linux-kernel - Re: [PATCH 0/3] x86: Fix pt

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Message-ID: <20090211114224.GA23873@elte.hu>
Date:	Wed, 11 Feb 2009 12:42:24 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Brian Gerst <brgerst@...il.com>
Cc:	Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 0/3] x86: Fix pt_regs passed by value


* Brian Gerst <brgerst@...il.com> wrote:

> Several syscalls and one trap handler currently rely on the pt_regs
> struct being passed in by value.  This causes problems with stack
> protector, and can also cause problems with corruption due to tail-call
> optimization.  Change them to use a pointer to the pt_regs struct
> instead.

looks good! Applied them to tip:core/percpu, thanks Brian.

Tejun, i have added your Acked-by lines. (let me know if that's
incorrect). The review feedback you gave is correct and can/should
be addressed in separate patches.

	Ingo
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