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Commit 0ee8dcb8 authored by Xiao Guangrong's avatar Xiao Guangrong Committed by Avi Kivity
Browse files

KVM: cleanup memslot_id function 



We can get memslot id from memslot->id directly

Signed-off-by: default avatarXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 9f381a61

include/linux/kvm_host.h

+5 −1
Original line number Diff line number Diff line
@@ -365,7 +365,6 @@ pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault, 
		      bool *writable);

pfn_t gfn_to_pfn_memslot(struct kvm *kvm,

			 struct kvm_memory_slot *slot, gfn_t gfn);

int memslot_id(struct kvm *kvm, gfn_t gfn);

void kvm_release_pfn_dirty(pfn_t);

void kvm_release_pfn_clean(pfn_t pfn);

void kvm_set_pfn_dirty(pfn_t pfn);
@@ -597,6 +596,11 @@ static inline void kvm_guest_exit(void) 
	current->flags &= ~PF_VCPU;

}



static inline int memslot_id(struct kvm *kvm, gfn_t gfn)

{

	return gfn_to_memslot(kvm, gfn)->id;

}



static inline unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot,

					       gfn_t gfn)

{

virt/kvm/kvm_main.c

+0 −17
Original line number Diff line number Diff line
@@ -996,23 +996,6 @@ out: 
	return size;

}



int memslot_id(struct kvm *kvm, gfn_t gfn)

{

	int i;

	struct kvm_memslots *slots = kvm_memslots(kvm);

	struct kvm_memory_slot *memslot = NULL;



	for (i = 0; i < slots->nmemslots; ++i) {

		memslot = &slots->memslots[i];



		if (gfn >= memslot->base_gfn

		    && gfn < memslot->base_gfn + memslot->npages)

			break;

	}



	return memslot - slots->memslots;

}



static unsigned long gfn_to_hva_many(struct kvm_memory_slot *slot, gfn_t gfn,

				     gfn_t *nr_pages)

{