These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / asm-generic / bitops / count_zeros.h

diff --git a/kernel/include/asm-generic/bitops/count_zeros.h b/kernel/include/asm-generic/bitops/count_zeros.h
deleted file mode 100644 (file)
index 97520d2..0000000
--- a/kernel/include/asm-generic/bitops/count_zeros.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/* Count leading and trailing zeros functions
- *
- * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-#ifndef _ASM_GENERIC_BITOPS_COUNT_ZEROS_H_
-#define _ASM_GENERIC_BITOPS_COUNT_ZEROS_H_
-
-#include <asm/bitops.h>
-
-/**
- * count_leading_zeros - Count the number of zeros from the MSB back
- * @x: The value
- *
- * Count the number of leading zeros from the MSB going towards the LSB in @x.
- *
- * If the MSB of @x is set, the result is 0.
- * If only the LSB of @x is set, then the result is BITS_PER_LONG-1.
- * If @x is 0 then the result is COUNT_LEADING_ZEROS_0.
- */
-static inline int count_leading_zeros(unsigned long x)
-{
-       if (sizeof(x) == 4)
-               return BITS_PER_LONG - fls(x);
-       else
-               return BITS_PER_LONG - fls64(x);
-}
-
-#define COUNT_LEADING_ZEROS_0 BITS_PER_LONG
-
-/**
- * count_trailing_zeros - Count the number of zeros from the LSB forwards
- * @x: The value
- *
- * Count the number of trailing zeros from the LSB going towards the MSB in @x.
- *
- * If the LSB of @x is set, the result is 0.
- * If only the MSB of @x is set, then the result is BITS_PER_LONG-1.
- * If @x is 0 then the result is COUNT_TRAILING_ZEROS_0.
- */
-static inline int count_trailing_zeros(unsigned long x)
-{
-#define COUNT_TRAILING_ZEROS_0 (-1)
-
-       if (sizeof(x) == 4)
-               return ffs(x);
-       else
-               return (x != 0) ? __ffs(x) : COUNT_TRAILING_ZEROS_0;
-}
-
-#endif /* _ASM_GENERIC_BITOPS_COUNT_ZEROS_H_ */