[PATCH 19/19] powerpc: clean up asm/switch_to.h

[kbuild test robot]

Hi Anton,

[auto build test ERROR on powerpc/next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Anton-Blanchard/powerpc-Don-t-disable-kernel-FP-VMX-VSX-MSR-bits-on-context-switch/20151028-091736
config: powerpc-virtex_defconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/kernel/ptrace.c: In function 'fpr_get':
>> arch/powerpc/kernel/ptrace.c:368:2: error: implicit declaration of function 'flush_fp_to_thread' [-Werror=implicit-function-declaration]
     flush_fp_to_thread(target);
     ^
   cc1: all warnings being treated as errors
--
   arch/powerpc/kernel/align.c: In function 'fix_alignment':
>> arch/powerpc/kernel/align.c:908:3: error: implicit declaration of function 'flush_fp_to_thread' [-Werror=implicit-function-declaration]
      flush_fp_to_thread(current);
      ^
   cc1: all warnings being treated as errors
--
   arch/powerpc/kernel/signal_32.c: In function 'save_user_regs':
>> arch/powerpc/kernel/signal_32.c:415:2: error: implicit declaration of function 'flush_fp_to_thread' [-Werror=implicit-function-declaration]
     flush_fp_to_thread(current);
     ^
   cc1: all warnings being treated as errors
--
   arch/powerpc/kernel/process.c: In function 'enable_kernel_fp':
>> arch/powerpc/kernel/process.c:186:3: error: implicit declaration of function '__giveup_fpu' [-Werror=implicit-function-declaration]
      __giveup_fpu(current);
      ^
   cc1: all warnings being treated as errors
--
   arch/powerpc/kernel/traps.c: In function 'parse_fpe':
>> arch/powerpc/kernel/traps.c:860:2: error: implicit declaration of function 'flush_fp_to_thread' [-Werror=implicit-function-declaration]
     flush_fp_to_thread(current);
     ^
   cc1: all warnings being treated as errors

vim +/flush_fp_to_thread +368 arch/powerpc/kernel/ptrace.c

f65255e8 Roland McGrath  2007-12-20  362  		   void *kbuf, void __user *ubuf)
f65255e8 Roland McGrath  2007-12-20  363  {
c6e6771b Michael Neuling 2008-06-25  364  #ifdef CONFIG_VSX
de79f7b9 Paul Mackerras  2013-09-10  365  	u64 buf[33];
c6e6771b Michael Neuling 2008-06-25  366  	int i;
c6e6771b Michael Neuling 2008-06-25  367  #endif
f65255e8 Roland McGrath  2007-12-20 @368  	flush_fp_to_thread(target);
f65255e8 Roland McGrath  2007-12-20  369  
c6e6771b Michael Neuling 2008-06-25  370  #ifdef CONFIG_VSX
c6e6771b Michael Neuling 2008-06-25  371  	/* copy to local buffer then write that out */

:::::: The code at line 368 was first introduced by commit
:::::: f65255e8d51ecbc6c9eef20d39e0377d19b658ca [POWERPC] Use user_regset accessors for FP regs

:::::: TO: Roland McGrath <roland at redhat.com>
:::::: CC: Paul Mackerras <paulus at samba.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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