diff options
Diffstat (limited to 'arch')
35 files changed, 191 insertions, 124 deletions
diff --git a/arch/alpha/kernel/alpha_ksyms.c b/arch/alpha/kernel/alpha_ksyms.c index c645c5e1478..2b245ad731e 100644 --- a/arch/alpha/kernel/alpha_ksyms.c +++ b/arch/alpha/kernel/alpha_ksyms.c @@ -182,7 +182,6 @@ EXPORT_SYMBOL(smp_num_cpus); EXPORT_SYMBOL(smp_call_function); EXPORT_SYMBOL(smp_call_function_on_cpu); EXPORT_SYMBOL(_atomic_dec_and_lock); -EXPORT_SYMBOL(cpu_present_mask); #endif /* CONFIG_SMP */ /* diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index 9924fd07743..c760a831fd1 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -94,7 +94,7 @@ common_shutdown_1(void *generic_ptr) if (cpuid != boot_cpuid) { flags |= 0x00040000UL; /* "remain halted" */ *pflags = flags; - clear_bit(cpuid, &cpu_present_mask); + cpu_clear(cpuid, cpu_present_map); halt(); } #endif @@ -120,8 +120,8 @@ common_shutdown_1(void *generic_ptr) #ifdef CONFIG_SMP /* Wait for the secondaries to halt. */ - cpu_clear(boot_cpuid, cpu_possible_map); - while (cpus_weight(cpu_possible_map)) + cpu_clear(boot_cpuid, cpu_present_map); + while (cpus_weight(cpu_present_map)) barrier(); #endif diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 185255416e8..4dc273e537f 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -68,7 +68,6 @@ enum ipi_message_type { static int smp_secondary_alive __initdata = 0; /* Which cpus ids came online. */ -cpumask_t cpu_present_mask; cpumask_t cpu_online_map; EXPORT_SYMBOL(cpu_online_map); @@ -439,7 +438,7 @@ setup_smp(void) if ((cpu->flags & 0x1cc) == 0x1cc) { smp_num_probed++; /* Assume here that "whami" == index */ - cpu_set(i, cpu_present_mask); + cpu_set(i, cpu_present_map); cpu->pal_revision = boot_cpu_palrev; } @@ -450,11 +449,10 @@ setup_smp(void) } } else { smp_num_probed = 1; - cpu_set(boot_cpuid, cpu_present_mask); } - printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_mask = %lx\n", - smp_num_probed, cpu_possible_map.bits[0]); + printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_map = %lx\n", + smp_num_probed, cpu_present_map.bits[0]); } /* @@ -473,7 +471,7 @@ smp_prepare_cpus(unsigned int max_cpus) /* Nothing to do on a UP box, or when told not to. */ if (smp_num_probed == 1 || max_cpus == 0) { - cpu_present_mask = cpumask_of_cpu(boot_cpuid); + cpu_present_map = cpumask_of_cpu(boot_cpuid); printk(KERN_INFO "SMP mode deactivated.\n"); return; } @@ -486,10 +484,6 @@ smp_prepare_cpus(unsigned int max_cpus) void __devinit smp_prepare_boot_cpu(void) { - /* - * Mark the boot cpu (current cpu) as online - */ - cpu_set(smp_processor_id(), cpu_online_map); } int __devinit diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c index 5f84417eeb7..2551fb49ae0 100644 --- a/arch/alpha/kernel/sys_titan.c +++ b/arch/alpha/kernel/sys_titan.c @@ -66,7 +66,7 @@ titan_update_irq_hw(unsigned long mask) register int bcpu = boot_cpuid; #ifdef CONFIG_SMP - cpumask_t cpm = cpu_present_mask; + cpumask_t cpm = cpu_present_map; volatile unsigned long *dim0, *dim1, *dim2, *dim3; unsigned long mask0, mask1, mask2, mask3, dummy; diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c index 9c171afd9a5..ae7d8c57bf3 100644 --- a/arch/mips/au1000/common/prom.c +++ b/arch/mips/au1000/common/prom.c @@ -1,10 +1,9 @@ /* * * BRIEF MODULE DESCRIPTION - * PROM library initialisation code, assuming a version of - * pmon is the boot code. + * PROM library initialisation code, assuming YAMON is the boot loader. * - * Copyright 2000,2001 MontaVista Software Inc. + * Copyright 2000, 2001, 2006 MontaVista Software Inc. * Author: MontaVista Software, Inc. * ppopov@mvista.com or source@mvista.com * @@ -49,9 +48,9 @@ extern char **prom_argv, **prom_envp; typedef struct { - char *name; -/* char *val; */ -}t_env_var; + char *name; + char *val; +} t_env_var; char * prom_getcmdline(void) @@ -85,21 +84,16 @@ char *prom_getenv(char *envname) { /* * Return a pointer to the given environment variable. - * Environment variables are stored in the form of "memsize=64". */ t_env_var *env = (t_env_var *)prom_envp; - int i; - - i = strlen(envname); - while(env->name) { - if(strncmp(envname, env->name, i) == 0) { - return(env->name + strlen(envname) + 1); - } + while (env->name) { + if (strcmp(envname, env->name) == 0) + return env->val; env++; } - return(NULL); + return NULL; } inline unsigned char str2hexnum(unsigned char c) diff --git a/arch/mips/au1000/common/sleeper.S b/arch/mips/au1000/common/sleeper.S index 44dac3b0df3..683d9da84b6 100644 --- a/arch/mips/au1000/common/sleeper.S +++ b/arch/mips/au1000/common/sleeper.S @@ -112,6 +112,11 @@ sdsleep: mtc0 k0, CP0_PAGEMASK lw k0, 0x14(sp) mtc0 k0, CP0_CONFIG + + /* We need to catch the ealry Alchemy SOCs with + * the write-only Config[OD] bit and set it back to one... + */ + jal au1x00_fixup_config_od lw $1, PT_R1(sp) lw $2, PT_R2(sp) lw $3, PT_R3(sp) diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c index 47a087b6c11..d268827c62b 100644 --- a/arch/mips/kernel/cpu-bugs64.c +++ b/arch/mips/kernel/cpu-bugs64.c @@ -206,7 +206,7 @@ static inline void check_daddi(void) "daddi %0, %1, %3\n\t" ".set pop" : "=r" (v), "=&r" (tmp) - : "I" (0xffffffffffffdb9a), "I" (0x1234)); + : "I" (0xffffffffffffdb9aUL), "I" (0x1234)); set_except_vector(12, handler); local_irq_restore(flags); @@ -224,7 +224,7 @@ static inline void check_daddi(void) "dsrl %1, %1, 1\n\t" "daddi %0, %1, %3" : "=r" (v), "=&r" (tmp) - : "I" (0xffffffffffffdb9a), "I" (0x1234)); + : "I" (0xffffffffffffdb9aUL), "I" (0x1234)); set_except_vector(12, handler); local_irq_restore(flags); @@ -280,7 +280,7 @@ static inline void check_daddiu(void) "daddu %1, %2\n\t" ".set pop" : "=&r" (v), "=&r" (w), "=&r" (tmp) - : "I" (0xffffffffffffdb9a), "I" (0x1234)); + : "I" (0xffffffffffffdb9aUL), "I" (0x1234)); if (v == w) { printk("no.\n"); @@ -296,7 +296,7 @@ static inline void check_daddiu(void) "addiu %1, $0, %4\n\t" "daddu %1, %2" : "=&r" (v), "=&r" (w), "=&r" (tmp) - : "I" (0xffffffffffffdb9a), "I" (0x1234)); + : "I" (0xffffffffffffdb9aUL), "I" (0x1234)); if (v == w) { printk("yes.