On Wed 13-04-16 11:08:30, Ingo Molnar wrote:
>
> * Michal Hocko <mhocko@xxxxxxxxxx> wrote:
[...]
> > +ENTRY(call_rwsem_down_write_failed_killable)
> > + save_common_regs
> > + movq %rax,%rdi
> > + call rwsem_down_write_failed_killable
> > + restore_common_regs
> > + ret
> > +ENDPROC(call_rwsem_down_write_failed_killable)
>
> Got this objtool warning on x86-64 allyesconfig:
>
> arch/x86/lib/rwsem.o: warning: objtool: call_rwsem_down_write_failed_killable()+0xe: call without frame pointer save/setup
Peter has already pointed that out. This is because the 4.5 which I was
basing my work on doesn't have 3387a535ce62 ("x86/asm: Create stack
frames in rwsem functions") which shown up in 4.6-rc1. He mentioned to
add the missing FRAME_{BEGIN,END} during the merge AFAIR.
Does that sound reasonable to you or should I rebase?
--
Michal Hocko
SUSE Labs
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