diff options
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/compat_wrapper.S | 20 | ||||
| -rw-r--r-- | arch/s390/kernel/debug.c | 8 | ||||
| -rw-r--r-- | arch/s390/kernel/early.c | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/process.c | 6 | ||||
| -rw-r--r-- | arch/s390/kernel/ptrace.c | 30 | ||||
| -rw-r--r-- | arch/s390/kernel/setup.c | 10 | ||||
| -rw-r--r-- | arch/s390/kernel/signal.c | 8 | ||||
| -rw-r--r-- | arch/s390/kernel/smp.c | 76 | ||||
| -rw-r--r-- | arch/s390/kernel/syscalls.S | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/time.c | 260 | ||||
| -rw-r--r-- | arch/s390/kernel/topology.c | 51 | ||||
| -rw-r--r-- | arch/s390/kernel/vmlinux.lds.S | 2 |
12 files changed, 272 insertions, 203 deletions
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 5006a1d9f5d..18c51df9fe0 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1627,3 +1627,23 @@ ENTRY(sys_setns_wrapper) lgfr %r2,%r2 # int lgfr %r3,%r3 # int jg sys_setns + +ENTRY(compat_sys_process_vm_readv_wrapper) + lgfr %r2,%r2 # compat_pid_t + llgtr %r3,%r3 # struct compat_iovec __user * + llgfr %r4,%r4 # unsigned long + llgtr %r5,%r5 # struct compat_iovec __user * + llgfr %r6,%r6 # unsigned long + llgf %r0,164(%r15) # unsigned long + stg %r0,160(%r15) + jg sys_process_vm_readv + +ENTRY(compat_sys_process_vm_writev_wrapper) + lgfr %r2,%r2 # compat_pid_t + llgtr %r3,%r3 # struct compat_iovec __user * + llgfr %r4,%r4 # unsigned long + llgtr %r5,%r5 # struct compat_iovec __user * + llgfr %r6,%r6 # unsigned long + llgf %r0,164(%r15) # unsigned long + stg %r0,160(%r15) + jg sys_process_vm_writev diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index 5ad6bc078bf..6848828b962 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -74,7 +74,7 @@ static ssize_t debug_input(struct file *file, const char __user *user_buf, static int debug_open(struct inode *inode, struct file *file); static int debug_close(struct inode *inode, struct file *file); static debug_info_t *debug_info_create(const char *name, int pages_per_area, - int nr_areas, int buf_size, mode_t mode); + int nr_areas, int buf_size, umode_t mode); static void debug_info_get(debug_info_t *); static void debug_info_put(debug_info_t *); static int debug_prolog_level_fn(debug_info_t * id, @@ -330,7 +330,7 @@ debug_info_free(debug_info_t* db_info){ static debug_info_t* debug_info_create(const char *name, int pages_per_area, int nr_areas, - int buf_size, mode_t mode) + int buf_size, umode_t mode) { debug_info_t* rc; @@ -688,7 +688,7 @@ debug_close(struct inode *inode, struct file *file) */ debug_info_t *debug_register_mode(const char *name, int pages_per_area, - int nr_areas, int buf_size, mode_t mode, + int nr_areas, int buf_size, umode_t mode, uid_t uid, gid_t gid) { debug_info_t *rc = NULL; @@ -1090,7 +1090,7 @@ debug_register_view(debug_info_t * id, struct debug_view *view) int rc = 0; int i; unsigned long flags; - mode_t mode; + umode_t mode; struct dentry *pde; if (!id) diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 37394b3413e..c9ffe002519 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -390,6 +390,8 @@ static __init void detect_machine_facilities(void) S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS; if (test_facility(40)) S390_lowcore.machine_flags |= MACHINE_FLAG_SPP; + if (test_facility(25)) + S390_lowcore.machine_flags |= MACHINE_FLAG_STCKF; #endif } diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 9451b210a1b..3201ae44799 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -91,10 +91,12 @@ static void default_idle(void) void cpu_idle(void) { for (;;) { - tick_nohz_stop_sched_tick(1); + tick_nohz_idle_enter(); + rcu_idle_enter(); while (!need_resched()) default_idle(); - tick_nohz_restart_sched_tick(); + rcu_idle_exit(); + tick_nohz_idle_exit(); preempt_enable_no_resched(); schedule(); preempt_disable(); diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 450931a45b6..573bc29551e 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -296,13 +296,6 @@ static int __poke_user(struct task_struct *child, addr_t addr, addr_t data) ((data & PSW_MASK_EA) && !