\n"); diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index bef3e2dc7c5..8c2c359a05f 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -655,7 +655,7 @@ static inline void cpu_probe_sibyte(struct cpuinfo_mips *c) case PRID_IMP_SB1: c->cputype = CPU_SB1; /* FPU in pass1 is known to have issues. */ - if ((c->processor_id & 0xff) < 0x20) + if ((c->processor_id & 0xff) < 0x02) c->options &= ~(MIPS_CPU_FPU | MIPS_CPU_32FPR); break; case PRID_IMP_SB1A: diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c index e54a7f442f8..d7bf0215bc1 100644 --- a/arch/mips/kernel/module.c +++ b/arch/mips/kernel/module.c @@ -288,6 +288,9 @@ int apply_relocate(Elf_Shdr *sechdrs, const char *strtab, sym = (Elf_Sym *)sechdrs[symindex].sh_addr + ELF_MIPS_R_SYM(rel[i]); if (!sym->st_value) { + /* Ignore unresolved weak symbol */ + if (ELF_ST_BIND(sym->st_info) == STB_WEAK) + continue; printk(KERN_WARNING "%s: Unknown symbol %s\n", me->name, strtab + sym->st_name); return -ENOENT; @@ -325,6 +328,9 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, sym = (Elf_Sym *)sechdrs[symindex].sh_addr + ELF_MIPS_R_SYM(rel[i]); if (!sym->st_value) { + /* Ignore unresolved weak symbol */ + if (ELF_ST_BIND(sym->st_info) == STB_WEAK) + continue; printk(KERN_WARNING "%s: Unknown symbol %s\n", me->name, strtab + sym->st_name); return -ENOENT; diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index b53a9207f53..8efb23a8413 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -209,7 +209,7 @@ sys_call_table: PTR sys_fork PTR sys_read PTR sys_write - PTR sys_open /* 4005 */ + PTR compat_sys_open /* 4005 */ PTR sys_close PTR sys_waitpid PTR sys_creat diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index bcf1b10e518..397a70e651b 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -246,7 +246,7 @@ static inline int parse_rd_cmdline(unsigned long* rd_start, unsigned long* rd_en #ifdef CONFIG_64BIT /* HACK: Guess if the sign extension was forgotten */ if (start > 0x0000000080000000 && start < 0x00000000ffffffff) - start |= 0xffffffff00000000; + start |= 0xffffffff00000000UL; #endif end = start + size; @@ -355,8 +355,6 @@ static inline void bootmem_init(void) } #endif - memory_present(0, first_usable_pfn, max_low_pfn); - /* Initialize the boot-time allocator with low memory only. */ bootmap_size = init_bootmem(first_usable_pfn, max_low_pfn); @@ -410,6 +408,7 @@ static inline void bootmem_init(void) /* Register lowmem ranges */ free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(size)); + memory_present(0, curr_pfn, curr_pfn + size - 1); } /* Reserve the bootmap memory. */ @@ -419,17 +418,20 @@ static inline void bootmem_init(void) #ifdef CONFIG_BLK_DEV_INITRD initrd_below_start_ok = 1; if (initrd_start) { - unsigned long initrd_size = ((unsigned char *)initrd_end) - ((unsigned char *)initrd_start); + unsigned long initrd_size = ((unsigned char *)initrd_end) - + ((unsigned char *)initrd_start); + const int width = sizeof(long) * 2; + printk("Initial ramdisk at: 0x%p (%lu bytes)\n", (void *)initrd_start, initrd_size); if (CPHYSADDR(initrd_end) > PFN_PHYS(max_low_pfn)) { printk("initrd extends beyond end of memory " "(0x%0*Lx > 0x%0*Lx)\ndisabling initrd\n", - sizeof(long) * 2, - (unsigned long long)CPHYSADDR(initrd_end), - sizeof(long) * 2, - (unsigned long long)PFN_PHYS(max_low_pfn)); + width, + (unsigned long long) CPHYSADDR(initrd_end), + width, + (unsigned long long) PFN_PHYS(max_low_pfn)); initrd_start = initrd_end = 0; initrd_reserve_bootmem = 0; } diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index