linux-kernel - Re: [PATCH 1/2] ptrace/x86: simplify the "disable" logic in ptrace_write

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Message-ID: <20130416000314.GF17561@somewhere.redhat.com>
Date:	Tue, 16 Apr 2013 02:03:16 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Ingo Molnar <mingo@...e.hu>,
	Jan Kratochvil <jan.kratochvil@...hat.com>,
	Maneesh Soni <maneesh@...ux.vnet.ibm.com>,
	Prasad <prasad@...ux.vnet.ibm.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ptrace/x86: simplify the "disable" logic in
 ptrace_write_dr7()

On Sun, Apr 14, 2013 at 09:12:28PM +0200, Oleg Nesterov wrote:
> ptrace_write_dr7() looks unnecessarily overcomplicated. We can
> factor out ptrace_modify_breakpoint() and do not do "continue"
> twice, just we need to pass the proper "disabled" argument to
> ptrace_modify_breakpoint().
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: Frederic Weisbecker <fweisbec@...il.com>
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