diff options
| author | Avi Kivity <avi@qumranet.com> | 2007-11-21 14:08:40 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 17:53:11 +0200 |
| commit | 4e542370c7570bdb582ab8c751ab899ff9e4214a (patch) | |
| tree | 7fdb7ad0076d21a3833f67ef4cc37bce98e40153 | |
| parent | da928521b7a095e85f6ac92a6c106bca7e17625f (diff) | |
KVM: MMU: Remove extra gaddr parameter from set_pte_common()
Similar information is available in the gfn parameter, so use that.
Signed-off-by: Avi Kivity <avi@qumranet.com>
| -rw-r--r-- | drivers/kvm/mmu.c | 1 | ||||
| -rw-r--r-- | drivers/kvm/paging_tmpl.h | 29 |
2 files changed, 10 insertions, 20 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index a9fed594ac5..c3362ba33b0 100644 --- a/drivers/kvm/mmu.c +++ b/drivers/kvm/mmu.c @@ -29,6 +29,7 @@ #include <asm/page.h> #include <asm/cmpxchg.h> +#include <asm/io.h> #undef MMU_DEBUG diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h index dceb4b9137a..cc373ed1f04 100644 --- a/drivers/kvm/paging_tmpl.h +++ b/drivers/kvm/paging_tmpl.h @@ -188,7 +188,6 @@ err: static void FNAME(set_pte_common)(struct kvm_vcpu *vcpu, u64 *shadow_pte, - gpa_t gaddr, pt_element_t gpte, u64 access_bits, int user_fault, @@ -197,7 +196,6 @@ static void FNAME(set_pte_common)(struct kvm_vcpu *vcpu, struct guest_walker *walker, gfn_t gfn) { - hpa_t paddr; int dirty = gpte & PT_DIRTY_MASK; u64 spte; int was_rmapped = is_rmap_pte(*shadow_pte); @@ -218,26 +216,20 @@ static void FNAME(set_pte_common)(struct kvm_vcpu *vcpu, if (!dirty) access_bits &= ~PT_WRITABLE_MASK; - paddr = gpa_to_hpa(vcpu->kvm, gaddr & PT64_BASE_ADDR_MASK); - - /* - * the reason paddr get mask even that it isnt pte is beacuse the - * HPA_ERR_MASK bit might be used to signal error - */ - page = pfn_to_page((paddr & PT64_BASE_ADDR_MASK) >> PAGE_SHIFT); + page = gfn_to_page(vcpu->kvm, gfn); spte |= PT_PRESENT_MASK; if (access_bits & PT_USER_MASK) spte |= PT_USER_MASK; - if (is_error_hpa(paddr)) { + if (is_error_page(page)) { set_shadow_pte(shadow_pte, shadow_trap_nonpresent_pte | PT_SHADOW_IO_MARK); kvm_release_page_clean(page); return; } - spte |= paddr; + spte |= page_to_phys(page); if ((access_bits & PT_WRITABLE_MASK) || (write_fault && !is_write_protection(vcpu) && !user_fault)) { @@ -266,14 +258,14 @@ static void FNAME(set_pte_common)(struct kvm_vcpu *vcpu, unshadowed: if (access_bits & PT_WRITABLE_MASK) - mark_page_dirty(vcpu->kvm, gaddr >> PAGE_SHIFT); + mark_page_dirty(vcpu->kvm, gfn); pgprintk("%s: setting spte %llx\n", __FUNCTION__, spte); set_shadow_pte(shadow_pte, spte); - page_header_update_slot(vcpu->kvm, shadow_pte, gaddr); + page_header_update_slot(vcpu->kvm, shadow_pte, + (gpa_t)gfn << PAGE_SHIFT); if (!was_rmapped) { - rmap_add(vcpu, shadow_pte, (gaddr & PT64_BASE_ADDR_MASK) - >> PAGE_SHIFT); + rmap_add(vcpu, shadow_pte, gfn); if (!is_rmap_pte(*shadow_pte)) kvm_release_page_clean(page); } @@ -289,7 +281,7 @@ static void FNAME(set_pte)(struct kvm_vcpu *vcpu, pt_element_t gpte, struct guest_walker *walker, gfn_t gfn) { access_bits &= gpte; - FNAME(set_pte_common)(vcpu, shadow_pte, gpte & PT_BASE_ADDR_MASK, + FNAME(set_pte_common)(vcpu, shadow_pte, gpte, access_bits, user_fault, write_fault, ptwrite, walker, gfn); } @@ -318,11 +310,8 @@ static void FNAME(set_pde)(struct kvm_vcpu *vcpu, pt_element_t gpde, int user_fault, int write_fault, int *ptwrite, struct guest_walker *walker, gfn_t gfn) { - gpa_t gaddr; - access_bits &= gpde; - gaddr = (gpa_t)gfn << PAGE_SHIFT; - FNAME(set_pte_common)(vcpu, shadow_pte, gaddr, + FNAME(set_pte_common)(vcpu, shadow_pte, gpde, access_bits, user_fault, write_fault, ptwrite, walker, gfn); } |