diff options
author | Avi Kivity <avi@qumranet.com> | 2007-05-31 10:17:06 -0400 |
---|---|---|
committer | Avi Kivity <avi@qumranet.com> | 2007-07-16 05:05:44 -0400 |
commit | 4436d466219a6a7874ebc19eb6523c3a9a280dcc (patch) | |
tree | 5e1fb884432621d73ac140816bb848db5903e650 /drivers/kvm | |
parent | e663ee64aefc57f7eff7325142206c4ea0200be8 (diff) |
KVM: MMU: Remove cr0.wp tricks
No longer needed as we do everything in one place.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm')
-rw-r--r-- | drivers/kvm/paging_tmpl.h | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h index fabc2c9093cd..59b4cb29e0f7 100644 --- a/drivers/kvm/paging_tmpl.h +++ b/drivers/kvm/paging_tmpl.h | |||
@@ -240,17 +240,6 @@ static void FNAME(set_pte_common)(struct kvm_vcpu *vcpu, | |||
240 | 240 | ||
241 | spte |= paddr; | 241 | spte |= paddr; |
242 | 242 | ||
243 | if (!write_fault && (spte & PT_SHADOW_USER_MASK) && | ||
244 | !(spte & PT_USER_MASK)) { | ||
245 | /* | ||
246 | * If supervisor write protect is disabled, we shadow kernel | ||
247 | * pages as user pages so we can trap the write access. | ||
248 | */ | ||
249 | spte |= PT_USER_MASK; | ||
250 | spte &= ~PT_WRITABLE_MASK; | ||
251 | access_bits &= ~PT_WRITABLE_MASK; | ||
252 | } | ||
253 | |||
254 | if ((access_bits & PT_WRITABLE_MASK) | 243 | if ((access_bits & PT_WRITABLE_MASK) |
255 | || (write_fault && !is_write_protection(vcpu) && !user_fault)) { | 244 | || (write_fault && !is_write_protection(vcpu) && !user_fault)) { |
256 | struct kvm_mmu_page *shadow; | 245 | struct kvm_mmu_page *shadow; |