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SubjectRe: next-20190125 - objtool complains about dumpstack
On Sun, Jan 27, 2019 at 10:45:03PM -0500, valdis.kletnieks@vt.edu 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

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