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Subject[patch 5/9] x86: use cpumask_of_cpu()
Use cpumask_of_cpu() rather than the pair of cpus_clear() and cpu_set().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
arch/x86/kernel/cpu/mcheck/mce_amd_64.c | 4 ++--
arch/x86/kernel/genapic_flat_64.c | 5 +----
arch/x86/kernel/io_apic_64.c | 4 +---
3 files changed, 4 insertions(+), 9 deletions(-)
Index: 2.6-git/arch/x86/kernel/genapic_flat_64.c
===================================================================
--- 2.6-git.orig/arch/x86/kernel/genapic_flat_64.c
+++ 2.6-git/arch/x86/kernel/genapic_flat_64.c
@@ -138,12 +138,9 @@ static cpumask_t physflat_target_cpus(vo

static cpumask_t physflat_vector_allocation_domain(int cpu)
{
- cpumask_t domain = CPU_MASK_NONE;
- cpu_set(cpu, domain);
- return domain;
+ return cpumask_of_cpu(cpu);
}

-
static void physflat_send_IPI_mask(cpumask_t cpumask, int vector)
{
send_IPI_mask_sequence(cpumask, vector);
Index: 2.6-git/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
===================================================================
--- 2.6-git.orig/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
+++ 2.6-git/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
@@ -254,8 +254,8 @@ struct threshold_attr {
static cpumask_t affinity_set(unsigned int cpu)
{
cpumask_t oldmask = current->cpus_allowed;
- cpumask_t newmask = CPU_MASK_NONE;
- cpu_set(cpu, newmask);
+ cpumask_t newmask = cpumask_of_cpu(cpu);
+
set_cpus_allowed(current, newmask);
return oldmask;
}
Index: 2.6-git/arch/x86/kernel/io_apic_64.c
===================================================================
--- 2.6-git.orig/arch/x86/kernel/io_apic_64.c
+++ 2.6-git/arch/x86/kernel/io_apic_64.c
@@ -1351,9 +1351,7 @@ static int ioapic_retrigger_irq(unsigned
unsigned long flags;

spin_lock_irqsave(&vector_lock, flags);
- cpus_clear(mask);
- cpu_set(first_cpu(cfg->domain), mask);
-
+ mask = cpumask_of_cpu(first_cpu(cfg->domain));
send_IPI_mask(mask, cfg->vector);
spin_unlock_irqrestore(&vector_lock, flags);

--


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