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After the global KeyID has been configured on all packages, initialize all TDMRs to make all TDX-usable memory regions that are passed to the TDX module become usable. This is the last step of initializing the TDX module. Initializing TDMRs can be time consuming on large memory systems as it involves initializing all metadata entries for all pages that can be used by TDX guests. Initializing different TDMRs can be parallelized. For now to keep it simple, just initialize all TDMRs one by one. It can be enhanced in the future. Signed-off-by: Kai Huang <kai.huang@intel.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Isaku Yamahata <isaku.yamahata@intel.com> Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Yuan Yao <yuan.yao@intel.com> Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com> Link: https://lore.kernel.org/all/20231208170740.53979-15-dave.hansen%40intel.com |
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