sparc: Don't do expensive hypervisor PCR write unless necessary.

[ Upstream commit 314ff52727fe94dfbe07f3a9a489ab3ca8d8df5a ]

The hypervisor call is only necessary if hypervisor events are
being requested.

So if we're not tracking hypervisor events, simply do a direct
register write.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1 file changed