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[POWERPC] Don't crash on cell with 2 BEs when !CONFIG_NUMA 

The SPU code will crash if CONFIG_NUMA is not set and SPUs are found on
a non-0 node. This workaround will ignore those SPEs and just print an
message in the kernel log.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt 2006-10-10 15:14:12 +10:00 committed by Paul Mackerras
parent 51018b0a31
commit e5267b4b37
1 changed files with 11 additions and 4 deletions
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15
arch/powerpc/platforms/cell/spu_base.c
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@ -781,6 +781,17 @@ static int __init create_spu(struct device_node *spe)
if (!spu)
goto out;
spu->node = find_spu_node_id(spe);
if (spu->node >= MAX_NUMNODES) {
printk(KERN_WARNING "SPE %s on node %d ignored,"
" node number too big\n", spe->full_name, spu->node);
printk(KERN_WARNING "Check if CONFIG_NUMA is enabled.\n");
return -ENODEV;
}
spu->nid = of_node_to_nid(spe);
if (spu->nid == -1)
spu->nid = 0;
ret = spu_map_device(spu, spe);
/* try old method */
if (ret)
@ -788,10 +799,6 @@ static int __init create_spu(struct device_node *spe)
if (ret)
goto out_free;
spu->node = find_spu_node_id(spe);
spu->nid = of_node_to_nid(spe);
if (spu->nid == -1)
spu->nid = 0;
ret = spu_map_interrupts(spu, spe);
if (ret)
ret = spu_map_interrupts_old(spu, spe);