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SubjectRe: [GIT PULL] x86/urgent for v5.11-rc7
On 2/7/2021 2:35 PM, Dave Hansen wrote:
> On 2/7/21 12:44 PM, Alexei Starovoitov wrote:
>>>> It probably is an item on some Intel manager's to-enable list. So far,
>>>> the CET enablement concentrates only on userspace but dhansen might know
>>>> more about future plans. CCed.
>>> It's definitely on our radar to look at after CET userspace.
>> What is the desired timeline to enable CET in the kernel ?
>> 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?

I have some kernel-mode enabling patches that I will soon send
internally for comments. My estimate is probably before the summer, I
can send those to the mailing list.


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