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From: Adrian Bunk <bunk@stusta.de>
To: Andi Kleen <ak@muc.de>
Cc: Andrew Morton <akpm@osdl.org>,
	virtualization@lists.osdl.org, Chris Wright <chrisw@sous-sol.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Arjan van de Ven <arjan@infradead.org>
Subject: Re: [PATCH] paravirt.h
Date: Tue, 22 Aug 2006 16:25:19 +0200	[thread overview]
Message-ID: <20060822142519.GX11651@stusta.de> (raw)
In-Reply-To: <200608221550.57603.ak@muc.de>

On Tue, Aug 22, 2006 at 03:50:57PM +0200, Andi Kleen wrote:
> 
> > this would need a "const after boot" section; which is really not hard
> > to make and probably useful for a lot more things.... todo++
> 
> except for anything that needs tlb entries in user space. And it only gives you
> false sense of security. --todo

What's the alternative?

Change it from a struct to a compile time choice?
This should address both the security concerns and your tlb issues at 
the price of runtime flexibility.

> -Andi

cu
Adrian

-- 

    Gentoo kernels are 42 times more popular than SUSE kernels among
    KLive users  (a service by SUSE contractor Andrea Arcangeli that
    gathers data about kernels from many users worldwide).

       There are three kinds of lies: Lies, Damn Lies, and Statistics.
                                                    Benjamin Disraeli

  reply	other threads:[~2006-08-22 14:25 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-10  9:35 [PATCH] paravirt.h Rusty Russell
2006-08-10 10:10 ` Rusty Russell
2006-08-10 10:30   ` Andi Kleen
2006-08-10 11:05     ` Rusty Russell
2006-08-10 11:31       ` Andi Kleen
2006-08-10 13:03         ` Zachary Amsden
2006-08-10 15:14       ` Jeremy Fitzhardinge
     [not found]         ` <44DB54A5.50006@vmware.com>
     [not found]           ` <44DB6144.2080308@goop.org>
     [not found]             ` <1155262867.27719.2.camel@localhost.localdomain>
2006-08-11  2:34               ` Jeremy Fitzhardinge
2006-08-10 18:06 ` Jeremy Fitzhardinge
2006-08-19  1:21   ` Adrian Bunk
2006-08-19  2:46     ` Jeremy Fitzhardinge
2006-08-20  8:50       ` Geert Uytterhoeven
2006-08-22 12:56         ` Jeremy Fitzhardinge
2006-08-22 14:08           ` Adrian Bunk
2006-08-22 13:56   ` Alan Cox
2006-08-22 13:44     ` Andi Kleen
2006-08-22 17:16       ` Zachary Amsden
2006-08-22 18:29         ` Arjan van de Ven
2006-08-22 19:30           ` Alan Cox
2006-08-22 19:17             ` Zachary Amsden
2006-08-22 19:26               ` Zachary Amsden
2006-08-22 19:29                 ` Arjan van de Ven
2006-08-22 19:43                   ` Zachary Amsden
2006-08-22 20:16                 ` Andi Kleen
2006-08-22 22:02                   ` Zachary Amsden
2006-08-23  1:55                     ` Rusty Russell
2006-08-23  2:12                       ` Zachary Amsden
2006-08-23  7:56                     ` Arjan van de Ven
2006-08-23  8:44                       ` Zachary Amsden
2006-08-23  8:50                         ` Andi Kleen
2006-08-23  9:01                           ` Zachary Amsden
2006-08-23  9:06                             ` Andi Kleen
2006-08-23  9:14                               ` Zachary Amsden
2006-08-23  9:20                                 ` Andi Kleen
2006-08-23  9:36                                   ` Zachary Amsden
2006-08-23  9:41                                     ` Andi Kleen
2006-08-23  9:48                                       ` Zachary Amsden
2006-08-23  9:50                                         ` Andi Kleen
2006-08-23 10:03                                           ` Zachary Amsden
2006-08-23 11:24                                             ` Andi Kleen
2006-08-23  8:56                         ` Arjan van de Ven
2006-08-23  8:18                     ` Andi Kleen
2006-08-23  8:38                       ` Zachary Amsden
2006-08-22 21:36               ` Alan Cox
2006-08-22 13:45     ` Arjan van de Ven
2006-08-22 13:50       ` Andi Kleen
2006-08-22 14:25         ` Adrian Bunk [this message]
2006-08-22 14:54           ` Andi Kleen
2006-08-22 17:36             ` Zachary Amsden
2006-08-22 18:35               ` Alan Cox
2006-08-22 14:59     ` Jeremy Fitzhardinge
2006-08-22 15:12       ` Arjan van de Ven
2006-08-22 15:58       ` Alan Cox
2006-08-23  1:35     ` Rusty Russell

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