diff options
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/setup.c | 2 | ||||
| -rw-r--r-- | arch/mips/kernel/smp.c | 6 | ||||
| -rw-r--r-- | arch/mips/kernel/topology.c | 5 | ||||
| -rw-r--r-- | arch/mips/kernel/unaligned.c | 17 |
4 files changed, 21 insertions, 9 deletions
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index f979adfd4fc2..ef73ba1e0ec1 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -803,7 +803,7 @@ early_param("coherentio", setcoherentio); static int __init setnocoherentio(char *str) { - dma_default_coherent = true; + dma_default_coherent = false; pr_info("Software DMA cache coherency (command line)\n"); return 0; } diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index d542fb7af3ba..1986d1309410 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -351,6 +351,9 @@ asmlinkage void start_secondary(void) cpu = smp_processor_id(); cpu_data[cpu].udelay_val = loops_per_jiffy; + set_cpu_sibling_map(cpu); + set_cpu_core_map(cpu); + cpumask_set_cpu(cpu, &cpu_coherent_mask); notify_cpu_starting(cpu); @@ -362,9 +365,6 @@ asmlinkage void start_secondary(void) /* The CPU is running and counters synchronised, now mark it online */ set_cpu_online(cpu, true); - set_cpu_sibling_map(cpu); - set_cpu_core_map(cpu); - calculate_cpu_foreign_map(); /* diff --git a/arch/mips/kernel/topology.c b/arch/mips/kernel/topology.c index 08ad6371fbe0..9429d85a4703 100644 --- a/arch/mips/kernel/topology.c +++ b/arch/mips/kernel/topology.c @@ -12,11 +12,6 @@ static int __init topology_init(void) { int i, ret; -#ifdef CONFIG_NUMA - for_each_online_node(i) - register_one_node(i); -#endif /* CONFIG_NUMA */ - for_each_present_cpu(i) { struct cpu *c = &per_cpu(cpu_devices, i); diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index df4b708c04a9..7b5aba5df02e 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -1480,6 +1480,23 @@ asmlinkage void do_ade(struct pt_regs *regs) prev_state = exception_enter(); perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, regs, regs->cp0_badvaddr); + +#ifdef CONFIG_64BIT + /* + * check, if we are hitting space between CPU implemented maximum + * virtual user address and 64bit maximum virtual user address + * and do exception handling to get EFAULTs for get_user/put_user + */ + if ((regs->cp0_badvaddr >= (1UL << cpu_vmbits)) && + (regs->cp0_badvaddr < XKSSEG)) { + if (fixup_exception(regs)) { + current->thread.cp0_baduaddr = regs->cp0_badvaddr; + return; + } + goto sigbus; + } +#endif + /* * Did we catch a fault trying to load an instruction? */ |