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yaml
---
r: 156984
b: refs/heads/master
c: f4b0373
h: refs/heads/master
v: v3
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Linus Torvalds committed Aug 21, 2009
1 parent c85ce95 commit a7da443
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Showing 4 changed files with 27 additions and 25 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 83d349f35e1ae72268c5104dbf9ab2ae635425d4
refs/heads/master: f4b0373b26567cafd421d91101852ed7a34e9e94
18 changes: 8 additions & 10 deletions trunk/include/linux/bitmap.h
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Original file line number Diff line number Diff line change
Expand Up @@ -94,13 +94,13 @@ extern void __bitmap_shift_right(unsigned long *dst,
const unsigned long *src, int shift, int bits);
extern void __bitmap_shift_left(unsigned long *dst,
const unsigned long *src, int shift, int bits);
extern void __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
extern int __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
const unsigned long *bitmap2, int bits);
extern void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
const unsigned long *bitmap2, int bits);
extern void __bitmap_xor(unsigned long *dst, const unsigned long *bitmap1,
const unsigned long *bitmap2, int bits);
extern void __bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1,
extern int __bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1,
const unsigned long *bitmap2, int bits);
extern int __bitmap_intersects(const unsigned long *bitmap1,
const unsigned long *bitmap2, int bits);
Expand Down Expand Up @@ -171,13 +171,12 @@ static inline void bitmap_copy(unsigned long *dst, const unsigned long *src,
}
}

static inline void bitmap_and(unsigned long *dst, const unsigned long *src1,
static inline int bitmap_and(unsigned long *dst, const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (small_const_nbits(nbits))
*dst = *src1 & *src2;
else
__bitmap_and(dst, src1, src2, nbits);
return (*dst = *src1 & *src2) != 0;
return __bitmap_and(dst, src1, src2, nbits);
}

static inline void bitmap_or(unsigned long *dst, const unsigned long *src1,
Expand All @@ -198,13 +197,12 @@ static inline void bitmap_xor(unsigned long *dst, const unsigned long *src1,
__bitmap_xor(dst, src1, src2, nbits);
}

static inline void bitmap_andnot(unsigned long *dst, const unsigned long *src1,
static inline int bitmap_andnot(unsigned long *dst, const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (small_const_nbits(nbits))
*dst = *src1 & ~(*src2);
else
__bitmap_andnot(dst, src1, src2, nbits);
return (*dst = *src1 & ~(*src2)) != 0;
return __bitmap_andnot(dst, src1, src2, nbits);
}

static inline void bitmap_complement(unsigned long *dst, const unsigned long *src,
Expand Down
20 changes: 10 additions & 10 deletions trunk/include/linux/cpumask.h
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Original file line number Diff line number Diff line change
Expand Up @@ -43,10 +43,10 @@
* int cpu_isset(cpu, mask) true iff bit 'cpu' set in mask
* int cpu_test_and_set(cpu, mask) test and set bit 'cpu' in mask
*
* void cpus_and(dst, src1, src2) dst = src1 & src2 [intersection]
* int cpus_and(dst, src1, src2) dst = src1 & src2 [intersection]
* void cpus_or(dst, src1, src2) dst = src1 | src2 [union]
* void cpus_xor(dst, src1, src2) dst = src1 ^ src2
* void cpus_andnot(dst, src1, src2) dst = src1 & ~src2
* int cpus_andnot(dst, src1, src2) dst = src1 & ~src2
* void cpus_complement(dst, src) dst = ~src
*
* int cpus_equal(mask1, mask2) Does mask1 == mask2?
Expand Down Expand Up @@ -179,10 +179,10 @@ static inline int __cpu_test_and_set(int cpu, cpumask_t *addr)
}

