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 | Tue, 22 Feb 2022 16:30:40 +0800 |
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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
Best Regards, Rong Chen
> > Thanx, Paul > _______________________________________________ > kbuild-all mailing list -- kbuild-all@lists.01.org > To unsubscribe send an email to kbuild-all-leave@lists.01.org >
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