Hi AKASHI, [auto build test ERROR on arm64/for-next/core] [also build test ERROR on v4.14-rc3 next-20170929] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/AKASHI-Takahiro/arm64-kexec-add-kexec_file_load-support/20171004-163130 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: x86_64-randconfig-x000-201740 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): kernel/kexec_file.c: In function 'kimage_file_post_load_cleanup': >> kernel/kexec_file.c:152:2: error: implicit declaration of function >> 'arch_kimage_file_post_load_cleanup' [-Werror=implicit-function-declaration] arch_kimage_file_post_load_cleanup(image); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/arch_kimage_file_post_load_cleanup +152 kernel/kexec_file.c a43cac0d9 Dave Young 2015-09-09 126 a43cac0d9 Dave Young 2015-09-09 127 /* a43cac0d9 Dave Young 2015-09-09 128 * Free up memory used by kernel, initrd, and command line. This is temporary a43cac0d9 Dave Young 2015-09-09 129 * memory allocation which is not needed any more after these buffers have a43cac0d9 Dave Young 2015-09-09 130 * been loaded into separate segments and have been copied elsewhere. a43cac0d9 Dave Young 2015-09-09 131 */ a43cac0d9 Dave Young 2015-09-09 132 void kimage_file_post_load_cleanup(struct kimage *image) a43cac0d9 Dave Young 2015-09-09 133 { a43cac0d9 Dave Young 2015-09-09 134 struct purgatory_info *pi = &image->purgatory_info; a43cac0d9 Dave Young 2015-09-09 135 a43cac0d9 Dave Young 2015-09-09 136 vfree(image->kernel_buf); a43cac0d9 Dave Young 2015-09-09 137 image->kernel_buf = NULL; a43cac0d9 Dave Young 2015-09-09 138 a43cac0d9 Dave Young 2015-09-09 139 vfree(image->initrd_buf); a43cac0d9 Dave Young 2015-09-09 140 image->initrd_buf = NULL; a43cac0d9 Dave Young 2015-09-09 141 a43cac0d9 Dave Young 2015-09-09 142 kfree(image->cmdline_buf); a43cac0d9 Dave Young 2015-09-09 143 image->cmdline_buf = NULL; a43cac0d9 Dave Young 2015-09-09 144 a43cac0d9 Dave Young 2015-09-09 145 vfree(pi->purgatory_buf); a43cac0d9 Dave Young 2015-09-09 146 pi->purgatory_buf = NULL; a43cac0d9 Dave Young 2015-09-09 147 a43cac0d9 Dave Young 2015-09-09 148 vfree(pi->sechdrs); a43cac0d9 Dave Young 2015-09-09 149 pi->sechdrs = NULL; a43cac0d9 Dave Young 2015-09-09 150 a43cac0d9 Dave Young 2015-09-09 151 /* See if architecture has anything to cleanup post load */ a43cac0d9 Dave Young 2015-09-09 @152 arch_kimage_file_post_load_cleanup(image); a43cac0d9 Dave Young 2015-09-09 153 a43cac0d9 Dave Young 2015-09-09 154 /* a43cac0d9 Dave Young 2015-09-09 155 * Above call should have called into bootloader to free up a43cac0d9 Dave Young 2015-09-09 156 * any data stored in kimage->image_loader_data. It should a43cac0d9 Dave Young 2015-09-09 157 * be ok now to free it up. a43cac0d9 Dave Young 2015-09-09 158 */ a43cac0d9 Dave Young 2015-09-09 159 kfree(image->image_loader_data); a43cac0d9 Dave Young 2015-09-09 160 image->image_loader_data = NULL; a43cac0d9 Dave Young 2015-09-09 161 } a43cac0d9 Dave Young 2015-09-09 162 :::::: The code at line 152 was first introduced by commit :::::: a43cac0d9dc2073ff2245a171429ddbe1accece7 kexec: split kexec_file syscall code to kexec_file.c :::::: TO: Dave Young <[email protected]> :::::: CC: Linus Torvalds <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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