From: Avi Kivity <avi@qumranet.com>
To: Andi Kleen <ak@suse.de>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
Andrew Morton <akpm@osdl.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Chris Wright <chrisw@sous-sol.org>,
Virtualization Mailing List <virtualization@lists.osdl.org>
Subject: Re: [PATCH] Add I/O hypercalls for i386 paravirt
Date: Wed, 22 Aug 2007 15:32:39 +0300 [thread overview]
Message-ID: <46CC2CE7.5000105@qumranet.com> (raw)
In-Reply-To: <20070822131547.GS32640@bingen.suse.de>
Andi Kleen wrote:
>> Ah. But that's mostly modules, so real in-core changes should be very
>>
>
> Yes that's the big difference. Near all paravirt ops are concentrated
> on the core kernel, but this one affects lots of people.
>
> And why "but"? -- modules are as important as the core kernel. They're
> not second citizens.
>
It's not being second class; simply few modules are loaded at runtime,
so most of the code impact is on disk. The in-code impact is small. If
paravirt i/o insns are worthwhile, I don't think code size is an issue.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2007-08-22 12:32 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-22 5:23 [PATCH] Add I/O hypercalls for i386 paravirt Zachary Amsden
2007-08-22 5:23 ` Zachary Amsden
2007-08-22 5:34 ` Avi Kivity
2007-08-22 5:40 ` Zachary Amsden
2007-08-22 8:37 ` Avi Kivity
2007-08-22 16:16 ` Zachary Amsden
2007-08-22 6:25 ` Rusty Russell
2007-08-22 10:35 ` Andi Kleen
2007-08-22 9:51 ` Avi Kivity
2007-08-22 11:08 ` Andi Kleen
2007-08-22 10:23 ` Avi Kivity
2007-08-22 11:23 ` Andi Kleen
2007-08-22 12:09 ` Avi Kivity
2007-08-22 13:15 ` Andi Kleen
2007-08-22 12:32 ` Avi Kivity [this message]
2007-08-22 16:11 ` Jeff Garzik
2007-08-27 17:54 ` Benjamin Herrenschmidt
2007-08-28 6:51 ` Zachary Amsden
2007-08-28 11:18 ` Benjamin Herrenschmidt
2007-08-22 6:00 ` H. Peter Anvin
2007-08-22 6:03 ` Zachary Amsden
2007-08-24 12:20 ` Pavel Machek
2007-08-22 10:22 ` Andi Kleen
2007-08-22 16:48 ` Zachary Amsden
2007-08-22 17:59 ` Andi Kleen
2007-08-22 17:07 ` Zachary Amsden
2007-08-22 19:46 ` Andi Kleen
2007-08-22 20:43 ` Zachary Amsden
2007-08-22 22:04 ` Andi Kleen
2007-08-22 21:25 ` Alan Cox
2007-08-22 21:25 ` Alan Cox
2007-08-22 21:41 ` Zachary Amsden
2007-08-23 5:34 ` Rusty Russell
2007-08-22 21:45 ` Zachary Amsden
2007-08-22 17:34 ` Alan Cox
2007-08-22 17:34 ` Alan Cox
2007-08-22 21:54 ` Jeremy Fitzhardinge
2007-08-22 22:15 ` James Courtier-Dutton
2007-08-22 22:15 ` James Courtier-Dutton
2007-08-22 22:20 ` Chris Wright
2007-08-22 22:29 ` James Courtier-Dutton
2007-08-22 22:29 ` James Courtier-Dutton
2007-08-22 22:34 ` Chris Wright
2007-08-22 23:14 ` Jeremy Fitzhardinge
2007-08-23 0:47 ` Andi Kleen
2007-08-23 0:38 ` Jeremy Fitzhardinge
2007-08-23 2:34 ` Andi Kleen
2007-08-27 17:54 ` Benjamin Herrenschmidt
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