From e9f85cde99fa011db256f6683ba81d155e0d3f57 Mon Sep 17 00:00:00 2001 From: Zhang Xiantao Date: Thu, 22 Nov 2007 11:20:33 +0800 Subject: [PATCH] KVM: Portability: Move unalias_gfn to arch dependent file Non-x86 archs don't need this mechanism. Move it to arch, and keep its interface in common. Signed-off-by: Zhang Xiantao Acked-by: Carsten Otte Signed-off-by: Avi Kivity --- drivers/kvm/kvm_main.c | 14 -------------- drivers/kvm/x86.c | 14 ++++++++++++++ 2 files changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 0efd759e58..721e660023 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -408,20 +408,6 @@ int kvm_is_error_hva(unsigned long addr) } EXPORT_SYMBOL_GPL(kvm_is_error_hva); -gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn) -{ - int i; - struct kvm_mem_alias *alias; - - for (i = 0; i < kvm->naliases; ++i) { - alias = &kvm->aliases[i]; - if (gfn >= alias->base_gfn - && gfn < alias->base_gfn + alias->npages) - return alias->target_gfn + gfn - alias->base_gfn; - } - return gfn; -} - static struct kvm_memory_slot *__gfn_to_memslot(struct kvm *kvm, gfn_t gfn) { int i; diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c index 7237cb25f7..2be59364a4 100644 --- a/drivers/kvm/x86.c +++ b/drivers/kvm/x86.c @@ -1119,6 +1119,20 @@ static int kvm_vm_ioctl_get_nr_mmu_pages(struct kvm *kvm) return kvm->n_alloc_mmu_pages; } +gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn) +{ + int i; + struct kvm_mem_alias *alias; + + for (i = 0; i < kvm->naliases; ++i) { + alias = &kvm->aliases[i]; + if (gfn >= alias->base_gfn + && gfn < alias->base_gfn + alias->npages) + return alias->target_gfn + gfn - alias->base_gfn; + } + return gfn; +} + /* * Set a new alias region. Aliases map a portion of physical memory into * another portion. This is useful for memory windows, for example the PC -- 2.20.1