diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/mips/kernel/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/kernel/smp.c | 23 | ||||
-rw-r--r-- | arch/mips/kernel/topology.c | 29 | ||||
-rw-r--r-- | arch/mips/mips-boards/malta/malta_setup.c | 2 | ||||
-rw-r--r-- | arch/x86_64/kernel/early_printk.c | 2 | ||||
-rw-r--r-- | arch/x86_64/kernel/io_apic.c | 2 | ||||
-rw-r--r-- | arch/x86_64/kernel/traps.c | 10 |
7 files changed, 41 insertions, 29 deletions
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index cd9cec9e39e9..6bfbbed0897e 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -6,7 +6,7 @@ extra-y := head.o init_task.o vmlinux.lds obj-y += cpu-probe.o branch.o entry.o genex.o irq.o process.o \ ptrace.o reset.o semaphore.o setup.o signal.o syscall.o \ - time.o traps.o unaligned.o + time.o topology.o traps.o unaligned.o binfmt_irix-objs := irixelf.o irixinv.o irixioctl.o irixsig.o \ irix5sys.o sysirix.o diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index db80957ada89..49db516789e0 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -463,28 +463,5 @@ void flush_tlb_one(unsigned long vaddr) smp_on_each_tlb(flush_tlb_one_ipi, (void *) vaddr); } -static DEFINE_PER_CPU(struct cpu, cpu_devices); - -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) { - ret = register_cpu(&per_cpu(cpu_devices, i), i); - if (ret) - printk(KERN_WARNING "topology_init: register_cpu %d " - "failed (%d)\n", i, ret); - } - - return 0; -} - -subsys_initcall(topology_init); - EXPORT_SYMBOL(flush_tlb_page); EXPORT_SYMBOL(flush_tlb_one); diff --git a/arch/mips/kernel/topology.c b/arch/mips/kernel/topology.c new file mode 100644 index 000000000000..660e44ed44d7 --- /dev/null +++ b/arch/mips/kernel/topology.c @@ -0,0 +1,29 @@ +#include <linux/cpu.h> +#include <linux/cpumask.h> +#include <linux/init.h> +#include <linux/node.h> +#include <linux/nodemask.h> +#include <linux/percpu.h> + +static DEFINE_PER_CPU(struct cpu, cpu_devices); + +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) { + ret = register_cpu(&per_cpu(cpu_devices, i), i); + if (ret) + printk(KERN_WARNING "topology_init: register_cpu %d " + "failed (%d)\n", i, ret); + } + + return 0; +} + +subsys_initcall(topology_init); diff --git a/arch/mips/mips-boards/malta/malta_setup.c b/arch/mips/mips-boards/malta/malta_setup.c index ab460f805bef..282f3e52eea3 100644 --- a/arch/mips/mips-boards/malta/malta_setup.c +++ b/arch/mips/mips-boards/malta/malta_setup.c @@ -159,7 +159,7 @@ void __init plat_mem_setup(void) BONITO_PCIMEMBASECFG |= (BONITO_PCIMEMBASECFG_MEMBASE0_CACHED | BONITO_PCIMEMBASECFG_MEMBASE1_CACHED); - printk("Disabled Bonito IOBC coherency\n"); + printk("Enabled Bonito IOBC coherency\n"); } } else diff --git a/arch/x86_64/kernel/early_printk.c b/arch/x86_64/kernel/early_printk.c index e22ecd54870d..47b6d90349da 100644 --- a/arch/x86_64/kernel/early_printk.c +++ b/arch/x86_64/kernel/early_printk.c @@ -224,7 +224,7 @@ static int __init setup_early_printk(char *buf) return 0; early_console_initialized = 1; - if (!strcmp(buf,"keep")) + if (strstr(buf, "keep")) keep_early = 1; if (!strncmp(buf, "serial", 6)) { diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 14654e682411..c80081a6ba41 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -754,10 +754,8 @@ void __setup_vector_irq(int cpu) { /* Initialize vector_irq on a new cpu */ /* This function must be called with vector_lock held */ - unsigned long flags; int irq, vector; - /* Mark the inuse vectors */ for (irq = 0; irq < NR_IRQ_VECTORS; ++irq) { if (!cpu_isset(cpu, irq_domain[irq])) diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index a153d0a01b72..0d65b22f229c 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -242,12 +242,19 @@ static int dump_trace_unwind(struct unwind_frame_info *info, void *context) * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack */ +static inline int valid_stack_ptr(struct thread_info *tinfo, void *p) +{ + void *t = (void *)tinfo; + return p > t && p < t + THREAD_SIZE - 3; +} + void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * stack, struct stacktrace_ops *ops, void *data) { const unsigned cpu = smp_processor_id(); unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr; unsigned used = 0; + struct thread_info *tinfo; if (!tsk) tsk = current; @@ -370,7 +377,8 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s /* * This handles the process stack: */ - HANDLE_STACK (((long) stack & (THREAD_SIZE-1)) != 0); + tinfo = current_thread_info(); + HANDLE_STACK (valid_stack_ptr(tinfo, stack)); #undef HANDLE_STACK } EXPORT_SYMBOL(dump_trace); |