Hi "Daniel, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on linuxtv-media/master] [also build test WARNING on next-20200519] [cannot apply to linus/master linux/master v5.7-rc6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Daniel-W-S-Almeida/media-vidtv-i... base: git://linuxtv.org/media_tree.git master config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): void mark_rodata_ro(void) ^~~~~~~~~~~~~~ vim +/mark_rodata_ro +872 arch/x86/mm/init_32.c 5bd5a452662bc37 arch/x86/mm/init_32.c Matthieu CASTET 2010-11-16 871 63aaf3086baea7b arch/i386/mm/init.c Arjan van de Ven 2006-01-06 @872 void mark_rodata_ro(void) 63aaf3086baea7b arch/i386/mm/init.c Arjan van de Ven 2006-01-06 873 { 6fb14755a676282 arch/i386/mm/init.c Jan Beulich 2007-05-02 874 unsigned long start = PFN_ALIGN(_text); 2a25dc7c79c92c6 arch/x86/mm/init_32.c Thomas Gleixner 2018-09-17 875 unsigned long size = (unsigned long)__end_rodata - start; 63aaf3086baea7b arch/i386/mm/init.c Arjan van de Ven 2006-01-06 876 6d238cc4dc8a36a arch/x86/mm/init_32.c Arjan van de Ven 2008-01-30 877 set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT); 2a25dc7c79c92c6 arch/x86/mm/init_32.c Thomas Gleixner 2018-09-17 878 pr_info("Write protecting kernel text and read-only data: %luk\n", d7d119d777d7ed2 arch/x86/mm/init_32.c Ingo Molnar 2008-01-30 879 size >> 10); 0c42f392767d359 arch/x86/mm/init_32.c Andi Kleen 2008-01-30 880 16239630974516a arch/x86/mm/init_32.c Steven Rostedt 2009-02-17 881 kernel_set_to_readonly = 1; 16239630974516a arch/x86/mm/init_32.c Steven Rostedt 2009-02-17 882 :::::: The code at line 872 was first introduced by commit :::::: 63aaf3086baea7b94c218053af8237f9dbac5d05 [PATCH] x86/x86_64: mark rodata section read only: x86 parts :::::: TO: Arjan van de Ven <arjan(a)infradead.org&gt; :::::: CC: Linus Torvalds <torvalds(a)g5.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org