Messages in this thread |  | | Date | Thu, 5 Apr 2018 18:59:49 +0100 | From | Alan Cox <> | Subject | Re: [GIT PULL] Kernel lockdown for secure boot |
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> How? When there are random DMA-capable PCI devices that are driven by > userland tools that are mmap()ing the BARs out of sysfs, how do we > simultaneously avoid breaking those devices while also preventing the > majority of users from being vulnerable to an attacker just DMAing over the > kernel?
VT-D
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