Messages in this thread | | | From | Florian Weimer <> | Subject | Re: [PATCH v2 23/39] x86: Introduce userspace API for CET enabling | Date | Mon, 10 Oct 2022 12:56:22 +0200 |
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* Rick Edgecombe:
> + /* Only support enabling/disabling one feature at a time. */ > + if (hweight_long(features) > 1) > + return -EINVAL;
This means we'll soon need three extra system calls for x86-64 process start: SHSTK, IBT, and switching off vsyscall emulation. (The latter does not need any special CPU support.)
Maybe we can do something else instead to make the strace output a little bit cleaner?
Thanks, Florian
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