Instead of accessing ->bits, we use cpumask_bits(). This will be very useful when 'struct cpumask' has a hidden definition. From: Rusty Russell Signed-off-by: Rusty Russell Signed-off-by: Mike Travis --- include/linux/cpumask.h | 70 ++++++++++++++++++++++++++++------------------- include/linux/seq_file.h | 2 - kernel/time/timer_list.c | 4 +- lib/cpumask.c | 4 +- 4 files changed, 47 insertions(+), 33 deletions(-) --- linux-2.6.28.orig/include/linux/cpumask.h +++ linux-2.6.28/include/linux/cpumask.h @@ -194,12 +194,12 @@ extern int nr_cpu_ids; static inline void cpumask_set_cpu(int cpu, volatile struct cpumask *dstp) { - set_bit(cpu, dstp->bits); + set_bit(cpu, cpumask_bits(dstp)); } static inline void cpumask_clear_cpu(int cpu, volatile struct cpumask *dstp) { - clear_bit(cpu, dstp->bits); + clear_bit(cpu, cpumask_bits(dstp)); } /* No static inline type checking - see Subtlety (1) above. */ @@ -207,130 +207,142 @@ static inline void cpumask_clear_cpu(int static inline int cpumask_test_and_set_cpu(int cpu, struct cpumask *addr) { - return test_and_set_bit(cpu, addr->bits); + return test_and_set_bit(cpu, cpumask_bits(addr)); } static inline void cpumask_setall(struct cpumask *dstp) { - bitmap_fill(dstp->bits, nr_cpumask_bits); + bitmap_fill(cpumask_bits(dstp), nr_cpumask_bits); } static inline void cpumask_clear(struct cpumask *dstp) { - bitmap_zero(dstp->bits, nr_cpumask_bits); + bitmap_zero(cpumask_bits(dstp), nr_cpumask_bits); } static inline void cpumask_and(struct cpumask *dstp, const struct cpumask *src1p, const struct cpumask *src2p) { - bitmap_and(dstp->bits, src1p->bits, src2p->bits, nr_cpumask_bits); + bitmap_and(cpumask_bits(dstp), cpumask_bits(src1p), + cpumask_bits(src2p), nr_cpumask_bits); } static inline void cpumask_or(struct cpumask *dstp, const struct cpumask *src1p, const struct cpumask *src2p) { - bitmap_or(dstp->bits, src1p->bits, src2p->bits, nr_cpumask_bits); + bitmap_or(cpumask_bits(dstp), cpumask_bits(src1p), + cpumask_bits(src2p), nr_cpumask_bits); } static inline void cpumask_xor(struct cpumask *dstp, const struct cpumask *src1p, const struct cpumask *src2p) { - bitmap_xor(dstp->bits, src1p->bits, src2p->bits, nr_cpumask_bits); + bitmap_xor(cpumask_bits(dstp), cpumask_bits(src1p), + cpumask_bits(src2p), nr_cpumask_bits); } static inline void cpumask_andnot(struct cpumask *dstp, const struct cpumask *src1p, const struct cpumask *src2p) { - bitmap_andnot(dstp->bits, src1p->bits, src2p->bits, nr_cpumask_bits); + bitmap_andnot(cpumask_bits(dstp), cpumask_bits(src1p), + cpumask_bits(src2p), nr_cpumask_bits); } static inline void cpumask_complement(struct cpumask *dstp, const struct cpumask *srcp) { - bitmap_complement(dstp->bits, srcp->bits, nr_cpumask_bits); + bitmap_complement(cpumask_bits(dstp), cpumask_bits(srcp), + nr_cpumask_bits); } static inline int cpumask_equal(const struct cpumask *src1p, const struct cpumask *src2p) { - return bitmap_equal(src1p->bits, src2p->bits, nr_cpumask_bits); + return bitmap_equal(cpumask_bits(src1p), cpumask_bits(src2p), + nr_cpumask_bits); } static inline int cpumask_intersects(const struct cpumask *src1p, const struct cpumask *src2p) { - return bitmap_intersects(src1p->bits, src2p->bits, nr_cpumask_bits); + return bitmap_intersects(cpumask_bits(src1p), cpumask_bits(src2p), + nr_cpumask_bits); } static inline int cpumask_subset(const struct cpumask *src1p, const struct cpumask *src2p) { - return bitmap_subset(src1p->bits, src2p->bits, nr_cpumask_bits); + return bitmap_subset(cpumask_bits(src1p), cpumask_bits(src2p), + nr_cpumask_bits); } static inline int cpumask_empty(const struct cpumask *srcp) { - return bitmap_empty(srcp->bits, nr_cpumask_bits); + return bitmap_empty(cpumask_bits(srcp), nr_cpumask_bits); } static inline int cpumask_full(const struct cpumask *srcp) { - return bitmap_full(srcp->bits, nr_cpumask_bits); + return bitmap_full(cpumask_bits(srcp), nr_cpumask_bits); } static inline int __cpus_weight(const cpumask_t *srcp, int nbits) { - return bitmap_weight(srcp->bits, nbits); + return bitmap_weight(cpumask_bits(srcp), nbits); } static inline int cpumask_weight(const struct cpumask *srcp) { - return bitmap_weight(srcp->bits, nr_cpumask_bits); + return bitmap_weight(cpumask_bits(srcp), nr_cpumask_bits); } static