Drivers: hv: Fix the bug in generating the guest ID
Fix the bug in the generation of the guest ID. Without this fix
the host side telemetry code is broken.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Fixes: 352c9624242d ("Drivers: hv: vmbus: Move the definition of generate_guest_id()")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index f8dc370..56407c6 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -80,7 +80,7 @@
*
*/
-#define HV_LINUX_VENDOR_ID 0x8800
+#define HV_LINUX_VENDOR_ID 0x8100
/*
* Generate the guest ID based on the guideline described above.
@@ -91,7 +91,7 @@
{
__u64 guest_id = 0;
- guest_id = (((__u64)HV_LINUX_VENDOR_ID) << 56);
+ guest_id = (((__u64)HV_LINUX_VENDOR_ID) << 48);
guest_id |= (d_info1 << 48);
guest_id |= (kernel_version << 16);
guest_id |= d_info2;