Messages in this thread | | | Subject | Re: [kbuild-all] Re: [paulmck-rcu:dev.2022.02.17a 73/73] make[3]: *** No rule to make target 'kernel/rcu/typesafe.o', needed by 'kernel/rcu/built-in.a'. | From | "Chen, Rong A" <> | Date | Wed, 23 Feb 2022 18:14:52 +0800 |
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On 2/22/2022 10:53 PM, Paul E. McKenney wrote: > On Tue, Feb 22, 2022 at 04:30:40PM +0800, Chen, Rong A wrote: >> >> >> On 2/22/2022 5:47 AM, Paul E. McKenney wrote: >>> On Tue, Feb 22, 2022 at 03:05:27AM +0800, kernel test robot wrote: >>>> Hi Paul, >>>> >>>> First bad commit (maybe != root cause): >>>> >>>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2022.02.17a >>>> head: f5b2eaf791ebbd6af881947ab7c40ed70681e534 >>>> commit: f5b2eaf791ebbd6af881947ab7c40ed70681e534 [73/73] EXP torture: Add tests demoing SLAB_TYPESAFE_BY_RCU >>>> config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220222/202202220308.TNib9D2v-lkp@intel.com/config) >>>> compiler: arceb-elf-gcc (GCC) 11.2.0 >>>> 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://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=f5b2eaf791ebbd6af881947ab7c40ed70681e534 >>>> git remote add paulmck-rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git >>>> git fetch --no-tags paulmck-rcu dev.2022.02.17a >>>> git checkout f5b2eaf791ebbd6af881947ab7c40ed70681e534 >>>> # save the config file to linux build tree >>>> mkdir build_dir >>>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash >>>> >>>> If you fix the issue, kindly add following tag as appropriate >>>> Reported-by: kernel test robot <lkp@intel.com> >>>> >>>> All errors (new ones prefixed by >>): >>>> >>>>>> make[3]: *** No rule to make target 'kernel/rcu/typesafe.o', needed by 'kernel/rcu/built-in.a'. >>>> make[3]: Target '__build' not remade because of errors. >>> >>> This is the only commit involving kernel/rcu/typesafe.o, so... >>> >>> One the one hand, I do not plan to upstream this, so maybe it doesn't >>> matter. >>> >>> I have been building this using the rcutorture scripting for some time, >>> same RCU-related .config as you are using. But when I pulled it into >>> a clone in a neighboring directory, it failed just as it did for you. >>> The problem was that the update to kernel/rcu/Makefile somehow didn't >>> come across, so this line was missing: >>> >>> obj-$(CONFIG_RCU_TYPESAFE_TEST) += typesafe.o >>> >>> Which of course explains the build failure. >>> >>> I blew away that clone and re-cloned it. And it still failed, both >>> with "make" from the commandline and under rcutorture. >>> >>> Hahahahahahaahaha!!! >>> >>> I forgot "git add kernel/rcu/typesafe.c". >>> >>> There is now a new typesafe.2022.02.21a tag with this file added. >>> >>> Good catch! That file happened to still be lying around. The first >>> "git reset --hard" would have destroyed. Thank you!!! >>> >>> And with that fixed, my clone now builds correctly. Does this fix >>> it for you? >> >> Hi Paul, >> >> I can't find the tag 'typesafe.2022.02.21a' from https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/refs/tags > > That would be because I failed to push it out. :-/ > > Which I just now did, apologies for my confusion. > > Thanx, Paul
Hi Paul,
I have tested the tag, yes, it's fixed.
Best Regards, Rong Chen
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