d42f358754a..298f82fe844 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -247,6 +247,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus) current_thread_info()->cpu = 0; smp_tune_scheduling(); plat_prepare_cpus(max_cpus); +#ifndef CONFIG_HOTPLUG_CPU + cpu_present_map = cpu_possible_map; +#endif } /* preload SMP state for boot cpu */ @@ -442,7 +445,7 @@ static int __init topology_init(void) int cpu; int ret; - for_each_cpu(cpu) { + for_each_present_cpu(cpu) { ret = register_cpu(&per_cpu(cpu_devices, cpu), cpu, NULL); if (ret) printk(KERN_WARNING "topology_init: register_cpu %d " diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 8f4fdd94dbd..5e8a18a8e2b 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -276,8 +276,7 @@ void sys_set_thread_area(unsigned long addr) asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) { - int tmp, len; - char __user *name; + int tmp; switch(cmd) { case MIPS_ATOMIC_SET: diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 35cb08da382..a7564b08eb4 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -819,15 +819,30 @@ asmlinkage void do_watch(struct pt_regs *regs) asmlinkage void do_mcheck(struct pt_regs *regs) { + const int field = 2 * sizeof(unsigned long); + int multi_match = regs->cp0_status & ST0_TS; + show_regs(regs); - dump_tlb_all(); + + if (multi_match) { + printk("Index : %0x\n", read_c0_index()); + printk("Pagemask: %0x\n", read_c0_pagemask()); + printk("EntryHi : %0*lx\n", field, read_c0_entryhi()); + printk("EntryLo0: %0*lx\n", field, read_c0_entrylo0()); + printk("EntryLo1: %0*lx\n", field, read_c0_entrylo1()); + printk("\n"); + dump_tlb_all(); + } + + show_code((unsigned int *) regs->cp0_epc); + /* * Some chips may have other causes of machine check (e.g. SB1 * graduation timer) */ panic("Caught Machine Check exception - %scaused by multiple " "matching entries in the TLB.", - (regs->cp0_status & ST0_TS) ? "" : "not "); + (multi_match) ? "" : "not "); } asmlinkage void do_mt(struct pt_regs *regs) diff --git a/arch/mips/math-emu/dp_fint.c b/arch/mips/math-emu/dp_fint.c index a1962eb460f..39a71de16f4 100644 --- a/arch/mips/math-emu/dp_fint.c +++ b/arch/mips/math-emu/dp_fint.c @@ -29,7 +29,9 @@ ieee754dp ieee754dp_fint(int x) { - COMPXDP; + u64 xm; + int xe; + int xs; CLEARCX; diff --git a/arch/mips/math-emu/dp_flong.c b/arch/mips/math-emu/dp_flong.c index eae90a866aa..f08f223e488 100644 --- a/arch/mips/math-emu/dp_flong.c +++ b/arch/mips/math-emu/dp_flong.c @@ -29,7 +29,9 @@ ieee754dp ieee754dp_flong(s64 x) { - COMPXDP; + u64 xm; + int xe; + int xs; CLEARCX; diff --git a/arch/mips/math-emu/sp_fint.c b/arch/mips/math-emu/sp_fint.c index 7aac13afb09..e88e125e01c 100644 --- a/arch/mips/math-emu/sp_fint.c +++ b/arch/mips/math-emu/sp_fint.c @@ -29,7 +29,9 @@ ieee754sp ieee754sp_fint(int x) { - COMPXSP; + unsigned xm; + int xe; + int xs; CLEARCX; diff --git a/arch/mips/math-emu/sp_flong.c b/arch/mips/math-emu/sp_flong.c index 3d6c1d11c17..26d6919a269 100644 --- a/arch/mips/math-emu/sp_flong.c +++ b/arch/mips/math-emu/sp_flong.c @@ -29,7 +29,9 @@ ieee754sp ieee754sp_flong(s64 x) { - COMPXDP; /* <--- need 64-bit mantissa temp */ + u64 xm; /* <--- need 64-bit mantissa temp */ + int xe; + int