AcoSail/kernel_optimize_test
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KVM: remove long -> void *user -> long cast

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kvm_dev_ioctl casts the arg value to void __user *, just to recast it
again to long. This seems unnecessary.

According to objdump the binary code on x86 is unchanged by this patch.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Christian Borntraeger 2008-04-21 13:48:24 +02:00 committed by Avi Kivity
parent 5b664cb235
commit 1e1c65e03e
1 changed files with 1 additions and 2 deletions
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3
virt/kvm/kvm_main.c
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@ -1179,7 +1179,6 @@ static int kvm_dev_ioctl_create_vm(void)
static long kvm_dev_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg)
{
void __user *argp = (void __user *)arg;
long r = -EINVAL;
switch (ioctl) {
@ -1196,7 +1195,7 @@ static long kvm_dev_ioctl(struct file *filp,
r = kvm_dev_ioctl_create_vm();
break;
case KVM_CHECK_EXTENSION:
r = kvm_dev_ioctl_check_extension((long)argp);
r = kvm_dev_ioctl_check_extension(arg);
break;
case KVM_GET_VCPU_MMAP_SIZE:
r = -EINVAL;