Messages in this thread | | | Date | Wed, 9 Mar 2022 16:07:51 -0800 | Subject | Re: [PATCHv5.2 04/30] x86/tdx: Extend the confidential computing API to support TDX guests | From | Dave Hansen <> |
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On 3/9/22 15:51, Kirill A. Shutemov wrote: > Confidential Computing (CC) features (like string I/O unroll support, > memory encryption/decryption support, etc) are conditionally enabled > in the kernel using cc_platform_has() API. Since TDX guests also need > to use these CC features, extend cc_platform_has() API and add TDX > guest-specific CC attributes support. > > CC API also provides an interface to deal with encryption mask. Extend > it to cover TDX. > > Details about which bit in the page table entry to be used to indicate > shared/private state is determined by using the TDINFO TDCALL. > > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> > --- > v5.2: > - Update comment for tdx_module_call() definition and for the > TDX_GET_INFO call site.
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
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