(data & PSW_MASK_BA)))) /* Invalid psw mask. */ return -EINVAL; - if (addr == (addr_t) &dummy->regs.psw.addr) - /* - * The debugger changed the instruction address, - * reset system call restart, see signal.c:do_signal - */ - task_thread_info(child)->system_call = 0; - *(addr_t *)((addr_t) &task_pt_regs(child)->psw + addr) = data; } else if (addr < (addr_t) (&dummy->regs.orig_gpr2)) { @@ -614,11 +607,6 @@ static int __poke_user_compat(struct task_struct *child, /* Transfer 31 bit amode bit to psw mask. */ regs->psw.mask = (regs->psw.mask & ~PSW_MASK_BA) | (__u64)(tmp & PSW32_ADDR_AMODE); - /* - * The debugger changed the instruction address, - * reset system call restart, see signal.c:do_signal - */ - task_thread_info(child)->system_call = 0; } else { /* gpr 0-15 */ *(__u32*)((addr_t) ®s->psw + addr*2 + 4) = tmp; @@ -905,6 +893,14 @@ static int s390_last_break_get(struct task_struct *target, return 0; } +static int s390_last_break_set(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + return 0; +} + #endif static int s390_system_call_get(struct task_struct *target, @@ -951,6 +947,7 @@ static const struct user_regset s390_regsets[] = { .size = sizeof(long), .align = sizeof(long), .get = s390_last_break_get, + .set = s390_last_break_set, }, #endif [REGSET_SYSTEM_CALL] = { @@ -1116,6 +1113,14 @@ static int s390_compat_last_break_get(struct task_struct *target, return 0; } +static int s390_compat_last_break_set(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + return 0; +} + static const struct user_regset s390_compat_regsets[] = { [REGSET_GENERAL] = { .core_note_type = NT_PRSTATUS, @@ -1139,6 +1144,7 @@ static const struct user_regset s390_compat_regsets[] = { .size = sizeof(long), .align = sizeof(long), .get = s390_compat_last_break_get, + .set = s390_compat_last_break_set, }, [REGSET_SYSTEM_CALL] = { .core_note_type = NT_S390_SYSTEM_CALL, diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 8ac6bfa2786..f11d1b037c5 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/kernel.h> +#include <linux/memblock.h> #include <linux/mm.h> #include <linux/stddef.h> #include <linux/unistd.h> @@ -211,6 +212,8 @@ static void __init setup_zfcpdump(unsigned int console_devno) if (ipl_info.type != IPL_TYPE_FCP_DUMP) return; + if (OLDMEM_BASE) + return; if (console_devno != -1) sprintf(str, " cio_ignore=all,!0.0.%04x,!0.0.%04x", ipl_info.data.fcp.dev_id.devno, console_devno); @@ -482,7 +485,7 @@ static void __init setup_memory_end(void) #ifdef CONFIG_ZFCPDUMP - if (ipl_info.type == IPL_TYPE_FCP_DUMP) { + if (ipl_info.type == IPL_TYPE_FCP_DUMP && !OLDMEM_BASE) { memory_end = ZFCPDUMP_HSA_SIZE; memory_end_set = 1; } @@ -577,7 +580,7 @@ static unsigned long __init find_crash_base(unsigned long crash_size, *msg = "first memory chunk must be at least crashkernel size"; return 0; } - if (is_kdump_kernel() && (crash_size == OLDMEM_SIZE)) + if (OLDMEM_BASE && crash_size == OLDMEM_SIZE) return OLDMEM_BASE; for (i = MEMORY_CHUNKS - 1; i >= 0; i--) { @@ -818,7 +821,8 @@ setup_memory(void) end_chunk = min(end_chunk, end_pfn); if (start_chunk >= end_chunk) continue; - add_active_range(0, start_chunk, end_chunk); + memblock_add_node(PFN_PHYS(start_chunk), + PFN_PHYS(end_chunk - start_chunk), 0); pfn = max(start_chunk, start_pfn); for (; pfn < end_chunk; pfn++) page_set_storage_key(PFN_PHYS(pfn), diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 05a85bc14c9..7f6f9f35454 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -460,9 +460,9 @@ void do_signal(struct pt_regs *regs) regs->svc_code >> 16); break; } - /* No longer in a system call */ - clear_thread_flag(TIF_SYSCALL); } + /* No longer in a system call */ + clear_thread_flag(TIF_SYSCALL); if ((is_compat_task() ? handle_signal32(signr, &ka, &info, oldset, regs) : @@ -486,6 +486,7 @@ void do_signal(struct pt_regs *regs) } /* No handlers present - check for system call restart */ + clear_thread_flag(TIF_SYSCALL); if (current_thread_info()->system_call) { regs->svc_code = current_thread_info()->system_call; switch (regs->gprs[2]) { @@ -500,9 +501,6 @@ void do_signal(struct pt_regs *regs) regs->gprs[2] = regs->orig_gpr2; set_thread_flag(TIF_SYSCALL); break; - default: - clear_thread_flag(TIF_SYSCALL); - break; } } diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 