diff options
Diffstat (limited to 'arch/sparc')
-rw-r--r-- | arch/sparc/Kconfig | 4 | ||||
-rw-r--r-- | arch/sparc/Makefile | 4 | ||||
-rw-r--r-- | arch/sparc/include/asm/mman.h | 2 | ||||
-rw-r--r-- | arch/sparc/include/asm/perf_counter.h | 14 | ||||
-rw-r--r-- | arch/sparc/include/asm/perf_event.h | 14 | ||||
-rw-r--r-- | arch/sparc/include/asm/smp_64.h | 1 | ||||
-rw-r--r-- | arch/sparc/include/asm/topology_64.h | 16 | ||||
-rw-r--r-- | arch/sparc/include/asm/unistd.h | 2 | ||||
-rw-r--r-- | arch/sparc/include/asm/vio.h | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/Makefile | 8 | ||||
-rw-r--r-- | arch/sparc/kernel/init_task.c | 5 | ||||
-rw-r--r-- | arch/sparc/kernel/irq_64.c | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/nmi.c | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/pcr.c | 10 | ||||
-rw-r--r-- | arch/sparc/kernel/perf_event.c (renamed from arch/sparc/kernel/perf_counter.c) | 179 | ||||
-rw-r--r-- | arch/sparc/kernel/sys_sparc32.c | 1 | ||||
-rw-r--r-- | arch/sparc/kernel/systbls.h | 3 | ||||
-rw-r--r-- | arch/sparc/kernel/systbls_32.S | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/systbls_64.S | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/vmlinux.lds.S | 75 | ||||
-rw-r--r-- | arch/sparc/mm/init_32.c | 2 |
21 files changed, 138 insertions, 216 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 86b8234..97fca46 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -25,7 +25,7 @@ config SPARC select ARCH_WANT_OPTIONAL_GPIOLIB select RTC_CLASS select RTC_DRV_M48T59 - select HAVE_PERF_COUNTERS + select HAVE_PERF_EVENTS select HAVE_DMA_ATTRS select HAVE_DMA_API_DEBUG @@ -47,7 +47,7 @@ config SPARC64 select RTC_DRV_BQ4802 select RTC_DRV_SUN4V select RTC_DRV_STARFIRE - select HAVE_PERF_COUNTERS + select HAVE_PERF_EVENTS config ARCH_DEFCONFIG string diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile index 467221d..dfe272d 100644 --- a/arch/sparc/Makefile +++ b/arch/sparc/Makefile @@ -31,7 +31,6 @@ export BITS := 32 #KBUILD_CFLAGS += -g -pipe -fcall-used-g5 -fcall-used-g7 KBUILD_CFLAGS += -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7 KBUILD_AFLAGS += -m32 -CPPFLAGS_vmlinux.lds += -m32 #LDFLAGS_vmlinux = -N -Ttext 0xf0004000 # Since 2.5.40, the first stage is left not btfix-ed. @@ -45,9 +44,6 @@ else CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64 -# Undefine sparc when processing vmlinux.lds - it is used -# And teach CPP we are doing 64 bit builds (for this case) -CPPFLAGS_vmlinux.lds += -m64 -Usparc LDFLAGS := -m elf64_sparc export BITS := 64 diff --git a/arch/sparc/include/asm/mman.h b/arch/sparc/include/asm/mman.h index 988192e..c3029ad 100644 --- a/arch/sparc/include/asm/mman.h +++ b/arch/sparc/include/asm/mman.h @@ -20,6 +20,8 @@ #define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ #define MAP_NONBLOCK 0x10000 /* do not block on IO */ +#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ +#define MAP_HUGETLB 0x40000 /* create a huge page mapping */ #ifdef __KERNEL__ #ifndef __ASSEMBLY__ diff --git a/arch/sparc/include/asm/perf_counter.h b/arch/sparc/include/asm/perf_counter.h deleted file mode 100644 index 5d7a8ca..0000000 --- a/arch/sparc/include/asm/perf_counter.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef __ASM_SPARC_PERF_COUNTER_H -#define __ASM_SPARC_PERF_COUNTER_H - -extern void set_perf_counter_pending(void); - -#define PERF_COUNTER_INDEX_OFFSET 0 - -#ifdef CONFIG_PERF_COUNTERS -extern void init_hw_perf_counters(void); -#else -static inline void init_hw_perf_counters(void) { } -#endif - -#endif diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h new file mode 100644 index 0000000..7e26698 --- /dev/null +++ b/arch/sparc/include/asm/perf_event.h @@ -0,0 +1,14 @@ +#ifndef __ASM_SPARC_PERF_EVENT_H +#define __ASM_SPARC_PERF_EVENT_H + +extern void set_perf_event_pending(void); + +#define PERF_EVENT_INDEX_OFFSET 0 + +#ifdef CONFIG_PERF_EVENTS +extern void init_hw_perf_events(void); +#else +static inline void init_hw_perf_events(void) { } +#endif + +#endif diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h index becb6bf..f49e11c 100644 --- a/arch/sparc/include/asm/smp_64.h +++ b/arch/sparc/include/asm/smp_64.h @@ -36,7 +36,6 @@ extern int sparc64_multi_core; extern void arch_send_call_function_single_ipi(int cpu); extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); -#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask /* * General functions that each host system must provide. diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h index 26cd25c..600a790 100644 --- a/arch/sparc/include/asm/topology_64.h +++ b/arch/sparc/include/asm/topology_64.h @@ -12,22 +12,8 @@ static inline int cpu_to_node(int cpu) #define parent_node(node) (node) -static inline cpumask_t node_to_cpumask(int node) -{ - return numa_cpumask_lookup_table[node]; -} #define cpumask_of_node(node) (&numa_cpumask_lookup_table[node]) -/* - * Returns a pointer to the cpumask of CPUs on Node 'node'. - * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)" - */ -#define node_to_cpumask_ptr(v, node) \ - cpumask_t *v = &(numa_cpumask_lookup_table[node]) - -#define node_to_cpumask_ptr_next(v, node) \ - v = &(numa_cpumask_lookup_table[node]) - struct pci_bus; #ifdef CONFIG_PCI extern int pcibus_to_node(struct pci_bus *pbus); @@ -71,8 +57,6 @@ static inline int pcibus_to_node(struct pci_bus *pbus) #ifdef CONFIG_SMP #define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id) #define topology_core_id(cpu) (cpu_data(cpu).core_id) -#define topology_core_siblings(cpu) (cpu_core_map[cpu]) -#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) #define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) #define mc_capable() (sparc64_multi_core) diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index 706df66..42f2316 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -395,7 +395,7 @@ #define __NR_preadv 324 #define __NR_pwritev 325 #define __NR_rt_tgsigqueueinfo 326 -#define __NR_perf_counter_open 327 +#define __NR_perf_event_open 327 #define NR_SYSCALLS 328 diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h index d4de32f..6cdbf7e 100644 --- a/arch/sparc/include/asm/vio.h +++ b/arch/sparc/include/asm/vio.h @@ -258,7 +258,7 @@ static inline void *vio_dring_entry(struct vio_dring_state *dr, static inline u32 vio_dring_avail(struct vio_dring_state *dr, unsigned int ring_size) { - BUILD_BUG_ON(!is_power_of_2(ring_size)); + MAYBE_BUILD_BUG_ON(!is_power_of_2(ring_size)); return (dr->pending - ((dr->prod - dr->cons) & (ring_size - 1))); diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 247cc620..5b47fab 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -7,7 +7,11 @@ ccflags-y := -Werror extra-y := head_$(BITS).o extra-y += init_task.o -extra-y += vmlinux.lds + +# Undefine sparc when processing vmlinux.lds - it is used +# And teach CPP we are doing $(BITS) builds (for this case) +CPPFLAGS_vmlinux.lds := -Usparc -m$(BITS) +extra-y += vmlinux.lds obj-$(CONFIG_SPARC32) += entry.o wof.o wuf.o obj-$(CONFIG_SPARC32) += etrap_32.o @@ -104,5 +108,5 @@ obj-$(CONFIG_AUDIT) += audit.o audit--$(CONFIG_AUDIT) := compat_audit.o obj-$(CONFIG_COMPAT) += $(audit--y) -pc--$(CONFIG_PERF_COUNTERS) := perf_counter.o +pc--$(CONFIG_PERF_EVENTS) := perf_event.o obj-$(CONFIG_SPARC64) += $(pc--y) diff --git a/arch/sparc/kernel/init_task.c b/arch/sparc/kernel/init_task.c index 28125c5..5fe3d65 100644 --- a/arch/sparc/kernel/init_task.c +++ b/arch/sparc/kernel/init_task.c @@ -18,6 +18,5 @@ EXPORT_SYMBOL(init_task); * If this is not aligned on a 8k boundry, then