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Commit a49b9635 authored by Lan Tianyu's avatar Lan Tianyu Committed by Paolo Bonzini
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KVM: Add tlb_remote_flush_with_range callback in kvm_x86_ops 



Add flush range call back in the kvm_x86_ops and platform can use it
to register its associated function. The parameter "kvm_tlb_range"
accepts a single range and flush list which contains a list of ranges.

Signed-off-by: default avatarLan Tianyu <Tianyu.Lan@microsoft.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent ee85dec2

arch/x86/include/asm/kvm_host.h

+7 −0
Original line number Diff line number Diff line
@@ -439,6 +439,11 @@ struct kvm_mmu { 
	u64 pdptrs[4]; /* pae */

};



struct kvm_tlb_range {

	u64 start_gfn;

	u64 pages;

};



enum pmc_type {

	KVM_PMC_GP = 0,

	KVM_PMC_FIXED,
@@ -1041,6 +1046,8 @@ struct kvm_x86_ops { 


	void (*tlb_flush)(struct kvm_vcpu *vcpu, bool invalidate_gpa);

	int  (*tlb_remote_flush)(struct kvm *kvm);

	int  (*tlb_remote_flush_with_range)(struct kvm *kvm,

			struct kvm_tlb_range *range);



	/*

	 * Flush any TLB entries associated with the given GVA.