linux-kernel - Re: [PATCH 3/3] powerpc: kprobes: emulate instructions on kprobe handler re-entry

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Message-Id: <20170214084246.GI29806@in.ibm.com>
Date:   Tue, 14 Feb 2017 14:12:46 +0530
From:   Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>
To:     "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 3/3] powerpc: kprobes: emulate instructions on kprobe
 handler re-entry

On Tue, Feb 14, 2017 at 02:08:03PM +0530, Naveen N. Rao wrote:
> On kprobe handler re-entry, try to emulate the instruction rather than
> single stepping always.
> 
> As a related change, remove the duplicate saving of msr as that is
> already done in set_current_kprobe()
> 
> Signed-off-by: Naveen N. Rao <naveen.n.rao@...ux.vnet.ibm.com>

Acked-by: Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>