diff options
Diffstat (limited to 'arch/x86/kvm/mmu/tdp_iter.h')
| -rw-r--r-- | arch/x86/kvm/mmu/tdp_iter.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/kvm/mmu/tdp_iter.h b/arch/x86/kvm/mmu/tdp_iter.h index 47170d0dc98e..d480c540ee27 100644 --- a/arch/x86/kvm/mmu/tdp_iter.h +++ b/arch/x86/kvm/mmu/tdp_iter.h @@ -15,7 +15,13 @@ struct tdp_iter { * The iterator will traverse the paging structure towards the mapping * for this GFN. */ - gfn_t goal_gfn; + gfn_t next_last_level_gfn; + /* + * The next_last_level_gfn at the time when the thread last + * yielded. Only yielding when the next_last_level_gfn != + * yielded_gfn helps ensure forward progress. + */ + gfn_t yielded_gfn; /* Pointers to the page tables traversed to reach the current SPTE */ u64 *pt_path[PT64_ROOT_MAX_LEVEL]; /* A pointer to the current SPTE */ @@ -52,9 +58,8 @@ struct tdp_iter { u64 *spte_to_child_pt(u64 pte, int level); void tdp_iter_start(struct tdp_iter *iter, u64 *root_pt, int root_level, - int min_level, gfn_t goal_gfn); + int min_level, gfn_t next_last_level_gfn); void tdp_iter_next(struct tdp_iter *iter); -void tdp_iter_refresh_walk(struct tdp_iter *iter); u64 *tdp_iter_root_pt(struct tdp_iter *iter); #endif /* __KVM_X86_MMU_TDP_ITER_H */ |