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| author |   K. Y. Srinivasan <kys@microsoft.com> | 2014-01-15 17:12:58 -0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-07 08:27:34 -0800 |
| commit | e28bab4828354583bb66ac09021ca69b341a7db4 (patch) | |
| tree | 72821290e295f053d8ffa8f49cb02ea50467d84a /drivers/hv/connection.c | |
| parent | VME: Correct read/write alignment algorithm (diff) | |
| download | linux-dev-e28bab4828354583bb66ac09021ca69b341a7db4.tar.xz linux-dev-e28bab4828354583bb66ac09021ca69b341a7db4.zip | |
Drivers: hv: vmbus: Specify the target CPU that should receive notification
During the initial VMBUS connect phase, starting with WS2012 R2, we should
specify the VPCU in the guest that should receive the notification. Fix this
issue. This fix is required to properly connect to the host in the kexeced
kernel.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org> [3.9+]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv/connection.c')
| -rw-r--r-- | drivers/hv/connection.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index af6edf9b1936..855bbda9964d 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -78,6 +78,8 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, msg->interrupt_page = virt_to_phys(vmbus_connection.int_page); msg->monitor_page1 = virt_to_phys(vmbus_connection.monitor_pages[0]); msg->monitor_page2 = virt_to_phys(vmbus_connection.monitor_pages[1]); + if (version == VERSION_WIN8) + msg->target_vcpu = hv_context.vp_index[smp_processor_id()]; /* * Add to list before we send the request since we may |