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| author |   Avi Kivity <avi@qumranet.com> | 2007-12-09 17:32:30 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 17:53:20 +0200 |
| commit | e3f955042219a595b1c3208e12c20860f23f72fb (patch) | |
| tree | f6ff71fa2026625bc0223ecb04ffaff67cb91008 /drivers | |
| parent | KVM: MMU: No need to pick up nx bit from guest pte (diff) | |
| download | linux-dev-e3f955042219a595b1c3208e12c20860f23f72fb.tar.xz linux-dev-e3f955042219a595b1c3208e12c20860f23f72fb.zip | |
KVM: MMU: Pass pte dirty flag to set_pte() instead of calculating it on-site
This allows us to remove its dependency on pt_element_t.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/kvm/paging_tmpl.h | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h index 179ce9e8145e..ca8d51574118 100644 --- a/drivers/kvm/paging_tmpl.h +++ b/drivers/kvm/paging_tmpl.h @@ -235,14 +235,12 @@ err: return 0; } -static void FNAME(set_pte)(struct kvm_vcpu *vcpu, pt_element_t gpte, - u64 *shadow_pte, unsigned pt_access, - unsigned pte_access, - int user_fault, int write_fault, +static void FNAME(set_pte)(struct kvm_vcpu *vcpu, u64 *shadow_pte, + unsigned pt_access, unsigned pte_access, + int user_fault, int write_fault, int dirty, int *ptwrite, struct guest_walker *walker, gfn_t gfn) { - int dirty = gpte & PT_DIRTY_MASK; u64 spte; int was_rmapped = is_rmap_pte(*shadow_pte); struct page *page; @@ -338,8 +336,8 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *page, return; pgprintk("%s: gpte %llx spte %p\n", __FUNCTION__, (u64)gpte, spte); pte_access = page->role.access & FNAME(gpte_access)(vcpu, gpte); - FNAME(set_pte)(vcpu, gpte, spte, page->role.access, pte_access, - 0, 0, NULL, NULL, gpte_to_gfn(gpte)); + FNAME(set_pte)(vcpu, spte, page->role.access, pte_access, 0, 0, + gpte & PT_DIRTY_MASK, NULL, NULL, gpte_to_gfn(gpte)); } /* @@ -402,9 +400,8 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, *shadow_ent = shadow_pte; } - FNAME(set_pte)(vcpu, walker->pte, shadow_ent, - access, walker->pte_access & access, - user_fault, write_fault, + FNAME(set_pte)(vcpu, shadow_ent, access, walker->pte_access & access, + user_fault, write_fault, walker->pte & PT_DIRTY_MASK, ptwrite, walker, walker->gfn); return shadow_ent; |