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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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