xs; CLEARCX; diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 6b354176960..4a43924cd4f 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1161,6 +1161,31 @@ static void __init setup_scache(void) c->options |= MIPS_CPU_SUBSET_CACHES; } +void au1x00_fixup_config_od(void) +{ + /* + * c0_config.od (bit 19) was write only (and read as 0) + * on the early revisions of Alchemy SOCs. It disables the bus + * transaction overlapping and needs to be set to fix various errata. + */ + switch (read_c0_prid()) { + case 0x00030100: /* Au1000 DA */ + case 0x00030201: /* Au1000 HA */ + case 0x00030202: /* Au1000 HB */ + case 0x01030200: /* Au1500 AB */ + /* + * Au1100 errata actually keeps silence about this bit, so we set it + * just in case for those revisions that require it to be set according + * to arch/mips/au1000/common/cputable.c + */ + case 0x02030200: /* Au1100 AB */ + case 0x02030201: /* Au1100 BA */ + case 0x02030202: /* Au1100 BC */ + set_c0_config(1 << 19); + break; + } +} + static inline void coherency_setup(void) { change_c0_config(CONF_CM_CMASK, CONF_CM_DEFAULT); @@ -1181,6 +1206,15 @@ static inline void coherency_setup(void) case CPU_R4400MC: clear_c0_config(CONF_CU); break; + /* + * We need to catch the ealry Alchemy SOCs with + * the write-only co_config.od bit and set it back to one... + */ + case CPU_AU1000: /* rev. DA, HA, HB */ + case CPU_AU1100: /* rev. AB, BA, BC ?? */ + case CPU_AU1500: /* rev. AB */ + au1x00_fixup_config_od(); + break; } } diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index c22308b93ff..33f6e1cdfd5 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -227,7 +227,7 @@ void __init mem_init(void) for (tmp = 0; tmp < max_low_pfn; tmp++) if (page_is_ram(tmp)) { ram++; - if (PageReserved(mem_map+tmp)) + if (PageReserved(pfn_to_page(tmp))) reservedpages++; } diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c index 91b799d2cd8..c31e4cff64e 100644 --- a/arch/mips/oprofile/common.c +++ b/arch/mips/oprofile/common.c @@ -14,8 +14,8 @@ #include "op_impl.h" -extern struct op_mips_model op_model_mipsxx __attribute__((weak)); -extern struct op_mips_model op_model_rm9000 __attribute__((weak)); +extern struct op_mips_model op_model_mipsxx_ops __attribute__((weak)); +extern struct op_mips_model op_model_rm9000_ops __attribute__((weak)); static struct op_mips_model *model; @@ -83,11 +83,11 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) case CPU_74K: case CPU_SB1: case CPU_SB1A: - lmodel = &op_model_mipsxx; + lmodel = &op_model_mipsxx_ops; break; case CPU_RM9000: - lmodel = &op_model_rm9000; + lmodel = &op_model_rm9000_ops; break; }; diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index e7ce9239130..f26a00e1320 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -23,7 +23,7 @@ #define M_COUNTER_OVERFLOW (1UL << 31) -struct op_mips_model op_model_mipsxx; +struct op_mips_model op_model_mipsxx_ops; static struct mipsxx_register_config { unsigned int control[4]; @@ -34,7 +34,7 @@ static struct mipsxx_register_config { static void mipsxx_reg_setup(struct op_counter_config *ctr) { - unsigned int counters = op_model_mipsxx.num_counters; + unsigned int counters = op_model_mipsxx_ops.num_counters; int i; /* Compute