tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git test-merge head: 3605caf3c6e375c22924e639b64e335192b4e849 commit: 3605caf3c6e375c22924e639b64e335192b4e849 [1/1] Merge branch 'misc.sparc' into Y2 config: sparc64-allyesconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 3605caf3c6e375c22924e639b64e335192b4e849 # save the attached .config to linux build tree make.cross ARCH=sparc64 All errors (new ones prefixed by >>): arch/sparc//kernel/sys_sparc32.c: In function 'C_SYSC_truncate64': >> arch/sparc//kernel/sys_sparc32.c:57:35: error: left shift count >= width of type [-Werror=shift-count-overflow] return ksys_truncate(path, (high << 32) | low); ^~ arch/sparc//kernel/sys_sparc32.c: In function 'C_SYSC_ftruncate64': arch/sparc//kernel/sys_sparc32.c:62:34: error: left shift count >= width of type [-Werror=shift-count-overflow] return ksys_ftruncate(fd, (high << 32) | low); ^~ arch/sparc//kernel/sys_sparc32.c: In function 'C_SYSC_pread64': >> arch/sparc//kernel/sys_sparc32.c:194:9: error: implicit declaration of function 'kys_pread64'; did you mean 'ksys_pread64'? [-Werror=implicit-function-declaration] return kys_pread64(fd, ubuf, count, ((u64)poshi << 32) | poslo); ^~~~~~~~~~~ ksys_pread64 arch/sparc//kernel/sys_sparc32.c: In function 'C_SYSC_readahead': >> arch/sparc//kernel/sys_sparc32.c:206:9: error: implicit declaration of function 'kys_readahead'; did you mean 'ksys_readahead'? [-Werror=implicit-function-declaration] return kys_readahead(fd, ((u64)offhi << 32) | offlo, count); ^~~~~~~~~~~~~ ksys_readahead cc1: all warnings being treated as errors vim +194 arch/sparc//kernel/sys_sparc32.c 54 55 COMPAT_SYSCALL_DEFINE3(truncate64, const char __user *, path, u32, high, u32, low) 56 { > 57 return ksys_truncate(path, (high << 32) | low); 58 } 59 60 COMPAT_SYSCALL_DEFINE3(ftruncate64, unsigned int, fd, u32, high, u32, low) 61 { > 62 return ksys_ftruncate(fd, (high << 32) | low); 63 } 64 65 static int cp_compat_stat64(struct kstat *stat, 66 struct compat_stat64 __user *statbuf) 67 { 68 int err; 69 70 err = put_user(huge_encode_dev(stat->dev), &statbuf->st_dev); 71 err |= put_user(stat->ino, &statbuf->st_ino); 72 err |= put_user(stat->mode, &statbuf->st_mode); 73 err |= put_user(stat->nlink, &statbuf->st_nlink); 74 err |= put_user(from_kuid_munged(current_user_ns(), stat->uid), &statbuf->st_uid); 75 err |= put_user(from_kgid_munged(current_user_ns(), stat->gid), &statbuf->st_gid); 76 err |= put_user(huge_encode_dev(stat->rdev), &statbuf->st_rdev); 77 err |= put_user(0, (unsigned long __user *) &statbuf->__pad3[0]); 78 err |= put_user(stat->size, &statbuf->st_size); 79 err |= put_user(stat->blksize, &statbuf->st_blksize); 80 err |= put_user(0, (unsigned int __user *) &statbuf->__pad4[0]); 81 err |= put_user(0, (unsigned int __user *) &statbuf->__pad4[4]); 82 err |= put_user(stat->blocks, &statbuf->st_blocks); 83 err |= put_user(stat->atime.tv_sec, &statbuf->st_atime); 84 err |= put_user(stat->atime.tv_nsec, &statbuf->st_atime_nsec); 85 err |= put_user(stat->mtime.tv_sec, &statbuf->st_mtime); 86 err |= put_user(stat->mtime.tv_nsec, &statbuf->st_mtime_nsec); 87 err |= put_user(stat->ctime.tv_sec, &statbuf->st_ctime); 88 err |= put_user(stat->ctime.tv_nsec, &statbuf->st_ctime_nsec); 89 err |= put_user(0, &statbuf->__unused4); 90 err |= put_user(0, &statbuf->__unused5); 91 92 return err; 93 } 94 95 