Messages in this thread | | | Date | Wed, 10 Jun 2020 15:21:31 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH 3/3] x86/msr: Add an MSR write callback |
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On Wed, Jun 10, 2020 at 02:32:26PM +0200, Peter Zijlstra wrote: > We cache a whole bunch of MSRs in kernel. Why is this one special?
If the others need the post-write handling, they should be added there too. I did it with this one only as a start.
> If you write using the stupid msr device, you get to keep all pieces.
Yes, the tainting-on-write is the next thing that goes ontop of this.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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