Messages in this thread | | | From | Nick Desaulniers <> | Date | Tue, 17 Mar 2020 16:43:47 -0700 | Subject | Re: [PATCH v2 19/19] objtool: Detect loading function pointers across noinstr |
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Just needs a `default:` case. From personal experience, this warning helps you track down every switch on an enum when you add a new enumeration value.
Ignore the dtc-lexer failure, that's a separate known issue.
On Tue, Mar 17, 2020 at 4:40 PM kbuild test robot <lkp@intel.com> wrote: > > Hi Peter, > > I love your patch! Yet something to improve: > > [auto build test ERROR on tip/auto-latest] > [also build test ERROR on next-20200317] > [cannot apply to tip/x86/core linux/master linus/master v5.6-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/Peter-Zijlstra/objtool-vmlinux-o-and-noinstr-validation/20200318-035709 > base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 3168392536d32920349af53bdd108e3b92b10f4f > config: x86_64-allyesconfig (attached as .config) > compiler: clang version 11.0.0 (git://gitmirror/llvm_project 14a1b80e044aac1947c891525cf30521be0a79b7) > reproduce: > # FIXME the reproduce steps for clang is not ready yet > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@intel.com> > > All errors (new ones prefixed by >>): > > >> check.c:2131:10: error: 12 enumeration values not handled in switch: 'INSN_JUMP_DYNAMIC', 'INSN_JUMP_DYNAMIC_CONDITIONAL', 'INSN_RETURN'... [-Werror,-Wswitch] > switch (insn->type) { > ^ > 1 error generated. > mv: cannot stat 'tools/objtool/.check.o.tmp': No such file or directory > make[4]: *** [tools/build/Makefile.build:96: tools/objtool/check.o] Error 1 > /usr/bin/ld: scripts/dtc/dtc-parser.tab.o:(.bss+0x10): multiple definition of `yylloc'; scripts/dtc/dtc-lexer.lex.o:(.bss+0x58): first defined here > clang-11: error: linker command failed with exit code 1 (use -v to see invocation) > make[2]: *** [scripts/Makefile.host:116: scripts/dtc/dtc] Error 1 > make[2]: Target '__build' not remade because of errors. > make[1]: *** [Makefile:1261: scripts_dtc] Error 2 > make[4]: Target '__build' not remade because of errors. > make[3]: *** [Makefile:46: tools/objtool/objtool-in.o] Error 2 > make[3]: Target 'all' not remade because of errors. > make[2]: *** [Makefile:68: objtool] Error 2 > make[1]: *** [Makefile:1787: tools/objtool] Error 2 > make[1]: Target 'prepare' not remade because of errors. > make: *** [Makefile:180: sub-make] Error 2 > 10 real 23 user 18 sys 399.16% cpu make prepare > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org > > -- > You received this message because you are subscribed to the Google Groups "Clang Built Linux" group. > To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/202003180747.qU4yJl06%25lkp%40intel.com.
-- Thanks, ~Nick Desaulniers
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