1 files changed, 21 insertions, 1 deletions

diff --git a/arch/ppc64/kernel/ItLpQueue.c b/arch/ppc64/kernel/ItLpQueue.c
index d3779346780..61be23ed500 100644
--- a/arch/ppc64/kernel/ItLpQueue.c
+++ b/arch/ppc64/kernel/ItLpQueue.c
@@ -69,7 +69,7 @@ struct HvLpEvent * ItLpQueue_getNextLpEvent( struct ItLpQueue * lpQueue )
         return nextLpEvent;
 }
 
-unsigned long spread_lpevents = NR_CPUS;
+static unsigned long spread_lpevents = NR_CPUS;
 
 int ItLpQueue_isLpIntPending( struct ItLpQueue * lpQueue )
 {
@@ -166,3 +166,23 @@ unsigned ItLpQueue_process( struct ItLpQueue * lpQueue, struct pt_regs *regs )
 
         return numIntsProcessed;
 }
+
+static int set_spread_lpevents(char *str)
+{
+        unsigned long val = simple_strtoul(str, NULL, 0);
+
+        /*
+         * The parameter is the number of processors to share in processing
+         * lp events.
+         */
+        if (( val > 0) && (val <= NR_CPUS)) {
+                spread_lpevents = val;
+                printk("lpevent processing spread over %ld processors\n", val);
+        } else {
+                printk("invalid spread_lpevents %ld\n", val);
+        }
+
+        return 1;
+}
+__setup("spread_lpevents=", set_spread_lpevents);
+