1 files changed, 19 insertions, 2 deletions

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index ad9ea06caee0..b106c45abfc9 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -217,6 +217,11 @@ struct smi_info
         struct list_head link;
 };
 
+#define SI_MAX_PARMS 4
+
+static int force_kipmid[SI_MAX_PARMS];
+static int num_force_kipmid;
+
 static int try_smi_init(struct smi_info *smi);
 
 static ATOMIC_NOTIFIER_HEAD(xaction_notifier_list);
@@ -908,6 +913,7 @@ static int smi_start_processing(void       *send_info,
                                 ipmi_smi_t intf)
 {
         struct smi_info *new_smi = send_info;
+        int             enable = 0;
 
         new_smi->intf = intf;
 
@@ -917,10 +923,18 @@ static int smi_start_processing(void       *send_info,
         mod_timer(&new_smi->si_timer, jiffies + SI_TIMEOUT_JIFFIES);
 
         /*
+         * Check if the user forcefully enabled the daemon.
+         */
+        if (new_smi->intf_num < num_force_kipmid)
+                enable = force_kipmid[new_smi->intf_num];
+        /*
          * The BT interface is efficient enough to not need a thread,
          * and there is no need for a thread if we have interrupts.
          */
-        if ((new_smi->si_type != SI_BT) && (!new_smi->irq)) {
+        else if ((new_smi->si_type != SI_BT) && (!new_smi->irq))
+                enable = 1;
+
+        if (enable) {
                 new_smi->thread = kthread_run(ipmi_thread, new_smi,
                                               "kipmi%d", new_smi->intf_num);
                 if (IS_ERR(new_smi->thread)) {
@@ -948,7 +962,6 @@ static struct ipmi_smi_handlers handlers =
 /* There can be 4 IO ports passed in (with or without IRQs), 4 addresses,
    a default IO port, and 1 ACPI/SPMI address.  That sets SI_MAX_DRIVERS */
 
-#define SI_MAX_PARMS 4
 static LIST_HEAD(smi_infos);
 static DEFINE_MUTEX(smi_infos_lock);
 static int smi_num; /* Used to sequence the SMIs */
@@ -1021,6 +1034,10 @@ MODULE_PARM_DESC(slave_addrs, "Set the default IPMB slave address for"
                  " the controller.  Normally this is 0x20, but can be"
                  " overridden by this parm.  This is an array indexed"
                  " by interface number.");
+module_param_array(force_kipmid, int, &num_force_kipmid, 0);
+MODULE_PARM_DESC(force_kipmid, "Force the kipmi daemon to be enabled (1) or"
+                 " disabled(0).  Normally the IPMI driver auto-detects"
+                 " this, but the value may be overridden by this parm.");
 
 
 #define IPMI_IO_ADDR_SPACE  0