* arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code_direct()+0x2d: sibling call from callable instruction with modified stack frame
@ 2017-07-06 14:09 Mike Galbraith
2017-07-06 14:31 ` Josh Poimboeuf
0 siblings, 1 reply; 2+ messages in thread
From: Mike Galbraith @ 2017-07-06 14:09 UTC (permalink / raw)
To: LKML; +Cc: Steven Rostedt, Josh Poimboeuf
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Greetings,
I'm seeing $subject in master as of this merge window. I don't see it
with my usual stripped down PREEMPT_VOLUNTARY or an enterprise-ish
NOPREEMPT config, but do see it with the attached, derived from my
enterprise-ish PREEMPT_RT config after running make oldconfig on it,
and reproducing the warning in virgin source.
-Mike
[-- Attachment #2: config.xz --]
[-- Type: application/x-xz, Size: 37728 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code_direct()+0x2d: sibling call from callable instruction with modified stack frame
2017-07-06 14:09 arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code_direct()+0x2d: sibling call from callable instruction with modified stack frame Mike Galbraith
@ 2017-07-06 14:31 ` Josh Poimboeuf
0 siblings, 0 replies; 2+ messages in thread
From: Josh Poimboeuf @ 2017-07-06 14:31 UTC (permalink / raw)
To: Mike Galbraith; +Cc: LKML, Steven Rostedt
On Thu, Jul 06, 2017 at 04:09:18PM +0200, Mike Galbraith wrote:
> Greetings,
>
> I'm seeing $subject in master as of this merge window. I don't see it
> with my usual stripped down PREEMPT_VOLUNTARY or an enterprise-ish
> NOPREEMPT config, but do see it with the attached, derived from my
> enterprise-ish PREEMPT_RT config after running make oldconfig on it,
> and reproducing the warning in virgin source.
Thanks, looks like an objtool bug. Will fix.
--
Josh
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-07-06 14:09 arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code_direct()+0x2d: sibling call from callable instruction with modified stack frame Mike Galbraith
2017-07-06 14:31 ` Josh Poimboeuf
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