hyperv/vmbus: Nuke unnecessary MSR read

MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D6528
2016-05-25 05:45:43 +00:00 · 2016-05-25 05:45:43 +00:00 · c1d5ebc5a4
commit c1d5ebc5a4
parent 8239b2f287
1 changed files with 0 additions and 6 deletions
--- a/sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c
+++ b/sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c
@ -215,15 +215,9 @@ vmbus_synic_setup(void *xsc)
 	hv_vmbus_synic_siefp	siefp;
 	hv_vmbus_synic_scontrol sctrl;
 	hv_vmbus_synic_sint	shared_sint;
-	uint64_t		version;

 	cpu = PCPU_GET(cpuid);

-	/*
-	 * TODO: Check the version
-	 */
-	version = rdmsr(HV_X64_MSR_SVERSION);
-
 	/*
 	 * Setup the Synic's message page
 	 */