News for hackers. Stuff that matters.

A comment on Undocumented x86 instructions in Intel CPUs that can modify microcode. Parent comment

Re:Undocumented x86 instructions in Intel CPUs that can modi... by vlovich123 on Saturday March 20, 2021 @12:51PM (#26524344)
Can’t you do that through ebpf?
[ Parent | on HN ]
Re:Undocumented x86 instructions in Intel CPUs that can modi... by tkinom on Saturday March 20, 2021 @01:56PM (#26524764)
My understand of ebpf can hook into the function calls in linux kernel.

Can one do that on user space app?

[ Parent | on HN ]
Re:Undocumented x86 instructions in Intel CPUs that can modi... by vlovich123 on Saturday March 20, 2021 @02:06PM (#26524818)
Yes, that is my understanding.
[ Parent | on HN ]