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| author | Avi Kivity <avi@qumranet.com> | 2006-12-29 16:49:37 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-30 10:56:44 -0800 |
| commit | a9058ecd3cd72634cf548588ce79b3f225c9ca32 (patch) | |
| tree | 11d1edd2dfdcec03ba6b54b3b06d41cae826b940 /drivers/kvm/paging_tmpl.h | |
| parent | 1e885461f02259d75e7480a70d291d2d8aaa938e (diff) | |
| download | blackbird-op-linux-a9058ecd3cd72634cf548588ce79b3f225c9ca32.tar.gz blackbird-op-linux-a9058ecd3cd72634cf548588ce79b3f225c9ca32.zip | |
[PATCH] KVM: Simplify is_long_mode()
Instead of doing tricky stuff with the arch dependent virtualization
registers, take a peek at the guest's efer.
This simlifies some code, and fixes some confusion in the mmu branch.
Signed-off-by: Avi Kivity <avi@qumranet.com>
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 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h index a9771b4c5bb8..09bb9b4ed12d 100644 --- a/drivers/kvm/paging_tmpl.h +++ b/drivers/kvm/paging_tmpl.h @@ -68,7 +68,7 @@ static void FNAME(init_walker)(struct guest_walker *walker, hpa = safe_gpa_to_hpa(vcpu, vcpu->cr3 & PT64_BASE_ADDR_MASK); walker->table = kmap_atomic(pfn_to_page(hpa >> PAGE_SHIFT), KM_USER0); - ASSERT((!kvm_arch_ops->is_long_mode(vcpu) && is_pae(vcpu)) || + ASSERT((!is_long_mode(vcpu) && is_pae(vcpu)) || (vcpu->cr3 & ~(PAGE_MASK | CR3_FLAGS_MASK)) == 0); walker->table = (pt_element_t *)( (unsigned long)walker->table | @@ -131,7 +131,7 @@ static pt_element_t *FNAME(fetch_guest)(struct kvm_vcpu *vcpu, (walker->table[index] & PT_PAGE_SIZE_MASK) && (PTTYPE == 64 || is_pse(vcpu)))) return &walker->table[index]; - if (walker->level != 3 || kvm_arch_ops->is_long_mode(vcpu)) + if (walker->level != 3 || is_long_mode(vcpu)) walker->inherited_ar &= walker->table[index]; paddr = safe_gpa_to_hpa(vcpu, walker->table[index] & PT_BASE_ADDR_MASK); kunmap_atomic(walker->table, KM_USER0); |
