From ec7c14bde80a11e325f26b339b8570a929e87223 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Mon, 16 Mar 2009 14:40:24 +1030 Subject: cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: sparc 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 Signed-off-by: Mike Travis Acked-by: Ingo Molnar --- arch/sparc/kernel/smp_32.c | 11 +++++------ arch/sparc/kernel/sun4d_smp.c | 9 ++++----- arch/sparc/kernel/sun4m_smp.c | 8 +++----- arch/sparc/mm/srmmu.c | 2 +- 4 files changed, 13 insertions(+), 17 deletions(-) (limited to 'arch/sparc') diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c index 88f43c5ba38..be1ae37e773 100644 --- a/arch/sparc/kernel/smp_32.c +++ b/arch/sparc/kernel/smp_32.c @@ -70,13 +70,12 @@ void __init smp_cpus_done(unsigned int max_cpus) extern void smp4m_smp_done(void); extern void smp4d_smp_done(void); unsigned long bogosum = 0; - int cpu, num; + int cpu, num = 0; - for (cpu = 0, num = 0; cpu < NR_CPUS; cpu++) - if (cpu_online(cpu)) { - num++; - bogosum += cpu_data(cpu).udelay_val; - } + for_each_online_cpu(cpu) { + num++; + bogosum += cpu_data(cpu).udelay_val; + } printk("Total of %d processors activated (%lu.%02lu BogoMIPS).\n", num, bogosum/(500000/HZ), diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index e85e6aa1abd..54fb02468f0 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -228,11 +228,10 @@ void __init smp4d_smp_done(void) /* setup cpu list for irq rotation */ first = 0; prev = &first; - for (i = 0; i < NR_CPUS; i++) - if (cpu_online(i)) { - *prev = i; - prev = &cpu_data(i).next; - } + for_each_online_cpu(i) { + *prev = i; + prev = &cpu_data(i).next; + } *prev = first; local_flush_cache_all(); diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 2a8f4fc4056..960b113d000 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -186,11 +186,9 @@ void __init smp4m_smp_done(void) /* setup cpu list for irq rotation */ first = 0; prev = &first; - for (i = 0; i < NR_CPUS; i++) { - if (cpu_online(i)) { - *prev = i; - prev = &cpu_data(i).next; - } + for_each_online_cpu(i) { + *prev = i; + prev = &cpu_data(i).next; } *prev = first; local_flush_cache_all(); diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index fe7ed08390b..06c9a7d9820 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -1425,7 +1425,7 @@ static void __init init_vac_layout(void) min_line_size = vac_line_size; //FIXME: cpus not contiguous!! cpu++; - if (cpu >= NR_CPUS || !cpu_online(cpu)) + if (cpu >= nr_cpu_ids || !cpu_online(cpu)) break; #else break; -- cgit v1.2.3