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Date: Mon, 3 Mar 2014 17:18:16 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: "H. Peter Anvin" <hpa@...or.com>
Cc: linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Peter Zijlstra <peterz@...radead.org>,
Frederic Weisbecker <fweisbec@...il.com>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Petr Mladek <pmladek@...e.cz>, stable@...r.kernel.org
Subject: Re: [RFA][PATCH 1/5] ftrace/x86: Run a sync after fixup on failure
On Mon, 03 Mar 2014 14:12:22 -0800
"H. Peter Anvin" <hpa@...or.com> wrote:
> On 02/27/2014 07:46 AM, Steven Rostedt wrote:
> > The second bug was that the removal of the breakpoints required the
> > "within()" logic updates instead of accessing the ip address directly.
>
> Please update this bit to clarify, as we discussed on IRC.
How's this sound:
The second bug was that the removal of the breakpoints required the
"within()" logic updates instead of accessing the ip address directly.
As kernel text is mapped read-only when CONFIG_DEBUG_RODATA is set, and
the removal of the breakpoint is a modification of kernel text.
>
> Otherwise:
>
> Acked-by: H. Peter Anvin <hpa@...ux.intel.com>
Thanks!
-- Steve
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