svn commit: r300490 - head/sys/compat/linuxkpi/common/include/linux

[Hans Petter Selasky]

Author: hselasky
Date: Mon May 23 11:41:35 2016
New Revision: 300490
URL: https://svnweb.freebsd.org/changeset/base/300490

Log:
  Add support for atomic_long_inc_not_zero() to the LinuxKPI.
  
  Obtained from:	kmacy @
  MFC after:	1 week
  Sponsored by:	Mellanox Technologies

Modified:
  head/sys/compat/linuxkpi/common/include/linux/bitops.h

Modified: head/sys/compat/linuxkpi/common/include/linux/bitops.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/bitops.h	Mon May 23 10:31:54 2016	(r300489)
+++ head/sys/compat/linuxkpi/common/include/linux/bitops.h	Mon May 23 11:41:35 2016	(r300490)
@@ -46,7 +46,7 @@
 #define	BITS_TO_LONGS(n)	howmany((n), BITS_PER_LONG)
 #define	BIT_MASK(nr)		(1UL << ((nr) & (BITS_PER_LONG - 1)))
 #define BIT_WORD(nr)		((nr) / BITS_PER_LONG)
-#define	GENMASK(lo, hi)		(((2UL << ((hi) - (lo))) - 1UL) << (lo))
+#define	GENMASK(h, l)		(((~0UL) >> (BITS_PER_LONG - (h) - 1)) & ((~0UL) << (l)))
 #define BITS_PER_BYTE           8
 
 static inline int