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| author | David S. Miller <davem@sunset.davemloft.net> | 2007-05-25 15:49:59 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-05-29 02:49:41 -0700 |
| commit | 5cbc30737398b49f62ae8603129ce43ac7db1a41 (patch) | |
| tree | 45d01a686865e6fd9c32b670f77af1e37db03008 /arch/sparc64/kernel/traps.c | |
| parent | e01c0d6d8cf29c1c11725837b265598cab687952 (diff) | |
| download | lwn-5cbc30737398b49f62ae8603129ce43ac7db1a41.tar.gz lwn-5cbc30737398b49f62ae8603129ce43ac7db1a41.zip | |
[SPARC64]: Use machine description and OBP properly for cpu probing.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/traps.c')
| -rw-r--r-- | arch/sparc64/kernel/traps.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index d0fde36395b4..00a9e3286c83 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -795,8 +795,7 @@ extern unsigned int cheetah_deferred_trap_vector[], cheetah_deferred_trap_vector void __init cheetah_ecache_flush_init(void) { unsigned long largest_size, smallest_linesize, order, ver; - struct device_node *dp; - int i, instance, sz; + int i, sz; /* Scan all cpu device tree nodes, note two values: * 1) largest E-cache size @@ -805,18 +804,20 @@ void __init cheetah_ecache_flush_init(void) largest_size = 0UL; smallest_linesize = ~0UL; - instance = 0; - while (!cpu_find_by_instance(instance, &dp, NULL)) { + for (i = 0; i < NR_CPUS; i++) { unsigned long val; - val = of_getintprop_default(dp, "ecache-size", - (2 * 1024 * 1024)); + val = cpu_data(i).ecache_size; + if (!val) + continue; + if (val > largest_size) largest_size = val; - val = of_getintprop_default(dp, "ecache-line-size", 64); + + val = cpu_data(i).ecache_line_size; if (val < smallest_linesize) smallest_linesize = val; - instance++; + } if (largest_size == 0UL || smallest_linesize == ~0UL) { @@ -2564,7 +2565,15 @@ void __init trap_init(void) (TRAP_PER_CPU_TSB_HUGE_TEMP != offsetof(struct trap_per_cpu, tsb_huge_temp)) || (TRAP_PER_CPU_IRQ_WORKLIST != - offsetof(struct trap_per_cpu, irq_worklist))) + offsetof(struct trap_per_cpu, irq_worklist)) || + (TRAP_PER_CPU_CPU_MONDO_QMASK != + offsetof(struct trap_per_cpu, cpu_mondo_qmask)) || + (TRAP_PER_CPU_DEV_MONDO_QMASK != + offsetof(struct trap_per_cpu, dev_mondo_qmask)) || + (TRAP_PER_CPU_RESUM_QMASK != + offsetof(struct trap_per_cpu, resum_qmask)) || + (TRAP_PER_CPU_NONRESUM_QMASK != + offsetof(struct trap_per_cpu, nonresum_qmask))) trap_per_cpu_offsets_are_bolixed_dave(); if ((TSB_CONFIG_TSB != |