3ea872890da..66cca03c028 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -831,8 +831,8 @@ int setup_profiling_timer(unsigned int multiplier) } #ifdef CONFIG_HOTPLUG_CPU -static ssize_t cpu_configure_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t cpu_configure_show(struct device *dev, + struct device_attribute *attr, char *buf) { ssize_t count; @@ -842,8 +842,8 @@ static ssize_t cpu_configure_show(struct sys_device *dev, return count; } -static ssize_t cpu_configure_store(struct sys_device *dev, - struct sysdev_attribute *attr, +static ssize_t cpu_configure_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { int cpu = dev->id; @@ -889,11 +889,11 @@ out: put_online_cpus(); return rc ? rc : count; } -static SYSDEV_ATTR(configure, 0644, cpu_configure_show, cpu_configure_store); +static DEVICE_ATTR(configure, 0644, cpu_configure_show, cpu_configure_store); #endif /* CONFIG_HOTPLUG_CPU */ -static ssize_t cpu_polarization_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t cpu_polarization_show(struct device *dev, + struct device_attribute *attr, char *buf) { int cpu = dev->id; ssize_t count; @@ -919,22 +919,22 @@ static ssize_t cpu_polarization_show(struct sys_device *dev, mutex_unlock(&smp_cpu_state_mutex); return count; } -static SYSDEV_ATTR(polarization, 0444, cpu_polarization_show, NULL); +static DEVICE_ATTR(polarization, 0444, cpu_polarization_show, NULL); -static ssize_t show_cpu_address(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t show_cpu_address(struct device *dev, + struct device_attribute *attr, char *buf) { return sprintf(buf, "%d\n", __cpu_logical_map[dev->id]); } -static SYSDEV_ATTR(address, 0444, show_cpu_address, NULL); +static DEVICE_ATTR(address, 0444, show_cpu_address, NULL); static struct attribute *cpu_common_attrs[] = { #ifdef CONFIG_HOTPLUG_CPU - &attr_configure.attr, + &dev_attr_configure.attr, #endif - &attr_address.attr, - &attr_polarization.attr, + &dev_attr_address.attr, + &dev_attr_polarization.attr, NULL, }; @@ -942,8 +942,8 @@ static struct attribute_group cpu_common_attr_group = { .attrs = cpu_common_attrs, }; -static ssize_t show_capability(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t show_capability(struct device *dev, + struct device_attribute *attr, char *buf) { unsigned int capability; int rc; @@ -953,10 +953,10 @@ static ssize_t show_capability(struct sys_device *dev, return rc; return sprintf(buf, "%u\n", capability); } -static SYSDEV_ATTR(capability, 0444, show_capability, NULL); +static DEVICE_ATTR(capability, 0444, show_capability, NULL); -static ssize_t show_idle_count(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t show_idle_count(struct device *dev, + struct device_attribute *attr, char *buf) { struct s390_idle_data *idle; unsigned long long idle_count; @@ -976,10 +976,10 @@ repeat: goto repeat; return sprintf(buf, "%llu\n", idle_count); } -static SYSDEV_ATTR(idle_count, 0444, show_idle_count, NULL); +static DEVICE_ATTR(idle_count, 0444, show_idle_count, NULL); -static ssize_t show_idle_time(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t show_idle_time(struct device *dev, + struct device_attribute *attr, char *buf) { struct s390_idle_data *idle; unsigned long long now, idle_time, idle_enter; @@ -1001,12 +1001,12 @@ repeat: goto repeat; return sprintf(buf, "%llu\n", idle_time >> 12); } -static SYSDEV_ATTR(idle_time_us, 0444, show_idle_time, NULL); +static DEVICE_ATTR(idle_time_us, 0444, show_idle_time, NULL); static struct attribute *cpu_online_attrs[] = { - &attr_capability.attr, - &attr_idle_count.attr, - &attr_idle_time_us.attr, + &dev_attr_capability.attr, + &dev_attr_idle_count.attr, + &dev_attr_idle_time_us.attr, NULL, }; @@ -1019,7 +1019,7 @@ static int __cpuinit smp_cpu_notify(struct notifier_block *self, { unsigned int cpu = (unsigned int)(long)hcpu; struct cpu *c = &per_cpu(cpu_devices, cpu); - struct sys_device *s = &c->sysdev; + struct device *s = &c->dev; struct s390_idle_data *idle; int err = 0; @@ -1045,7 +1045,7 @@ static struct notifier_block __cpuinitdata smp_cpu_nb = { static int __devinit smp_add_present_cpu(int cpu) { struct cpu *c = &per_cpu(cpu_devices, cpu); - struct sys_device *s = &c->sysdev; + struct device *s = &c->dev; int rc; c->hotpluggable = 1; @@ -1098,8 +1098,8 @@ out: return rc; } -static ssize_t __ref rescan_store(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t __ref rescan_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { @@ -1108,11 +1108,11 @@ static ssize_t __ref rescan_store(struct sysdev_class *class, rc = smp_rescan_cpus(); return rc ? rc : count; } -static SYSDEV_CLASS_ATTR(rescan, 0200, NULL, rescan_store); +static DEVICE_ATTR(rescan, 0200, NULL, rescan_store); #endif /* CONFIG_HOTPLUG_CPU */ -static ssize_t dispatching_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t dispatching_show(struct device *dev, + struct device_attribute *attr, char *buf) { ssize_t count; @@ -1123,8 +1123,8 @@ static ssize_t dispatching_show(struct sysdev_class *class, return count; } -static ssize_t dispatching_store(struct sysdev_class *dev, - struct sysdev_class_attribute *attr, +static ssize_t dispatching_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { @@ -1148,7 +1148,7 @@ out: put_online_cpus(); return rc ? rc : count; } -static SYSDEV_CLASS_ATTR(dispatching, 0644, dispatching_show, +static DEVICE_ATTR(dispatching, 0644, dispatching_show, dispatching_store); static int __init topology_init(void) @@ -1159,11 +1159,11 @@ static int __init topology_init(void) register_cpu_notifier(&smp_cpu_nb); #ifdef CONFIG_HOTPLUG_CPU - rc = sysdev_class_create_file(&cpu_sysdev_class, &attr_rescan); + rc = device_create_file(cpu_subsys.dev_root, &dev_attr_rescan); if (rc) return rc; #endif - rc = sysdev_class_create_file(&cpu_sysdev_class, &attr_dispatching); + rc = device_create_file(cpu_subsys.dev_root, &dev_attr_dispatching); if (rc) return rc; for_each_present_cpu(cpu) { diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 73eb08c874f..bcab2f04ba5 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -348,3 +348,5 @@ SYSCALL(sys_open_by_handle_at,sys_open_by_handle_at,compat_sys_open_by_handle_at SYSCALL(sys_clock_adjtime,sys_clock_adjtime,compat_sys_clock_adjtime_wrapper) SYSCALL(sys_syncfs,sys_syncfs,sys_syncfs_wrapper) SYSCALL(sys_setns,sys_setns,sys_setns_wrapper) +SYSCALL(sys_process_vm_readv,sys_process_vm_readv,compat_sys_process_vm_readv_wrapper) /* 340 */ +SYSCALL(sys_process_vm_writev,sys_process_vm_writev,compat_sys_process_vm_writev_wrapper) diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index ebbfab3c6e5..fa02f443f5f 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -27,7 +27,7 @@ #include <linux/cpu.h> #include <linux/stop_machine.h> #include <linux/time.h> -#include <linux/sysdev.h> +#include <linux/device.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/smp.h> @@ -1116,34 +1116,35 @@ out_unlock: /* * Sysfs interface functions */ -static struct sysdev_class etr_sysclass = { - .name = "etr", +static struct bus_type etr_subsys = { + .name = "etr", + .dev_name = "etr", }; -static struct sys_device etr_port0_dev = { +static struct device etr_port0_dev = { .id = 0, - .cls = &etr_sysclass, + .bus = &etr_subsys, }; -static struct sys_device etr_port1_dev = { +static struct device etr_port1_dev = { .id = 1, - .cls = &etr_sysclass, + .bus = &etr_subsys, }; /* - * ETR class attributes + * ETR subsys attributes */ -static ssize_t etr_stepping_port_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t etr_stepping_port_show(struct device *dev, + struct device_attribute *attr, char *buf) { return sprintf(buf, "%i\n", etr_port0.esw.p); } -static SYSDEV_CLASS_ATTR(stepping_port, 0400, etr_stepping_port_show, NULL); +static DEVICE_ATTR(stepping_port, 0400, etr_stepping_port_show, NULL); -static ssize_t etr_stepping_mode_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t etr_stepping_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) { char *mode_str; @@ -1157,12 +1158,12 @@ static ssize_t etr_stepping_mode_show(struct sysdev_class *class, return sprintf(buf, "%s\n", mode_str); } -static SYSDEV_CLASS_ATTR(stepping_mode, 0400, etr_stepping_mode_show, NULL); +static DEVICE_ATTR(stepping_mode, 0400, etr_stepping_mode_show, NULL); /* * ETR port attributes */ -static inline struct etr_aib *etr_aib_from_dev(struct sys_device *dev) +static inline struct etr_aib *etr_aib_from_dev(struct device *dev) { if (dev == &etr_port0_dev) return etr_port0_online ? &etr_port0 : NULL; @@ -1170,8 +1171,8 @@ static inline struct etr_aib *etr_aib_from_dev(struct sys_device *dev) return etr_port1_online ? &etr_port1 : NULL; } -static ssize_t etr_online_show(struct sys_device *dev, - struct sysdev_attribute *attr, +static ssize_t etr_online_show(struct device *dev, + struct device_attribute *attr, char *buf) { unsigned int online; @@ -1180,8 +1181,8 @@ static ssize_t etr_online_show(struct sys_device *dev, return sprintf(buf, "%i\n", online); } -static ssize_t etr_online_store(struct sys_device *dev, - struct sysdev_attribute *attr, +static ssize_t etr_online_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { unsigned int value; @@ -1218,20 +1219,20 @@ out: return count; } -static SYSDEV_ATTR(online, 0600, etr_online_show, etr_online_store); +static DEVICE_ATTR(online, 0600, etr_online_show, etr_online_store); -static ssize_t etr_stepping_control_show(struct sys_device *dev, - struct sysdev_attribute *attr, +static ssize_t etr_stepping_control_show(struct device *dev, + struct device_attribute *attr, char *buf) { return sprintf(buf, "%i\n", (dev == &etr_port0_dev) ? etr_eacr.e0 : etr_eacr.e1); } -static SYSDEV_ATTR(stepping_control, 0400, etr_stepping_control_show, NULL); +static DEVICE_ATTR(stepping_control, 0400, etr_stepping_control_show, NULL); -static ssize_t etr_mode_code_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_mode_code_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!etr_port0_online && !etr_port1_online) /* Status word is not uptodate if both ports are offline. */ @@ -1240,10 +1241,10 @@ static ssize_t etr_mode_code_show(struct sys_device *dev, etr_port0.esw.psc0 : etr_port0.esw.psc1); } -static SYSDEV_ATTR(state_code, 0400, etr_mode_code_show, NULL); +static DEVICE_ATTR(state_code, 0400, etr_mode_code_show, NULL); -static ssize_t etr_untuned_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_untuned_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1252,10 +1253,10 @@ static ssize_t etr_untuned_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf1.u); } -static SYSDEV_ATTR(untuned, 0400, etr_untuned_show, NULL); +static DEVICE_ATTR(untuned, 0400, etr_untuned_show, NULL); -static ssize_t etr_network_id_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_network_id_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1264,10 +1265,10 @@ static ssize_t etr_network_id_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf1.net_id); } -static SYSDEV_ATTR(network, 0400, etr_network_id_show, NULL); +static DEVICE_ATTR(network, 0400, etr_network_id_show, NULL); -static ssize_t etr_id_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_id_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1276,10 +1277,10 @@ static ssize_t etr_id_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf1.etr_id); } -static SYSDEV_ATTR(id, 0400, etr_id_show, NULL); +static DEVICE_ATTR(id, 0400, etr_id_show, NULL); -static ssize_t etr_port_number_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_port_number_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1288,10 +1289,10 @@ static ssize_t etr_port_number_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf1.etr_pn); } -static SYSDEV_ATTR(port, 0400, etr_port_number_show, NULL); +static DEVICE_ATTR(port, 0400, etr_port_number_show, NULL); -static ssize_t etr_coupled_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_coupled_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1300,10 +1301,10 @@ static ssize_t etr_coupled_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf3.c); } -static SYSDEV_ATTR(coupled, 0400, etr_coupled_show, NULL); +static DEVICE_ATTR(coupled, 0400, etr_coupled_show, NULL); -static ssize_t etr_local_time_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_local_time_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1312,10 +1313,10 @@ static ssize_t etr_local_time_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf3.blto); } -static SYSDEV_ATTR(local_time, 0400, etr_local_time_show, NULL); +static DEVICE_ATTR(local_time, 0400, etr_local_time_show, NULL); -static ssize_t