diff options
author | David S. Miller <davem@sunset.davemloft.net> | 2007-10-14 08:43:31 +0400 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-14 08:53:16 +0400 |
commit | 10397e4069bbcc8219537e7c1e0d6a6935432156 (patch) | |
tree | cd92061bc5d02330386f4c3ade843c3ac1149dc8 /arch | |
parent | eb2d8d60327bec172ec80efbda94d0c492088204 (diff) | |
download | linux-10397e4069bbcc8219537e7c1e0d6a6935432156.tar.xz |
[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>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sparc64/kernel/irq.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index 26cdf47981c3..5a92851296c0 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -64,7 +64,7 @@ struct ino_bucket { }; #define NUM_IVECS (IMAP_INR + 1) -struct ino_bucket ivector_table[NUM_IVECS] __attribute__ ((aligned (SMP_CACHE_BYTES))); +struct ino_bucket *ivector_table; unsigned long ivector_table_pa; #define __irq_ino(irq) \ @@ -928,22 +928,22 @@ static struct irqaction timer_irq_action = { .name = "timer", }; -/* XXX Belongs in a common location. XXX */ -static unsigned long kimage_addr_to_ra(void *p) -{ - unsigned long val = (unsigned long) p; - - return kern_base + (val - KERNBASE); -} - /* Only invoked on boot processor. */ void __init init_IRQ(void) { + unsigned long size; + map_prom_timers(); kill_prom_timer(); - memset(&ivector_table[0], 0, sizeof(ivector_table)); - ivector_table_pa = kimage_addr_to_ra(&ivector_table[0]); + size = sizeof(struct ino_bucket) * NUM_IVECS; + ivector_table = alloc_bootmem_low(size); + if (!ivector_table) { + prom_printf("Fatal error, cannot allocate ivector_table\n"); + prom_halt(); + } + + ivector_table_pa = __pa(ivector_table); if (tlb_type == hypervisor) sun4v_init_mondo_queues(); |