Date: Mon, 14 Aug 2017 10:21:50 -0600 From: Tycho Andersen <tycho@...ker.com> To: kbuild test robot <lkp@...el.com> Cc: kbuild-all@...org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, kernel-hardening@...ts.openwall.com, Marco Benatto <marco.antonio.780@...il.com>, Juerg Haefliger <juerg.haefliger@...onical.com> Subject: Re: [PATCH v5 10/10] lkdtm: Add test for XPFO On Sun, Aug 13, 2017 at 04:24:23AM +0800, kbuild test robot wrote: > Hi Juerg, > > [auto build test ERROR on arm64/for-next/core] > [also build test ERROR on v4.13-rc4] > [cannot apply to next-20170811] > [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/Tycho-Andersen/Add-support-for-eXclusive-Page-Frame-Ownership/20170813-035705 > base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core > config: x86_64-randconfig-x016-201733 (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 >>): > > drivers/misc/lkdtm_xpfo.c: In function 'read_user_with_flags': > >> drivers/misc/lkdtm_xpfo.c:31:14: error: implicit declaration of function 'user_virt_to_phys' [-Werror=implicit-function-declaration] > phys_addr = user_virt_to_phys(user_addr); > ^~~~~~~~~~~~~~~~~ > cc1: some warnings being treated as errors These are both the same error, looks like I forgot a dummy prototype in the non CONFIG_XPFO case, I'll fix it in the next version. Tycho
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