[SPARC64]: Allocate ivector_table dynamically.
Shrinks kernel by 16K compared to before the IVEC physical address changes. Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -64,7 +64,7 @@ struct ino_bucket {
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};
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};
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#define NUM_IVECS (IMAP_INR + 1)
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#define NUM_IVECS (IMAP_INR + 1)
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struct ino_bucket ivector_table[NUM_IVECS] __attribute__ ((aligned (SMP_CACHE_BYTES)));
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struct ino_bucket *ivector_table;
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unsigned long ivector_table_pa;
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unsigned long ivector_table_pa;
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#define __irq_ino(irq) \
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#define __irq_ino(irq) \
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@ -928,22 +928,22 @@ static struct irqaction timer_irq_action = {
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.name = "timer",
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.name = "timer",
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};
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};
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/* XXX Belongs in a common location. XXX */
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static unsigned long kimage_addr_to_ra(void *p)
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{
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unsigned long val = (unsigned long) p;
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return kern_base + (val - KERNBASE);
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}
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/* Only invoked on boot processor. */
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/* Only invoked on boot processor. */
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void __init init_IRQ(void)
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void __init init_IRQ(void)
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{
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{
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unsigned long size;
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map_prom_timers();
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map_prom_timers();
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kill_prom_timer();
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kill_prom_timer();
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memset(&ivector_table[0], 0, sizeof(ivector_table));
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ivector_table_pa = kimage_addr_to_ra(&ivector_table[0]);
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size = sizeof(struct ino_bucket) * NUM_IVECS;
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ivector_table = alloc_bootmem_low(size);
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if (!ivector_table) {
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prom_printf("Fatal error, cannot allocate ivector_table\n");
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prom_halt();
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}
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ivector_table_pa = __pa(ivector_table);
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if (tlb_type == hypervisor)
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if (tlb_type == hypervisor)
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sun4v_init_mondo_queues();
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sun4v_init_mondo_queues();
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