linux-kernel - Re: [PATCH v2 4/4] uprobes/powerpc: Make use of generic routines to enable single step

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Message-ID: <20121210103545.GC31751@in.ibm.com>
Date:	Mon, 10 Dec 2012 16:05:46 +0530
From:	Ananth N Mavinakayanahalli <ananth@...ibm.com>
To:	"Suzuki K. Poulose" <suzuki@...ibm.com>
Cc:	bigeasy@...utronix.de, oleg@...hat.com, srikar@...ux.vnet.ibm.com,
	peterz@...radead.org, benh@...nel.crashing.org, mingo@...e.hu,
	anton@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/4] uprobes/powerpc: Make use of generic routines
	to enable single step

On Mon, Dec 03, 2012 at 08:40:32PM +0530, Suzuki K. Poulose wrote:
> From: Suzuki K. Poulose <suzuki@...ibm.com>
> 
> Replace the ptrace helpers with the powerpc generic routines to
> enable/disable single step. We save/restore the MSR (and DCBR for BookE)
> across for the operation. We don't have to disable the single step,
> as restoring the MSR/DBCR would restore the previous state.
> 
> Signed-off-by: Suzuki K. Poulose <suzuki@...ibm.com>

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

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