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 Thread Josh Poimboeuf
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 >

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 Thread Josh Poimboeuf
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 >

arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code_direct()+0x2d: sibling call from callable instruction with modified stack frame

2017-07-06 Thread Mike Galbraith
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

arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code_direct()+0x2d: sibling call from callable instruction with modified stack frame

2017-07-06 Thread Mike Galbraith
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