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path: root/arch/powerpc/kvm/book3s_hv_uvmem.c
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Diffstat (limited to 'arch/powerpc/kvm/book3s_hv_uvmem.c')
-rw-r--r--arch/powerpc/kvm/book3s_hv_uvmem.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c
index 92f33115144b..3a6592a31a10 100644
--- a/arch/powerpc/kvm/book3s_hv_uvmem.c
+++ b/arch/powerpc/kvm/book3s_hv_uvmem.c
@@ -879,9 +879,8 @@ static unsigned long kvmppc_share_page(struct kvm *kvm, unsigned long gpa,
{
int ret = H_PARAMETER;
- struct page *uvmem_page;
+ struct page *page, *uvmem_page;
struct kvmppc_uvmem_page_pvt *pvt;
- unsigned long pfn;
unsigned long gfn = gpa >> page_shift;
int srcu_idx;
unsigned long uvmem_pfn;
@@ -901,8 +900,8 @@ static unsigned long kvmppc_share_page(struct kvm *kvm, unsigned long gpa,
retry:
mutex_unlock(&kvm->arch.uvmem_lock);
- pfn = gfn_to_pfn(kvm, gfn);
- if (is_error_noslot_pfn(pfn))
+ page = gfn_to_page(kvm, gfn);
+ if (!page)
goto out;
mutex_lock(&kvm->arch.uvmem_lock);
@@ -911,16 +910,16 @@ retry:
pvt = uvmem_page->zone_device_data;
pvt->skip_page_out = true;
pvt->remove_gfn = false; /* it continues to be a valid GFN */
- kvm_release_pfn_clean(pfn);
+ kvm_release_page_unused(page);
goto retry;
}
- if (!uv_page_in(kvm->arch.lpid, pfn << page_shift, gpa, 0,
+ if (!uv_page_in(kvm->arch.lpid, page_to_pfn(page) << page_shift, gpa, 0,
page_shift)) {
kvmppc_gfn_shared(gfn, kvm);
ret = H_SUCCESS;
}
- kvm_release_pfn_clean(pfn);
+ kvm_release_page_clean(page);
mutex_unlock(&kvm->arch.uvmem_lock);
out:
srcu_read_unlock(&kvm->srcu, srcu_idx);
@@ -1083,21 +1082,21 @@ out:
int kvmppc_send_page_to_uv(struct kvm *kvm, unsigned long gfn)
{
- unsigned long pfn;
+ struct page *page;
int ret = U_SUCCESS;
- pfn = gfn_to_pfn(kvm, gfn);
- if (is_error_noslot_pfn(pfn))
+ page = gfn_to_page(kvm, gfn);
+ if (!page)
return -EFAULT;
mutex_lock(&kvm->arch.uvmem_lock);
if (kvmppc_gfn_is_uvmem_pfn(gfn, kvm, NULL))
goto out;
- ret = uv_page_in(kvm->arch.lpid, pfn << PAGE_SHIFT, gfn << PAGE_SHIFT,
- 0, PAGE_SHIFT);
+ ret = uv_page_in(kvm->arch.lpid, page_to_pfn(page) << PAGE_SHIFT,
+ gfn << PAGE_SHIFT, 0, PAGE_SHIFT);
out:
- kvm_release_pfn_clean(pfn);
+ kvm_release_page_clean(page);
mutex_unlock(&kvm->arch.uvmem_lock);
return (ret == U_SUCCESS) ? RESUME_GUEST : -EFAULT;
}