#define cpus_and(dst, src1, src2) __cpus_and(&(dst), &(src1), &(src2), NR_CPUS)
static inline void __cpus_and(cpumask_t *dstp, const cpumask_t *src1p,
static inline int __cpus_and(cpumask_t *dstp, const cpumask_t *src1p,
const cpumask_t *src2p, int nbits)
{
bitmap_and(dstp->bits, src1p->bits, src2p->bits, nbits);
return bitmap_and(dstp->bits, src1p->bits, src2p->bits, nbits);
}

#define cpus_or(dst, src1, src2) __cpus_or(&(dst), &(src1), &(src2), NR_CPUS)
Expand All @@ -201,10 +201,10 @@ static inline void __cpus_xor(cpumask_t *dstp, const cpumask_t *src1p,

#define cpus_andnot(dst, src1, src2) \
__cpus_andnot(&(dst), &(src1), &(src2), NR_CPUS)
static inline void __cpus_andnot(cpumask_t *dstp, const cpumask_t *src1p,
static inline int __cpus_andnot(cpumask_t *dstp, const cpumask_t *src1p,
const cpumask_t *src2p, int nbits)
{
bitmap_andnot(dstp->bits, src1p->bits, src2p->bits, nbits);
return bitmap_andnot(dstp->bits, src1p->bits, src2p->bits, nbits);
}

#define cpus_complement(dst, src) __cpus_complement(&(dst), &(src), NR_CPUS)
Expand Down Expand Up @@ -738,11 +738,11 @@ static inline void cpumask_clear(struct cpumask *dstp)
* @src1p: the first input
* @src2p: the second input
*/
static inline void cpumask_and(struct cpumask *dstp,
static inline int cpumask_and(struct cpumask *dstp,
const struct cpumask *src1p,
const struct cpumask *src2p)
{
bitmap_and(cpumask_bits(dstp), cpumask_bits(src1p),
return bitmap_and(cpumask_bits(dstp), cpumask_bits(src1p),
cpumask_bits(src2p), nr_cpumask_bits);
}

Expand Down Expand Up @@ -779,11 +779,11 @@ static inline void cpumask_xor(struct cpumask *dstp,
* @src1p: the first input
* @src2p: the second input
*/
static inline void cpumask_andnot(struct cpumask *dstp,
static inline int cpumask_andnot(struct cpumask *dstp,
const struct cpumask *src1p,
const struct cpumask *src2p)
{
bitmap_andnot(cpumask_bits(dstp), cpumask_bits(src1p),
return bitmap_andnot(cpumask_bits(dstp), cpumask_bits(src1p),
cpumask_bits(src2p), nr_cpumask_bits);
}

Expand Down
12 changes: 8 additions & 4 deletions trunk/lib/bitmap.c
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Original file line number Diff line number Diff line change
Expand Up @@ -179,14 +179,16 @@ void __bitmap_shift_left(unsigned long *dst,
}
EXPORT_SYMBOL(__bitmap_shift_left);

void __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
int __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
const unsigned long *bitmap2, int bits)
{
int k;
int nr = BITS_TO_LONGS(bits);
unsigned long result = 0;

for (k = 0; k < nr; k++)
dst[k] = bitmap1[k] & bitmap2[k];
result |= (dst[k] = bitmap1[k] & bitmap2[k]);
return result != 0;
}
EXPORT_SYMBOL(__bitmap_and);

Expand All @@ -212,14 +214,16 @@ void __bitmap_xor(unsigned long *dst, const unsigned long *bitmap1,
}
EXPORT_SYMBOL(__bitmap_xor);

void __bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1,
int __bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1,
const unsigned long *bitmap2, int bits)
{
int k;
int nr = BITS_TO_LONGS(bits);
unsigned long result = 0;

for (k = 0; k < nr; k++)
dst[k] = bitmap1[k] & ~bitmap2[k];
result |= (dst[k] = bitmap1[k] & ~bitmap2[k]);
return result != 0;
}
EXPORT_SYMBOL(__bitmap_andnot);

Expand Down

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