diff options
| author | Zhang Xiantao | 2007-11-15 16:07:47 +0100 |
|---|---|---|
| committer | Avi Kivity | 2008-01-30 16:53:03 +0100 |
| commit | 018d00d2fef27fc65f2917bec8f72b93615c18e1 (patch) | |
| tree | f2591e8da457287195e138a62e2d34a8bdfbe14c /drivers/kvm/x86.c | |
| parent | KVM: x86 emulator: modify 'lods', and 'stos' not to depend on CR2 (diff) | |
| download | kernel-qcow2-linux-018d00d2fef27fc65f2917bec8f72b93615c18e1.tar.gz kernel-qcow2-linux-018d00d2fef27fc65f2917bec8f72b93615c18e1.tar.xz kernel-qcow2-linux-018d00d2fef27fc65f2917bec8f72b93615c18e1.zip | |
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>
Diffstat (limited to 'drivers/kvm/x86.c')
| -rw-r--r-- | drivers/kvm/x86.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c index bbfa810bf8bd..609792637fb4 100644 --- a/drivers/kvm/x86.c +++ b/drivers/kvm/x86.c @@ -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) { |