From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757516Ab3GQXtk (ORCPT ); Wed, 17 Jul 2013 19:49:40 -0400 Received: from p3plsmtps2ded03.prod.phx3.secureserver.net ([208.109.80.60]:56620 "EHLO p3plsmtps2ded03.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752625Ab3GQXtj (ORCPT ); Wed, 17 Jul 2013 19:49:39 -0400 x-originating-ip: 72.167.245.219 From: "K. Y. Srinivasan" To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, jasowang@redhat.com Cc: "K. Y. Srinivasan" Subject: [PATCH 1/1] Drivers: hv: balloon: Initialize the transaction ID just before sending the packet Date: Wed, 17 Jul 2013 17:27:27 -0700 Message-Id: <1374107247-26249-1-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.7.4.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 deb5c25..2d094cf 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -825,7 +825,6 @@ 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; @@ -887,6 +886,7 @@ 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, @@ -1081,7 +1081,6 @@ 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; @@ -1109,6 +1108,7 @@ 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, -- 1.7.4.1