diff options
Diffstat (limited to 'virt')
-rw-r--r-- | virt/kvm/assigned-dev.c | 1 | ||||
-rw-r--r-- | virt/kvm/coalesced_mmio.c | 1 | ||||
-rw-r--r-- | virt/kvm/eventfd.c | 1 | ||||
-rw-r--r-- | virt/kvm/ioapic.c | 1 | ||||
-rw-r--r-- | virt/kvm/irq_comm.c | 1 | ||||
-rw-r--r-- | virt/kvm/kvm_main.c | 19 |
6 files changed, 18 insertions, 6 deletions
diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index 057e2cca6af..02ff2b19dbe 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -16,6 +16,7 @@ #include <linux/spinlock.h> #include <linux/pci.h> #include <linux/interrupt.h> +#include <linux/slab.h> #include "irq.h" static struct kvm_assigned_dev_kernel *kvm_find_assigned_dev(struct list_head *head, diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c index 5169736377a..36e25802964 100644 --- a/virt/kvm/coalesced_mmio.c +++ b/virt/kvm/coalesced_mmio.c @@ -10,6 +10,7 @@ #include "iodev.h" #include <linux/kvm_host.h> +#include <linux/slab.h> #include <linux/kvm.h> #include "coalesced_mmio.h" diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index 7016319b1ec..b81f0ebbaaa 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -30,6 +30,7 @@ #include <linux/list.h> #include <linux/eventfd.h> #include <linux/kernel.h> +#include <linux/slab.h> #include "iodev.h" diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index 3db15a807f8..03a5eb22da2 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -33,6 +33,7 @@ #include <linux/smp.h> #include <linux/hrtimer.h> #include <linux/io.h> +#include <linux/slab.h> #include <asm/processor.h> #include <asm/page.h> #include <asm/current.h> diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c index 9fd5b3ebc51..a0e88809e45 100644 --- a/virt/kvm/irq_comm.c +++ b/virt/kvm/irq_comm.c @@ -20,6 +20,7 @@ */ #include <linux/kvm_host.h> +#include <linux/slab.h> #include <trace/events/kvm.h> #include <asm/msidef.h> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 548f9253c19..c82ae249263 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -22,7 +22,6 @@ #include <linux/module.h> #include <linux/errno.h> #include <linux/percpu.h> -#include <linux/gfp.h> #include <linux/mm.h> #include <linux/miscdevice.h> #include <linux/vmalloc.h> @@ -46,6 +45,7 @@ #include <linux/compat.h> #include <linux/srcu.h> #include <linux/hugetlb.h> +#include <linux/slab.h> #include <asm/processor.h> #include <asm/io.h> @@ -341,7 +341,11 @@ static void kvm_mmu_notifier_release(struct mmu_notifier *mn, struct mm_struct *mm) { struct kvm *kvm = mmu_notifier_to_kvm(mn); + int idx; + + idx = srcu_read_lock(&kvm->srcu); kvm_arch_flush_shadow(kvm); + srcu_read_unlock(&kvm->srcu, idx); } static const struct mmu_notifier_ops kvm_mmu_notifier_ops = { @@ -648,7 +652,7 @@ skip_lpage: /* Allocate page dirty bitmap if needed */ if ((new.flags & KVM_MEM_LOG_DIRTY_PAGES) && !new.dirty_bitmap) { - unsigned dirty_bytes = ALIGN(npages, BITS_PER_LONG) / 8; + unsigned long dirty_bytes = kvm_dirty_bitmap_bytes(&new); new.dirty_bitmap = vmalloc(dirty_bytes); if (!new.dirty_bitmap) @@ -768,7 +772,7 @@ int kvm_get_dirty_log(struct kvm *kvm, { struct kvm_memory_slot *memslot; int r, i; - int n; + unsigned long n; unsigned long any = 0; r = -EINVAL; @@ -780,7 +784,7 @@ int kvm_get_dirty_log(struct kvm *kvm, if (!memslot->dirty_bitmap) goto out; - n = ALIGN(memslot->npages, BITS_PER_LONG) / 8; + n = kvm_dirty_bitmap_bytes(memslot); for (i = 0; !any && i < n/sizeof(long); ++i) any = memslot->dirty_bitmap[i]; @@ -1186,10 +1190,13 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn) memslot = gfn_to_memslot_unaliased(kvm, gfn); if (memslot && memslot->dirty_bitmap) { unsigned long rel_gfn = gfn - memslot->base_gfn; + unsigned long *p = memslot->dirty_bitmap + + rel_gfn / BITS_PER_LONG; + int offset = rel_gfn % BITS_PER_LONG; /* avoid RMW */ - if (!generic_test_le_bit(rel_gfn, memslot->dirty_bitmap)) - generic___set_le_bit(rel_gfn, memslot->dirty_bitmap); + if (!generic_test_le_bit(offset, p)) + generic___set_le_bit(offset, p); } } |