Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [patch V3 4/6] x86/pkru: Make PKRU=0 actually work | Date | Tue, 08 Jun 2021 21:06:41 +0200 |
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On Tue, Jun 08 2021 at 09:06, Dave Hansen wrote: > On 6/8/21 7:36 AM, Thomas Gleixner wrote: >> When user space brings PKRU into init state, then the kernel handling is >> broken: > > Nit: while setting PKRU=0 _can_ trigger this issue (on AMD), the > underlying problem is truly with the init state and not simply with any > wrpkru(0). IOW, I like the changelog better than the subject. > > Maybe something like this would be more precise: > > x86/pkru: Write hardware init value to PKRU when xstate is init
Indeed.
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