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[86.146.209.214]) by smtp.gmail.com with ESMTPSA id p9-20020a05600c468900b003ed5909aab2sm9308183wmo.25.2023.03.18.23.10.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Mar 2023 23:10:29 -0700 (PDT) Date: Sun, 19 Mar 2023 06:08:19 +0000 From: Lorenzo Stoakes To: kernel test robot Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Andrew Morton , oe-kbuild-all@lists.linux.dev, Baoquan He , Uladzislau Rezki , Matthew Wilcox , David Hildenbrand , Liu Shixin , Jiri Olsa Subject: Re: [PATCH 4/4] mm: vmalloc: convert vread() to vread_iter() Message-ID: References: <119871ea9507eac7be5d91db38acdb03981e049e.1679183626.git.lstoakes@gmail.com> <202303190922.Wk376onx-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202303190922.Wk376onx-lkp@intel.com> X-Rspam-User: X-Rspamd-Queue-Id: 86A9D1C0012 X-Rspamd-Server: rspam01 X-Stat-Signature: meues8reu7hfmjg8897746de4cwgwo1m X-HE-Tag: 1679206231-924878 X-HE-Meta: U2FsdGVkX18XwsqYIpSCsqwg99v4ZanuL2jmpOwzGfhfSrx72aJ7V+Pkffs1D1iTczdEIvp+Zg3elORc95BrPaGcN9j9PA7LPdWR/c9OFEHT/op7+NYTAxj8fDR4ESkmHAfwrRS4WeqymZobHLrxUjH4xENvZmR5DvX9dfHj4VxHnFzv1ewxPSTtF5Dp1PYP1g+Z3e9AKQgO65eCBwsyRwjgWWbgI8jPecD/ZrrEedyYgHsb/BTvfY+xb1ZIu4Q18MjE0n/FgzpNJ7xzcGZeyyf30j5WHvPdxMuUt2WdmY9ywkyHVxS65maSPD6f1QNcKjR/8z2dg+H/kyeoLGzpPCWBksP8D9TB2LBiYWE/CQ8Agtl5iEyPjkGFq2NAozvzyq93g1xo541hfbksfel596V6ZvDZ1Mcl4U0bGjYlRI78jiI+k6F8iW7wnoOSbkbOriONWgczH6dQ6A/ZeWbJwCWp2VygK5K7uE7y8Fuzy6P2AiNhAo+F/BHiePj1G3+KXgOTCI8FaklJTeEx12GgX3dJnubgz5rHMbIkgIryOk3ltL4x4hd2MjtWDLn0hN0Cs+5/fNPqI/Z8XdmTC1gIfQla6K0z+KPvs1mluz69QbUBYmMR4aS6y9IYwNZ/jaPjEg1vBh4zY1MeoAK2GpFFhUNTAgDby2Dl0VsnknROa+dvWYuQ+cdRobzxU77zUQPlCID3vdOFDCuAwoIocuB7TZZYF7f8xcTqxddUpeHTjkVKtPWFIdh/NKiRdZGJVY3orA3UekJ00TsqNwC5nBTWVHutKwb0JfIa4fEcgLM1t7HJHVQkASBPDlLs5M7UVRY7RAJ7NqH6/5VyqgiKnvyQAj0X7F1D+6DW6pUK4SThpqe1mEOtHFSHYM//HkjVpcdjh5So6lm1Oo9z4AMfju1Uos7azj/Fosggr2KJ7W40IyesE2dmBNPdyO8sxtyT6Np1F2uHvsqOoSvJW6g5wDr 4mmfsntn 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, Mar 19, 2023 at 09:46:03AM +0800, kernel test robot wrote: > Hi Lorenzo, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on akpm-mm/mm-everything] > [also build test WARNING on linus/master v6.3-rc2 next-20230317] > [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#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Lorenzo-Stoakes/fs-proc-kcore-Avoid-bounce-buffer-for-ktext-data/20230319-082147 > base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything > patch link: https://lore.kernel.org/r/119871ea9507eac7be5d91db38acdb03981e049e.1679183626.git.lstoakes%40gmail.com > patch subject: [PATCH 4/4] mm: vmalloc: convert vread() to vread_iter() > config: sparc64-randconfig-r015-20230319 (https://download.01.org/0day-ci/archive/20230319/202303190922.Wk376onx-lkp@intel.com/config) > compiler: sparc64-linux-gcc (GCC) 12.1.0 > 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 > # https://github.com/intel-lab-lkp/linux/commit/a28f374d35bd294a529fcba0b69c8b0e2b66fa6c > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Lorenzo-Stoakes/fs-proc-kcore-Avoid-bounce-buffer-for-ktext-data/20230319-082147 > git checkout a28f374d35bd294a529fcba0b69c8b0e2b66fa6c > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc64 olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc64 SHELL=/bin/bash arch/sparc/vdso/ > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot > | Link: https://lore.kernel.org/oe-kbuild-all/202303190922.Wk376onx-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > > In file included from include/linux/wait.h:11, > from include/linux/swait.h:8, > from include/linux/completion.h:12, > from include/linux/mm_types.h:14, > from include/linux/uio.h:10, > from include/linux/vmalloc.h:12, > from include/asm-generic/io.h:994, > from arch/sparc/include/asm/io.h:22, > from arch/sparc/vdso/vclock_gettime.c:18: > >> arch/sparc/include/asm/current.h:18:30: warning: call-clobbered register used for global register variable > 18 | register struct task_struct *current asm("g4"); > | ^~~~~~~ > arch/sparc/vdso/vclock_gettime.c:254:1: warning: no previous prototype for '__vdso_clock_gettime' [-Wmissing-prototypes] > 254 | __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec *ts) > | ^~~~~~~~~~~~~~~~~~~~ > arch/sparc/vdso/vclock_gettime.c:282:1: warning: no previous prototype for '__vdso_clock_gettime_stick' [-Wmissing-prototypes] > 282 | __vdso_clock_gettime_stick(clockid_t clock, struct __kernel_old_timespec *ts) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > arch/sparc/vdso/vclock_gettime.c:307:1: warning: no previous prototype for '__vdso_gettimeofday' [-Wmissing-prototypes] > 307 | __vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz) > | ^~~~~~~~~~~~~~~~~~~ > arch/sparc/vdso/vclock_gettime.c:343:1: warning: no previous prototype for '__vdso_gettimeofday_stick' [-Wmissing-prototypes] > 343 | __vdso_gettimeofday_stick(struct __kernel_old_timeval *tv, struct timezone *tz) > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > > > vim +18 arch/sparc/include/asm/current.h > > ^1da177e4c3f41 include/asm-sparc/current.h Linus Torvalds 2005-04-16 16 > ba89f59ab825d4 include/asm-sparc/current.h David S. Miller 2007-11-16 17 #ifdef CONFIG_SPARC64 > ba89f59ab825d4 include/asm-sparc/current.h David S. Miller 2007-11-16 @18 register struct task_struct *current asm("g4"); > ba89f59ab825d4 include/asm-sparc/current.h David S. Miller 2007-11-16 19 #endif > ^1da177e4c3f41 include/asm-sparc/current.h Linus Torvalds 2005-04-16 20 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests This doesn't seem even vaguely related to this patchset, possibly my not specifying that I am basing on mm-unstable may be a factor here.