diff options
Diffstat (limited to 'arch/mips')
-rw-r--r-- | arch/mips/Kconfig | 1 | ||||
-rw-r--r-- | arch/mips/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/ath79/dev-wmac.c | 2 | ||||
-rw-r--r-- | arch/mips/configs/mtx1_defconfig | 4 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-ip27/topology.h | 17 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-jz4740/irq.h | 2 | ||||
-rw-r--r-- | arch/mips/include/asm/mmu_context.h | 6 | ||||
-rw-r--r-- | arch/mips/include/asm/thread_info.h | 12 | ||||
-rw-r--r-- | arch/mips/kernel/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/kernel/init_task.c | 35 | ||||
-rw-r--r-- | arch/mips/kernel/perf_event_mipsxx.c | 2 | ||||
-rw-r--r-- | arch/mips/kernel/ptrace.c | 2 | ||||
-rw-r--r-- | arch/mips/kernel/signal.c | 27 | ||||
-rw-r--r-- | arch/mips/kernel/signal32.c | 20 | ||||
-rw-r--r-- | arch/mips/kernel/signal_n32.c | 10 | ||||
-rw-r--r-- | arch/mips/kernel/smp.c | 56 |
16 files changed, 20 insertions, 180 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 923a6c3b9a0a..f5e121213c22 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -29,6 +29,7 @@ config MIPS select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP select ARCH_DISCARD_MEMBLOCK + select GENERIC_SMP_IDLE_THREAD menu "Machine selection" diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 4fedf5a51d96..76017c25a9e6 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -235,7 +235,7 @@ endif OBJCOPYFLAGS += --remove-section=.reginfo -head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o +head-y := arch/mips/kernel/head.o libs-y += arch/mips/lib/ diff --git a/arch/mips/ath79/dev-wmac.c b/arch/mips/ath79/dev-wmac.c index e21507052066..9c717bf98ffe 100644 --- a/arch/mips/ath79/dev-wmac.c +++ b/arch/mips/ath79/dev-wmac.c @@ -58,8 +58,8 @@ static void __init ar913x_wmac_setup(void) static int ar933x_wmac_reset(void) { - ath79_device_reset_clear(AR933X_RESET_WMAC); ath79_device_reset_set(AR933X_RESET_WMAC); + ath79_device_reset_clear(AR933X_RESET_WMAC); return 0; } diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig index 807c97eed8a8..46c61edcdf7b 100644 --- a/arch/mips/configs/mtx1_defconfig +++ b/arch/mips/configs/mtx1_defconfig @@ -346,11 +346,8 @@ CONFIG_CHELSIO_T1=m CONFIG_IXGB=m CONFIG_S2IO=m CONFIG_MYRI10GE=m -CONFIG_TR=y CONFIG_IBMOL=m CONFIG_IBMLS=m -CONFIG_3C359=m -CONFIG_TMS380TR=m CONFIG_TMSPCI=m CONFIG_ABYSS=m CONFIG_USB_CATC=m @@ -376,7 +373,6 @@ CONFIG_PCMCIA_SMC91C92=m CONFIG_PCMCIA_XIRC2PS=m CONFIG_PCMCIA_AXNET=m CONFIG_ARCNET_COM20020_CS=m -CONFIG_PCMCIA_IBMTR=m CONFIG_WAN=y CONFIG_LANMEDIA=m CONFIG_HDLC=m diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h index 1b1a7d1632b9..b2cf641f206f 100644 --- a/arch/mips/include/asm/mach-ip27/topology.h +++ b/arch/mips/include/asm/mach-ip27/topology.h @@ -36,23 +36,6 @@ extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES]; #define node_distance(from, to) (__node_distances[(from)][(to)]) -/* sched_domains SD_NODE_INIT for SGI IP27 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 = 1, \ - .flags = SD_LOAD_BALANCE | \ - SD_BALANCE_EXEC, \ - .last_balance = jiffies, \ - .balance_interval = 1, \ - .nr_balance_failed = 0, \ -} - #include <asm-generic/topology.h> #endif /* _ASM_MACH_TOPOLOGY_H */ diff --git a/arch/mips/include/asm/mach-jz4740/irq.h b/arch/mips/include/asm/mach-jz4740/irq.h index a865c983c70a..5ad1a9c113c6 100644 --- a/arch/mips/include/asm/mach-jz4740/irq.h +++ b/arch/mips/include/asm/mach-jz4740/irq.h @@ -45,7 +45,7 @@ #define JZ4740_IRQ_LCD JZ4740_IRQ(30) /* 2nd-level interrupts */ -#define JZ4740_IRQ_DMA(x) (JZ4740_IRQ(32) + (X)) +#define JZ4740_IRQ_DMA(x) (JZ4740_IRQ(32) + (x)) #define JZ4740_IRQ_INTC_GPIO(x) (JZ4740_IRQ_GPIO0 - (x)) #define JZ4740_IRQ_GPIO(x) (JZ4740_IRQ(48) + (x)) diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h index 73c0d45798de..9b02cfba7449 100644 --- a/arch/mips/include/asm/mmu_context.h +++ b/arch/mips/include/asm/mmu_context.h @@ -37,12 +37,6 @@ extern void tlbmiss_handler_setup_pgd(unsigned long pgd); write_c0_xcontext((unsigned long) smp_processor_id() << 51); \ } while (0) - -static inline unsigned long