etr_utc_offset_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_utc_offset_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1324,64 +1325,64 @@ static ssize_t etr_utc_offset_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf3.buo); } -static SYSDEV_ATTR(utc_offset, 0400, etr_utc_offset_show, NULL); +static DEVICE_ATTR(utc_offset, 0400, etr_utc_offset_show, NULL); -static struct sysdev_attribute *etr_port_attributes[] = { - &attr_online, - &attr_stepping_control, - &attr_state_code, - &attr_untuned, - &attr_network, - &attr_id, - &attr_port, - &attr_coupled, - &attr_local_time, - &attr_utc_offset, +static struct device_attribute *etr_port_attributes[] = { + &dev_attr_online, + &dev_attr_stepping_control, + &dev_attr_state_code, + &dev_attr_untuned, + &dev_attr_network, + &dev_attr_id, + &dev_attr_port, + &dev_attr_coupled, + &dev_attr_local_time, + &dev_attr_utc_offset, NULL }; -static int __init etr_register_port(struct sys_device *dev) +static int __init etr_register_port(struct device *dev) { - struct sysdev_attribute **attr; + struct device_attribute **attr; int rc; - rc = sysdev_register(dev); + rc = device_register(dev); if (rc) goto out; for (attr = etr_port_attributes; *attr; attr++) { - rc = sysdev_create_file(dev, *attr); + rc = device_create_file(dev, *attr); if (rc) goto out_unreg; } return 0; out_unreg: for (; attr >= etr_port_attributes; attr--) - sysdev_remove_file(dev, *attr); - sysdev_unregister(dev); + device_remove_file(dev, *attr); + device_unregister(dev); out: return rc; } -static void __init etr_unregister_port(struct sys_device *dev) +static void __init etr_unregister_port(struct device *dev) { - struct sysdev_attribute **attr; + struct device_attribute **attr; for (attr = etr_port_attributes; *attr; attr++) - sysdev_remove_file(dev, *attr); - sysdev_unregister(dev); + device_remove_file(dev, *attr); + device_unregister(dev); } static int __init etr_init_sysfs(void) { int rc; - rc = sysdev_class_register(&etr_sysclass); + rc = subsys_system_register(&etr_subsys, NULL); if (rc) goto out; - rc = sysdev_class_create_file(&etr_sysclass, &attr_stepping_port); + rc = device_create_file(etr_subsys.dev_root, &dev_attr_stepping_port); if (rc) - goto out_unreg_class; - rc = sysdev_class_create_file(&etr_sysclass, &attr_stepping_mode); + goto out_unreg_subsys; + rc = device_create_file(etr_subsys.dev_root, &dev_attr_stepping_mode); if (rc) goto out_remove_stepping_port; rc = etr_register_port(&etr_port0_dev); @@ -1395,11 +1396,11 @@ static int __init etr_init_sysfs(void) out_remove_port0: etr_unregister_port(&etr_port0_dev); out_remove_stepping_mode: - sysdev_class_remove_file(&etr_sysclass, &attr_stepping_mode); + device_remove_file(etr_subsys.dev_root, &dev_attr_stepping_mode); out_remove_stepping_port: - sysdev_class_remove_file(&etr_sysclass, &attr_stepping_port); -out_unreg_class: - sysdev_class_unregister(&etr_sysclass); + device_remove_file(etr_subsys.dev_root, &dev_attr_stepping_port); +out_unreg_subsys: + bus_unregister(&etr_subsys); out: return rc; } @@ -1599,14 +1600,15 @@ out_unlock: } /* - * STP class sysfs interface functions + * STP subsys sysfs interface functions */ -static struct sysdev_class stp_sysclass = { - .name = "stp", +static struct bus_type stp_subsys = { + .name = "stp", + .dev_name = "stp", }; -static ssize_t stp_ctn_id_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_ctn_id_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online) @@ -1615,10 +1617,10 @@ static ssize_t stp_ctn_id_show(struct sysdev_class *class, *(unsigned long long *) stp_info.ctnid); } -static SYSDEV_CLASS_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL); +static DEVICE_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL); -static ssize_t stp_ctn_type_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_ctn_type_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online) @@ -1626,10 +1628,10 @@ static ssize_t stp_ctn_type_show(struct sysdev_class *class, return sprintf(buf, "%i\n", stp_info.ctn); } -static SYSDEV_CLASS_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL); +static DEVICE_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL); -static ssize_t stp_dst_offset_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_dst_offset_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online || !