On 2/7/21 12:44 PM, Alexei Starovoitov wrote:
What is the desired timeline to enable CET in the kernel ?It probably is an item on some Intel manager's to-enable list. So far,It's definitely on our radar to look at after CET userspace.
the CET enablement concentrates only on userspace but dhansen might know
more about future plans. CCed.
I think for bpf and tracing it will be mostly straightforward to deal
with extra endbr64 insn in front of the fentry nop.
Just trying to figure when this work needs to be done.
Yu-cheng? Any idea when you're going to start hacking on the in-kernel
IBT bits?