Messages in this thread | | | Date | Wed, 5 Mar 2008 14:21:02 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 2.6.25] module: allow ndiswrapper to use GPL-only symbols |
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* Jiri Kosina <jkosina@suse.cz> wrote:
> 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.
by the time it's implemented and trickles into distributions the majority of PCs will have virtualization extensions.
Ingo
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