(stp_info.vbits & 0x2000)) @@ -1637,10 +1639,10 @@ static ssize_t stp_dst_offset_show(struct sysdev_class *class, return sprintf(buf, "%i\n", (int)(s16) stp_info.dsto); } -static SYSDEV_CLASS_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL); +static DEVICE_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL); -static ssize_t stp_leap_seconds_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_leap_seconds_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online || !(stp_info.vbits & 0x8000)) @@ -1648,10 +1650,10 @@ static ssize_t stp_leap_seconds_show(struct sysdev_class *class, return sprintf(buf, "%i\n", (int)(s16) stp_info.leaps); } -static SYSDEV_CLASS_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL); +static DEVICE_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL); -static ssize_t stp_stratum_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_stratum_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online) @@ -1659,10 +1661,10 @@ static ssize_t stp_stratum_show(struct sysdev_class *class, return sprintf(buf, "%i\n", (int)(s16) stp_info.stratum); } -static SYSDEV_CLASS_ATTR(stratum, 0400, stp_stratum_show, NULL); +static DEVICE_ATTR(stratum, 0400, stp_stratum_show, NULL); -static ssize_t stp_time_offset_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_time_offset_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online || !(stp_info.vbits & 0x0800)) @@ -1670,10 +1672,10 @@ static ssize_t stp_time_offset_show(struct sysdev_class *class, return sprintf(buf, "%i\n", (int) stp_info.tto); } -static SYSDEV_CLASS_ATTR(time_offset, 0400, stp_time_offset_show, NULL); +static DEVICE_ATTR(time_offset, 0400, stp_time_offset_show, NULL); -static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_time_zone_offset_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online || !(stp_info.vbits & 0x4000)) @@ -1681,11 +1683,11 @@ static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, return sprintf(buf, "%i\n", (int)(s16) stp_info.tzo); } -static SYSDEV_CLASS_ATTR(time_zone_offset, 0400, +static DEVICE_ATTR(time_zone_offset, 0400, stp_time_zone_offset_show, NULL); -static ssize_t stp_timing_mode_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_timing_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online) @@ -1693,10 +1695,10 @@ static ssize_t stp_timing_mode_show(struct sysdev_class *class, return sprintf(buf, "%i\n", stp_info.tmd); } -static SYSDEV_CLASS_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL); +static DEVICE_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL); -static ssize_t stp_timing_state_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_timing_state_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online) @@ -1704,17 +1706,17 @@ static ssize_t stp_timing_state_show(struct sysdev_class *class, return sprintf(buf, "%i\n", stp_info.tst); } -static SYSDEV_CLASS_ATTR(timing_state, 0400, stp_timing_state_show, NULL); +static DEVICE_ATTR(timing_state, 0400, stp_timing_state_show, NULL); -static ssize_t stp_online_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_online_show(struct device *dev, + struct device_attribute *attr, char *buf) { return sprintf(buf, "%i\n", stp_online); } -static ssize_t stp_online_store(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_online_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { unsigned int value; @@ -1736,47 +1738,47 @@ static ssize_t stp_online_store(struct sysdev_class *class, } /* - * Can't use SYSDEV_CLASS_ATTR because the attribute should be named - * stp/online but attr_online already exists in this file .. + * Can't use DEVICE_ATTR because the attribute should be named + * stp/online but dev_attr_online already exists in this file .. */ -static struct sysdev_class_attribute attr_stp_online = { +static struct device_attribute dev_attr_stp_online = { .attr = { .name = "online", .mode = 0600 }, .show = stp_online_show, .store = stp_online_store, }; -static struct sysdev_class_attribute *stp_attributes[] = { - &attr_ctn_id, - &attr_ctn_type, - &attr_dst_offset, - &attr_leap_seconds, - &attr_stp_online, - &attr_stratum, - &attr_time_offset, - &attr_time_zone_offset, - &attr_timing_mode, - &attr_timing_state, +static