IB/ipath: Improve interrupt handler cache footprint
authorDave Olson <dave.olson@qlogic.com>
Wed, 10 Oct 2007 12:10:35 +0000 (05:10 -0700)
committerRoland Dreier <rolandd@cisco.com>
Fri, 25 Jan 2008 22:15:25 +0000 (14:15 -0800)
Improve interrupt handler cache footprint by noinline'ing error
functions that are rarely called.

Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
drivers/infiniband/hw/ipath/ipath_intr.c

index c61f9da2964ab25a51bb686808ffaa3c4ceb1e33..8f3718c1694f0391fe81d117517f7e54309cb7f4 100644 (file)
@@ -849,7 +849,7 @@ void ipath_clear_freeze(struct ipath_devdata *dd)
 
 /* this is separate to allow for better optimization of ipath_intr() */
 
-static void ipath_bad_intr(struct ipath_devdata *dd, u32 * unexpectp)
+static noinline void ipath_bad_intr(struct ipath_devdata *dd, u32 *unexpectp)
 {
        /*
         * sometimes happen during driver init and unload, don't want
@@ -892,7 +892,7 @@ static void ipath_bad_intr(struct ipath_devdata *dd, u32 * unexpectp)
                          "ignoring\n");
 }
 
-static void ipath_bad_regread(struct ipath_devdata *dd)
+static noinline void ipath_bad_regread(struct ipath_devdata *dd)
 {
        static int allbits;