Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/gi…

…t/rusty/linux-2.6-cpumask into cpus4096-v2
git-mirror · Jan 3, 2009 · e465b53 · e465b53
2 parents 7eb1955 + 5ece5c5
commit e465b53
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diff --git a/arch/cris/include/asm/bitops.h b/arch/cris/include/asm/bitops.h
@@ -148,6 +148,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
 #define ffs kernel_ffs
 
 #include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/__fls.h>
 #include <asm-generic/bitops/fls64.h>
 #include <asm-generic/bitops/hweight.h>
 #include <asm-generic/bitops/find.h>

diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h
@@ -207,6 +207,7 @@ static __inline__ unsigned long __ffs(unsigned long word)
 #endif /* __KERNEL__ */
 
 #include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/__fls.h>
 #include <asm-generic/bitops/fls64.h>
 
 #endif /* _H8300_BITOPS_H */
diff --git a/include/asm-frv/bitops.h b/include/asm-frv/bitops.h
@@ -339,6 +339,19 @@ int __ffs(unsigned long x)
 	return 31 - bit;
 }
 
+/**
+ * __fls - find last (most-significant) set bit in a long word
+ * @word: the word to search
+ *
+ * Undefined if no set bit exists, so code should check against 0 first.
+ */
+static inline unsigned long __fls(unsigned long word)
+{
+	unsigned long bit;
+	asm("scan %1,gr0,%0" : "=r"(bit) : "r"(word));
+	return bit;
+}
+
 /*
  * special slimline version of fls() for calculating ilog2_u32()
  * - note: no protection against n == 0

diff --git a/include/asm-m32r/bitops.h b/include/asm-m32r/bitops.h
@@ -251,6 +251,7 @@ static __inline__ int test_and_change_bit(int nr, volatile void * addr)
 #include <asm-generic/bitops/ffz.h>
 #include <asm-generic/bitops/__ffs.h>
 #include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/__fls.h>
 #include <asm-generic/bitops/fls64.h>
 
 #ifdef __KERNEL__

diff --git a/include/asm-mn10300/bitops.h b/include/asm-mn10300/bitops.h
@@ -195,6 +195,17 @@ int fls(int x)
 	return (x != 0) ? __ilog2_u32(x) + 1 : 0;
 }
 
+/**
+ * __fls - find last (most-significant) set bit in a long word
+ * @word: the word to search
+ *
+ * Undefined if no set bit exists, so code should check against 0 first.
+ */
+static inline unsigned long __fls(unsigned long word)
+{
+	return __ilog2_u32(word);
+}
+
 /**
  * ffs - find first bit set
  * @x: the word to search

diff --git a/include/asm-xtensa/bitops.h b/include/asm-xtensa/bitops.h
@@ -82,6 +82,16 @@ static inline int fls (unsigned int x)
 	return 32 - __cntlz(x);
 }
 
+/**
+ * __fls - find last (most-significant) set bit in a long word
+ * @word: the word to search
+ *
+ * Undefined if no set bit exists, so code should check against 0 first.
+ */
+static inline unsigned long __fls(unsigned long word)
+{
+	return 31 - __cntlz(word);
+}
 #else
 
 /* Use the generic implementation if we don't have the nsa/nsau instructions. */
@@ -90,6 +100,7 @@ static inline int fls (unsigned int x)
 # include <asm-generic/bitops/__ffs.h>
 # include <asm-generic/bitops/ffz.h>
 # include <asm-generic/bitops/fls.h>
+# include <asm-generic/bitops/__fls.h>
 
 #endif