get_current_pgd(void) -{ - return PHYS_TO_XKSEG_CACHED((read_c0_context() >> 11) & ~0xfffUL); -} - #else /* CONFIG_MIPS_PGD_C0_CONTEXT: using pgd_current*/ /* diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h index 0d85d8e440c5..e2eca7d10598 100644 --- a/arch/mips/include/asm/thread_info.h +++ b/arch/mips/include/asm/thread_info.h @@ -85,18 +85,6 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define STACK_WARN (THREAD_SIZE / 8) -#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR - -#ifdef CONFIG_DEBUG_STACK_USAGE -#define alloc_thread_info_node(tsk, node) \ - kzalloc_node(THREAD_SIZE, GFP_KERNEL, node) -#else -#define alloc_thread_info_node(tsk, node) \ - kmalloc_node(THREAD_SIZE, GFP_KERNEL, node) -#endif - -#define free_thread_info(info) kfree(info) - #endif /* !__ASSEMBLY__ */ #define PREEMPT_ACTIVE 0x10000000 diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 0c6877ea9004..fdaf65e1a99d 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -2,7 +2,7 @@ # Makefile for the Linux/MIPS kernel. # -extra-y := head.o init_task.o vmlinux.lds +extra-y := head.o vmlinux.lds obj-y += cpu-probe.o branch.o entry.o genex.o irq.o process.o \ ptrace.o reset.o setup.o signal.o syscall.o \ diff --git a/arch/mips/kernel/init_task.c b/arch/mips/kernel/init_task.c deleted file mode 100644 index 5f9a76263c9a..000000000000 --- a/arch/mips/kernel/init_task.c +++ /dev/null @@ -1,35 +0,0 @@ -#include <linux/mm.h> -#include <linux/export.h> -#include <linux/sched.h> -#include <linux/init_task.h> -#include <linux/fs.h> -#include <linux/mqueue.h> - -#include <asm/thread_info.h> -#include <asm/uaccess.h> -#include <asm/pgtable.h> - -static struct signal_struct init_signals = INIT_SIGNALS(init_signals); -static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -/* - * Initial thread structure. - * - * We need to make sure that this is 8192-byte aligned due to the - * way process stacks are handled. This is done by making sure - * the linker maps this in the .text segment right after head.S, - * and making head.S ensure the proper alignment. - * - * The things we do for performance.. - */ -union thread_union init_thread_union __init_task_data - __attribute__((__aligned__(THREAD_SIZE))) = - { INIT_THREAD_INFO(init_task) }; - -/* - * Initial task structure. - * - * All other task structs will be allocated on slabs in fork.c - */ -struct task_struct init_task = INIT_TASK(init_task); - -EXPORT_SYMBOL(init_task); diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index 811084f4e422..ab73fa2fb9b5 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -1325,7 +1325,7 @@ static int mipsxx_pmu_handle_shared_irq(void) regs = get_irq_regs(); - perf_sample_data_init(&data, 0); + perf_sample_data_init(&data, 0, 0); switch (counters) { #define HANDLE_COUNTER(n) \ diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 7c24c2973c6d..4812c6d916e4 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -535,7 +535,7 @@ static inline int audit_arch(void) asmlinkage void syscall_trace_enter(struct pt_regs *regs) { /* do the secure computing check first */ - secure_computing(regs->regs[2]); + secure_computing_strict(regs->regs[2]); if (!(current->ptrace & PT_PTRACED)) goto out; diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 185ca00c4c84..d5a338a1739c 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -257,11 +257,8 @@ asmlinkage int sys_sigsuspend(nabi_no_regargs struct pt_regs regs) return -EFAULT; sigdelsetmask(&newset, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); current->saved_sigmask = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&newset); current->state = TASK_INTERRUPTIBLE; schedule(); @@ -286,11 +283,8 @@ asmlinkage int sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) return -EFAULT; sigdelsetmask(&newset, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); current->saved_sigmask = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&newset); current->state = TASK_INTERRUPTIBLE; schedule(); @@ -362,10 +356,7 @@ asmlinkage void sys_sigreturn(nabi_no_regargs struct pt_regs regs) goto badframe; sigdelsetmask(&blocked, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = blocked; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&blocked); sig = restore_sigcontext(®s, &frame->sf_sc); if (sig < 0) @@ -401,10 +392,7 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs) goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); sig = restore_sigcontext(®s, &frame->rs_uc.uc_mcontext); if (sig < 0) @@ -580,12 +568,7 @@ static int handle_signal(unsigned long sig, siginfo_t *info, if (ret) return ret; - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + block_sigmask(ka, sig); return ret; } diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 06b5da392e24..ac3b8d89aae5 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -290,11 +290,8 @@ asmlinkage int sys32_sigsuspend(nabi_no_regargs struct pt_regs regs) return -EFAULT; sigdelsetmask(&newset, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); current->saved_sigmask = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&newset); current->state = TASK_INTERRUPTIBLE; schedule(); @@ -318,11 +315,8 @@ asmlinkage int sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) return -EFAULT; sigdelsetmask(&newset, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); current->saved_sigmask = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&newset); current->state = TASK_INTERRUPTIBLE; schedule(); @@ -488,10 +482,7 @@ asmlinkage void sys32_sigreturn(nabi_no_regargs struct pt_regs regs) goto badframe; sigdelsetmask(&blocked, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = blocked; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&blocked); sig = restore_sigcontext32(®s, &frame->sf_sc); if (sig < 0) @@ -529,10 +520,7 @@ asmlinkage void sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); sig = restore_sigcontext32(®s, &frame->rs_uc.uc_mcontext); if (sig < 0) diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index ae29e894ab8d..86eb4b04631c 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c @@ -93,11 +93,8 @@ asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) sigset_from_compat(&newset, &uset); sigdelsetmask(&newset, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); current->saved_sigmask = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&newset); current->state = TASK_INTERRUPTIBLE; schedule(); @@ -121,10 +118,7 @@ asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); sig = restore_sigcontext(®s, &frame->rs_uc.uc_mcontext); if (sig < 0) diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index ba9376bf52a1..71a95f55a649 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -186,61 +186,9 @@ void __devinit smp_prepare_boot_cpu(void) cpu_set(0, cpu_callin_map); } -/* - * Called once for each "cpu_possible(cpu)". Needs to spin up the cpu - * and keep control until "cpu_online(cpu)" is set. Note: cpu is - * physical, not logical. - */ -static struct task_struct *cpu_idle_thread[NR_CPUS]; - -struct create_idle { - struct work_struct work; - struct task_struct *idle; - struct completion done; - int cpu; -}; - -static void __cpuinit do_fork_idle(struct work_struct *work) -{ - struct create_idle *c_idle = - container_of(work, struct create_idle, work); - - c_idle->idle = fork_idle(c_idle->cpu); - complete(&c_idle->done); -} - -int __cpuinit __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle) { - struct task_struct *idle; - - /* - * Processor goes to start_secondary(), sets online flag - * The following code is purely to make sure - * Linux can schedule processes on this slave. - */ - if (!cpu_idle_thread[cpu]) { - /* - * Schedule work item to avoid forking user task - * Ported from arch/x86/kernel/smpboot.c - */ - struct create_idle c_idle = { - .cpu = cpu, - .done = COMPLETION_INITIALIZER_ONSTACK(c_idle.done), - }; - - INIT_WORK_ONSTACK(&c_idle.work, do_fork_idle); - schedule_work(&c_idle.work); - wait_for_completion(&c_idle.done); - idle = cpu_idle_thread[cpu] = c_idle.idle; - - if (IS_ERR(idle)) - panic(KERN_ERR "Fork failed for CPU %d", cpu); - } else { - idle = cpu_idle_thread[cpu]; - init_idle(idle, cpu); - } - - mp_ops->boot_secondary(cpu, idle); + mp_ops->boot_secondary(cpu, tidle); /* * Trust is futile. We should really have timeouts ... |