ipmi: decrease the IPMI message transaction time in interrupt mode
authorSrinivas_Gowda <srinivas_g_gowda@dell.com>
Wed, 28 Mar 2012 21:42:48 +0000 (14:42 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 29 Mar 2012 00:14:36 +0000 (17:14 -0700)
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).

Signed-off-by: Srinivas_Gowda <srinivas_g_gowda@dell.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/char/ipmi/ipmi_si_intf.c

index 50fcf9c..73ebbb1 100644 (file)
@@ -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);
 }