From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759284AbcDERVY (ORCPT ); Tue, 5 Apr 2016 13:21:24 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45868 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751355AbcDERVW (ORCPT ); Tue, 5 Apr 2016 13:21:22 -0400 From: Vitaly Kuznetsov To: devel@linuxdriverproject.org Cc: linux-kernel@vger.kernel.org, "K. Y. Srinivasan" , Haiyang Zhang , Alex Ng , Cathy Avery Subject: [PATCH 2/2] Drivers: hv: balloon: reset host_specified_ha_region Date: Tue, 5 Apr 2016 19:21:14 +0200 Message-Id: <1459876874-882-3-git-send-email-vkuznets@redhat.com> In-Reply-To: <1459876874-882-1-git-send-email-vkuznets@redhat.com> References: <1459876874-882-1-git-send-email-vkuznets@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We set host_specified_ha_region = true on certain request but this is a global state which stays 'true' forever. We need to reset it when we receive a request where ha_region is not specified. I did not see any real issues, the bug was found by code inspection. Signed-off-by: Vitaly Kuznetsov --- drivers/hv/hv_balloon.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 43af913..df35fb7 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -1400,6 +1400,7 @@ static void balloon_onchannelcallback(void *context) * This is a normal hot-add request specifying * hot-add memory. */ + dm->host_specified_ha_region = false; ha_pg_range = &ha_msg->range; dm->ha_wrk.ha_page_range = *ha_pg_range; dm->ha_wrk.ha_region_range.page_range = 0; -- 2.5.5