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From: Matt Mackall <mpm@selenic.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Arjan van de Ven <arjan@infradead.org>, Jake Edge <jake@lwn.net>,
	security@kernel.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	James Morris <jmorris@namei.org>,
	linux-security-module@vger.kernel.org,
	Eric Paris <eparis@redhat.com>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Roland McGrath <roland@redhat.com>,
	mingo@redhat.com, Andrew Morton <akpm@linux-foundation.org>,
	Greg KH <greg@kroah.com>, Dave Jones <davej@redhat.com>
Subject: Re: [Security] [PATCH] proc: avoid information leaks to non-privileged processes
Date: Wed, 6 May 2009 11:25:43 -0500	[thread overview]
Message-ID: <20090506162543.GT31071@waste.org> (raw)
In-Reply-To: <20090506103034.GA25203@elte.hu>

On Wed, May 06, 2009 at 12:30:34PM +0200, Ingo Molnar wrote:
> (Also, obviously "only" covering 95% of the Linux systems has its 
> use as well. Most other architectures have their own cycle counters 
> as well.)

X86 might be 95% of desktop. But it's a small fraction of Linux
systems once you count cell phones, video players, TVs, cameras, GPS
devices, cars, routers, etc. almost none of which are x86-based. In
fact, just Linux cell phones (with about an 8% share of a 1.2billion
devices per year market) dwarf Linux desktops (maybe 5% of a
200m/y market).

-- 
Mathematics is the supreme nostalgia of our time.

  reply	other threads:[~2009-05-06 16:36 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-04 18:51 [PATCH] proc: avoid information leaks to non-privileged processes Jake Edge
2009-05-04 19:00 ` [Security] " Linus Torvalds
2009-05-04 19:51   ` Arjan van de Ven
2009-05-04 20:20     ` Eric W. Biederman
2009-05-04 22:24       ` Linus Torvalds
2009-05-04 23:26         ` Arjan van de Ven
2009-05-04 23:54         ` Linus Torvalds
2009-05-05  7:51           ` Eric W. Biederman
2009-05-05 15:17             ` Linus Torvalds
2009-05-05 15:35               ` Linus Torvalds
2009-05-05 16:18                 ` Matt Mackall
2009-05-05 16:10               ` Matt Mackall
2009-05-05  5:50         ` Matt Mackall
2009-05-05  6:31           ` Ingo Molnar
2009-05-05  8:14             ` Eric W. Biederman
2009-05-05 19:52               ` Ingo Molnar
2009-05-05 20:22                 ` Matt Mackall
2009-05-05 21:20                   ` Eric W. Biederman
2009-05-06 10:33                     ` Ingo Molnar
2009-05-06 10:30                   ` Ingo Molnar
2009-05-06 16:25                     ` Matt Mackall [this message]
2009-05-06 16:48                       ` Linus Torvalds
2009-05-06 17:57                         ` Matt Mackall
2009-05-07  0:50                           ` Matt Mackall
2009-05-07 15:02                             ` Ingo Molnar
2009-05-07 18:14                               ` Matt Mackall
2009-05-07 18:21                                 ` Ingo Molnar
2009-05-07 18:41                                 ` Ingo Molnar
2009-05-07 19:24                                   ` Matt Mackall
2009-05-07 15:16                           ` Florian Weimer
2009-05-07 16:55                             ` Matt Mackall
2009-05-07 17:53                               ` Linus Torvalds
2009-05-07 18:42                                 ` Matt Mackall
2009-05-06 20:09                         ` [patch] random: make get_random_int() more random Ingo Molnar
2009-05-06 20:41                           ` Matt Mackall
2009-05-06 20:51                             ` Ingo Molnar
2009-05-06 21:10                               ` Matt Mackall
2009-05-06 21:24                                 ` Ingo Molnar
2009-05-14 22:47                           ` Jake Edge
2009-05-14 22:55                             ` [Security] " Linus Torvalds
2009-05-15 13:47                               ` Ingo Molnar
2009-05-15 15:10                                 ` Jake Edge
2009-05-16 10:00                                 ` Willy Tarreau
2009-05-16 10:39                                   ` Ingo Molnar
2009-05-16 12:02                                     ` Eric W. Biederman
2009-05-16 14:00                                       ` Michael S. Zick
2009-05-16 14:28                                         ` Michael S. Zick
2009-05-16 14:57                                           ` Arjan van de Ven
2009-05-16 15:09                                             ` Michael S. Zick
2009-05-16 14:32                                       ` Matt Mackall
2009-05-16 13:58                                     ` Willy Tarreau
2009-05-16 15:23                                       ` Linus Torvalds
2009-05-16 15:47                                         ` Willy Tarreau
2009-05-16 15:54                                         ` Oliver Neukum
2009-05-16 16:05                                           ` Linus Torvalds
2009-05-16 16:17                                             ` Linus Torvalds
2009-05-15  1:16                           ` Américo Wang
2009-05-06 20:25                       ` [Security] [PATCH] proc: avoid information leaks to non-privileged processes Ingo Molnar
2009-05-06 20:52                         ` Matt Mackall
2009-05-05  8:58           ` Andi Kleen

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