you should change code * in etrap.S which assumes it. */ -union thread_union init_thread_union - __attribute__((section (".data.init_task"))) - = { INIT_THREAD_INFO(init_task) }; +union thread_union init_thread_union __init_task_data = + { INIT_THREAD_INFO(init_task) }; diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index 8daab33..8ab1d47 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -229,7 +229,7 @@ static unsigned int sun4u_compute_tid(unsigned long imap, unsigned long cpuid) tid = ((a << IMAP_AID_SHIFT) | (n << IMAP_NID_SHIFT)); tid &= (IMAP_AID_SAFARI | - IMAP_NID_SAFARI);; + IMAP_NID_SAFARI); } } else { tid = cpuid << IMAP_TID_SHIFT; diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index 378eb53..b129611 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -19,7 +19,7 @@ #include <linux/delay.h> #include <linux/smp.h> -#include <asm/perf_counter.h> +#include <asm/perf_event.h> #include <asm/ptrace.h> #include <asm/local.h> #include <asm/pcr.h> @@ -265,7 +265,7 @@ int __init nmi_init(void) } } if (!err) - init_hw_perf_counters(); + init_hw_perf_events(); return err; } diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c index 68ff001..2d94e7a 100644 --- a/arch/sparc/kernel/pcr.c +++ b/arch/sparc/kernel/pcr.c @@ -7,7 +7,7 @@ #include <linux/init.h> #include <linux/irq.h> -#include <linux/perf_counter.h> +#include <linux/perf_event.h> #include <asm/pil.h> #include <asm/pcr.h> @@ -15,7 +15,7 @@ /* This code is shared between various users of the performance * counters. Users will be oprofile, pseudo-NMI watchdog, and the - * perf_counter support layer. + * perf_event support layer. */ #define PCR_SUN4U_ENABLE (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE) @@ -42,14 +42,14 @@ void deferred_pcr_work_irq(int irq, struct pt_regs *regs) old_regs = set_irq_regs(regs); irq_enter(); -#ifdef CONFIG_PERF_COUNTERS - perf_counter_do_pending(); +#ifdef CONFIG_PERF_EVENTS + perf_event_do_pending(); #endif irq_exit(); set_irq_regs(old_regs); } -void set_perf_counter_pending(void) +void set_perf_event_pending(void) { set_softint(1 << PIL_DEFERRED_PCR_WORK); } diff --git a/arch/sparc/kernel/perf_counter.c b/arch/sparc/kernel/perf_event.c index 09de4035..2d6a1b1 100644 --- a/arch/sparc/kernel/perf_counter.c +++ b/arch/sparc/kernel/perf_event.c @@ -1,8 +1,8 @@ -/* Performance counter support for sparc64. +/* Performance event support for sparc64. * * Copyright (C) 2009 David S. Miller <davem@davemloft.net> * - * This code is based almost entirely upon the x86 perf counter + * This code is based almost entirely upon the x86 perf event * code, which is: * * Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de> @@ -12,7 +12,7 @@ * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> */ -#include <linux/perf_counter.h> +#include <linux/perf_event.h> #include <linux/kprobes.h> #include <linux/kernel.h> #include <linux/kdebug.h> @@ -46,19 +46,19 @@ * normal code. */ -#define MAX_HWCOUNTERS 2 +#define MAX_HWEVENTS 2 #define MAX_PERIOD ((1UL << 32) - 1) #define PIC_UPPER_INDEX 0 #define PIC_LOWER_INDEX 1 -struct cpu_hw_counters { - struct perf_counter *counters[MAX_HWCOUNTERS]; - unsigned long used_mask[BITS_TO_LONGS(MAX_HWCOUNTERS)]; - unsigned long active_mask[BITS_TO_LONGS(MAX_HWCOUNTERS)]; +struct cpu_hw_events { + struct perf_event *events[MAX_HWEVENTS]; + unsigned long used_mask[BITS_TO_LONGS(MAX_HWEVENTS)]; + unsigned long active_mask[BITS_TO_LONGS(MAX_HWEVENTS)]; int enabled; }; -DEFINE_PER_CPU(struct cpu_hw_counters, cpu_hw_counters) = { .enabled = 1, }; +DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, }; struct perf_event_map { u16 encoding; @@ -87,9 +87,9 @@ static const struct perf_event_map ultra3i_perfmon_event_map[] = { [PERF_COUNT_HW_CACHE_MISSES] = { 0x0009, PIC_UPPER }, }; -static const struct perf_event_map *ultra3i_event_map(int event) +static const struct perf_event_map *ultra3i_event_map(int event_id) { - return &ultra3i_perfmon_event_map[event]; + return &ultra3i_perfmon_event_map[event_id]; } static const struct sparc_pmu ultra3i_pmu = { @@ -111,9 +111,9 @@ static const struct perf_event_map niagara2_perfmon_event_map[] = { [PERF_COUNT_HW_BRANCH_MISSES] = { 0x0202, PIC_UPPER | PIC_LOWER }, }; -static const struct perf_event_map *niagara2_event_map(int event) +static const struct perf_event_map *niagara2_event_map(int event_id) { - return &niagara2_perfmon_event_map[event]; + return &niagara2_perfmon_event_map[event_id]; } static const struct sparc_pmu niagara2_pmu = { @@ -130,13 +130,13 @@ static const struct sparc_pmu niagara2_pmu = { static const struct sparc_pmu *sparc_pmu __read_mostly; -static u64 event_encoding(u64 event, int idx) +static u64 event_encoding(u64 event_id, int idx) { if (idx == PIC_UPPER_INDEX) - event <<= sparc_pmu->upper_shift; + event_id <<= sparc_pmu->upper_shift; else - event <<= sparc_pmu->lower_shift; - return event; + event_id <<= sparc_pmu->lower_shift; + return event_id; } static u64 mask_for_index(int idx) @@ -151,7 +151,7 @@ static u64 nop_for_index(int idx) sparc_pmu->lower_nop, idx); } -static inline void sparc_pmu_enable_counter(struct hw_perf_counter *hwc, +static inline void sparc_pmu_enable_event(struct hw_perf_event *hwc, int idx) { u64 val, mask = mask_for_index(idx); @@ -160,7 +160,7 @@ static inline void sparc_pmu_enable_counter(struct hw_perf_counter *hwc, pcr_ops->write((val & ~mask) | hwc->config); } -static inline void sparc_pmu_disable_counter(struct hw_perf_counter *hwc, +static inline void sparc_pmu_disable_event(struct hw_perf_event *hwc, int idx) { u64 mask = mask_for_index(idx); @@ -172,7 +172,7 @@ static inline void sparc_pmu_disable_counter(struct hw_perf_counter *hwc, void hw_perf_enable(void) { - struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); u64 val; int i; @@ -184,9 +184,9 @@ void hw_perf_enable(void) val = pcr_ops->read(); - for (i = 0; i < MAX_HWCOUNTERS; i++) { - struct perf_counter *cp = cpuc->counters[i]; - struct hw_perf_counter *hwc; + for (i = 0; i < MAX_HWEVENTS; i++) { + struct perf_event *cp = cpuc->events[i]; + struct hw_perf_event *hwc; if (!cp) continue; @@ -199,7 +199,7 @@ void hw_perf_enable(void) void hw_perf_disable(void) { - struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); u64 val; if (!cpuc->enabled) @@ -241,8 +241,8 @@ static void write_pmc(int idx, u64 val) write_pic(pic); } -static int sparc_perf_counter_set_period(struct perf_counter *counter, - struct hw_perf_counter *hwc, int idx) +static int sparc_perf_event_set_period(struct perf_event *event, + struct hw_perf_event *hwc, int idx) { s64 left = atomic64_read(&hwc->period_left); s64 period = hwc->sample_period; @@ -268,33 +268,33 @@ static int sparc_perf_counter_set_period(struct perf_counter *counter, write_pmc(idx, (u64)(-left) & 0xffffffff); - perf_counter_update_userpage(counter); + perf_event_update_userpage(event); return ret; } -static int sparc_pmu_enable(struct perf_counter *counter) +static int sparc_pmu_enable(struct perf_event *event) { - struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); - struct hw_perf_counter *hwc = &counter->hw; + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct hw_perf_event *hwc = &event->hw; int idx = hwc->idx; if (test_and_set_bit(idx, cpuc->used_mask)) return -EAGAIN; - sparc_pmu_disable_counter(hwc, idx); + sparc_pmu_disable_event(hwc, idx); - cpuc->counters[idx] = counter; + cpuc->events[idx] = event; set_bit(idx, cpuc->active_mask); - sparc_perf_counter_set_period(counter, hwc, idx); - sparc_pmu_enable_counter(hwc, idx); - perf_counter_update_userpage(counter); + sparc_perf_event_set_period(event, hwc, idx); + sparc_pmu_enable_event(hwc, idx); + perf_event_update_userpage(event); return 