From: Tejun Heo <tj@kernel.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Brian Gerst <brgerst@gmail.com>,
linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 0/3] x86: Fix pt_regs passed by value
Date: Wed, 11 Feb 2009 23:15:42 +0900 [thread overview]
Message-ID: <4992DD8E.2080809@kernel.org> (raw)
In-Reply-To: <20090211114224.GA23873@elte.hu>
Ingo Molnar wrote:
> * Brian Gerst <brgerst@gmail.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.
Yeah, sure. I like the direction. Brian, are you interested in
pursuing further changes?
Thanks.
--
tejun
prev parent reply other threads:[~2009-02-11 14:16 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-10 14:51 [PATCH 0/3] x86: Fix pt_regs passed by value Brian Gerst
2009-02-10 14:51 ` [PATCH 1/3] x86: Use pt_regs pointer in do_device_not_available() Brian Gerst
2009-02-11 7:43 ` Tejun Heo
2009-02-11 10:13 ` Ingo Molnar
2009-02-11 14:34 ` Brian Gerst
2009-02-11 14:42 ` Tejun Heo
2009-02-11 14:46 ` Brian Gerst
2009-02-11 14:53 ` Tejun Heo
2009-02-10 14:51 ` [PATCH 2/3] x86: Pass in pt_regs pointer for syscalls that need it Brian Gerst
2009-02-11 7:41 ` Tejun Heo
2009-02-11 10:18 ` Ingo Molnar
2009-02-11 14:14 ` Tejun Heo
2009-02-11 14:31 ` Brian Gerst
2009-02-11 14:41 ` Tejun Heo
2009-02-11 14:43 ` Tejun Heo
2009-02-11 14:48 ` Tejun Heo
2009-02-11 14:58 ` Ingo Molnar
2009-02-11 14:59 ` Brian Gerst
2009-02-11 15:05 ` Tejun Heo
2009-02-11 15:10 ` Brian Gerst
2009-02-11 15:14 ` Tejun Heo
2009-02-11 15:59 ` Ingo Molnar
2009-02-12 1:12 ` Tejun Heo
2009-02-11 15:01 ` Ingo Molnar
2009-02-11 17:52 ` H. Peter Anvin
2009-02-11 18:27 ` Brian Gerst
2009-02-11 19:50 ` H. Peter Anvin
2009-02-11 19:57 ` Brian Gerst
2009-02-11 20:00 ` H. Peter Anvin
2009-02-11 21:43 ` [PATCH] x86: pass in pt_regs pointer for syscalls that need it (take 2) Brian Gerst
2009-02-11 21:50 ` H. Peter Anvin
2009-02-11 22:06 ` H. Peter Anvin
2009-02-12 11:02 ` Ingo Molnar
2009-02-10 14:51 ` [PATCH 3/3] x86: Drop -fno-stack-protector after pt_regs fixes Brian Gerst
2009-02-11 11:42 ` [PATCH 0/3] x86: Fix pt_regs passed by value Ingo Molnar
2009-02-11 14:15 ` Tejun Heo [this message]
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