struct device_attribute *stp_attributes[] = { + &dev_attr_ctn_id, + &dev_attr_ctn_type, + &dev_attr_dst_offset, + &dev_attr_leap_seconds, + &dev_attr_stp_online, + &dev_attr_stratum, + &dev_attr_time_offset, + &dev_attr_time_zone_offset, + &dev_attr_timing_mode, + &dev_attr_timing_state, NULL }; static int __init stp_init_sysfs(void) { - struct sysdev_class_attribute **attr; + struct device_attribute **attr; int rc; - rc = sysdev_class_register(&stp_sysclass); + rc = subsys_system_register(&stp_subsys, NULL); if (rc) goto out; for (attr = stp_attributes; *attr; attr++) { - rc = sysdev_class_create_file(&stp_sysclass, *attr); + rc = device_create_file(stp_subsys.dev_root, *attr); if (rc) goto out_unreg; } return 0; out_unreg: for (; attr >= stp_attributes; attr--) - sysdev_class_remove_file(&stp_sysclass, *attr); - sysdev_class_unregister(&stp_sysclass); + device_remove_file(stp_subsys.dev_root, *attr); + bus_unregister(&stp_subsys); out: return rc; } diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 77b8942b9a1..6e0e29b29a7 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -68,8 +68,10 @@ static cpumask_t cpu_group_map(struct mask_info *info, unsigned int cpu) return mask; } -static void add_cpus_to_mask(struct topology_cpu *tl_cpu, - struct mask_info *book, struct mask_info *core) +static struct mask_info *add_cpus_to_mask(struct topology_cpu *tl_cpu, + struct mask_info *book, + struct mask_info *core, + int z10) { unsigned int cpu; @@ -88,10 +90,16 @@ static void add_cpus_to_mask(struct topology_cpu *tl_cpu, cpu_book_id[lcpu] = book->id; #endif cpumask_set_cpu(lcpu, &core->mask); - cpu_core_id[lcpu] = core->id; + if (z10) { + cpu_core_id[lcpu] = rcpu; + core = core->next; + } else { + cpu_core_id[lcpu] = core->id; + } smp_cpu_polarization[lcpu] = tl_cpu->pp; } } + return core; } static void clear_masks(void) @@ -123,18 +131,41 @@ static void tl_to_cores(struct sysinfo_15_1_x *info) { #ifdef CONFIG_SCHED_BOOK struct mask_info *book = &book_info; + struct cpuid cpu_id; #else struct mask_info *book = NULL; #endif struct mask_info *core = &core_info; union topology_entry *tle, *end; + int z10 = 0; - +#ifdef CONFIG_SCHED_BOOK + get_cpu_id(&cpu_id); + z10 = cpu_id.machine == 0x2097 || cpu_id.machine == 0x2098; +#endif spin_lock_irq(&topology_lock); clear_masks(); tle = info->tle; end = (union topology_entry *)((unsigned long)info + info->length); while (tle < end) { +#ifdef CONFIG_SCHED_BOOK + if (z10) { + switch (tle->nl) { + case 1: + book = book->next; + book->id = tle->container.id; + break; + case 0: + core = add_cpus_to_mask(&tle->cpu, book, core, z10); + break; + default: + clear_masks(); + goto out; + } + tle = next_tle(tle); + continue; + } +#endif switch (tle->nl) { #ifdef CONFIG_SCHED_BOOK case 2: @@ -147,7 +178,7 @@ static void tl_to_cores(struct sysinfo_15_1_x *info) core->id = tle->container.id; break; case 0: - add_cpus_to_mask(&tle->cpu, book, core); + add_cpus_to_mask(&tle->cpu, book, core, z10); break; default: clear_masks(); @@ -230,7 +261,7 @@ void store_topology(struct sysinfo_15_1_x *info) int arch_update_cpu_topology(void) { struct sysinfo_15_1_x *info = tl_info; - struct sys_device *sysdev; + struct device *dev; int cpu; if (!MACHINE_HAS_TOPOLOGY) { @@ -242,8 +273,8 @@ int arch_update_cpu_topology(void) tl_to_cores(info); update_cpu_core_map(); for_each_online_cpu(cpu) { - sysdev = get_cpu_sysdev(cpu); - kobject_uevent(&sysdev->kobj, KOBJ_CHANGE); + dev = get_cpu_device(cpu); + kobject_uevent(&dev->kobj, KOBJ_CHANGE); } return 1; } @@ -328,8 +359,8 @@ void __init s390_init_cpu_topology(void) for (i = 0; i < TOPOLOGY_NR_MAG; i++) printk(" %d", info->mag[i]); printk(" / %d\n", info->mnest); - alloc_masks(info, &core_info, 2); + alloc_masks(info, &core_info, 1); #ifdef CONFIG_SCHED_BOOK - alloc_masks(info, &book_info, 3); + alloc_masks(info, &book_info, 2); #endif } diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 56fe6bc81fe..e4c79ebb40e 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -43,6 +43,8 @@ SECTIONS NOTES :text :note + .dummy : { *(.dummy) } :data + RODATA #ifdef CONFIG_SHARED_KERNEL |