diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-03-16 14:12:42 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-03-16 14:12:42 +1030 |
| commit | 5dd3c9949a3e92ea7fd8c75d888031f7aff1f1d0 (patch) | |
| tree | 18e60117e1e547fe1e973e67a43754a3d8538104 /arch/ia64/sn | |
| parent | 40fe697a1759b85f5e06c490599f4f7b03de3be7 (diff) | |
| download | linux-5dd3c9949a3e92ea7fd8c75d888031f7aff1f1d0.tar.bz2 | |
cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: ia64
Impact: cleanup, futureproof
In fact, all cpumask ops will only be valid (in general) for bit
numbers < nr_cpu_ids. So use that instead of NR_CPUS in various
places.
This is always safe: no cpu number can be >= nr_cpu_ids, and
nr_cpu_ids is initialized to NR_CPUS at boot.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/ia64/sn')
| -rw-r--r-- | arch/ia64/sn/kernel/setup.c | 2 | ||||
| -rw-r--r-- | arch/ia64/sn/kernel/sn2/sn2_smp.c | 6 | ||||
| -rw-r--r-- | arch/ia64/sn/kernel/sn2/sn_hwperf.c | 2 |
3 files changed, 5 insertions, 5 deletions
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 02c5b8a9fb60..12097776afc0 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -750,7 +750,7 @@ nasid_slice_to_cpuid(int nasid, int slice) { long cpu; - for (cpu = 0; cpu < NR_CPUS; cpu++) + for (cpu = 0; cpu < nr_cpu_ids; cpu++) if (cpuid_to_nasid(cpu) == nasid && cpuid_to_slice(cpu) == slice) return cpu; diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c index e585f9a2afb9..209e1eb467da 100644 --- a/arch/ia64/sn/kernel/sn2/sn2_smp.c +++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c @@ -461,7 +461,7 @@ bool sn_cpu_disable_allowed(int cpu) static void *sn2_ptc_seq_start(struct seq_file *file, loff_t * offset) { - if (*offset < NR_CPUS) + if (*offset < nr_cpu_ids) return offset; return NULL; } @@ -469,7 +469,7 @@ static void *sn2_ptc_seq_start(struct seq_file *file, loff_t * offset) static void *sn2_ptc_seq_next(struct seq_file *file, void *data, loff_t * offset) { (*offset)++; - if (*offset < NR_CPUS) + if (*offset < nr_cpu_ids) return offset; return NULL; } @@ -491,7 +491,7 @@ static int sn2_ptc_seq_show(struct seq_file *file, void *data) seq_printf(file, "# ptctest %d, flushopt %d\n", sn2_ptctest, sn2_flush_opt); } - if (cpu < NR_CPUS && cpu_online(cpu)) { + if (cpu < nr_cpu_ids && cpu_online(cpu)) { stat = &per_cpu(ptcstats, cpu); seq_printf(file, "cpu %d %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld\n", cpu, stat->ptc_l, stat->change_rid, stat->shub_ptc_flushes, stat->nodes_flushed, diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index be339477f906..45f3c2390428 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -612,7 +612,7 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info) op_info->a->arg &= SN_HWPERF_ARG_OBJID_MASK; if (cpu != SN_HWPERF_ARG_ANY_CPU) { - if (cpu >= NR_CPUS || !cpu_online(cpu)) { + if (cpu >= nr_cpu_ids || !cpu_online(cpu)) { r = -EINVAL; goto out; } |