diff options
Diffstat (limited to 'arch/metag')
| -rw-r--r-- | arch/metag/Kconfig | 4 | ||||
| -rw-r--r-- | arch/metag/include/asm/Kbuild | 5 | ||||
| -rw-r--r-- | arch/metag/include/asm/topology.h | 27 | ||||
| -rw-r--r-- | arch/metag/kernel/ftrace.c | 5 | ||||
| -rw-r--r-- | arch/metag/kernel/irq.c | 22 | ||||
| -rw-r--r-- | arch/metag/kernel/signal.c | 48 |
6 files changed, 30 insertions, 81 deletions
diff --git a/arch/metag/Kconfig b/arch/metag/Kconfig index e56abd2c1b4f..499b7610eaaf 100644 --- a/arch/metag/Kconfig +++ b/arch/metag/Kconfig @@ -9,6 +9,7 @@ config METAG select HAVE_ARCH_TRACEHOOK select HAVE_C_RECORDMCOUNT select HAVE_DEBUG_KMEMLEAK + select HAVE_DEBUG_STACKOVERFLOW select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_TRACER @@ -29,7 +30,6 @@ config METAG select OF select OF_EARLY_FLATTREE select SPARSE_IRQ - select HAVE_DEBUG_STACKOVERFLOW config STACKTRACE_SUPPORT def_bool y @@ -52,7 +52,7 @@ config GENERIC_HWEIGHT config GENERIC_CALIBRATE_DELAY def_bool y -config NO_IOPORT +config NO_IOPORT_MAP def_bool y source "init/Kconfig" diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild index b716d807c2ec..c29ead89a317 100644 --- a/arch/metag/include/asm/Kbuild +++ b/arch/metag/include/asm/Kbuild @@ -13,6 +13,7 @@ generic-y += fb.h generic-y += fcntl.h generic-y += futex.h generic-y += hardirq.h +generic-y += hash.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h @@ -23,6 +24,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += local64.h +generic-y += mcs_spinlock.h generic-y += msgbuf.h generic-y += mutex.h generic-y += param.h @@ -30,6 +32,7 @@ generic-y += pci.h generic-y += percpu.h generic-y += poll.h generic-y += posix_types.h +generic-y += preempt.h generic-y += scatterlist.h generic-y += sections.h generic-y += sembuf.h @@ -52,5 +55,3 @@ generic-y += unaligned.h generic-y += user.h generic-y += vga.h generic-y += xor.h -generic-y += preempt.h -generic-y += hash.h diff --git a/arch/metag/include/asm/topology.h b/arch/metag/include/asm/topology.h index 8e9c0b3b9691..e95f874ded1b 100644 --- a/arch/metag/include/asm/topology.h +++ b/arch/metag/include/asm/topology.h @@ -3,33 +3,6 @@ #ifdef CONFIG_NUMA -/* sched_domains SD_NODE_INIT for Meta machines */ -#define SD_NODE_INIT (struct sched_domain) { \ - .parent = NULL, \ - .child = NULL, \ - .groups = NULL, \ - .min_interval = 8, \ - .max_interval = 32, \ - .busy_factor = 32, \ - .imbalance_pct = 125, \ - .cache_nice_tries = 2, \ - .busy_idx = 3, \ - .idle_idx = 2, \ - .newidle_idx = 0, \ - .wake_idx = 0, \ - .forkexec_idx = 0, \ - .flags = SD_LOAD_BALANCE \ - | SD_BALANCE_FORK \ - | SD_BALANCE_EXEC \ - | SD_BALANCE_NEWIDLE \ - | SD_SERIALIZE, \ - .last_balance = jiffies, \ - .balance_interval = 1, \ - .nr_balance_failed = 0, \ - .max_newidle_lb_cost = 0, \ - .next_decay_max_lb_cost = jiffies, \ -} - #define cpu_to_node(cpu) ((void)(cpu), 0) #define parent_node(node) ((void)(node), 0) diff --git a/arch/metag/kernel/ftrace.c b/arch/metag/kernel/ftrace.c index a774f321643f..ed1d685157c2 100644 --- a/arch/metag/kernel/ftrace.c +++ b/arch/metag/kernel/ftrace.c @@ -117,10 +117,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) } /* run from kstop_machine */ -int __init ftrace_dyn_arch_init(void *data) +int __init ftrace_dyn_arch_init(void) { - /* The return code is returned via data */ - writel(0, data); - return 0; } diff --git a/arch/metag/kernel/irq.c b/arch/metag/kernel/irq.c index 3b4b7f6c0950..5385dd1216b7 100644 --- a/arch/metag/kernel/irq.c +++ b/arch/metag/kernel/irq.c @@ -261,18 +261,6 @@ int __init arch_probe_nr_irqs(void) } #ifdef CONFIG_HOTPLUG_CPU -static void route_irq(struct irq_data *data, unsigned int irq, unsigned int cpu) -{ - struct irq_desc *desc = irq_to_desc(irq); - struct irq_chip *chip = irq_data_get_irq_chip(data); - unsigned long flags; - - raw_spin_lock_irqsave(&desc->lock, flags); - if (chip->irq_set_affinity) - chip->irq_set_affinity(data, cpumask_of(cpu), false); - raw_spin_unlock_irqrestore(&desc->lock, flags); -} - /* * The CPU has been marked offline. Migrate IRQs off this CPU. If * the affinity settings do not allow other CPUs, force them onto any @@ -281,10 +269,9 @@ static void route_irq(struct irq_data *data, unsigned int irq, unsigned int cpu) void migrate_irqs(void) { unsigned int i, cpu = smp_processor_id(); - struct irq_desc *desc; - for_each_irq_desc(i, desc) { - struct irq_data *data = irq_desc_get_irq_data(desc); + for_each_active_irq(i) { + struct irq_data *data = irq_get_irq_data(i); unsigned int newcpu; if (irqd_is_per_cpu(data)) @@ -300,11 +287,8 @@ void migrate_irqs(void) i, cpu); cpumask_setall(data->affinity); - newcpu = cpumask_any_and(data->affinity, - cpu_online_mask); } - - route_irq(data, i, newcpu); + irq_set_affinity(i, data->affinity); } } #endif /* CONFIG_HOTPLUG_CPU */ diff --git a/arch/metag/kernel/signal.c b/arch/metag/kernel/signal.c index 3be61cf0b147..b9e4a82d2bd4 100644 --- a/arch/metag/kernel/signal.c +++ b/arch/metag/kernel/signal.c @@ -152,18 +152,18 @@ static void __user *get_sigframe(struct k_sigaction *ka, unsigned long sp, return (void __user *)sp; } -static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs *regs) +static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, + struct pt_regs *regs) { struct rt_sigframe __user *frame; - int err = -EFAULT; + int err; unsigned long code; - frame = get_sigframe(ka, regs->REG_SP, sizeof(*frame)); + frame = get_sigframe(&ksig->ka, regs->REG_SP, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) - goto out; + return -EFAULT; - err = copy_siginfo_to_user(&frame->info, info); + err = copy_siginfo_to_user(&frame->info, &ksig->info); /* Create the ucontext. */ err |= __put_user(0, &frame->uc.uc_flags); @@ -174,7 +174,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); if (err) - goto out; + return -EFAULT; /* Set up to return from userspace. */ @@ -187,15 +187,15 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __put_user(code, (unsigned long __user *)(&frame->retcode[1])); if (err) - goto out; + return -EFAULT; /* Set up registers for signal handler */ regs->REG_RTP = (unsigned long) frame->retcode; regs->REG_SP = (unsigned long) frame + sizeof(*frame); - regs->REG_ARG1 = sig; + regs->REG_ARG1 = ksig->sig; regs->REG_ARG2 = (unsigned long) &frame->info; regs->REG_ARG3 = (unsigned long) &frame->uc; - regs->REG_PC = (unsigned long) ka->sa.sa_handler; + regs->REG_PC = (unsigned long) ksig->ka.sa.sa_handler; pr_debug("SIG deliver (%s:%d): sp=%p pc=%08x pr=%08x\n", current->comm, current->pid, frame, regs->REG_PC, @@ -205,24 +205,19 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, * effective cache flush - directed rather than 'full flush'. */ flush_cache_sigtramp(regs->REG_RTP, sizeof(frame->retcode)); -out: - if (err) { - force_sigsegv(sig, current); - return -EFAULT; - } + return 0; } -static void handle_signal(unsigned long sig, siginfo_t *info, - struct k_sigaction *ka, struct pt_regs *regs) +static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) { sigset_t *oldset = sigmask_to_save(); + int ret; /* Set up the stack frame */ - if (setup_rt_frame(sig, ka, info, oldset, regs)) - return; + ret = setup_rt_frame(ksig, oldset, regs); - signal_delivered(sig, info, ka, regs, test_thread_flag(TIF_SINGLESTEP)); + signal_setup_done(ret, ksig, test_thread_flag(TIF_SINGLESTEP)); } /* @@ -235,10 +230,8 @@ static void handle_signal(unsigned long sig, siginfo_t *info, static int do_signal(struct pt_regs *regs, int syscall) { unsigned int retval = 0, continue_addr = 0, restart_addr = 0; - struct k_sigaction ka; - siginfo_t info; - int signr; int restart = 0; + struct ksignal ksig; /* * By the end of rt_sigreturn the context describes the point that the @@ -275,7 +268,8 @@ static int do_signal(struct pt_regs *regs, int syscall) * Get the signal to deliver. When running under ptrace, at this point * the debugger may change all our registers ... */ - signr = get_signal_to_deliver(&info, &ka, regs, NULL); + get_signal(&ksig); + /* * Depending on the signal settings we may need to revert the decision * to restart the system call. But skip this if a debugger has chosen to @@ -283,19 +277,19 @@ static int do_signal(struct pt_regs *regs, int syscall) */ if (regs->REG_PC != restart_addr) restart = 0; - if (signr > 0) { + if (ksig.sig > 0) { if (unlikely(restart)) { if (retval == -ERESTARTNOHAND || retval == -ERESTART_RESTARTBLOCK || (retval == -ERESTARTSYS - && !(ka.sa.sa_flags & SA_RESTART))) { + && !(ksig.ka.sa.sa_flags & SA_RESTART))) { regs->REG_RETVAL = -EINTR; regs->REG_PC = continue_addr; } } /* Whee! Actually deliver the signal. */ - handle_signal(signr, &info, &ka, regs); + handle_signal(&ksig, regs); return 0; } |