Messages in this thread | | | Date | Wed, 5 Mar 2008 00:25:58 +0100 (CET) | From | Jiri Kosina <> | Subject | Re: [PATCH 2.6.25] module: allow ndiswrapper to use GPL-only symbols |
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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
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