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authorXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>2012-07-17 17:56:16 +0400
committerMarcelo Tosatti <mtosatti@redhat.com>2012-07-20 04:25:24 +0400
commitd566104853361cc377c61f70e41c1ad3d44b86c6 (patch)
tree6b77f5e4f299bfb0d6c3fa7b3768e7299539f8af
parentf340a51b7e41abbe92ae3a327c0020974a059f95 (diff)
downloadlinux-d566104853361cc377c61f70e41c1ad3d44b86c6.tar.xz
KVM: remove the unused parameter of gfn_to_pfn_memslot
The parameter, 'kvm', is not used in gfn_to_pfn_memslot, we can happily remove it Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
-rw-r--r--arch/powerpc/kvm/e500_tlb.c2
-rw-r--r--arch/x86/kvm/mmu.c2
-rw-r--r--include/linux/kvm_host.h5
-rw-r--r--virt/kvm/iommu.c10
-rw-r--r--virt/kvm/kvm_main.c15
5 files changed, 16 insertions, 18 deletions
diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c
index c510fc961302..c8f6c5826742 100644
--- a/arch/powerpc/kvm/e500_tlb.c
+++ b/arch/powerpc/kvm/e500_tlb.c
@@ -520,7 +520,7 @@ static inline void kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
if (likely(!pfnmap)) {
unsigned long tsize_pages = 1 << (tsize + 10 - PAGE_SHIFT);
- pfn = gfn_to_pfn_memslot(vcpu_e500->vcpu.kvm, slot, gfn);
+ pfn = gfn_to_pfn_memslot(slot, gfn);
if (is_error_pfn(pfn)) {
printk(KERN_ERR "Couldn't get real page for gfn %lx!\n",
(long)gfn);
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index f85cc21ae95d..4f77f7ac6d25 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2518,7 +2518,7 @@ static pfn_t pte_prefetch_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn,
hva = gfn_to_hva_memslot(slot, gfn);
- return hva_to_pfn_atomic(vcpu->kvm, hva);
+ return hva_to_pfn_atomic(hva);
}
static int direct_pte_prefetch_many(struct kvm_vcpu *vcpu,
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index e8d13a072d24..db9aa917840a 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -418,15 +418,14 @@ void kvm_release_page_dirty(struct page *page);
void kvm_set_page_dirty(struct page *page);
void kvm_set_page_accessed(struct page *page);
-pfn_t hva_to_pfn_atomic(struct kvm *kvm, unsigned long addr);
+pfn_t hva_to_pfn_atomic(unsigned long addr);
pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn);
pfn_t gfn_to_pfn_async(struct kvm *kvm, gfn_t gfn, bool *async,
bool write_fault, bool *writable);
pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
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);
+pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, 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);
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index e9fff9830bf0..c03f1fb26701 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -42,13 +42,13 @@ static int kvm_iommu_unmap_memslots(struct kvm *kvm);
static void kvm_iommu_put_pages(struct kvm *kvm,
gfn_t base_gfn, unsigned long npages);
-static pfn_t kvm_pin_pages(struct kvm *kvm, struct kvm_memory_slot *slot,
- gfn_t gfn, unsigned long size)
+static pfn_t kvm_pin_pages(struct kvm_memory_slot *slot, gfn_t gfn,
+ unsigned long size)
{
gfn_t end_gfn;
pfn_t pfn;
- pfn = gfn_to_pfn_memslot(kvm, slot, gfn);
+ pfn = gfn_to_pfn_memslot(slot, gfn);
end_gfn = gfn + (size >> PAGE_SHIFT);
gfn += 1;
@@ -56,7 +56,7 @@ static pfn_t kvm_pin_pages(struct kvm *kvm, struct kvm_memory_slot *slot,
return pfn;
while (gfn < end_gfn)
- gfn_to_pfn_memslot(kvm, slot, gfn++);
+ gfn_to_pfn_memslot(slot, gfn++);
return pfn;
}
@@ -105,7 +105,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
* Pin all pages we are about to map in memory. This is
* important because we unmap and unpin in 4kb steps later.
*/
- pfn = kvm_pin_pages(kvm, slot, gfn, page_size);
+ pfn = kvm_pin_pages(slot, gfn, page_size);
if (is_error_pfn(pfn)) {
gfn += 1;
continue;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index f955eee92aa9..68dda513cd72 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1062,8 +1062,8 @@ static inline int check_user_page_hwpoison(unsigned long addr)
return rc == -EHWPOISON;
}
-static pfn_t hva_to_pfn(struct kvm *kvm, unsigned long addr, bool atomic,
- bool *async, bool write_fault, bool *writable)
+static pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async,
+ bool write_fault, bool *writable)
{
struct page *page[1];
int npages = 0;
@@ -1143,9 +1143,9 @@ static pfn_t hva_to_pfn(struct kvm *kvm, unsigned long addr, bool atomic,
return pfn;
}
-pfn_t hva_to_pfn_atomic(struct kvm *kvm, unsigned long addr)
+pfn_t hva_to_pfn_atomic(unsigned long addr)
{
- return hva_to_pfn(kvm, addr, true, NULL, true, NULL);
+ return hva_to_pfn(addr, true, NULL, true, NULL);
}
EXPORT_SYMBOL_GPL(hva_to_pfn_atomic);
@@ -1163,7 +1163,7 @@ static pfn_t __gfn_to_pfn(struct kvm *kvm, gfn_t gfn, bool atomic, bool *async,
return page_to_pfn(bad_page);
}
- return hva_to_pfn(kvm, addr, atomic, async, write_fault, writable);
+ return hva_to_pfn(addr, atomic, async, write_fault, writable);
}
pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn)
@@ -1192,11 +1192,10 @@ pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
}
EXPORT_SYMBOL_GPL(gfn_to_pfn_prot);
-pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
- struct kvm_memory_slot *slot, gfn_t gfn)
+pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn)
{
unsigned long addr = gfn_to_hva_memslot(slot, gfn);
- return hva_to_pfn(kvm, addr, false, NULL, true, NULL);
+ return hva_to_pfn(addr, false, NULL, true, NULL);
}
int gfn_to_page_many_atomic(struct kvm *kvm, gfn_t gfn, struct page **pages,