From: Jiri Kosina <jkosina@suse.cz>
To: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Pavel Roskin <proski@gnu.org>, Zan Lynx <zlynx@acm.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Jon Masters <jcm@jonmasters.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Greg Kroah-Hartman <gregkh@suse.de>
Subject: Re: [PATCH 2.6.25] module: allow ndiswrapper to use GPL-only symbols
Date: Wed, 5 Mar 2008 00:25:58 +0100 (CET) [thread overview]
Message-ID: <Pine.LNX.4.64.0803050023090.18589@twin.jikos.cz> (raw)
In-Reply-To: <20080304205117.GA21803@elte.hu>
On Tue, 4 Mar 2008, Ingo Molnar wrote:
> > Ingo, i's simply not possible to put ndiswrapper in user-space sanely.
> > Drivers are drivers. They'll want (shared) interrupts, they want DMA,
> > they want to do things like cli/sti.
> yeah, i agree that putting it into userspace is quite insane.
> it might possible to do it halfways sanely via existing arch/x86/kvm/
> infrastructure though. VMX/SVM context will properly emulate the IRQ
> flag so cli/sti will work fine, and as long as DMA is properly
> quarantined via an iommu it might even not corrupt the rest of the
> system.
This definitely could be a [hackish] way to go. The remarkable drawback
is that it will not work on CPUs without virtualization extensions.
--
Jiri Kosina
SUSE Labs
next prev parent reply other threads:[~2008-03-04 23:32 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-28 22:11 [PATCH 2.6.25] module: allow ndiswrapper to use GPL-only symbols Pavel Roskin
2008-02-28 23:25 ` Linus Torvalds
2008-02-29 6:20 ` Pavel Roskin
2008-02-29 16:08 ` Linus Torvalds
2008-02-29 16:54 ` Chris Friesen
2008-02-29 17:06 ` Linus Torvalds
2008-02-29 17:59 ` Chris Friesen
2008-03-06 14:56 ` David Woodhouse
2008-02-29 16:59 ` Zan Lynx
2008-02-29 17:07 ` Linus Torvalds
2008-02-29 17:20 ` Pavel Roskin
2008-02-29 17:33 ` Linus Torvalds
2008-02-29 19:39 ` Pavel Roskin
2008-02-29 19:53 ` Linus Torvalds
2008-02-29 20:08 ` Pavel Roskin
2008-02-29 20:28 ` Linus Torvalds
2008-02-29 21:13 ` Pavel Roskin
2008-02-29 20:17 ` John W. Linville
2008-02-29 20:40 ` David Newall
2008-02-29 20:59 ` Pavel Roskin
2008-02-29 21:08 ` David Newall
2008-02-29 22:17 ` Pavel Roskin
2008-03-01 8:15 ` David Newall
2008-02-29 20:44 ` Pavel Roskin
2008-02-29 21:15 ` Ingo Molnar
2008-02-29 22:31 ` Pavel Roskin
2008-03-03 10:57 ` Ingo Molnar
2008-03-04 5:37 ` Pavel Roskin
2008-03-04 12:57 ` Ingo Molnar
2008-03-04 17:19 ` Linus Torvalds
2008-03-04 17:38 ` Greg KH
2008-03-04 17:45 ` Pavel Roskin
2008-03-04 21:20 ` Ingo Molnar
2008-03-04 23:23 ` Pavel Roskin
2008-03-04 20:51 ` Ingo Molnar
2008-03-04 23:25 ` Jiri Kosina [this message]
2008-03-05 13:21 ` Ingo Molnar
2008-02-29 17:18 ` Jon Masters
2008-02-29 21:55 ` Adrian Bunk
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