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powerpc/perf: Cap 64bit userspace backtraces to PERF_MAX_STACK_DEPTH
authorAnton Blanchard <anton@samba.org>
Mon, 13 Apr 2015 21:51:03 +0000 (07:51 +1000)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 6 Aug 2015 23:32:04 +0000 (00:32 +0100)
commit 9a5cbce421a283e6aea3c4007f141735bf9da8c3 upstream.

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

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
arch/powerpc/kernel/perf_callchain.c patch | blob | history

diff --cc arch/powerpc/kernel/perf_callchain.c
Simple merge
Pandora Kernel Repository