Commit 9b06e101 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman

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: default avatarK. Y. Srinivasan <kys@microsoft.com>
Fixes: 352c9624 ("Drivers: hv: vmbus: Move the definition of generate_guest_id()")
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fda4ae18
...@@ -80,7 +80,7 @@ struct ms_hyperv_tsc_page { ...@@ -80,7 +80,7 @@ struct ms_hyperv_tsc_page {
* *
*/ */
#define HV_LINUX_VENDOR_ID 0x8800 #define HV_LINUX_VENDOR_ID 0x8100
/* /*
* Generate the guest ID based on the guideline described above. * Generate the guest ID based on the guideline described above.
...@@ -91,7 +91,7 @@ static inline __u64 generate_guest_id(__u64 d_info1, __u64 kernel_version, ...@@ -91,7 +91,7 @@ static inline __u64 generate_guest_id(__u64 d_info1, __u64 kernel_version,
{ {
__u64 guest_id = 0; __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 |= (d_info1 << 48);
guest_id |= (kernel_version << 16); guest_id |= (kernel_version << 16);
guest_id |= d_info2; guest_id |= d_info2;
......
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