diff options
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/assigned-dev.c | 6 | ||||
| -rw-r--r-- | virt/kvm/kvm_main.c | 14 |
2 files changed, 12 insertions, 8 deletions
diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index fd9c097b760a..f73de631e3ee 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -508,8 +508,8 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm, struct kvm_assigned_dev_kernel *match; struct pci_dev *dev; - down_read(&kvm->slots_lock); mutex_lock(&kvm->lock); + down_read(&kvm->slots_lock); match = kvm_find_assigned_dev(&kvm->arch.assigned_dev_head, assigned_dev->assigned_dev_id); @@ -573,8 +573,8 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm, } out: - mutex_unlock(&kvm->lock); up_read(&kvm->slots_lock); + mutex_unlock(&kvm->lock); return r; out_list_del: list_del(&match->list); @@ -585,8 +585,8 @@ out_put: pci_dev_put(dev); out_free: kfree(match); - mutex_unlock(&kvm->lock); up_read(&kvm->slots_lock); + mutex_unlock(&kvm->lock); return r; } diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index f92ba138007a..a944be392d6e 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -49,6 +49,7 @@ #include <asm/io.h> #include <asm/uaccess.h> #include <asm/pgtable.h> +#include <asm-generic/bitops/le.h> #ifdef KVM_COALESCED_MMIO_PAGE_OFFSET #include "coalesced_mmio.h" @@ -63,7 +64,7 @@ MODULE_LICENSE("GPL"); /* * Ordering of locks: * - * kvm->slots_lock --> kvm->lock --> kvm->irq_lock + * kvm->lock --> kvm->slots_lock --> kvm->irq_lock */ DEFINE_SPINLOCK(kvm_lock); @@ -405,8 +406,11 @@ static struct kvm *kvm_create_vm(void) out: return kvm; +#if defined(KVM_COALESCED_MMIO_PAGE_OFFSET) || \ + (defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER)) out_err: hardware_disable_all(); +#endif out_err_nodisable: kfree(kvm); return ERR_PTR(r); @@ -1071,8 +1075,8 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn) unsigned long rel_gfn = gfn - memslot->base_gfn; /* avoid RMW */ - if (!test_bit(rel_gfn, memslot->dirty_bitmap)) - set_bit(rel_gfn, memslot->dirty_bitmap); + if (!generic_test_le_bit(rel_gfn, memslot->dirty_bitmap)) + generic___set_le_bit(rel_gfn, memslot->dirty_bitmap); } } @@ -1176,7 +1180,7 @@ static struct file_operations kvm_vcpu_fops = { */ static int create_vcpu_fd(struct kvm_vcpu *vcpu) { - return anon_inode_getfd("kvm-vcpu", &kvm_vcpu_fops, vcpu, 0); + return anon_inode_getfd("kvm-vcpu", &kvm_vcpu_fops, vcpu, O_RDWR); } /* @@ -1637,7 +1641,7 @@ static int kvm_dev_ioctl_create_vm(void) kvm = kvm_create_vm(); if (IS_ERR(kvm)) return PTR_ERR(kvm); - fd = anon_inode_getfd("kvm-vm", &kvm_vm_fops, kvm, 0); + fd = anon_inode_getfd("kvm-vm", &kvm_vm_fops, kvm, O_RDWR); if (fd < 0) kvm_put_kvm(kvm); |