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KVM: remove the unused parameter of gfn_to_pfn_memslot

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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>
This commit is contained in:
Xiao Guangrong 2012-07-17 21:56:16 +08:00 committed by Marcelo Tosatti
parent f340a51b7e
commit d566104853
5 changed files with 16 additions and 18 deletions
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2
arch/powerpc/kvm/e500_tlb.c
View File

@ -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);

2
arch/x86/kvm/mmu.c
View File

@ -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,

5
include/linux/kvm_host.h
View File

@ -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);

10
virt/kvm/iommu.c
View File

@ -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;

15
virt/kvm/kvm_main.c
View File

@ -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,