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Code Issues Projects Releases Wiki Activity

KVM: Portability: move KVM_CHECK_EXTENSION 

Make KVM_CHECK_EXTENSION code into a function, all archs can define its
capability independently.

Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Zhang Xiantao 2007-11-15 23:07:47 +08:00 committed by Avi Kivity
parent a7e6c88a78
commit 018d00d2fe
3 changed files with 25 additions and 16 deletions
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3
drivers/kvm/kvm.h
View File

@ -628,6 +628,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg);
void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
int kvm_dev_ioctl_check_extension(long ext);
int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
struct
kvm_userspace_memory_region *mem,

18
drivers/kvm/kvm_main.c
View File

@ -1198,23 +1198,9 @@ static long kvm_dev_ioctl(struct file *filp,
goto out;
r = kvm_dev_ioctl_create_vm();
break;
case KVM_CHECK_EXTENSION: {
int ext = (long)argp;
switch (ext) {
case KVM_CAP_IRQCHIP:
case KVM_CAP_HLT:
case KVM_CAP_MMU_SHADOW_CACHE_CONTROL:
case KVM_CAP_USER_MEMORY:
case KVM_CAP_SET_TSS_ADDR:
r = 1;
break;
default:
r = 0;
break;
}
case KVM_CHECK_EXTENSION:
r = kvm_dev_ioctl_check_extension((long)argp);
break;
}
case KVM_GET_VCPU_MMAP_SIZE:
r = -EINVAL;
if (arg)

20
drivers/kvm/x86.c
View File

@ -599,6 +599,26 @@ void decache_vcpus_on_cpu(int cpu)
spin_unlock(&kvm_lock);
}
int kvm_dev_ioctl_check_extension(long ext)
{
int r;
switch (ext) {
case KVM_CAP_IRQCHIP:
case KVM_CAP_HLT:
case KVM_CAP_MMU_SHADOW_CACHE_CONTROL:
case KVM_CAP_USER_MEMORY:
case KVM_CAP_SET_TSS_ADDR:
r = 1;
break;
default:
r = 0;
break;
}
return r;
}
long kvm_arch_dev_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg)
{