Messages in this thread | | | Date | Wed, 22 Sep 2021 00:34:01 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: [PATCH v3 5/8] x86/sme: Replace occurrences of sme_active() with cc_platform_has() |
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On Tue, Sep 21, 2021 at 11:27:17PM +0200, Borislav Petkov wrote: > On Wed, Sep 22, 2021 at 12:20:59AM +0300, Kirill A. Shutemov wrote: > > I still believe calling cc_platform_has() from __startup_64() is totally > > broken as it lacks proper wrapping while accessing global variables. > > Well, one of the issues on the AMD side was using boot_cpu_data too > early and the Intel side uses it too. Can you replace those checks with > is_tdx_guest() or whatever was the helper's name which would check > whether the the kernel is running as a TDX guest, and see if that helps?
There's no need in Intel check this early. Only AMD need it. Maybe just opencode them?
-- Kirill A. Shutemov
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