Re:Tor at the Heart: Firefox
by dom0 on Tuesday January 03, 2017 @11:50AM
(#13310460)
> Presumably they are unprivileged instructions on x86?
They're all unprivileged; having to go to the kernel would defeat the purpose most of the time.
Also, trapping them wouldn't make a difference. Fixing the CPUID fields on the other hand (so that these code paths are not taken in the first place)...
They're all unprivileged; having to go to the kernel would defeat the purpose most of the time.
Also, trapping them wouldn't make a difference. Fixing the CPUID fields on the other hand (so that these code paths are not taken in the first place)...