From: Stephen Wilson <wilsons@start.ca>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>,
Roland McGrath <roland@redhat.com>,
Matt Mackall <mpm@selenic.com>,
David Rientjes <rientjes@google.com>,
Nick Piggin <npiggin@kernel.dk>,
Andrea Arcangeli <aarcange@redhat.com>,
Mel Gorman <mel@csn.ul.ie>, Ingo Molnar <mingo@elte.hu>,
Michel Lespinasse <walken@google.com>,
Hugh Dickins <hughd@google.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/6] mm: use mm_struct to resolve gate vma's in __get_user_pages
Date: Wed, 9 Mar 2011 07:38:34 -0500 [thread overview]
Message-ID: <20110309123834.GA8236@fibrous.localdomain> (raw)
In-Reply-To: <20110309060617.GB22723@ZenIV.linux.org.uk>
On Wed, Mar 09, 2011 at 06:06:17AM +0000, Al Viro wrote:
> On Wed, Mar 09, 2011 at 02:19:30PM +0900, KOSAKI Motohiro wrote:
>
> > Hmm..
> > Is this works? In exec() case task has two mm, old and new-borned. tsk has
> > no enough information to detect gate area if 64bit process exec 32bit process
> > or oppsite case. On Linux, 32bit and 64bit processes have perfectly different
> > process vma layout.
> >
> > Am I missing something?
>
> Patch series refered to in [0/6] ;-) FWIW, that would probably be better
> off as one mail thread - would be easier to find.
OK. After the first half has gone thru review I will respin (with changes)
as a single series. I was actually hoping the split would make review a
little bit easier, but in retrospect I could have accomplished the same
thing by simply pointing out the two halves in the series "cover
letter".
--
steve
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next prev parent reply other threads:[~2011-03-09 12:39 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-09 0:42 [PATCH 0/6] enable writing to /proc/pid/mem Stephen Wilson
2011-03-09 0:42 ` [PATCH 1/6] mm: use mm_struct to resolve gate vma's in __get_user_pages Stephen Wilson
2011-03-09 5:19 ` KOSAKI Motohiro
2011-03-09 6:06 ` Al Viro
2011-03-09 12:38 ` Stephen Wilson [this message]
2011-03-09 0:42 ` [PATCH 2/6] mm: factor out main logic of access_process_vm Stephen Wilson
2011-03-09 0:42 ` [PATCH 3/6] mm: implement access_remote_vm Stephen Wilson
2011-03-09 0:42 ` [PATCH 4/6] proc: disable mem_write after exec Stephen Wilson
2011-03-09 5:22 ` KOSAKI Motohiro
2011-03-09 0:42 ` [PATCH 5/6] proc: make check_mem_permission() return an mm_struct on success Stephen Wilson
2011-03-09 6:20 ` KOSAKI Motohiro
2011-03-09 0:42 ` [PATCH 6/6] proc: enable writing to /proc/pid/mem Stephen Wilson
2011-03-09 1:30 ` [PATCH 0/6] " Al Viro
2011-03-09 2:15 ` Stephen Wilson
2011-03-09 2:33 ` Al Viro
2011-03-09 2:47 ` Stephen Wilson
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