From 6c8ee57be9350c5c2cafdd6a99d0462d528676e2 Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Fri, 3 Aug 2012 15:37:54 +0800 Subject: KVM: introduce KVM_PFN_ERR_FAULT After that, the exported and un-inline function, get_fault_pfn, can be removed Signed-off-by: Xiao Guangrong Signed-off-by: Avi Kivity --- virt/kvm/kvm_main.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) (limited to 'virt') diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 14ec567816a..ef0491645a1 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -939,12 +939,6 @@ static pfn_t get_bad_pfn(void) return -ENOENT; } -pfn_t get_fault_pfn(void) -{ - return -EFAULT; -} -EXPORT_SYMBOL_GPL(get_fault_pfn); - static pfn_t get_hwpoison_pfn(void) { return -EHWPOISON; @@ -1115,7 +1109,7 @@ static pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async, struct vm_area_struct *vma; if (atomic) - return get_fault_pfn(); + return KVM_PFN_ERR_FAULT; down_read(¤t->mm->mmap_sem); if (npages == -EHWPOISON || @@ -1127,7 +1121,7 @@ static pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async, vma = find_vma_intersection(current->mm, addr, addr+1); if (vma == NULL) - pfn = get_fault_pfn(); + pfn = KVM_PFN_ERR_FAULT; else if ((vma->vm_flags & VM_PFNMAP)) { pfn = ((addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; @@ -1135,7 +1129,7 @@ static pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async, } else { if (async && (vma->vm_flags & VM_WRITE)) *async = true; - pfn = get_fault_pfn(); + pfn = KVM_PFN_ERR_FAULT; } up_read(¤t->mm->mmap_sem); } else -- cgit v1.2.3-70-g09d2