Merge branch 'linus' into timers/clocksource

... to bring it up to date for new changes.

1 files changed, 24 insertions, 0 deletions

diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h
index 250883090a5d..5cb4f3942fd3 100644
--- a/tools/include/linux/bitmap.h
+++ b/tools/include/linux/bitmap.h
@@ -28,6 +28,8 @@ bool __bitmap_subset(const unsigned long *bitmap1,
 		     const unsigned long *bitmap2, unsigned int nbits);
 bool __bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1,
 		    const unsigned long *bitmap2, unsigned int nbits);
+void __bitmap_xor(unsigned long *dst, const unsigned long *bitmap1,
+		  const unsigned long *bitmap2, unsigned int nbits);
 
 #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1)))
 #define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1)))
@@ -53,6 +55,17 @@ static inline void bitmap_fill(unsigned long *dst, unsigned int nbits)
 	dst[nlongs - 1] = BITMAP_LAST_WORD_MASK(nbits);
 }
 
+static __always_inline
+void bitmap_copy(unsigned long *dst, const unsigned long *src, unsigned int nbits)
+{
+	unsigned int len = bitmap_size(nbits);
+
+	if (small_const_nbits(nbits))
+		*dst = *src;
+	else
+		memcpy(dst, src, len);
+}
+
 static inline bool bitmap_empty(const unsigned long *src, unsigned int nbits)
 {
 	if (small_const_nbits(nbits))
@@ -209,4 +222,15 @@ static inline void bitmap_clear(unsigned long *map, unsigned int start,
 	else
 		__bitmap_clear(map, start, nbits);
 }
+
+static __always_inline
+void bitmap_xor(unsigned long *dst, const unsigned long *src1,
+		const unsigned long *src2, unsigned int nbits)
+{
+	if (small_const_nbits(nbits))
+		*dst = *src1 ^ *src2;
+	else
+		__bitmap_xor(dst, src1, src2, nbits);
+}
+
 #endif /* _TOOLS_LINUX_BITMAP_H */