From: Oleg Nesterov <oleg@redhat.com>
Date: Sun, 21 Apr 2013 06:47:59 +0000 (+0000)
Subject: ptrace/powerpc: Don't flush_ptrace_hw_breakpoint() on fork()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~66^2~75
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=28d170abad3d6dfbe7309c0097d7de8a51c6b779;p=pandora-kernel.git

ptrace/powerpc: Don't flush_ptrace_hw_breakpoint() on fork()

arch_dup_task_struct() does flush_ptrace_hw_breakpoint(src), this
destroys the parent's breakpoints for no reason. We should clear
child->thread.ptrace_bps[] copied by dup_task_struct() instead.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

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