From: William Lee Irwin III <wli@holomorphy.com>
To: Benjamin LaHaise <bcrl@redhat.com>
Cc: Andrew Morton <akpm@digeo.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch] remove hugetlb syscalls
Date: Thu, 14 Nov 2002 13:31:54 -0800 [thread overview]
Message-ID: <20021114213154.GN23425@holomorphy.com> (raw)
In-Reply-To: <20021114161134.E20258@redhat.com>
On Thu, Nov 14, 2002 at 04:11:34PM -0500, Benjamin LaHaise wrote:
> Oracle does not run as root, so they can't even use the syscalls
> directly. At least with hugetlbfs we can chmod the filesystem to be
> owned by the oracle user.
Okay, the advantage with respect to permissions is clear; now there is
a correction to the permissions checking I should do, as CAP_IPC_LOCK
is currently checked in ->f_ops->mmap(), but the permissions are
enforcible by means of ordinary vfs permissions, and so it's redundant.
Bill
WARNING: multiple messages have this Message-ID (diff)
From: William Lee Irwin III <wli@holomorphy.com>
To: Benjamin LaHaise <bcrl@redhat.com>
Cc: Andrew Morton <akpm@digeo.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch] remove hugetlb syscalls
Date: Thu, 14 Nov 2002 13:31:54 -0800 [thread overview]
Message-ID: <20021114213154.GN23425@holomorphy.com> (raw)
In-Reply-To: <20021114161134.E20258@redhat.com>
On Thu, Nov 14, 2002 at 04:11:34PM -0500, Benjamin LaHaise wrote:
> Oracle does not run as root, so they can't even use the syscalls
> directly. At least with hugetlbfs we can chmod the filesystem to be
> owned by the oracle user.
Okay, the advantage with respect to permissions is clear; now there is
a correction to the permissions checking I should do, as CAP_IPC_LOCK
is currently checked in ->f_ops->mmap(), but the permissions are
enforcible by means of ordinary vfs permissions, and so it's redundant.
Bill
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next prev parent reply other threads:[~2002-11-15 0:33 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-13 23:45 [patch] remove hugetlb syscalls Benjamin LaHaise
2002-11-13 23:45 ` Benjamin LaHaise
2002-11-14 0:42 ` Rik van Riel
2002-11-14 0:42 ` Rik van Riel
2002-11-14 8:52 ` dada1
2002-11-14 8:52 ` dada1
2002-11-14 14:13 ` Christoph Hellwig
2002-11-14 14:13 ` Christoph Hellwig
[not found] ` <ugel9oa vk4.fsf@panda.mostang.com>
2002-11-14 15:13 ` dada1
2002-11-14 15:13 ` dada1
2002-11-14 15:31 ` Benjamin LaHaise
2002-11-14 15:31 ` Benjamin LaHaise
2002-11-14 15:38 ` dada1
2002-11-14 15:38 ` dada1
2002-11-14 20:11 ` Rohit Seth
2002-11-14 20:11 ` Rohit Seth
2002-11-14 20:36 ` William Lee Irwin III
2002-11-14 20:36 ` William Lee Irwin III
[not found] ` <3DD3FED2.2010901@unix-os.sc.intel.com>
2002-11-14 20:01 ` Benjamin LaHaise
2002-11-14 20:01 ` Benjamin LaHaise
2002-11-14 21:06 ` Benjamin LaHaise
2002-11-14 21:06 ` Benjamin LaHaise
2002-11-14 17:51 ` David Mosberger-Tang
2002-11-14 18:31 ` Alan Cox
2002-11-14 18:53 ` David Mosberger-Tang
2002-11-14 19:52 ` Alan Cox
2002-11-14 20:14 ` Alan Cox
2002-11-16 18:23 ` Jan Niehusmann
2002-11-14 20:34 ` William Lee Irwin III
2002-11-14 21:31 ` David Mosberger-Tang
2002-11-14 21:38 ` William Lee Irwin III
2002-11-14 21:46 ` David Mosberger-Tang
2002-11-14 19:28 ` Jeff Garzik
2002-11-14 20:15 ` Alan Cox
2002-11-16 18:00 ` Rik van Riel
2002-11-16 18:15 ` Linus Torvalds
2002-11-14 20:30 ` William Lee Irwin III
2002-11-14 20:30 ` William Lee Irwin III
2002-11-14 20:48 ` Benjamin LaHaise
2002-11-14 20:48 ` Benjamin LaHaise
2002-11-14 21:02 ` William Lee Irwin III
2002-11-14 21:02 ` William Lee Irwin III
2002-11-14 21:11 ` Benjamin LaHaise
2002-11-14 21:11 ` Benjamin LaHaise
2002-11-14 21:31 ` William Lee Irwin III [this message]
2002-11-14 21:31 ` William Lee Irwin III
2002-11-14 21:40 ` Rohit Seth
2002-11-14 21:40 ` Rohit Seth
2002-11-14 21:59 ` Benjamin LaHaise
2002-11-14 21:59 ` Benjamin LaHaise
2002-11-14 21:06 ` Benjamin LaHaise
2002-11-14 21:06 ` Benjamin LaHaise
2002-11-14 21:06 ` Benjamin LaHaise
2002-11-14 21:06 ` Benjamin LaHaise
-- strict thread matches above, loose matches on Subject: below --
2002-11-14 22:12 Seth, Rohit
2002-11-14 22:12 ` Seth, Rohit
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