inline void cpumask_shift_right(struct cpumask *dstp, const struct cpumask *srcp, int n) { - bitmap_shift_right(dstp->bits, srcp->bits, n, nr_cpumask_bits); + bitmap_shift_right(cpumask_bits(dstp), cpumask_bits(srcp), n, + nr_cpumask_bits); } static inline void cpumask_shift_left(struct cpumask *dstp, const struct cpumask *srcp, int n) { - bitmap_shift_left(dstp->bits, srcp->bits, n, nr_cpumask_bits); + bitmap_shift_left(cpumask_bits(dstp), cpumask_bits(srcp), n, + nr_cpumask_bits); } static inline int cpumask_scnprintf(char *buf, int len, const struct cpumask *srcp) { - return bitmap_scnprintf(buf, len, srcp->bits, nr_cpumask_bits); + return bitmap_scnprintf(buf, len, cpumask_bits(srcp), nr_cpumask_bits); } static inline int cpumask_parse_user(const char __user *buf, int len, struct cpumask *dstp) { - return bitmap_parse_user(buf, len, dstp->bits, nr_cpumask_bits); + return bitmap_parse_user(buf, len, cpumask_bits(dstp), nr_cpumask_bits); } static inline int cpulist_scnprintf(char *buf, int len, const struct cpumask *srcp) { - return bitmap_scnlistprintf(buf, len, srcp->bits, nr_cpumask_bits); + return bitmap_scnlistprintf(buf, len, cpumask_bits(srcp), + nr_cpumask_bits); } static inline int cpulist_parse(const char *buf, struct cpumask *dstp) { - return bitmap_parselist(buf, dstp->bits, nr_cpumask_bits); + return bitmap_parselist(buf, cpumask_bits(dstp), nr_cpumask_bits); } static inline int cpumask_cpuremap(int oldbit, const struct cpumask *oldp, const struct cpumask *newp) { - return bitmap_bitremap(oldbit, oldp->bits, newp->bits, nr_cpumask_bits); + return bitmap_bitremap(oldbit, cpumask_bits(oldp), cpumask_bits(newp), + nr_cpumask_bits); } static inline void cpumask_remap(struct cpumask *dstp, @@ -338,21 +350,23 @@ static inline void cpumask_remap(struct const struct cpumask *oldp, const struct cpumask *newp) { - bitmap_remap(dstp->bits, srcp->bits, oldp->bits, newp->bits, - nr_cpumask_bits); + bitmap_remap(cpumask_bits(dstp), cpumask_bits(srcp), + cpumask_bits(oldp), cpumask_bits(newp), nr_cpumask_bits); } static inline void cpumask_onto(struct cpumask *dstp, const struct cpumask *origp, const struct cpumask *relmapp) { - bitmap_onto(dstp->bits, origp->bits, relmapp->bits, nr_cpumask_bits); + bitmap_onto(cpumask_bits(dstp), cpumask_bits(origp), + cpumask_bits(relmapp), nr_cpumask_bits); } static inline void cpumask_fold(struct cpumask *dstp, const struct cpumask *origp, int sz) { - bitmap_fold(dstp->bits, origp->bits, sz, nr_cpumask_bits); + bitmap_fold(cpumask_bits(dstp), cpumask_bits(origp), sz, + nr_cpumask_bits); } static inline void cpumask_copy(struct cpumask *dstp, --- linux-2.6.28.orig/include/linux/seq_file.h +++ linux-2.6.28/include/linux/seq_file.h @@ -52,7 +52,7 @@ int seq_path_root(struct seq_file *m, st int seq_bitmap(struct seq_file *m, unsigned long *bits, unsigned int nr_bits); static inline int seq_cpumask(struct seq_file *m, cpumask_t *mask) { - return seq_bitmap(m, mask->bits, nr_cpu_ids); + return seq_bitmap(m, cpumask_bits(mask), nr_cpu_ids); } static inline int seq_nodemask(struct seq_file *m, nodemask_t *mask) --- linux-2.6.28.orig/kernel/time/timer_list.c +++ linux-2.6.28/kernel/time/timer_list.c @@ -232,10 +232,10 @@ static void timer_list_show_tickdevices( #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST print_tickdevice(m, tick_get_broadcast_device(), -1); SEQ_printf(m, "tick_broadcast_mask: %08lx\n", - tick_get_broadcast_mask()->bits[0]); + cpumask_bits(tick_get_broadcast_mask())[0]); #ifdef CONFIG_TICK_ONESHOT SEQ_printf(m, "tick_broadcast_oneshot_mask: %08lx\n", - tick_get_broadcast_oneshot_mask()->bits[0]); + cpumask_bits(tick_get_broadcast_oneshot_mask())[0]); #endif SEQ_printf(m, "\n"); #endif --- linux-2.6.28.orig/lib/cpumask.c +++ linux-2.6.28/lib/cpumask.c @@ -5,13 +5,13 @@ int __first_cpu(const cpumask_t *srcp) { - return find_first_bit(srcp->bits, nr_cpumask_bits); + return find_first_bit(cpumask_bits(srcp), nr_cpumask_bits); } EXPORT_SYMBOL(__first_cpu); int __next_cpu(int n, const cpumask_t *srcp) { - return find_next_bit(srcp->bits, nr_cpumask_bits, n+1); + return find_next_bit(cpumask_bits(srcp), nr_cpumask_bits, n+1); } EXPORT_SYMBOL(__next_cpu); -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/