Messages in this thread | | | Date | Fri, 18 Dec 2015 15:08:50 -0800 | Subject | Re: Rethinking sigcontext's xfeatures slightly for PKRU's benefit? | From | Linus Torvalds <> |
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On Fri, Dec 18, 2015 at 2:28 PM, Andy Lutomirski <luto@amacapital.net> wrote: > > Apps that don't want to use the baseline_pkru mechanism could use > syscalls to claim ownership of protection keys but then manage them > purely with WRPKRU directly. We could optionally disallow > mprotect_key on keys that weren't allocated in advance. > > Does that seem sane?
So everything seems sane except for the need for that baseline_pkru.
I'm not seeing why it couldn't just be a fixed value. Is there any real downside to it?
Linus
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