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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-12-01 06:21:03 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-12-01 06:21:03 +0300
commitc00552ebafddfe6abb397d957004f165e010abd2 (patch)
treeb397d6773b545755ffdae7566f8b96b08ee54ebb /arch/arm/kvm/mmu.c
parent842f57baab186417d89810f3dd6147f1ef3009dd (diff)
parent009d0431c3914de64666bec0d350e54fdd59df6a (diff)
downloadlinux-c00552ebafddfe6abb397d957004f165e010abd2.tar.xz
Merge 3.18-rc7 into usb-next
We need the xhci fixes here and this resolves a merge issue with drivers/usb/dwc3/ep0.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/kvm/mmu.c')
-rw-r--r--arch/arm/kvm/mmu.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 57a403a5c22b..8664ff17cbbe 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -197,7 +197,8 @@ static void unmap_range(struct kvm *kvm, pgd_t *pgdp,
pgd = pgdp + pgd_index(addr);
do {
next = kvm_pgd_addr_end(addr, end);
- unmap_puds(kvm, pgd, addr, next);
+ if (!pgd_none(*pgd))
+ unmap_puds(kvm, pgd, addr, next);
} while (pgd++, addr = next, addr != end);
}
@@ -834,6 +835,11 @@ static bool kvm_is_write_fault(struct kvm_vcpu *vcpu)
return kvm_vcpu_dabt_iswrite(vcpu);
}
+static bool kvm_is_device_pfn(unsigned long pfn)
+{
+ return !pfn_valid(pfn);
+}
+
static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
struct kvm_memory_slot *memslot, unsigned long hva,
unsigned long fault_status)
@@ -904,7 +910,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
if (is_error_pfn(pfn))
return -EFAULT;
- if (kvm_is_mmio_pfn(pfn))
+ if (kvm_is_device_pfn(pfn))
mem_type = PAGE_S2_DEVICE;
spin_lock(&kvm->mmu_lock);