Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6

[safe/jmp/linux-2.6] / drivers / md / raid6altivec.uc

diff --git a/drivers/md/raid6altivec.uc b/drivers/md/raid6altivec.uc
index 1de8f03..2654d5c 100644 (file)
--- a/drivers/md/raid6altivec.uc
+++ b/drivers/md/raid6altivec.uc
@@ -5,7 +5,7 @@
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
- *   Bostom MA 02111-1307, USA; either version 2 of the License, or
+ *   Boston MA 02111-1307, USA; either version 2 of the License, or
  *   (at your option) any later version; incorporated herein by reference.
  *
  * ----------------------------------------------------------------------- */
@@ -15,28 +15,32 @@
  *
  * $#-way unrolled portable integer math RAID-6 instruction set
  *
- * This file is postprocessed using unroll.pl
+ * This file is postprocessed using unroll.awk
  *
  * <benh> hpa: in process,
  * you can just "steal" the vec unit with enable_kernel_altivec() (but
  * bracked this with preempt_disable/enable or in a lock)
  */
 
-#include "raid6.h"
+#include <linux/raid/pq.h>
 
 #ifdef CONFIG_ALTIVEC
 
 #include <altivec.h>
-#include <asm/system.h>
-#include <asm/cputable.h>
+#ifdef __KERNEL__
+# include <asm/system.h>
+# include <asm/cputable.h>
+#endif
 
 /*
- * This is the C data type to use
+ * This is the C data type to use.  We use a vector of
+ * signed char so vec_cmpgt() will generate the right
+ * instruction.
  */
 
-typedef vector unsigned char unative_t;
+typedef vector signed char unative_t;
 
-#define NBYTES(x) ((vector unsigned char) {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x})
+#define NBYTES(x) ((vector signed char) {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x})
 #define NSIZE  sizeof(unative_t)
 
 /*
@@ -108,7 +112,11 @@ int raid6_have_altivec(void);
 int raid6_have_altivec(void)
 {
        /* This assumes either all CPUs have Altivec or none does */
+# ifdef __KERNEL__
        return cpu_has_feature(CPU_FTR_ALTIVEC);
+# else
+       return 1;
+# endif
 }
 #endif