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Commit 74d0727c authored by Takuya Yoshikawa's avatar Takuya Yoshikawa Committed by Marcelo Tosatti
Browse files

KVM: set_memory_region: Make kvm_mr_change available to arch code 



This will be used for cleaning up prepare/commit_memory_region() later.

Signed-off-by: default avatarTakuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 47ae31e2

include/linux/kvm_host.h

+18 −0
Original line number Diff line number Diff line
@@ -452,6 +452,24 @@ id_to_memslot(struct kvm_memslots *slots, int id) 
	return slot;

}



/*

 * KVM_SET_USER_MEMORY_REGION ioctl allows the following operations:

 * - create a new memory slot

 * - delete an existing memory slot

 * - modify an existing memory slot

 *   -- move it in the guest physical memory space

 *   -- just change its flags

 *

 * Since flags can be changed by some of these operations, the following

 * differentiation is the best we can do for __kvm_set_memory_region():

 */

enum kvm_mr_change {

	KVM_MR_CREATE,

	KVM_MR_DELETE,

	KVM_MR_MOVE,

	KVM_MR_FLAGS_ONLY,

};



int kvm_set_memory_region(struct kvm *kvm,

			  struct kvm_userspace_memory_region *mem);

int __kvm_set_memory_region(struct kvm *kvm,

virt/kvm/kvm_main.c

+0 −18
Original line number Diff line number Diff line
@@ -718,24 +718,6 @@ static struct kvm_memslots *install_new_memslots(struct kvm *kvm, 
	return old_memslots; 

}



/*

 * KVM_SET_USER_MEMORY_REGION ioctl allows the following operations:

 * - create a new memory slot

 * - delete an existing memory slot

 * - modify an existing memory slot

 *   -- move it in the guest physical memory space

 *   -- just change its flags

 *

 * Since flags can be changed by some of these operations, the following

 * differentiation is the best we can do for __kvm_set_memory_region():

 */

enum kvm_mr_change {

	KVM_MR_CREATE,

	KVM_MR_DELETE,

	KVM_MR_MOVE,

	KVM_MR_FLAGS_ONLY,

};



/*

 * Allocate some memory and give it an address in the guest physical address

 * space.