Messages in this thread | | | Date | Fri, 4 Mar 2022 07:47:37 -0800 | Subject | Re: [PATCHv5 01/30] x86/tdx: Detect running as a TDX guest in early boot | From | Dave Hansen <> |
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On 3/4/22 07:43, Borislav Petkov wrote: > On Wed, Mar 02, 2022 at 05:27:37PM +0300, Kirill A. Shutemov wrote: >> +void __init tdx_early_init(void) >> +{ >> + u32 eax, sig[3]; >> + >> + cpuid_count(TDX_CPUID_LEAF_ID, 0, &eax, &sig[0], &sig[2], &sig[1]); >> + >> + BUILD_BUG_ON(sizeof(sig) != sizeof(TDX_IDENT) - 1); > That's new. > > Is that pure paranoia or what are you protecting here against?
Pure reviewer paranoia. :)
https://lore.kernel.org/all/YhN5edJQ+LkVc0us@grain/
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