Drivers: hv: Get rid of an unnecessary check in hv.c

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>

diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index f8a77d01a5165cc0fb8b4bd80a7793bec4eda2c4..12aa97f31f935c202d1427539f11fc1a3071f73e 100644 (file)
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -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;