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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Pierre Peiffer <pierre.peiffer@bull.net>
Cc: Eric Dumazet <dada1@cosmosbay.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Dave Jones <davej@redhat.com>, Ulrich Drepper <drepper@gmail.com>,
	Ingo Molnar <mingo@elte.hu>, Andi Kleen <ak@suse.de>,
	Ravikiran G Thirumalai <kiran@scalex86.org>,
	"Shai Fultheim (Shai@scalex86.org)" <shai@scalex86.org>,
	pravin b shelar <pravin.shelar@calsoftinc.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH, take4] FUTEX : new PRIVATE futexes
Date: Wed, 11 Apr 2007 19:39:02 +1000	[thread overview]
Message-ID: <461CACB6.8080307@yahoo.com.au> (raw)
In-Reply-To: <461CAAA9.2090309@bull.net>

Pierre Peiffer wrote:
> Nick Piggin a écrit :
> 
>>
>> But... that isn't there in mainline. Why is it in -mm?
> 
> 
> This was introduced by lguest code....
> I did not follow exaclty why.

OK, that's no problem, then it can remain exported but we just
have to document and audit that callers must pass in an aligned
address. We can also BUG_ON(address & ~PAGE_MASK); to handle
the security aspect.

-- 
SUSE Labs, Novell Inc.

  reply	other threads:[~2007-04-11  9:39 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-08  7:07 [RFC] NUMA futex hashing Ravikiran G Thirumalai
2006-08-08  9:14 ` Eric Dumazet
2006-08-08 20:31   ` Ravikiran G Thirumalai
2006-08-08  9:37 ` Jes Sorensen
2006-08-08  9:58   ` Andi Kleen
2006-08-08 10:07     ` Jes Sorensen
2006-08-08  9:57 ` Andi Kleen
2006-08-08 10:10   ` Eric Dumazet
2006-08-08 10:36     ` Andi Kleen
2006-08-08 12:29       ` Eric Dumazet
2006-08-08 12:47         ` Andi Kleen
2006-08-08 12:57           ` Eric Dumazet
2006-08-08 14:39             ` Ulrich Drepper
2006-08-08 15:11               ` Nick Piggin
2006-08-08 15:36                 ` Ulrich Drepper
2006-08-08 16:22                   ` Nick Piggin
2006-08-08 16:26                     ` Nick Piggin
2006-08-08 16:49                     ` Ulrich Drepper
2006-08-08 16:08                 ` Eric Dumazet
2006-08-08 16:34                   ` Nick Piggin
2006-08-08 16:49                     ` Eric Dumazet
2006-08-08 16:59                       ` Eric Dumazet
2006-08-09  1:56                       ` Nick Piggin
2006-08-08 16:58                   ` Ulrich Drepper
2006-08-08 17:08                     ` Eric Dumazet
2006-08-09  1:58                     ` Nick Piggin
2006-08-09  6:26                       ` Eric Dumazet
2006-08-09  6:43                         ` Eric Dumazet
2007-03-15 19:10                           ` [PATCH 0/3] FUTEX : new PRIVATE futexes, SMP and NUMA improvements Eric Dumazet
2007-03-15 20:15                             ` Nick Piggin
2007-03-16  8:05                             ` Peter Zijlstra
2007-03-16  9:30                               ` Eric Dumazet
2007-03-16 10:10                                 ` Peter Zijlstra
2007-03-16 10:30                                   ` Eric Dumazet
2007-03-16 10:36                                     ` Peter Zijlstra
2007-04-04  7:16                             ` Ulrich Drepper
2007-04-05 17:49                               ` [PATCH] FUTEX : new PRIVATE futexes Eric Dumazet
2007-04-05 20:43                                 ` Ulrich Drepper
2007-04-06  1:19                                 ` Nick Piggin
2007-04-06  5:53                                   ` Eric Dumazet
2007-04-06 11:50                                     ` Nick Piggin
2007-04-06  6:05                                   ` Hugh Dickins
2007-04-06 17:41                                     ` Jan Engelhardt
2007-04-06 12:26                                 ` Shared futexes (was [PATCH] FUTEX : new PRIVATE futexes) Peter Zijlstra
2007-04-06 13:02                                   ` Hugh Dickins
2007-04-06 13:15                                     ` Peter Zijlstra
2007-04-06 13:15                                     ` Nick Piggin
2007-04-06 13:22                                       ` Peter Zijlstra
2007-04-06 13:40                                         ` Nick Piggin
2007-04-06 12:31                                 ` [PATCH] FUTEX : new PRIVATE futexes Peter Zijlstra
2007-04-07  8:43                                 ` [PATCH, take4] " Eric Dumazet
2007-04-07  9:30                                   ` Nick Piggin
2007-04-07 10:00                                     ` Eric Dumazet
2007-04-11  7:22                                       ` Nick Piggin
2007-04-11  8:14                                         ` Eric Dumazet
2007-04-11  9:23                                           ` Nick Piggin
2007-04-11  9:30                                             ` Pierre Peiffer
2007-04-11  9:39                                               ` Nick Piggin [this message]
2007-04-11  9:40                                                 ` Nick Piggin
2007-04-11  9:35                                             ` Eric Dumazet
2007-04-12  1:57                                               ` Nick Piggin
2007-04-07 11:18                                   ` Jakub Jelinek
2007-04-07 11:54                                     ` Eric Dumazet
2007-04-07 16:40                                       ` Ulrich Drepper
2007-04-07 22:15                                   ` Andrew Morton
2007-04-10  9:21                                     ` Eric Dumazet
2007-04-11  9:19                                   ` [PATCH, take5] " Eric Dumazet
2007-04-11 12:23                                     ` Rusty Russell
2007-04-26 12:55                                     ` [PATCH, take6] " Eric Dumazet
2007-04-26 13:35                                       ` Pierre Peiffer
2007-03-15 19:13                           ` [PATCH 1/3] FUTEX : introduce PROCESS_PRIVATE semantic Eric Dumazet
2007-03-15 19:16                           ` [PATCH 2/3] FUTEX : introduce private hashtables Eric Dumazet
2007-03-15 20:25                             ` Nick Piggin
2007-03-15 21:09                               ` Ulrich Drepper
2007-03-15 21:29                                 ` Nick Piggin
2007-03-15 22:59                               ` William Lee Irwin III
2007-03-15 19:20                           ` [PATCH 3/3] FUTEX : NUMA friendly global hashtable Eric Dumazet
2006-08-09  0:13     ` [RFC] NUMA futex hashing Ravikiran G Thirumalai

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