Merge branch 'cpus4096' into irq/threaded
Conflicts: arch/parisc/kernel/irq.c kernel/irq/handle.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@@ -2,7 +2,7 @@
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#define __ARM_A_OUT_H__
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#include <linux/personality.h>
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#include <asm/types.h>
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#include <linux/types.h>
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struct exec
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{
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@@ -14,7 +14,7 @@
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#ifndef __ASMARM_SETUP_H
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#define __ASMARM_SETUP_H
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#include <asm/types.h>
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#include <linux/types.h>
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#define COMMAND_LINE_SIZE 1024
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@@ -16,7 +16,7 @@
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#define __ASM_ARM_SWAB_H
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#include <linux/compiler.h>
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#include <asm/types.h>
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#include <linux/types.h>
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#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
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# define __SWAB_64_THRU_32__
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@@ -104,6 +104,11 @@ static struct irq_desc bad_irq_desc = {
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.lock = __SPIN_LOCK_UNLOCKED(bad_irq_desc.lock),
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};
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#ifdef CONFIG_CPUMASK_OFFSTACK
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/* We are not allocating bad_irq_desc.affinity or .pending_mask */
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#error "ARM architecture does not support CONFIG_CPUMASK_OFFSTACK."
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#endif
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/*
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* do_IRQ handles all hardware IRQ's. Decoded IRQs should not
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* come via this function. Instead, they should provide their
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@@ -161,7 +166,7 @@ void __init init_IRQ(void)
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irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE;
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#ifdef CONFIG_SMP
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bad_irq_desc.affinity = CPU_MASK_ALL;
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cpumask_setall(bad_irq_desc.affinity);
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bad_irq_desc.cpu = smp_processor_id();
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#endif
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init_arch_irq();
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@@ -191,15 +196,16 @@ void migrate_irqs(void)
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struct irq_desc *desc = irq_desc + i;
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if (desc->cpu == cpu) {
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unsigned int newcpu = any_online_cpu(desc->affinity);
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if (newcpu == NR_CPUS) {
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unsigned int newcpu = cpumask_any_and(desc->affinity,
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cpu_online_mask);
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if (newcpu >= nr_cpu_ids) {
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if (printk_ratelimit())
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printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n",
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i, cpu);
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cpus_setall(desc->affinity);
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newcpu = any_online_cpu(desc->affinity);
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cpumask_setall(desc->affinity);
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newcpu = cpumask_any_and(desc->affinity,
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cpu_online_mask);
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}
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route_irq(desc, i, newcpu);
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@@ -65,6 +65,7 @@ SECTIONS
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#endif
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. = ALIGN(4096);
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__per_cpu_start = .;
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*(.data.percpu.page_aligned)
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*(.data.percpu)
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*(.data.percpu.shared_aligned)
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__per_cpu_end = .;
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@@ -263,7 +263,7 @@ static void em_route_irq(int irq, unsigned int cpu)
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const struct cpumask *mask = cpumask_of(cpu);
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spin_lock_irq(&desc->lock);
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desc->affinity = *mask;
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cpumask_copy(desc->affinity, mask);
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desc->chip->set_affinity(irq, mask);
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spin_unlock_irq(&desc->lock);
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}
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