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| author | K. Y. Srinivasan <kys@microsoft.com> | 2013-07-18 02:27:27 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-27 01:40:42 +0200 |
| commit | 20138d6cb838aa01bb1b382dcb5f3d3a119ff2cb (patch) | |
| tree | 99f41151cd9a130cecead505c27ed01139f4493e /drivers/hv/hv_balloon.c | |
| parent | Drivers: hv: util: Fix a bug in version negotiation code for util services (diff) | |
| download | linux-20138d6cb838aa01bb1b382dcb5f3d3a119ff2cb.tar.xz linux-20138d6cb838aa01bb1b382dcb5f3d3a119ff2cb.zip | |
Drivers: hv: balloon: Initialize the transaction ID just before sending the packet
Each message sent from the guest carries with it a transaction ID.
Assign the transaction ID just before putting the message on the VMBUS.
This would help in debugging on the host side.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv/hv_balloon.c')
| -rw-r--r-- | drivers/hv/hv_balloon.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 4c605c70ebf9..8dd08c029da2 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -828,7 +828,6 @@ static void hot_add_req(struct work_struct *dummy) memset(&resp, 0, sizeof(struct dm_hot_add_response)); resp.hdr.type = DM_MEM_HOT_ADD_RESPONSE; resp.hdr.size = sizeof(struct dm_hot_add_response); - resp.hdr.trans_id = atomic_inc_return(&trans_id); #ifdef CONFIG_MEMORY_HOTPLUG pg_start = dm->ha_wrk.ha_page_range.finfo.start_page; @@ -890,6 +889,7 @@ static void hot_add_req(struct work_struct *dummy) pr_info("Memory hot add failed\n"); dm->state = DM_INITIALIZED; + resp.hdr.trans_id = atomic_inc_return(&trans_id); vmbus_sendpacket(dm->dev->channel, &resp, sizeof(struct dm_hot_add_response), (unsigned long)NULL, @@ -1076,7 +1076,6 @@ static void balloon_up(struct work_struct *dummy) bl_resp = (struct dm_balloon_response *)send_buffer; memset(send_buffer, 0, PAGE_SIZE); bl_resp->hdr.type = DM_BALLOON_RESPONSE; - bl_resp->hdr.trans_id = atomic_inc_return(&trans_id); bl_resp->hdr.size = sizeof(struct dm_balloon_response); bl_resp->more_pages = 1; @@ -1104,6 +1103,7 @@ static void balloon_up(struct work_struct *dummy) */ do { + bl_resp->hdr.trans_id = atomic_inc_return(&trans_id); ret = vmbus_sendpacket(dm_device.dev->channel, bl_resp, bl_resp->hdr.size, |