0; } -static u64 sparc_perf_counter_update(struct perf_counter *counter, - struct hw_perf_counter *hwc, int idx) +static u64 sparc_perf_event_update(struct perf_event *event, + struct hw_perf_event *hwc, int idx) { int shift = 64 - 32; u64 prev_raw_count, new_raw_count; @@ -311,79 +311,79 @@ again: delta = (new_raw_count << shift) - (prev_raw_count << shift); delta >>= shift; - atomic64_add(delta, &counter->count); + atomic64_add(delta, &event->count); atomic64_sub(delta, &hwc->period_left); return new_raw_count; } -static void sparc_pmu_disable(struct perf_counter *counter) +static void sparc_pmu_disable(struct perf_event *event) { - struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); - struct hw_perf_counter *hwc = &counter->hw; + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct hw_perf_event *hwc = &event->hw; int idx = hwc->idx; clear_bit(idx, cpuc->active_mask); - sparc_pmu_disable_counter(hwc, idx); + sparc_pmu_disable_event(hwc, idx); barrier(); - sparc_perf_counter_update(counter, hwc, idx); - cpuc->counters[idx] = NULL; + sparc_perf_event_update(event, hwc, idx); + cpuc->events[idx] = NULL; clear_bit(idx, cpuc->used_mask); - perf_counter_update_userpage(counter); + perf_event_update_userpage(event); } -static void sparc_pmu_read(struct perf_counter *counter) +static void sparc_pmu_read(struct perf_event *event) { - struct hw_perf_counter *hwc = &counter->hw; - sparc_perf_counter_update(counter, hwc, hwc->idx); + struct hw_perf_event *hwc = &event->hw; + sparc_perf_event_update(event, hwc, hwc->idx); } -static void sparc_pmu_unthrottle(struct perf_counter *counter) +static void sparc_pmu_unthrottle(struct perf_event *event) { - struct hw_perf_counter *hwc = &counter->hw; - sparc_pmu_enable_counter(hwc, hwc->idx); + struct hw_perf_event *hwc = &event->hw; + sparc_pmu_enable_event(hwc, hwc->idx); } -static atomic_t active_counters = ATOMIC_INIT(0); +static atomic_t active_events = ATOMIC_INIT(0); static DEFINE_MUTEX(pmc_grab_mutex); -void perf_counter_grab_pmc(void) +void perf_event_grab_pmc(void) { - if (atomic_inc_not_zero(&active_counters)) + if (atomic_inc_not_zero(&active_events)) return; mutex_lock(&pmc_grab_mutex); - if (atomic_read(&active_counters) == 0) { + if (atomic_read(&active_events) == 0) { if (atomic_read(&nmi_active) > 0) { on_each_cpu(stop_nmi_watchdog, NULL, 1); BUG_ON(atomic_read(&nmi_active) != 0); } - atomic_inc(&active_counters); + atomic_inc(&active_events); } mutex_unlock(&pmc_grab_mutex); } -void perf_counter_release_pmc(void) +void perf_event_release_pmc(void) { - if (atomic_dec_and_mutex_lock(&active_counters, &pmc_grab_mutex)) { + if (atomic_dec_and_mutex_lock(&active_events, &pmc_grab_mutex)) { if (atomic_read(&nmi_active) == 0) on_each_cpu(start_nmi_watchdog, NULL, 1); mutex_unlock(&pmc_grab_mutex); } } -static void hw_perf_counter_destroy(struct perf_counter *counter) +static void hw_perf_event_destroy(struct perf_event *event) { - perf_counter_release_pmc(); + perf_event_release_pmc(); } -static int __hw_perf_counter_init(struct perf_counter *counter) +static int __hw_perf_event_init(struct perf_event *event) { - struct perf_counter_attr *attr = &counter->attr; - struct hw_perf_counter *hwc = &counter->hw; + struct perf_event_attr *attr = &event->attr; + struct hw_perf_event *hwc = &event->hw; const struct perf_event_map *pmap; u64 enc; @@ -396,8 +396,8 @@ static int __hw_perf_counter_init(struct perf_counter *counter) if (attr->config >= sparc_pmu->max_events) return -EINVAL; - perf_counter_grab_pmc(); - counter->destroy = hw_perf_counter_destroy; + perf_event_grab_pmc(); + event->destroy = hw_perf_event_destroy; /* We save the enable