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IB/ipath: Improve interrupt handler cache footprint

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>
Dave Olson 17 yıl önce
ebeveyn
işleme
e193e3326c
1 değiştirilmiş dosya ile 2 ekleme ve 2 silme
  1. 2 2
      drivers/infiniband/hw/ipath/ipath_intr.c

+ 2 - 2
drivers/infiniband/hw/ipath/ipath_intr.c

@@ -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;