcr-low.o
  CC      init/version.o
cc1: all warnings being treated as errors
/home/kisskb/slave/src/scripts/Makefile.build:289: recipe for target 'arch/powerpc/platforms/44x/ppc476.o' failed
make[3]: *** [arch/powerpc/platforms/44x/ppc476.o] Error 1
/home/kisskb/slave/src/scripts/Makefile.build:440: recipe for target 'arch/powerpc/platforms/44x' failed
make[2]: *** [arch/powerpc/platforms/44x] Error 2
/home/kisskb/slave/src/Makefile:985: recipe for target 'arch/powerpc/platforms' failed
make[1]: *** [arch/powerpc/platforms] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      arch/powerpc/math-emu/fre.o
  CC      arch/powerpc/math-emu/fsqrt.o
  CC      arch/powerpc/math-emu/fsqrts.o
  CC      arch/powerpc/math-emu/frsqrtes.o
  CC      arch/powerpc/lib/sstep.o
  LD      init/mounts.o
  AS      arch/powerpc/lib/ldstfp.o
  LD      init/built-in.o
  CC      arch/powerpc/mm/init_32.o
  CC      arch/powerpc/kernel/syscalls.o
  CC      arch/powerpc/mm/pgtable_32.o
  CC      arch/powerpc/mm/mmu_context_nohash.o
  CC      arch/powerpc/math-emu/mtfsf.o
  CC      arch/powerpc/math-emu/mtfsfi.o
  CC      arch/powerpc/math-emu/fabs.o
  CC      arch/powerpc/math-emu/fadd.o
  CC      arch/powerpc/sysdev/indirect_pci.o
  CC      arch/powerpc/math-emu/fadds.o
  CC      arch/powerpc/math-emu/fcmpo.o
  CC      arch/powerpc/mm/tlb_nohash.o
  CC      arch/powerpc/kernel/irq.o
  CC      arch/powerpc/kernel/align.o
  CC      arch/powerpc/kernel/signal_32.o
  CC      arch/powerpc/kernel/pmc.o
  CC      arch/powerpc/math-emu/fcmpu.o
  CC      arch/powerpc/kernel/vdso.o
  CC      arch/powerpc/kernel/process.o
  CPP     arch/powerpc/kernel/systbl_chk.i
  CC      arch/powerpc/kernel/idle.o
  CC      arch/powerpc/sysdev/uic.o
  LD      arch/powerpc/lib/built-in.o
  CC      arch/powerpc/sysdev/ppc4xx_soc.o
  AS      arch/powerpc/mm/tlb_nohash_low.o
  CC      arch/powerpc/math-emu/fctiw.o
  CC      arch/powerpc/mm/44x_mmu.o
  CC      arch/powerpc/kernel/signal.o
  CC      arch/powerpc/kernel/sysfs.o
  CC      arch/powerpc/kernel/cacheinfo.o
  CC      arch/powerpc/kernel/time.o
  CC      arch/powerpc/math-emu/fctiwz.o
  CC      arch/powerpc/kernel/prom.o
  CC      arch/powerpc/math-emu/fdiv.o
  CC      arch/powerpc/sysdev/ppc4xx_pci.o
  CC      arch/powerpc/mm/hugetlbpage.o
  CC      arch/powerpc/kernel/traps.o
  CC      arch/powerpc/math-emu/fdivs.o
  CC      arch/powerpc/kernel/setup-common.o
  CC      arch/powerpc/mm/highmem.o
  CC      arch/powerpc/kernel/udbg.o
  AS      arch/powerpc/kernel/misc.o
  CC      arch/powerpc/kernel/io.o
  CC      arch/powerpc/kernel/dma.o
  AS      arch/powerpc/kernel/misc_32.o
  CC      arch/powerpc/kernel/of_platform.o
  CC      arch/powerpc/kernel/prom_parse.o
  CC      arch/powerpc/math-emu/fmadd.o
  LD      arch/powerpc/mm/built-in.o
  CC      arch/powerpc/math-emu/fmadds.o
  CC      arch/powerpc/math-emu/fmsub.o
  LDS     arch/powerpc/kernel/vdso32/vdso32.lds
  VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o
  VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o
  VDSO32A arch/powerpc/kernel/vdso32/datapage.o
  CC      arch/powerpc/kernel/proc_powerpc.o
  VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o
  VDSO32A arch/powerpc/kernel/vdso32/note.o
  VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg
  OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so
  AS      arch/powerpc/kernel/vdso32/vdso32_wrapper.o
  LD      arch/powerpc/kernel/vdso32/built-in.o
  CC      arch/powerpc/math-emu/fmsubs.o
  CC      arch/powerpc/kernel/smp-tbsync.o
  CC      arch/powerpc/kernel/module.o
  CC      arch/powerpc/kernel/module_32.o
  AS      arch/powerpc/kernel/cpu_setup_44x.o
  AS      arch/powerpc/kernel/entry_32.o
  CC      arch/powerpc/sysdev/dcr.o
  CC      arch/powerpc/math-emu/fmul.o
  CC      arch/powerpc/kernel/setup_32.o
  CC      arch/powerpc/math-emu/fmuls.o
  CC      arch/powerpc/kernel/ppc_ksyms.o
  CC      arch/powerpc/kernel/ppc_ksyms_32.o
  CC      arch/powerpc/kernel/smp.o
  CC      arch/powerpc/math-emu/fnabs.o
  CC      arch/powerpc/math-emu/fneg.o
  CC      arch/powerpc/kernel/legacy_serial.o
  CC      arch/powerpc/math-emu/fnmadd.o
  CC      arch/powerpc/math-emu/fnmadds.o
  CC      arch/powerpc/math-emu/fnmsub.o
  CC      arch/powerpc/math-emu/fnmsubs.o
  CC      arch/powerpc/math-emu/fres.o
  CC      arch/powerpc/math-emu/frsp.o
  CC      arch/powerpc/math-emu/fsel.o
  LD      arch/powerpc/sysdev/built-in.o
  CC      arch/powerpc/math-emu/lfs.o
  CC      arch/powerpc/math-emu/frsqrte.o
  CC      arch/powerpc/math-emu/fsub.o
  CC      arch/powerpc/kernel/udbg_16550.o
  CC      arch/powerpc/math-emu/fsubs.o
  CC      arch/powerpc/math-emu/mcrfs.o
  CC      arch/powerpc/math-emu/mffs.o
  CC      arch/powerpc/math-emu/mtfsb0.o
  CC      arch/powerpc/math-emu/mtfsb1.o
  CC      arch/powerpc/kernel/dma-swiotlb.o
  CC      arch/powerpc/math-emu/stfiwx.o
  CC      arch/powerpc/math-emu/stfs.o
  CC      arch/powerpc/math-emu/fmr.o
  CC      arch/powerpc/math-emu/lfd.o
  CC      arch/powerpc/math-emu/stfd.o
  CC      arch/powerpc/kernel/pci_32.o
  CC      arch/powerpc/kernel/pci-common.o
  CC      arch/powerpc/kernel/pci_of_scan.o
  CC      arch/powerpc/kernel/iomap.o
  AS      arch/powerpc/kernel/ppc_save_regs.o
  AS      arch/powerpc/kernel/head_44x.o
  LDS     arch/powerpc/kernel/vmlinux.lds
  AS      arch/powerpc/kernel/fpu.o
  CALL    /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh
  AS      arch/powerpc/kernel/systbl.o
  LD      arch/powerpc/math-emu/built-in.o
  LD      arch/powerpc/kernel/built-in.o
make[1]: Leaving directory '/home/kisskb/slave/build/mpe_44x_currituck_defconfig_powerpc-5.3'
Makefile:150: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
Command 'make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/mpe_44x_currituck_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc-linux/bin/powerpc-linux-  ' returned non-zero exit status 2
# rm -rf /home/kisskb/slave/build/mpe_44x_currituck_defconfig_powerpc-5.3
# Build took: 0:00:14.483545