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authorRusty Russell <rusty@rustcorp.com.au>2008-12-31 18:42:15 -0500
committerRusty Russell <rusty@rustcorp.com.au>2008-12-31 18:42:15 -0500
commit4f4b6c1a94a8735bbdc030a2911cf395495645b6 (patch)
tree0572f8b8be03a32b4ae7b3deb4b1412226a0f598 /kernel
parent9e2f913df70b378379a358a44e7d286f7b765e8e (diff)
cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: core
Impact: cleanup In future, all cpumask ops will only be valid (in general) for bit numbers < nr_cpu_ids. So use that instead of NR_CPUS in iterators and other comparisons. 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> Acked-by: James Morris <jmorris@namei.org> Cc: Eric Biederman <ebiederm@xmission.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/kexec.c2
-rw-r--r--kernel/smp.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c
index ac0fde7b54d0..3fb855ad6aa0 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1116,7 +1116,7 @@ void crash_save_cpu(struct pt_regs *regs, int cpu)
1116 struct elf_prstatus prstatus; 1116 struct elf_prstatus prstatus;
1117 u32 *buf; 1117 u32 *buf;
1118 1118
1119 if ((cpu < 0) || (cpu >= NR_CPUS)) 1119 if ((cpu < 0) || (cpu >= nr_cpu_ids))
1120 return; 1120 return;
1121 1121
1122 /* Using ELF notes here is opportunistic. 1122 /* Using ELF notes here is opportunistic.
diff --git a/kernel/smp.c b/kernel/smp.c
index 172b18268909..5cfa0e5e3e88 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -223,7 +223,7 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
223 local_irq_save(flags); 223 local_irq_save(flags);
224 func(info); 224 func(info);
225 local_irq_restore(flags); 225 local_irq_restore(flags);
226 } else if ((unsigned)cpu < NR_CPUS && cpu_online(cpu)) { 226 } else if ((unsigned)cpu < nr_cpu_ids && cpu_online(cpu)) {
227 struct call_single_data *data = NULL; 227 struct call_single_data *data = NULL;
228 228
229 if (!wait) { 229 if (!wait) {