COMPAT_SYSCALL_DEFINE2(stat64, const char __user *, filename, 96 struct compat_stat64 __user *, statbuf) 97 { 98 struct kstat stat; 99 int error = vfs_stat(filename, &stat); 100 101 if (!error) 102 error = cp_compat_stat64(&stat, statbuf); 103 return error; 104 } 105 106 COMPAT_SYSCALL_DEFINE2(lstat64, const char __user *, filename, 107 struct compat_stat64 __user *, statbuf) 108 { 109 struct kstat stat; 110 int error = vfs_lstat(filename, &stat); 111 112 if (!error) 113 error = cp_compat_stat64(&stat, statbuf); 114 return error; 115 } 116 117 COMPAT_SYSCALL_DEFINE2(fstat64, unsigned int, fd, 118 struct compat_stat64 __user *, statbuf) 119 { 120 struct kstat stat; 121 int error = vfs_fstat(fd, &stat); 122 123 if (!error) 124 error = cp_compat_stat64(&stat, statbuf); 125 return error; 126 } 127 128 COMPAT_SYSCALL_DEFINE4(fstatat64, unsigned int, dfd, 129 const char __user *, filename, 130 struct compat_stat64 __user *, statbuf, int, flag) 131 { 132 struct kstat stat; 133 int error; 134 135 error = vfs_fstatat(dfd, filename, &stat, flag); 136 if (error) 137 return error; 138 return cp_compat_stat64(&stat, statbuf); 139 } 140 141 COMPAT_SYSCALL_DEFINE3(sparc_sigaction, int, sig, 142 struct compat_old_sigaction __user *,act, 143 struct compat_old_sigaction __user *,oact) 144 { 145 WARN_ON_ONCE(sig >= 0); 146 return compat_sys_sigaction(-sig, act, oact); 147 } 148 149 COMPAT_SYSCALL_DEFINE5(rt_sigaction, int, sig, 150 struct compat_sigaction __user *,act, 151 struct compat_sigaction __user *,oact, 152 void __user *,restorer, 153 compat_size_t,sigsetsize) 154 { 155 struct k_sigaction new_ka, old_ka; 156 int ret; 157 158 /* XXX: Don't preclude handling different sized sigset_t's. */ 159 if (sigsetsize != sizeof(compat_sigset_t)) 160 return -EINVAL; 161 162 if (act) { 163 u32 u_handler, u_restorer; 164 165 new_ka.ka_restorer = restorer; 166 ret = get_user(u_handler, &act->sa_handler); 167 new_ka.sa.sa_handler = compat_ptr(u_handler); 168 ret |= get_compat_sigset(&new_ka.sa.sa_mask, &act->sa_mask); 169 ret |= get_user(new_ka.sa.sa_flags, &act->sa_flags); 170 ret |= get_user(u_restorer, &act->sa_restorer); 171 new_ka.sa.sa_restorer = compat_ptr(u_restorer); 172 if (ret) 173 return -EFAULT; 174 } 175 176 ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); 177 178 if (!ret && oact) { 179 ret = put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler); 180 ret |= put_compat_sigset(&oact->sa_mask, &old_ka.sa.sa_mask, 181 sizeof(oact->sa_mask)); 182 ret |= put_user(old_ka.sa.sa_flags, &oact->sa_flags); 183 ret |= put_user(ptr_to_compat(old_ka.sa.sa_restorer), &oact->sa_restorer); 184 if (ret) 185 ret = -EFAULT; 186 } 187 188 return ret; 189 } 190 191 COMPAT_SYSCALL_DEFINE5(pread64, unsigned int, fd, char __user *, ubuf, 192 compat_size_t, count, u32, poshi, u32, poslo) 193 { > 194 return kys_pread64(fd, ubuf, count, ((u64)poshi << 32) | poslo); 195 } 196 197 COMPAT_SYSCALL_DEFINE5(pwrite64, unsigned int, fd, char __user *, ubuf, 198 compat_size_t, count, u32, poshi, u32, poslo) 199 { 200 return ksys_pwrite64(fd, ubuf, count, ((u64)poshi << 32) | poslo); 201 } 202 203 COMPAT_SYSCALL_DEFINE4(readahead, int, fd, u32, offhi, u32, offlo, 204 compat_size_t, count) 205 { > 206 return kys_readahead(fd, ((u64)offhi << 32) | offlo, count); 207 } 208 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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