Messages in this thread | | | Date | Tue, 18 Sep 2018 18:04:20 +0200 | From | Sebastian Andrzej Siewior <> | Subject | Re: [RFC PATCH 04/10 v2 ] x86/fpu: eager switch PKRU state |
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On 2018-09-18 17:29:52 [+0200], Paolo Bonzini wrote: > > I don't think it matters what the PKRU state is > > for kernel threads, since kernel PTEs should not > > be using protection keys anyway. > > What about copy_from/to_user?
This doesn't work for a kernel thread, does it? I mean they share the init's MM and never do copy_{from|to}_user.
> Paolo
Sebastian
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