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authorDavid S. Miller <davem@davemloft.net>2010-01-22 22:45:46 -0800
committerDavid S. Miller <davem@davemloft.net>2010-01-22 22:45:46 -0800
commit6be325719b3e54624397e413efd4b33a997e55a3 (patch)
tree57f321a56794cab2222e179b16731e0d76a4a68a /virt
parent26d92f9276a56d55511a427fb70bd70886af647a (diff)
parent92dcffb916d309aa01778bf8963a6932e4014d07 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/assigned-dev.c6
-rw-r--r--virt/kvm/kvm_main.c14
2 files changed, 12 insertions, 8 deletions
diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c
index fd9c097b760..f73de631e3e 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 f92ba138007..a944be392d6 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);