W dniu piątek, 7 października 2016 13:14:41 UTC+2 użytkownik [email protected] napisał: > Qubes uses VT-D and a Net VM to attempt to isolate buggy WiFi adapters from > the rest of the Qubes system. > > But this isolation still depends on Xen not having bugs... And we know that > Xen has bugs, and will likely continue to have more going forward. > > So, instead of VT-D, why not just switch off DMA altogether..? > > In Debian, you can edit "/etc/hdparms.conf", and do stuff like this: > > /dev/hdc { > dma = on > } > > Why not just do this for WiFi and Ethernet chips in Qubes, and thus, not have > to rely on Xen for isolation?
How exactly are PCIe devices going to communicate with the rest of the system without DMA? -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/a0cd153b-2644-47ac-b62a-4cbc532c92de%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
