From 9a5cbce421a283e6aea3c4007f141735bf9da8c3 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Tue, 14 Apr 2015 07:51:03 +1000
Subject: [PATCH] powerpc/perf: Cap 64bit userspace backtraces to
 PERF_MAX_STACK_DEPTH

We cap 32bit userspace backtraces to PERF_MAX_STACK_DEPTH
(currently 127), but we forgot to do the same for 64bit backtraces.

Cc: stable@vger.kernel.org
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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