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Commit 4436d466 authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: MMU: Remove cr0.wp tricks 



No longer needed as we do everything in one place.

Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent e663ee64

drivers/kvm/paging_tmpl.h

+0 −11
Original line number Diff line number Diff line
@@ -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;