linux-kernel - Re: [PATCH -tip v5 5/7] x86: fix kernel_trap

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Message-ID: <4A082CC4.5000601@redhat.com>
Date:	Mon, 11 May 2009 09:48:52 -0400
From:	Masami Hiramatsu <mhiramat@...hat.com>
To:	Christoph Hellwig <hch@...radead.org>
CC:	Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>,
	lkml <linux-kernel@...r.kernel.org>,
	systemtap <systemtap@...rces.redhat.com>,
	kvm <kvm@...r.kernel.org>,
	Harvey Harrison <harvey.harrison@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jan Blunck <jblunck@...e.de>
Subject: Re: [PATCH -tip v5 5/7] x86: fix kernel_trap_sp()

Christoph Hellwig wrote:
> On Fri, May 08, 2009 at 08:49:04PM -0400, Masami Hiramatsu wrote:
>> Use &regs->sp instead of regs for getting the top of stack in kernel mode.
>> (on x86-64, regs->sp always points the top of stack)
> 
> Shouldn't this patch be sent for inclusion ASAP instead of sitting in
> this series?

Yes, and it's just for asking a comment from oprofile developers,
because this change will change its behavior a bit.

Anyway, I'll post it separately against upstream.

Thank you,

-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@...hat.com

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