On 6/14/22 05:02, Kirill A. Shutemov wrote: > static inline void __accept_memory(phys_addr_t start, phys_addr_t end) > { > /* Platform-specific memory-acceptance call goes here */ > - error("Cannot accept memory"); > + if (is_tdx_guest()) > + tdx_accept_memory(start, end); > + else > + error("Cannot accept memory: unknown platform\n"); > } There are quite a few of these if (tdx()) ... conditions in common code here. Shouldn't this be something like a CC_ATTR_MEM_ACCEPT? if (cc_platform_has(CC_ATTR_MEM_ACCEPT)) cc_accept_memory(...); else error("Cannot accept memory: unknown platform\n"); I understand that TDX is the first one to the party. Is this the time to add the cc_ infrastructure?