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/Linux-v4.19/Documentation/virtual/kvm/
Dmmu.txt106 shadow page contains 512 sptes, which can be either leaf or nonleaf sptes. A
107 shadow page may contain a mix of leaf and nonleaf sptes.
134 1=4k sptes, 2=2M sptes, 3=1G sptes, etc.
136 If set, leaf sptes reachable from this page are for a linear range.
146 sptes. That means a guest page table contains more ptes than the host,
150 page tables, each 32-bit gpte is converted to two 64-bit sptes
190 A pageful of 64-bit sptes containing the translations for this page.
194 sptes in spt point either at guest pages, or at lower-level shadow pages.
212 sptes pointing at this page and (parent_ptes & ~0x1) points at a data
213 structure with a list of parent sptes.
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/Linux-v4.19/arch/x86/kvm/
Dmmu.c169 u64 *sptes[PTE_LIST_EXT]; member
1223 desc->sptes[0] = (u64 *)rmap_head->val; in pte_list_add()
1224 desc->sptes[1] = spte; in pte_list_add()
1230 while (desc->sptes[PTE_LIST_EXT-1] && desc->more) { in pte_list_add()
1234 if (desc->sptes[PTE_LIST_EXT-1]) { in pte_list_add()
1238 for (i = 0; desc->sptes[i]; ++i) in pte_list_add()
1240 desc->sptes[i] = spte; in pte_list_add()
1252 for (j = PTE_LIST_EXT - 1; !desc->sptes[j] && j > i; --j) in pte_list_desc_remove_entry()
1254 desc->sptes[i] = desc->sptes[j]; in pte_list_desc_remove_entry()
1255 desc->sptes[j] = NULL; in pte_list_desc_remove_entry()
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