linux-kernel - Re: [PATCH v4 05/39] x86/fpu/xstate: Introduce CET MSR and XSAVES supervisor states

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Date:   Wed, 21 Dec 2022 00:45:43 +0000
From:   "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To:     "bp@...en8.de" <bp@...en8.de>
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Subject: Re: [PATCH v4 05/39] x86/fpu/xstate: Introduce CET MSR and XSAVES
 supervisor states

On Tue, 2022-12-20 at 12:32 +0100, Borislav Petkov wrote:
> On Fri, Dec 02, 2022 at 04:35:32PM -0800, Rick Edgecombe wrote:
> > @@ -252,6 +254,14 @@ struct pkru_state {
> >         u32                             pad;
> >   } __packed;
> >   
> > +/*
> > + * State component 11 is Control-flow Enforcement user states
> > + */
> > +struct cet_user_state {
> > +       u64 user_cet;                   /* user control-flow
> > settings */
> > +       u64 user_ssp;                   /* user shadow stack
> > pointer */
> 
> Please put those side comments over the members, like struct fpstate
> does it in that same file.

Sure, thanks.