Drivers: hv: Get rid of an unnecessary check in hv.c
K. Y. Srinivasan [Mon, 12 Dec 2011 17:29:18 +0000 (09:29 -0800)]
In preparation for eventually supporting kexec in Linux VMs on Hyper-V,
get rid of an unnecessary check in hv_init().

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/hv/hv.c

index f8a77d0..12aa97f 100644 (file)
@@ -164,11 +164,6 @@ int hv_init(void)
 
        max_leaf = query_hypervisor_info();
 
-       rdmsrl(HV_X64_MSR_GUEST_OS_ID, hv_context.guestid);
-
-       if (hv_context.guestid != 0)
-               goto cleanup;
-
        /* Write our OS info */
        wrmsrl(HV_X64_MSR_GUEST_OS_ID, HV_LINUX_GUEST_ID);
        hv_context.guestid = HV_LINUX_GUEST_ID;