[Patch 3/3]
This patch moves the arch specific x86 code from kvm_main.c to kvm_x86.c 
and fills the kvm_arch.h
header defining the current interface.

Related part from the 0/3 mail:
- A new header kvm_arch.h specifies the interface the architecture has 
to implement
- The ioctl interfaces are implemented by the generic kvm_main.c in 
three ways
a) a completely generic function is covered by kvm_main.c completely
b) a completely arch dependent function is not covered in kvm_main.c - 
at the end
   each ioctl goes to a architecture mapping doing the rest of the ioctl 
not handled
   in the generic part e.g. in kvm_vcpu_ioctl:
        default:
               r = kvm_arch_vcpu_ioctl(filp, ioctl, arg);
        }
c) functions that have a significant amount of shared code are 
implemented by
   kvm_main.c using kvm_arch_* to implement the arch specific part. 
Either by just
   mapping the old *_ioctl_whatever to *_arch_whatever or by moving some 
more of the
   code out of the arch function up to the generic portion e.g.:
          case KVM_RUN:
                r = -EINVAL;
                if (arg)
                        goto out;
                r = kvm_arch_vcpu_run(vcpu, vcpu->run);
                break;

-- 

Grüsse / regards, 
Christian Ehrhardt

IBM Linux Technology Center, Open Virtualization
+49 7031/16-3385
Ehrhardt-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org
Ehrhardt-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org

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