diff options
| author | Avi Kivity <avi@qumranet.com> | 2007-01-05 16:36:42 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2007-01-05 23:55:24 -0800 |
| commit | 25c0de2cc6c26cb99553c2444936a7951c120c09 (patch) | |
| tree | c2b5bd7ff189a1232ed3a89b50caa2ebbad67634 /drivers/kvm/paging_tmpl.h | |
| parent | aef3d3fe1314f2a130f5ccc7114df20865ba784f (diff) | |
[PATCH] KVM: MMU: Make kvm_mmu_alloc_page() return a kvm_mmu_page pointer
This allows further manipulation on the shadow page table.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/kvm/paging_tmpl.h')
| -rw-r--r-- | drivers/kvm/paging_tmpl.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h index 7af49ae80e5..11cac9ddf26 100644 --- a/drivers/kvm/paging_tmpl.h +++ b/drivers/kvm/paging_tmpl.h @@ -179,6 +179,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, for (; ; level--) { u32 index = SHADOW_PT_INDEX(addr, level); u64 *shadow_ent = ((u64 *)__va(shadow_addr)) + index; + struct kvm_mmu_page *shadow_page; u64 shadow_pte; if (is_present_pte(*shadow_ent) || is_io_pte(*shadow_ent)) { @@ -204,9 +205,10 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, return shadow_ent; } - shadow_addr = kvm_mmu_alloc_page(vcpu, shadow_ent); - if (!VALID_PAGE(shadow_addr)) + shadow_page = kvm_mmu_alloc_page(vcpu, shadow_ent); + if (!shadow_page) return ERR_PTR(-ENOMEM); + shadow_addr = shadow_page->page_hpa; shadow_pte = shadow_addr | PT_PRESENT_MASK | PT_ACCESSED_MASK | PT_WRITABLE_MASK | PT_USER_MASK; *shadow_ent = shadow_pte; |