bits in the config_base. So to * turn off sampling just write 'config', and to enable @@ -439,16 +439,16 @@ static const struct pmu pmu = { .unthrottle = sparc_pmu_unthrottle, }; -const struct pmu *hw_perf_counter_init(struct perf_counter *counter) +const struct pmu *hw_perf_event_init(struct perf_event *event) { - int err = __hw_perf_counter_init(counter); + int err = __hw_perf_event_init(event); if (err) return ERR_PTR(err); return &pmu; } -void perf_counter_print_debug(void) +void perf_event_print_debug(void) { unsigned long flags; u64 pcr, pic; @@ -471,16 +471,16 @@ void perf_counter_print_debug(void) local_irq_restore(flags); } -static int __kprobes perf_counter_nmi_handler(struct notifier_block *self, +static int __kprobes perf_event_nmi_handler(struct notifier_block *self, unsigned long cmd, void *__args) { struct die_args *args = __args; struct perf_sample_data data; - struct cpu_hw_counters *cpuc; + struct cpu_hw_events *cpuc; struct pt_regs *regs; int idx; - if (!atomic_read(&active_counters)) + if (!atomic_read(&active_events)) return NOTIFY_DONE; switch (cmd) { @@ -493,35 +493,34 @@ static int __kprobes perf_counter_nmi_handler(struct notifier_block *self, regs = args->regs; - data.regs = regs; data.addr = 0; - cpuc = &__get_cpu_var(cpu_hw_counters); - for (idx = 0; idx < MAX_HWCOUNTERS; idx++) { - struct perf_counter *counter = cpuc->counters[idx]; - struct hw_perf_counter *hwc; + cpuc = &__get_cpu_var(cpu_hw_events); + for (idx = 0; idx < MAX_HWEVENTS; idx++) { + struct perf_event *event = cpuc->events[idx]; + struct hw_perf_event *hwc; u64 val; if (!test_bit(idx, cpuc->active_mask)) continue; - hwc = &counter->hw; - val = sparc_perf_counter_update(counter, hwc, idx); + hwc = &event->hw; + val = sparc_perf_event_update(event, hwc, idx); if (val & (1ULL << 31)) continue; - data.period = counter->hw.last_period; - if (!sparc_perf_counter_set_period(counter, hwc, idx)) + data.period = event->hw.last_period; + if (!sparc_perf_event_set_period(event, hwc, idx)) continue; - if (perf_counter_overflow(counter, 1, &data)) - sparc_pmu_disable_counter(hwc, idx); + if (perf_event_overflow(event, 1, &data, regs)) + sparc_pmu_disable_event(hwc, idx); } return NOTIFY_STOP; } -static __read_mostly struct notifier_block perf_counter_nmi_notifier = { - .notifier_call = perf_counter_nmi_handler, +static __read_mostly struct notifier_block perf_event_nmi_notifier = { + .notifier_call = perf_event_nmi_handler, }; static bool __init supported_pmu(void) @@ -537,9 +536,9 @@ static bool __init supported_pmu(void) return false; } -void __init init_hw_perf_counters(void) +void __init init_hw_perf_events(void) { - pr_info("Performance counters: "); + pr_info("Performance events: "); if (!supported_pmu()) { pr_cont("No support for PMU type '%s'\n", sparc_pmu_type); @@ -548,10 +547,10 @@ void __init init_hw_perf_counters(void) pr_cont("Supported PMU type is '%s'\n", sparc_pmu_type); - /* All sparc64 PMUs currently have 2 counters. But this simple - * driver only supports one active counter at a time. + /* All sparc64 PMUs currently have 2 events. But this simple + * driver only supports one active event at a time. */ - perf_max_counters = 1; + perf_max_events = 1; - register_die_notifier(&perf_counter_nmi_notifier); + register_die_notifier(&perf_event_nmi_notifier); } diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index f5000a4..04e28b2 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -16,7 +16,6 @@ #include <linux/signal.h> #include <linux/resource.h> #include <linux/times.h> -#include <linux/utsname.h> #include <linux/smp.h> #include <linux/smp_lock.h> #include <linux/sem.h> diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h index 15c2d752..a63c5d2 100644 --- a/arch/sparc/kernel/systbls.h +++ b/arch/sparc/kernel/systbls.h @@ -3,10 +3,11 @@ #include <linux/kernel.h> #include <linux/types.h> -#include <linux/utsname.h> #include <asm/utrap.h> #include <asm/signal.h> +struct new_utsname; + extern asmlinkage unsigned long sys_getpagesize(void); extern asmlinkage unsigned long sparc_brk(unsigned long brk); extern asmlinkage long sparc_pipe(struct pt_regs *regs); diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 0418157..0f1658d 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -82,5 +82,5 @@ sys_call_table: /*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate /*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 /*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv -/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_counter_open +/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 91b06b7..009825f 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -83,7 +83,7 @@ sys_call_table32: /*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate .word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1 /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv - .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_counter_open + .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open #endif /* CONFIG_COMPAT */ @@ -158,4 +158,4 @@ sys_call_table: /*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate .word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv - .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_counter_open + .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index 866390f..4e59925 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -51,70 +51,27 @@ SECTIONS _etext = .; RO_DATA(PAGE_SIZE) - .data : { - DATA_DATA - CONSTRUCTORS - } .data1 : { *(.data1) } - . = ALIGN(SMP_CACHE_BYTES); - .data.cacheline_aligned : { - *(.data.cacheline_aligned) - } - . = ALIGN(SMP_CACHE_BYTES); - .data.read_mostly : { - *(.data.read_mostly) - } + RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE) + /* End of data section */ _edata = .; - /* init_task */ - . = ALIGN(THREAD_SIZE); - .data.init_task : { - *(.data.init_task) - } .fixup : { __start___fixup = .; *(.fixup) __stop___fixup = .; } - . = ALIGN(16); - __ex_table : { - __start___ex_table = .; - *(__ex_table) - __stop___ex_table = .; - } + EXCEPTION_TABLE(16) NOTES . = ALIGN(PAGE_SIZE); - .init.text : { - __init_begin = .; - _sinittext = .; - INIT_TEXT - _einittext = .; - } + __init_begin = ALIGN(PAGE_SIZE); + INIT_TEXT_SECTION(PAGE_SIZE) __init_text_end = .; - .init.data : { - INIT_DATA - } - . = ALIGN(16); - .init.setup : { - __setup_start = .; - *(.init.setup) - __setup_end = .; - } - .initcall.init : { - __initcall_start = .; - INITCALLS - __initcall_end = .; - } - .con_initcall.init : { - __con_initcall_start = .; - *(.con_initcall.init) - __con_initcall_end = .; - } - SECURITY_INIT + INIT_DATA_SECTION(16) . = ALIGN(4); .tsb_ldquad_phys_patch : { @@ -146,29 +103,11 @@ SECTIONS __sun4v_2insn_patch_end = .; } -#ifdef CONFIG_BLK_DEV_INITRD - . = ALIGN(PAGE_SIZE); - .init.ramfs : { - __initramfs_start = .; - *(.init.ramfs) - __initramfs_end = .; - } -#endif - PERCPU(PAGE_SIZE) . = ALIGN(PAGE_SIZE); __init_end = .; - __bss_start = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - *(.dynbss) - *(.bss) - *(COMMON) - } + BSS_SECTION(0, 0, 0) _end = . ; STABS_DEBUG diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index 54114ad..dc7c3b17a 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -472,7 +472,7 @@ void __init mem_init(void) reservedpages++; printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init, %ldk highmem)\n", - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), + nr_free_pages() << (PAGE_SHIFT-10), num_physpages << (PAGE_SHIFT - 10), codepages << (PAGE_SHIFT-10), reservedpages << (PAGE_SHIFT - 10), |