diff options
Diffstat (limited to 'arch/powerpc/kernel/setup-common.c')
| -rw-r--r-- | arch/powerpc/kernel/setup-common.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index e239df3768a..1b0e26013a6 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -456,22 +456,32 @@ void __init smp_setup_cpu_maps(void) intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len); if (intserv) { - nthreads = len / sizeof(int); DBG(" ibm,ppc-interrupt-server#s -> %d threads\n", nthreads); } else { DBG(" no ibm,ppc-interrupt-server#s -> 1 thread\n"); - intserv = of_get_property(dn, "reg", NULL); + intserv = of_get_property(dn, "reg", &len); if (!intserv) { cpu_be = cpu_to_be32(cpu); intserv = &cpu_be; /* assume logical == phys */ + len = 4; } } + nthreads = len / sizeof(int); + for (j = 0; j < nthreads && cpu < nr_cpu_ids; j++) { + bool avail; + DBG(" thread %d -> cpu %d (hard id %d)\n", j, cpu, be32_to_cpu(intserv[j])); - set_cpu_present(cpu, of_device_is_available(dn)); + + avail = of_device_is_available(dn); + if (!avail) + avail = !of_property_match_string(dn, + "enable-method", "spin-table"); + + set_cpu_present(cpu, avail); set_hard_smp_processor_id(cpu, be32_to_cpu(intserv[j])); set_cpu_possible(cpu, true); cpu++; |