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author | Jiri Kosina <jkosina@suse.cz> | 2012-02-03 23:12:42 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2012-02-03 23:13:05 +0100 |
commit | 972c5ae961d6e5103e2b33d935cfa4145fd47140 (patch) | |
tree | 350b2a76b979ba8766c09838617df67ff330eca0 /virt/kvm/iommu.c | |
parent | drivers/char: comment fix: CMOS RTC update code is now in kernel/time/ntp.c (diff) | |
parent | Merge tag 'kmemleak-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/c... (diff) | |
download | linux-972c5ae961d6e5103e2b33d935cfa4145fd47140.tar.xz linux-972c5ae961d6e5103e2b33d935cfa4145fd47140.zip |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patch to a newer
code (namely drivers/gpu/drm/gma500/psb_intel_lvds.c)
Diffstat (limited to 'virt/kvm/iommu.c')
-rw-r--r-- | virt/kvm/iommu.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c index a195c07fa829..a457d2138f49 100644 --- a/virt/kvm/iommu.c +++ b/virt/kvm/iommu.c @@ -32,7 +32,7 @@ #include <linux/iommu.h> #include <linux/intel-iommu.h> -static int allow_unsafe_assigned_interrupts; +static bool allow_unsafe_assigned_interrupts; module_param_named(allow_unsafe_assigned_interrupts, allow_unsafe_assigned_interrupts, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(allow_unsafe_assigned_interrupts, @@ -113,7 +113,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot) /* Map into IO address space */ r = iommu_map(domain, gfn_to_gpa(gfn), pfn_to_hpa(pfn), - get_order(page_size), flags); + page_size, flags); if (r) { printk(KERN_ERR "kvm_iommu_map_address:" "iommu failed to map pfn=%llx\n", pfn); @@ -134,14 +134,15 @@ unmap_pages: static int kvm_iommu_map_memslots(struct kvm *kvm) { - int i, idx, r = 0; + int idx, r = 0; struct kvm_memslots *slots; + struct kvm_memory_slot *memslot; idx = srcu_read_lock(&kvm->srcu); slots = kvm_memslots(kvm); - for (i = 0; i < slots->nmemslots; i++) { - r = kvm_iommu_map_pages(kvm, &slots->memslots[i]); + kvm_for_each_memslot(memslot, slots) { + r = kvm_iommu_map_pages(kvm, memslot); if (r) break; } @@ -292,15 +293,15 @@ static void kvm_iommu_put_pages(struct kvm *kvm, while (gfn < end_gfn) { unsigned long unmap_pages; - int order; + size_t size; /* Get physical address */ phys = iommu_iova_to_phys(domain, gfn_to_gpa(gfn)); pfn = phys >> PAGE_SHIFT; /* Unmap address from IO address space */ - order = iommu_unmap(domain, gfn_to_gpa(gfn), 0); - unmap_pages = 1ULL << order; + size = iommu_unmap(domain, gfn_to_gpa(gfn), PAGE_SIZE); + unmap_pages = 1ULL << get_order(size); /* Unpin all pages we just unmapped to not leak any memory */ kvm_unpin_pages(kvm, pfn, unmap_pages); @@ -311,16 +312,16 @@ static void kvm_iommu_put_pages(struct kvm *kvm, static int kvm_iommu_unmap_memslots(struct kvm *kvm) { - int i, idx; + int idx; struct kvm_memslots *slots; + struct kvm_memory_slot *memslot; idx = srcu_read_lock(&kvm->srcu); slots = kvm_memslots(kvm); - for (i = 0; i < slots->nmemslots; i++) { - kvm_iommu_put_pages(kvm, slots->memslots[i].base_gfn, - slots->memslots[i].npages); - } + kvm_for_each_memslot(memslot, slots) + kvm_iommu_put_pages(kvm, memslot->base_gfn, memslot->npages); + srcu_read_unlock(&kvm->srcu, idx); return 0; |