From e03ec6e409a8789d5c0877f45ae57a52484da55b Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Mon, 12 Feb 2007 00:54:36 -0800 Subject: [PATCH] --- yaml --- r: 48033 b: refs/heads/master c: e119d117a1d16e71876144188c0e0b3ecb8aeede h: refs/heads/master i: 48031: eeea8ddfe19b983f7f9ae76e3f95dd542d6043a2 v: v3 --- [refs] | 2 +- trunk/drivers/kvm/paging_tmpl.h | 28 +++++++--------------------- 2 files changed, 8 insertions(+), 22 deletions(-) diff --git a/[refs] b/[refs] index ac5c05db0144..e72e2d759dfe 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: a0610ddf6be6465049a5da448d7e6c5e821240e6 +refs/heads/master: e119d117a1d16e71876144188c0e0b3ecb8aeede diff --git a/trunk/drivers/kvm/paging_tmpl.h b/trunk/drivers/kvm/paging_tmpl.h index 149fa45fd9a5..b6b90e9e1301 100644 --- a/trunk/drivers/kvm/paging_tmpl.h +++ b/trunk/drivers/kvm/paging_tmpl.h @@ -443,31 +443,17 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t vaddr) { struct guest_walker walker; - pt_element_t guest_pte; - gpa_t gpa; - - FNAME(walk_addr)(&walker, vcpu, vaddr, 0, 0, 0); - guest_pte = *walker.ptep; - FNAME(release_walker)(&walker); - - if (!is_present_pte(guest_pte)) - return UNMAPPED_GVA; - - if (walker.level == PT_DIRECTORY_LEVEL) { - ASSERT((guest_pte & PT_PAGE_SIZE_MASK)); - ASSERT(PTTYPE == 64 || is_pse(vcpu)); + gpa_t gpa = UNMAPPED_GVA; + int r; - gpa = (guest_pte & PT_DIR_BASE_ADDR_MASK) | (vaddr & - (PT_LEVEL_MASK(PT_PAGE_TABLE_LEVEL) | ~PAGE_MASK)); + r = FNAME(walk_addr)(&walker, vcpu, vaddr, 0, 0, 0); - if (PTTYPE == 32 && is_cpuid_PSE36()) - gpa |= (guest_pte & PT32_DIR_PSE36_MASK) << - (32 - PT32_DIR_PSE36_SHIFT); - } else { - gpa = (guest_pte & PT_BASE_ADDR_MASK); - gpa |= (vaddr & ~PAGE_MASK); + if (r) { + gpa = (gpa_t)walker.gfn << PAGE_SHIFT; + gpa |= vaddr & ~PAGE_MASK; } + FNAME(release_walker)(&walker); return gpa; }