On Thu, Jun 20, 2013 at 09:33:28AM +0100, Ingo Molnar wrote:
>
> * Jed Davis <j...@mozilla.com> wrote:
>
> > With this change, we no longer lose the innermost entry in the user-mode
> > part of the call chain. See also the x86 port, which includes the ip,
> > and the corresponding change in arch/arm.
> >
> > Signed-off-by: Jed Davis <j...@mozilla.com>
> > ---
> > arch/arm64/kernel/perf_event.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
> > index 1e49e5eb..9ba33c4 100644
> > --- a/arch/arm64/kernel/perf_event.c
> > +++ b/arch/arm64/kernel/perf_event.c
> > @@ -1336,6 +1336,7 @@ void perf_callchain_user(struct perf_callchain_entry
> > *entry,
> > return;
> > }
> >
> > + perf_callchain_store(entry, regs->pc);
> > tail = (struct frame_tail __user *)regs->regs[29];
> >
> > while (entry->nr < PERF_MAX_STACK_DEPTH &&
>
> Acked-by: Ingo Molnar <mi...@kernel.org>
>
> I suspect this goes to v3.10 via the ARM64 tree?
Yup, we'll take this via the arm64 tree, thanks.
Catalin, you can add:
Acked-by: Will Deacon <will.dea...@arm.com>
to this.
Cheers,
Will
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