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Diffstat (limited to 'virt/kvm/kvm_main.c')
-rw-r--r--virt/kvm/kvm_main.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 537f33ac49de..cb5c13eee193 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1301,7 +1301,7 @@ static void kvm_destroy_vm(struct kvm *kvm)
* At this point, pending calls to invalidate_range_start()
* have completed but no more MMU notifiers will run, so
* mn_active_invalidate_count may remain unbalanced.
- * No threads can be waiting in install_new_memslots as the
+ * No threads can be waiting in kvm_swap_active_memslots() as the
* last reference on KVM has been dropped, but freeing
* memslots would deadlock without this manual intervention.
*/
@@ -1745,13 +1745,13 @@ static void kvm_invalidate_memslot(struct kvm *kvm,
kvm_arch_flush_shadow_memslot(kvm, old);
kvm_arch_guest_memory_reclaimed(kvm);
- /* Was released by kvm_swap_active_memslots, reacquire. */
+ /* Was released by kvm_swap_active_memslots(), reacquire. */
mutex_lock(&kvm->slots_arch_lock);
/*
* Copy the arch-specific field of the newly-installed slot back to the
* old slot as the arch data could have changed between releasing
- * slots_arch_lock in install_new_memslots() and re-acquiring the lock
+ * slots_arch_lock in kvm_swap_active_memslots() and re-acquiring the lock
* above. Writers are required to retrieve memslots *after* acquiring
* slots_arch_lock, thus the active slot's data is guaranteed to be fresh.
*/
@@ -1813,11 +1813,11 @@ static int kvm_set_memslot(struct kvm *kvm,
int r;
/*
- * Released in kvm_swap_active_memslots.
+ * Released in kvm_swap_active_memslots().
*
- * Must be held from before the current memslots are copied until
- * after the new memslots are installed with rcu_assign_pointer,
- * then released before the synchronize srcu in kvm_swap_active_memslots.
+ * Must be held from before the current memslots are copied until after
+ * the new memslots are installed with rcu_assign_pointer, then
+ * released before the synchronize srcu in kvm_swap_active_memslots().
*
* When modifying memslots outside of the slots_lock, must be held
* before reading the pointer to the current memslots until after all
@@ -3869,7 +3869,7 @@ static int create_vcpu_fd(struct kvm_vcpu *vcpu)
#ifdef __KVM_HAVE_ARCH_VCPU_DEBUGFS
static int vcpu_get_pid(void *data, u64 *val)
{
- struct kvm_vcpu *vcpu = (struct kvm_vcpu *) data;
+ struct kvm_vcpu *vcpu = data;
*val = pid_nr(rcu_access_pointer(vcpu->pid));
return 0;
}
@@ -4470,7 +4470,7 @@ static int kvm_ioctl_create_device(struct kvm *kvm,
return 0;
}
-static long kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
+static int kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
{
switch (arg) {
case KVM_CAP_USER_MEMORY:
@@ -5047,7 +5047,7 @@ put_fd:
static long kvm_dev_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg)
{
- long r = -EINVAL;
+ int r = -EINVAL;
switch (ioctl) {
case KVM_GET_API_VERSION:
@@ -5574,8 +5574,7 @@ static int kvm_debugfs_open(struct inode *inode, struct file *file,
const char *fmt)
{
int ret;
- struct kvm_stat_data *stat_data = (struct kvm_stat_data *)
- inode->i_private;
+ struct kvm_stat_data *stat_data = inode->i_private;
/*
* The debugfs files are a reference to the kvm struct which
@@ -5596,8 +5595,7 @@ static int kvm_debugfs_open(struct inode *inode, struct file *file,
static int kvm_debugfs_release(struct inode *inode, struct file *file)
{
- struct kvm_stat_data *stat_data = (struct kvm_stat_data *)
- inode->i_private;
+ struct kvm_stat_data *stat_data = inode->i_private;
simple_attr_release(inode, file);
kvm_put_kvm(stat_data->kvm);
@@ -5646,7 +5644,7 @@ static int kvm_clear_stat_per_vcpu(struct kvm *kvm, size_t offset)
static int kvm_stat_data_get(void *data, u64 *val)
{
int r = -EFAULT;
- struct kvm_stat_data *stat_data = (struct kvm_stat_data *)data;
+ struct kvm_stat_data *stat_data = data;
switch (stat_data->kind) {
case KVM_STAT_VM:
@@ -5665,7 +5663,7 @@ static int kvm_stat_data_get(void *data, u64 *val)
static int kvm_stat_data_clear(void *data, u64 val)
{
int r = -EFAULT;
- struct kvm_stat_data *stat_data = (struct kvm_stat_data *)data;
+ struct kvm_stat_data *stat_data = data;
if (val)
return -EINVAL;