On Tue, Jan 12, 2016 at 11:50:31AM -0600, Josh Poimboeuf wrote:
> Hm, that's kind of shocking.

I grepped like this

$ grep -c stacktool w.log

so that ~1000 is all lines with stacktool in them in the build log.

Here's the output again, this time sorted (offsets removed so that I can
aggregate the lines):

$ grep stacktool w.log | sed 's/+.*://' | sort | uniq -c | sort -n

	...

      2 stacktool: kernel/panic.o: nmi_panic_self_stop() function has unreachable instruction
      2 stacktool: kernel/sched/core.o: __schedule() frame pointer state mismatch
      3 stacktool: arch/x86/kernel/mcount_64.o: .entry.text return instruction outside of a callable function
      6 stacktool: arch/x86/entry/entry_64.o: .entry.text return instruction outside of a callable function
     10 stacktool: arch/x86/kvm/svm.o: svm_vcpu_run() call without frame pointer save/setup
     24 stacktool: arch/x86/crypto/camellia-aesni-avx2-asm_64.o: __camellia_dec_blk32() call without frame pointer save/setup
     24 stacktool: arch/x86/crypto/camellia-aesni-avx2-asm_64.o: __camellia_enc_blk32() call without frame pointer save/setup
     24 stacktool: arch/x86/crypto/camellia-aesni-avx-asm_64.o: __camellia_dec_blk16() call without frame pointer save/setup
     24 stacktool: arch/x86/crypto/camellia-aesni-avx-asm_64.o: __camellia_enc_blk16() call without frame pointer save/setup
   1089 stacktool: kernel/bpf/core.o: __bpf_prog_run() function has unreachable instruction

> Any chance you have CONFIG_GCOV_KERNEL enabled?

Nope.

> Otherwise, if you don't have gcov enabled, can you share your .config?

Attached.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.