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Subject[PATCH 08/55] KVM: Export memory slot allocation mechanism
Date
From: Izik Eidus <izike@qumranet.com>

Remove kvm memory slot allocation mechanism from the ioctl
and put it to exported function.

Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---
drivers/kvm/kvm.h | 3 +++
drivers/kvm/kvm_main.c | 17 +++++++++++++----
2 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 12de42c..f3dda08 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -513,6 +513,9 @@ struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva);
extern struct page *bad_page;

int is_error_page(struct page *page);
+int kvm_set_memory_region(struct kvm *kvm,
+ struct kvm_userspace_memory_region *mem,
+ int user_alloc);
gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn);
struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
void kvm_release_page(struct page *page);
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 0e8f77d..16176a2 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -643,10 +643,9 @@ EXPORT_SYMBOL_GPL(fx_init);
*
* Discontiguous memory is allowed, mostly for framebuffers.
*/
-static int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
- struct
- kvm_userspace_memory_region *mem,
- int user_alloc)
+int kvm_set_memory_region(struct kvm *kvm,
+ struct kvm_userspace_memory_region *mem,
+ int user_alloc)
{
int r;
gfn_t base_gfn;
@@ -789,6 +788,16 @@ out_unlock:
kvm_free_physmem_slot(&new, &old);
out:
return r;
+
+}
+EXPORT_SYMBOL_GPL(kvm_set_memory_region);
+
+static int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
+ struct
+ kvm_userspace_memory_region *mem,
+ int user_alloc)
+{
+ return kvm_set_memory_region(kvm, mem, user_alloc);
}

static int kvm_vm_ioctl_set_nr_mmu_pages(struct kvm *kvm,
--
1.5.3.7


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