On Mon, Jul 01, 2024 at 08:39:03PM GMT, Nicholas Piggin wrote:
> On Fri Jun 21, 2024 at 4:54 AM AEST, Naveen N Rao wrote:
> > Function profile sequence on powerpc includes two instructions at the
> > beginning of each function:
> > mflrr0
> > bl ftrace_caller
> >
> > The call to
On Fri Jun 21, 2024 at 4:54 AM AEST, Naveen N Rao wrote:
> Function profile sequence on powerpc includes two instructions at the
> beginning of each function:
> mflrr0
> bl ftrace_caller
>
> The call to ftrace_caller() gets nop'ed out during kernel boot and is
> patched in
Function profile sequence on powerpc includes two instructions at the
beginning of each function:
mflrr0
bl ftrace_caller
The call to ftrace_caller() gets nop'ed out during kernel boot and is
patched in when ftrace is enabled.
Given the sequence, we cannot return from
