Re: next-20190125 - objtool complains about dumpstack

[Josh Poimboeuf]

On Sun, Jan 27, 2019 at 10:45:03PM -0500, valdis.kletnieks@xxxxxx wrote:
> Seen in a build:
> 
>   CC      arch/x86/kernel/dumpstack.o
> arch/x86/kernel/dumpstack.o: warning: objtool: oops_begin()+0x9: undefined stack state
> arch/x86/kernel/dumpstack.o: warning: objtool: oops_begin()+0x0: stack state mismatch: cfa1=6+16 cfa2=7+8
> 
> Probably a gcc9 code generation that objtool doesn't know about?

Can you share the .o file?

-- 
Josh