From 4436d466219a6a7874ebc19eb6523c3a9a280dcc Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 31 May 2007 17:17:06 +0300 Subject: [PATCH] KVM: MMU: Remove cr0.wp tricks No longer needed as we do everything in one place. Signed-off-by: Avi Kivity --- drivers/kvm/paging_tmpl.h | 11 ----------- 1 file changed, 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, spte |= paddr; - if (!write_fault && (spte & PT_SHADOW_USER_MASK) && - !(spte & PT_USER_MASK)) { - /* - * If supervisor write protect is disabled, we shadow kernel - * pages as user pages so we can trap the write access. - */ - spte |= PT_USER_MASK; - spte &= ~PT_WRITABLE_MASK; - access_bits &= ~PT_WRITABLE_MASK; - } - if ((access_bits & PT_WRITABLE_MASK) || (write_fault && !is_write_protection(vcpu) && !user_fault)) { struct kvm_mmu_page *shadow; -- 2.20.1