From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755161Ab2BCPsa (ORCPT ); Fri, 3 Feb 2012 10:48:30 -0500 Received: from vms173003pub.verizon.net ([206.46.173.3]:50199 "EHLO vms173003pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754938Ab2BCPs2 (ORCPT ); Fri, 3 Feb 2012 10:48:28 -0500 From: Corey Minyard To: Andrew Morton Cc: Linux Kernel , OpenIPMI Developers , Srinivas_Gowda , Corey Minyard Subject: [PATCH 1/6] ipmi: decreases the IPMI message transaction time in interrupt mode Date: Fri, 03 Feb 2012 09:47:54 -0600 Message-id: <1328284079-5489-1-git-send-email-cminyard@mvista.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 From: Srinivas_Gowda Call the event handler immediately after starting the next message. This change considerably decreases the IPMI transaction time (cuts off ~9ms for a single ipmitool transaction). From: Srinivas_Gowda Signed-off-by: Srinivas_Gowda Signed-off-by: Corey Minyard --- drivers/char/ipmi/ipmi_si_intf.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 50fcf9c..73ebbb1 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -932,8 +932,10 @@ static void sender(void *send_info, spin_unlock_irqrestore(&smi_info->msg_lock, flags); spin_lock_irqsave(&smi_info->si_lock, flags); - if (smi_info->si_state == SI_NORMAL && smi_info->curr_msg == NULL) + if (smi_info->si_state == SI_NORMAL && smi_info->curr_msg == NULL) { start_next_msg(smi_info); + smi_event_handler(smi_info, 0); + } spin_unlock_irqrestore(&smi_info->si_lock, flags); } -- 1.7.4.1