diff options
| author | Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> | 2012-07-02 17:54:30 +0900 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-07-18 16:55:04 -0300 |
| commit | d19a748b1c42b133e9263e9023c1d162efa6f4ad (patch) | |
| tree | ab8885d5e02b4a25adb9a8b72d16fc0620c9323c /arch | |
| parent | 9594a4986192f99c01a7c0a1779b5ac0eff8e208 (diff) | |
KVM: Introduce hva_to_gfn_memslot() for kvm_handle_hva()
This restricts hva handling in mmu code and makes it easier to extend
kvm_handle_hva() so that it can treat a range of addresses later in this
patch series.
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Cc: Alexander Graf <agraf@suse.de>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu_hv.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/mmu.c | 3 |
2 files changed, 4 insertions, 5 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index d03eb6f7b058..37037553fe60 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -772,10 +772,10 @@ static int kvm_handle_hva(struct kvm *kvm, unsigned long hva, end = start + (memslot->npages << PAGE_SHIFT); if (hva >= start && hva < end) { - gfn_t gfn_offset = (hva - start) >> PAGE_SHIFT; + gfn_t gfn = hva_to_gfn_memslot(hva, memslot); + gfn_t gfn_offset = gfn - memslot->base_gfn; - ret = handler(kvm, &memslot->rmap[gfn_offset], - memslot->base_gfn + gfn_offset); + ret = handler(kvm, &memslot->rmap[gfn_offset], gfn); retval |= ret; } } diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 2beb95b57cbe..170a632d9d34 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1278,8 +1278,7 @@ static int kvm_handle_hva(struct kvm *kvm, unsigned long hva, end = start + (memslot->npages << PAGE_SHIFT); if (hva >= start && hva < end) { - gfn_t gfn_offset = (hva - start) >> PAGE_SHIFT; - gfn_t gfn = memslot->base_gfn + gfn_offset; + gfn_t gfn = hva_to_gfn_memslot(hva, memslot); ret = 0; |