diff options
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/boards/mach-se/7780/irq.c | 1 | ||||
-rw-r--r-- | arch/sh/drivers/pci/ops-dreamcast.c | 1 | ||||
-rw-r--r-- | arch/sh/include/asm/mmu_context.h | 4 | ||||
-rw-r--r-- | arch/sh/include/asm/smp.h | 3 | ||||
-rw-r--r-- | arch/sh/include/asm/topology.h | 3 | ||||
-rw-r--r-- | arch/sh/include/asm/unistd_32.h | 3 | ||||
-rw-r--r-- | arch/sh/include/asm/unistd_64.h | 3 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/smp-shx3.c | 5 | ||||
-rw-r--r-- | arch/sh/kernel/ftrace.c | 60 | ||||
-rw-r--r-- | arch/sh/kernel/smp.c | 10 | ||||
-rw-r--r-- | arch/sh/kernel/syscalls_32.S | 1 | ||||
-rw-r--r-- | arch/sh/kernel/syscalls_64.S | 1 | ||||
-rw-r--r-- | arch/sh/kernel/time.c | 27 |
13 files changed, 58 insertions, 64 deletions
diff --git a/arch/sh/boards/mach-se/7780/irq.c b/arch/sh/boards/mach-se/7780/irq.c index b8d43b638fcf..121744c08714 100644 --- a/arch/sh/boards/mach-se/7780/irq.c +++ b/arch/sh/boards/mach-se/7780/irq.c @@ -12,7 +12,6 @@ #include <linux/init.h> #include <linux/irq.h> #include <linux/interrupt.h> -#include <linux/irq.h> #include <linux/io.h> #include <mach-se/mach/se7780.h> diff --git a/arch/sh/drivers/pci/ops-dreamcast.c b/arch/sh/drivers/pci/ops-dreamcast.c index e83d0d3aabe2..16e0a1baad88 100644 --- a/arch/sh/drivers/pci/ops-dreamcast.c +++ b/arch/sh/drivers/pci/ops-dreamcast.c @@ -18,7 +18,6 @@ #include <linux/pci.h> #include <linux/module.h> #include <linux/io.h> -#include <linux/irq.h> #include <mach/pci.h> /* diff --git a/arch/sh/include/asm/mmu_context.h b/arch/sh/include/asm/mmu_context.h index 2a9c55f1a83f..2c987f567763 100644 --- a/arch/sh/include/asm/mmu_context.h +++ b/arch/sh/include/asm/mmu_context.h @@ -122,11 +122,11 @@ static inline void switch_mm(struct mm_struct *prev, unsigned int cpu = smp_processor_id(); if (likely(prev != next)) { - cpu_set(cpu, next->cpu_vm_mask); + cpumask_set_cpu(cpu, mm_cpumask(next)); set_TTB(next->pgd); activate_context(next, cpu); } else - if (!cpu_test_and_set(cpu, next->cpu_vm_mask)) + if (!cpumask_test_and_set_cpu(cpu, mm_cpumask(next))) activate_context(next, cpu); } #else diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h index c24e9c6a1736..ca64f43abe67 100644 --- a/arch/sh/include/asm/smp.h +++ b/arch/sh/include/asm/smp.h @@ -43,7 +43,8 @@ void plat_start_cpu(unsigned int cpu, unsigned long entry_point); void plat_send_ipi(unsigned int cpu, unsigned int message); void arch_send_call_function_single_ipi(int cpu); -void arch_send_call_function_ipi(cpumask_t mask); +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 #else diff --git a/arch/sh/include/asm/topology.h b/arch/sh/include/asm/topology.h index 8489a0905a87..b69ee850906d 100644 --- a/arch/sh/include/asm/topology.h +++ b/arch/sh/include/asm/topology.h @@ -35,9 +35,6 @@ #define cpumask_of_node(node) ((void)node, cpu_online_mask) #define pcibus_to_node(bus) ((void)(bus), -1) -#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \ - CPU_MASK_ALL : \ - node_to_cpumask(pcibus_to_node(bus))) #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ CPU_MASK_ALL_PTR : \ cpumask_of_node(pcibus_to_node(bus))) diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h index 65197086a1c5..61d6ad93d786 100644 --- a/arch/sh/include/asm/unistd_32.h +++ b/arch/sh/include/asm/unistd_32.h @@ -344,8 +344,9 @@ #define __NR_preadv 333 #define __NR_pwritev 334 #define __NR_rt_tgsigqueueinfo 335 +#define __NR_perf_counter_open 336 -#define NR_syscalls 336 +#define NR_syscalls 337 #ifdef __KERNEL__ diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h index 8014aea88ec3..a751699afda3 100644 --- a/arch/sh/include/asm/unistd_64.h +++ b/arch/sh/include/asm/unistd_64.h @@ -384,10 +384,11 @@ #define __NR_preadv 361 #define __NR_pwritev 362 #define __NR_rt_tgsigqueueinfo 363 +#define __NR_perf_counter_open 364 #ifdef __KERNEL__ -#define NR_syscalls 364 +#define NR_syscalls 365 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR diff --git a/arch/sh/kernel/cpu/sh4a/smp-shx3.c b/arch/sh/kernel/cpu/sh4a/smp-shx3.c index b8869aa20dec..2b6b0d50c576 100644 --- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c +++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c @@ -35,8 +35,7 @@ void __init plat_smp_setup(void) unsigned int cpu = 0; int i, num; - cpus_clear(cpu_possible_map); - cpu_set(cpu, cpu_possible_map); + init_cpu_possible(cpumask_of(cpu)); __cpu_number_map[0] = 0; __cpu_logical_map[0] = 0; @@ -46,7 +45,7 @@ void __init plat_smp_setup(void) * for the total number of cores. */ for (i = 1, num = 0; i < NR_CPUS; i++) { - cpu_set(i, cpu_possible_map); + set_cpu_possible(i, true); __cpu_number_map[i] = ++num; __cpu_logical_map[num] = i; } diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c index 4c3247477aa3..066f37dc32a9 100644 --- a/arch/sh/kernel/ftrace.c +++ b/arch/sh/kernel/ftrace.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2008 Matt Fleming <mjf@gentoo.org> + * Copyright (C) 2008 Matt Fleming <matt@console-pimps.org> * Copyright (C) 2008 Paul Mundt <lethal@linux-sh.org> * * Code for replacing ftrace calls with jumps. @@ -19,30 +19,37 @@ #include <asm/ftrace.h> #include <asm/cacheflush.h> -static unsigned char ftrace_nop[] = { - 0x09, 0x00, /* nop */ - 0x09, 0x00, /* nop */ -}; - static unsigned char ftrace_replaced_code[MCOUNT_INSN_SIZE]; -unsigned char *ftrace_nop_replace(void) +static unsigned char ftrace_nop[4]; +/* + * If we're trying to nop out a call to a function, we instead + * place a call to the address after the memory table. + * + * 8c011060 <a>: + * 8c011060: 02 d1 mov.l 8c01106c <a+0xc>,r1 + * 8c011062: 22 4f sts.l pr,@-r15 + * 8c011064: 02 c7 mova 8c011070 <a+0x10>,r0 + * 8c011066: 2b 41 jmp @r1 + * 8c011068: 2a 40 lds r0,pr + * 8c01106a: 09 00 nop + * 8c01106c: 68 24 .word 0x2468 <--- ip + * 8c01106e: 1d 8c .word 0x8c1d + * 8c011070: 26 4f lds.l @r15+,pr <--- ip + MCOUNT_INSN_SIZE + * + * We write 0x8c011070 to 0x8c01106c so that on entry to a() we branch + * past the _mcount call and continue executing code like normal. + */ +static unsigned char *ftrace_nop_replace(unsigned long ip) { + __raw_writel(ip + MCOUNT_INSN_SIZE, ftrace_nop); return ftrace_nop; } -static int is_sh_nop(unsigned char *ip) -{ - return strncmp(ip, ftrace_nop, sizeof(ftrace_nop)); -} - -unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr) +static unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr) { /* Place the address in the memory table. */ - if (addr == CALLER_ADDR) - __raw_writel(addr + MCOUNT_INSN_OFFSET, ftrace_replaced_code); - else - __raw_writel(addr, ftrace_replaced_code); + __raw_writel(addr, ftrace_replaced_code); /* * No locking needed, this must be called via kstop_machine @@ -51,7 +58,7 @@ unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr) return ftrace_replaced_code; } -int ftrace_modify_code(unsigned long ip, unsigned char *old_code, +static int ftrace_modify_code(unsigned long ip, unsigned char *old_code, unsigned char *new_code) { unsigned char replaced[MCOUNT_INSN_SIZE]; @@ -66,13 +73,6 @@ int ftrace_modify_code(unsigned long ip, unsigned char *old_code, * kstop_machine, or before SMP starts. */ - /* - * If we're trying to nop out a call to a function, we instead - * place a call to the address after the memory table. - */ - if (is_sh_nop(new_code) == 0) - __raw_writel(ip + MCOUNT_INSN_SIZE, (unsigned long)new_code); - /* read the text we want to modify */ if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE)) return -EFAULT; @@ -92,13 +92,13 @@ int ftrace_modify_code(unsigned long ip, unsigned char *old_code, int ftrace_update_ftrace_func(ftrace_func_t func) { - unsigned long ip = (unsigned