KVM: PPC: Put segment registers in shared page

Now that the actual mtsr doesn't do anything anymore, we can move the sr
contents over to the shared page, so a guest can directly read and write
its sr contents from guest context.

Signed-off-by: Alexander Graf <agraf@suse.de>

arch/powerpc/include/asm/kvm_para.h

@@ -38,6 +38,7 @@ struct kvm_vcpu_arch_shared {
 	__u64 msr;
 	__u32 dsisr;
 	__u32 int_pending;	/* Tells the guest if we have an interrupt */
+	__u32 sr[16];
 };
 
 #define KVM_SC_MAGIC_R0		0x4b564d21 /* "KVM!" */