From: Michel Lespinasse <walken@google.com>
To: Stephen Wilson <wilsons@start.ca>
Cc: x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux390@de.ibm.com, Paul Mundt <lethal@linux-sh.org>,
Andi Kleen <ak@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Alexander Viro <viro@zeniv.linux.org.uk>,
linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
linux-sh@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/5] make *_gate_vma accept mm_struct instead of task_struct
Date: Wed, 9 Mar 2011 05:09:09 -0800 [thread overview]
Message-ID: <AANLkTikTEi8uKeCfPLoenNx9g6fLyAqNqfVdR=4KzNB3@mail.gmail.com> (raw)
In-Reply-To: <1299630721-4337-1-git-send-email-wilsons@start.ca>
On Tue, Mar 8, 2011 at 4:31 PM, Stephen Wilson <wilsons@start.ca> wrote:
> Morally, the question of whether an address lies in a gate vma should be asked
> with respect to an mm, not a particular task.
>
> Practically, dropping the dependency on task_struct will help make current and
> future operations on mm's more flexible and convenient. In particular, it
> allows some code paths to avoid the need to hold task_lock.
Reviewed-by: Michel Lespinasse <walken@google.com>
May I suggest ia32_compat instead of just compat for the flag name ?
--
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.
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next prev parent reply other threads:[~2011-03-09 13:09 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-09 0:31 Stephen Wilson
2011-03-09 0:31 ` [PATCH 1/5] x86: add context tag to mark mm when running a task in 32-bit compatibility mode Stephen Wilson
2011-03-09 0:31 ` [PATCH 2/5] x86: mark associated mm when running a task in 32 bit " Stephen Wilson
2011-03-09 0:31 ` [PATCH 3/5] mm: arch: make get_gate_vma take an mm_struct instead of a task_struct Stephen Wilson
2011-03-09 0:32 ` [PATCH 4/5] mm: arch: make in_gate_area " Stephen Wilson
2011-03-09 0:32 ` [PATCH 5/5] mm: arch: rename in_gate_area_no_task to in_gate_area_no_mm Stephen Wilson
2011-03-09 13:09 ` Michel Lespinasse [this message]
2011-03-09 14:14 ` [PATCH 0/5] make *_gate_vma accept mm_struct instead of task_struct Stephen Wilson
2011-03-10 16:00 ` Andi Kleen
2011-03-10 16:38 ` [PATCH 0/5] make *_gate_vma accept mm_struct instead of task_struct II Andi Kleen
2011-03-10 16:54 ` Stephen Wilson
2011-03-10 17:03 ` Andi Kleen
2011-03-10 17:22 ` H. Peter Anvin
2011-03-10 16:40 ` [PATCH 0/5] make *_gate_vma accept mm_struct instead of task_struct Stephen Wilson
2011-03-10 17:15 ` H. Peter Anvin
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