long)(&ftrace_call); + unsigned long ip = (unsigned long)(&ftrace_call) + MCOUNT_INSN_OFFSET; unsigned char old[MCOUNT_INSN_SIZE], *new; - memcpy(old, (unsigned char *)(ip + MCOUNT_INSN_OFFSET), MCOUNT_INSN_SIZE); + memcpy(old, (unsigned char *)ip, MCOUNT_INSN_SIZE); new = ftrace_call_replace(ip, (unsigned long)func); - return ftrace_modify_code(ip + MCOUNT_INSN_OFFSET, old, new); + return ftrace_modify_code(ip, old, new); } int ftrace_make_nop(struct module *mod, @@ -108,7 +108,7 @@ int ftrace_make_nop(struct module *mod, unsigned long ip = rec->ip; old = ftrace_call_replace(ip, addr); - new = ftrace_nop_replace(); + new = ftrace_nop_replace(ip); return ftrace_modify_code(rec->ip, old, new); } @@ -118,7 +118,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) unsigned char *new, *old; unsigned long ip = rec->ip; - old = ftrace_nop_replace(); + old = ftrace_nop_replace(ip); new = ftrace_call_replace(ip, addr); return ftrace_modify_code(rec->ip, old, new); diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index 8f4027412614..442d8d47a41e 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -47,7 +47,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) plat_prepare_cpus(max_cpus); #ifndef CONFIG_HOTPLUG_CPU - cpu_present_map = cpu_possible_map; + init_cpu_present(&cpu_possible_map); #endif } @@ -58,8 +58,8 @@ void __devinit smp_prepare_boot_cpu(void) __cpu_number_map[0] = cpu; __cpu_logical_map[0] = cpu; - cpu_set(cpu, cpu_online_map); - cpu_set(cpu, cpu_possible_map); + set_cpu_online(cpu, true); + set_cpu_possible(cpu, true); } asmlinkage void __cpuinit start_secondary(void) @@ -171,11 +171,11 @@ void smp_send_stop(void) smp_call_function(stop_this_cpu, 0, 0); } -void arch_send_call_function_ipi(cpumask_t mask) +void arch_send_call_function_ipi_mask(const struct cpumask *mask) { int cpu; - for_each_cpu_mask(cpu, mask) + for_each_cpu(cpu, mask) plat_send_ipi(cpu, SMP_MSG_FUNCTION); } diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S index a9fff9f731ec..f9e21fa2f592 100644 --- a/arch/sh/kernel/syscalls_32.S +++ b/arch/sh/kernel/syscalls_32.S @@ -352,3 +352,4 @@ ENTRY(sys_call_table) .long sys_preadv .long sys_pwritev .long sys_rt_tgsigqueueinfo /* 335 */ + .long sys_perf_counter_open diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S index 75c1889af1ed..bf420b616ae0 100644 --- a/arch/sh/kernel/syscalls_64.S +++ b/arch/sh/kernel/syscalls_64.S @@ -390,3 +390,4 @@ sys_call_table: .long sys_preadv .long sys_pwritev .long sys_rt_tgsigqueueinfo + .long sys_perf_counter_open diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c index 2edde32c764b..9b352a1e3fb4 100644 --- a/arch/sh/kernel/time.c +++ b/arch/sh/kernel/time.c @@ -91,21 +91,6 @@ module_init(rtc_generic_init); void (*board_time_init)(void); -unsigned long long sched_clock(void) -{ - return (jiffies_64 - INITIAL_JIFFIES) * (NSEC_PER_SEC / HZ); -} - -static void __init sh_late_time_init(void) -{ - /* - * Make sure all compiled-in early timers register themselves. - * Run probe() for one "earlytimer" device. - */ - early_platform_driver_register_all("earlytimer"); - early_platform_driver_probe("earlytimer", 1, 0); -} - void __init time_init(void) { if (board_time_init) @@ -121,5 +106,15 @@ void __init time_init(void) local_timer_setup(smp_processor_id()); #endif - late_time_init = sh_late_time_init; + /* + * Make sure all compiled-in early timers register themselves. + * + * Run probe() for two "earlytimer" devices, these will be the + * clockevents and clocksource devices respectively. In the event + * that only a clockevents device is available, we -ENODEV on the + * clocksource and the jiffies clocksource is used transparently + * instead. No error handling is necessary here. + */ + early_platform_driver_register_all("earlytimer"); + early_platform_driver_probe("earlytimer", 2, 0); } |