Hi Christophe, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on linus/master] [also build test ERROR on v5.8 next-20200812] [cannot apply to powerpc/next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Christophe-Leroy/powerpc-Switch-... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git fb893de323e2d39f7a1f6df425703a2edbdf56ea config: powerpc64-randconfig-r004-20200812 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 30c1633386e7cfb01c0a54b31ccf4c3a3873e71b) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): ret = ptrace_get_reg(child, index, &tmp); ^ arch/powerpc/kernel/ptrace/ptrace32.c:141:10: error: implicit declaration of function 'ptrace_get_reg' [-Werror,-Wimplicit-function-declaration] ret = ptrace_get_reg(child, numReg, &tmp2); ^ ret = ptrace_put_reg(child, index, data); ^ arch/powerpc/kernel/ptrace/ptrace32.c:230:10: error: implicit declaration of function 'ptrace_get_reg' [-Werror,-Wimplicit-function-declaration] ret = ptrace_get_reg(child, numReg, &freg); ^ arch/powerpc/kernel/ptrace/ptrace32.c:237:10: error: implicit declaration of function 'ptrace_put_reg' [-Werror,-Wimplicit-function-declaration] ret = ptrace_put_reg(child, numReg, freg); ^ 5 errors generated. vim +/ptrace_get_reg +86 arch/powerpc/kernel/ptrace/ptrace32.c 9c75a31c3525a1 arch/powerpc/kernel/ptrace32.c Michael Neuling 2008-06-26 35 81e695c026eeda arch/powerpc/kernel/ptrace32.c Roland McGrath 2007-12-20 36 long compat_arch_ptrace(struct task_struct *child, compat_long_t request, 81e695c026eeda arch/powerpc/kernel/ptrace32.c Roland McGrath 2007-12-20 37 compat_ulong_t caddr, compat_ulong_t cdata) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 38 { 81e695c026eeda arch/powerpc/kernel/ptrace32.c Roland McGrath 2007-12-20 39 unsigned long addr = caddr; 81e695c026eeda arch/powerpc/kernel/ptrace32.c Roland McGrath 2007-12-20 40 unsigned long data = cdata; 6b9c7ed8483775 arch/powerpc/kernel/ptrace32.c Christoph Hellwig 2006-01-08 41 int ret; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 42 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 43 switch (request) { ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 44 /* ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 45 * Read 4 bytes of the other process' storage ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 46 * data is a pointer specifying where the user wants the ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 47 * 4 bytes copied into ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 48 * addr is a pointer in the user's storage that contains an 8 byte ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 49 * address in the other process of the 4 bytes that is to be read ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 50 * (this is run in a 32-bit process looking at a 64-bit process) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 51 * when I and D space are separate, these will need to be fixed. ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 52 */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 53 case PPC_PTRACE_PEEKTEXT_3264: ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 54 case PPC_PTRACE_PEEKDATA_3264: { ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 55 u32 tmp; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 56 int copied; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 57 u32 __user * addrOthers; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 58 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 59 ret = -EIO; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 60 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 61 /* Get the addr in the other process that we want to read */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 62 if (get_user(addrOthers, (u32 __user * __user *)addr) != 0) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 63 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 64 84d77d3f06e7e8 arch/powerpc/kernel/ptrace32.c Eric W. Biederman 2016-11-22 65 copied = ptrace_access_vm(child, (u64)addrOthers, &tmp, f307ab6dcea03f arch/powerpc/kernel/ptrace32.c Lorenzo Stoakes 2016-10-13 66 sizeof(tmp), FOLL_FORCE); ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 67 if (copied != sizeof(tmp)) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 68 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 69 ret = put_user(tmp, (u32 __user *)data); ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 70 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 71 } ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 72 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 73 /* Read a register (specified by ADDR) out of the "user area" */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 74 case PTRACE_PEEKUSR: { ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 75 int index; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 76 unsigned long tmp; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 77 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 78 ret = -EIO; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 79 /* convert to index and check */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 80 index = (unsigned long) addr >> 2; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 81 if ((addr & 3) || (index > PT_FPSCR32)) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 82 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 83 fabca2c0a461bd arch/powerpc/kernel/ptrace32.c Roland McGrath 2007-09-25 84 CHECK_FULL_REGS(child->thread.regs); ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 85 if (index < PT_FPR0) { ee4a3916614829 arch/powerpc/kernel/ptrace32.c Alexey Kardashevskiy 2013-02-14 @86 ret = ptrace_get_reg(child, index, &tmp); ee4a3916614829 arch/powerpc/kernel/ptrace32.c Alexey Kardashevskiy 2013-02-14 87 if (ret) ee4a3916614829 arch/powerpc/kernel/ptrace32.c Alexey Kardashevskiy 2013-02-14 88 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 89 } else { ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 90 flush_fp_to_thread(child); ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 91 /* ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 92 * the user space code considers the floating point ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 93 * to be an array of unsigned int (32 bits) - the ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 94 * index passed in is based on this assumption. ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 95 */ de79f7b9f6f92e arch/powerpc/kernel/ptrace32.c Paul Mackerras 2013-09-10 96 tmp = ((unsigned int *)child->thread.fp_state.fpr) 9c75a31c3525a1 arch/powerpc/kernel/ptrace32.c Michael Neuling 2008-06-26 97 [FPRINDEX(index)]; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 98 } ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 99 ret = put_user((unsigned int)tmp, (u32 __user *)data); ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 100 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 101 } ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 102 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 103 /* ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 104 * Read 4 bytes out of the other process' pt_regs area ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 105 * data is a pointer specifying where the user wants the ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 106 * 4 bytes copied into ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 107 * addr is the offset into the other process' pt_regs structure ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 108 * that is to be read ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 109 * (this is run in a 32-bit process looking at a 64-bit process) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 110 */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 111 case PPC_PTRACE_PEEKUSR_3264: { ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 112 u32 index; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 113 u32 reg32bits; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 114 u64 tmp; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 115 u32 numReg; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 116 u32 part; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 117 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 118 ret = -EIO; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 119 /* Determine which register the user wants */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 120 index = (u64)addr >> 2; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 121 numReg = index / 2; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 122 /* Determine which part of the register the user wants */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 123 if (index % 2) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 124 part = 1; /* want the 2nd half of the register (right-most). */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 125 else ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 126 part = 0; /* want the 1st half of the register (left-most). */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 127 912000e73ee8fc arch/powerpc/kernel/ptrace32.c Benjamin Herrenschmidt 2007-06-04 128 /* Validate the input - check to see if address is on the wrong boundary 912000e73ee8fc arch/powerpc/kernel/ptrace32.c Benjamin Herrenschmidt 2007-06-04 129 * or beyond the end of the user area 912000e73ee8fc arch/powerpc/kernel/ptrace32.c Benjamin Herrenschmidt 2007-06-04 130 */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 131 if ((addr & 3) || numReg > PT_FPSCR) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 132 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 133 fabca2c0a461bd arch/powerpc/kernel/ptrace32.c Roland McGrath 2007-09-25 134 CHECK_FULL_REGS(child->thread.regs); ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 135 if (numReg >= PT_FPR0) { ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 136 flush_fp_to_thread(child); bc826666e4252f arch/powerpc/kernel/ptrace32.c Michael Neuling 2009-04-05 137 /* get 64 bit FPR */ de79f7b9f6f92e arch/powerpc/kernel/ptrace32.c Paul Mackerras 2013-09-10 138 tmp = child->thread.fp_state.fpr[numReg - PT_FPR0][0]; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 139 } else { /* register within PT_REGS struct */ ee4a3916614829 arch/powerpc/kernel/ptrace32.c Alexey Kardashevskiy 2013-02-14 140 unsigned long tmp2; ee4a3916614829 arch/powerpc/kernel/ptrace32.c Alexey Kardashevskiy 2013-02-14 141 ret = ptrace_get_reg(child, numReg, &tmp2); ee4a3916614829 arch/powerpc/kernel/ptrace32.c Alexey Kardashevskiy 2013-02-14 142 if (ret) ee4a3916614829 arch/powerpc/kernel/ptrace32.c Alexey Kardashevskiy 2013-02-14 143 break; ee4a3916614829 arch/powerpc/kernel/ptrace32.c Alexey Kardashevskiy 2013-02-14 144 tmp = tmp2; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 145 } ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 146 reg32bits = ((u32*)&tmp)[part]; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 147 ret = put_user(reg32bits, (u32 __user *)data); ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 148 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 149 } ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 150 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 151 /* ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 152 * Write 4 bytes into the other process' storage ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 153 * data is the 4 bytes that the user wants written ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 154 * addr is a pointer in the user's storage that contains an ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 155 * 8 byte address in the other process where the 4 bytes ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 156 * that is to be written ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 157 * (this is run in a 32-bit process looking at a 64-bit process) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 158 * when I and D space are separate, these will need to be fixed. ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 159 */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 160 case PPC_PTRACE_POKETEXT_3264: ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 161 case PPC_PTRACE_POKEDATA_3264: { ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 162 u32 tmp = data; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 163 u32 __user * addrOthers; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 164 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 165 /* Get the addr in the other process that we want to write into */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 166 ret = -EIO; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 167 if (get_user(addrOthers, (u32 __user * __user *)addr) != 0) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 168 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 169 ret = 0; 84d77d3f06e7e8 arch/powerpc/kernel/ptrace32.c Eric W. Biederman 2016-11-22 170 if (ptrace_access_vm(child, (u64)addrOthers, &tmp, f307ab6dcea03f arch/powerpc/kernel/ptrace32.c Lorenzo Stoakes 2016-10-13 171 sizeof(tmp), f307ab6dcea03f arch/powerpc/kernel/ptrace32.c Lorenzo Stoakes 2016-10-13 172 FOLL_FORCE | FOLL_WRITE) == sizeof(tmp)) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 173 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 174 ret = -EIO; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 175 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 176 } ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 177 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 178 /* write the word at location addr in the USER area */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 179 case PTRACE_POKEUSR: { ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 180 unsigned long index; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 181 ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 182 ret = -EIO; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 183 /* convert to index and check */ ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 184 index = (unsigned long) addr >> 2; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 185 if ((addr & 3) || (index > PT_FPSCR32)) ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 186 break; ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 187 fabca2c0a461bd arch/powerpc/kernel/ptrace32.c Roland McGrath 2007-09-25 188 CHECK_FULL_REGS(child->thread.regs); ^1da177e4c3f41 arch/ppc64/kernel/ptrace32.c Linus Torvalds 2005-04-16 189 if (index < PT_FPR0) { 865418d8e78b9c arch/powerpc/kernel/ptrace32.c Benjamin Herrenschmidt 2007-06-04 @190 ret = ptrace_put_reg(child, index, data); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org