the performance counter control word. */ @@ -62,7 +62,7 @@ static void mipsxx_reg_setup(struct op_counter_config *ctr) static void mipsxx_cpu_setup (void *args) { - unsigned int counters = op_model_mipsxx.num_counters; + unsigned int counters = op_model_mipsxx_ops.num_counters; switch (counters) { case 4: @@ -83,7 +83,7 @@ static void mipsxx_cpu_setup (void *args) /* Start all counters on current CPU */ static void mipsxx_cpu_start(void *args) { - unsigned int counters = op_model_mipsxx.num_counters; + unsigned int counters = op_model_mipsxx_ops.num_counters; switch (counters) { case 4: @@ -100,7 +100,7 @@ static void mipsxx_cpu_start(void *args) /* Stop all counters on current CPU */ static void mipsxx_cpu_stop(void *args) { - unsigned int counters = op_model_mipsxx.num_counters; + unsigned int counters = op_model_mipsxx_ops.num_counters; switch (counters) { case 4: @@ -116,7 +116,7 @@ static void mipsxx_cpu_stop(void *args) static int mipsxx_perfcount_handler(struct pt_regs *regs) { - unsigned int counters = op_model_mipsxx.num_counters; + unsigned int counters = op_model_mipsxx_ops.num_counters; unsigned int control; unsigned int counter; int handled = 0; @@ -187,37 +187,37 @@ static int __init mipsxx_init(void) reset_counters(counters); - op_model_mipsxx.num_counters = counters; + op_model_mipsxx_ops.num_counters = counters; switch (current_cpu_data.cputype) { case CPU_20KC: - op_model_mipsxx.cpu_type = "mips/20K"; + op_model_mipsxx_ops.cpu_type = "mips/20K"; break; case CPU_24K: - op_model_mipsxx.cpu_type = "mips/24K"; + op_model_mipsxx_ops.cpu_type = "mips/24K"; break; case CPU_25KF: - op_model_mipsxx.cpu_type = "mips/25K"; + op_model_mipsxx_ops.cpu_type = "mips/25K"; break; #ifndef CONFIG_SMP case CPU_34K: - op_model_mipsxx.cpu_type = "mips/34K"; + op_model_mipsxx_ops.cpu_type = "mips/34K"; break; case CPU_74K: - op_model_mipsxx.cpu_type = "mips/74K"; + op_model_mipsxx_ops.cpu_type = "mips/74K"; break; #endif case CPU_5KC: - op_model_mipsxx.cpu_type = "mips/5K"; + op_model_mipsxx_ops.cpu_type = "mips/5K"; break; case CPU_SB1: case CPU_SB1A: - op_model_mipsxx.cpu_type = "mips/sb1"; + op_model_mipsxx_ops.cpu_type = "mips/sb1"; break; default: @@ -233,12 +233,12 @@ static int __init mipsxx_init(void) static void mipsxx_exit(void) { - reset_counters(op_model_mipsxx.num_counters); + reset_counters(op_model_mipsxx_ops.num_counters); perf_irq = null_perf_irq; } -struct op_mips_model op_model_mipsxx = { +struct op_mips_model op_model_mipsxx_ops = { .reg_setup = mipsxx_reg_setup, .cpu_setup = mipsxx_cpu_setup, .init = mipsxx_init, diff --git a/arch/mips/oprofile/op_model_rm9000.c b/arch/mips/oprofile/op_model_rm9000.c index 9b75e41c78e..b7063fefa65 100644 --- a/arch/mips/oprofile/op_model_rm9000.c +++ b/arch/mips/oprofile/op_model_rm9000.c @@ -126,7 +126,7 @@ static void rm9000_exit(void) free_irq(rm9000_perfcount_irq, NULL); } -struct op_mips_model op_model_rm9000 = { +struct op_mips_model op_model_rm9000_ops = { .reg_setup = rm9000_reg_setup, .cpu_setup = rm9000_cpu_setup, .init = rm9000_init, diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c index de01c9815bd..8ba08047d16 100644 --- a/arch/mips/sgi-ip32/ip32-irq.c +++ b/arch/mips/sgi-ip32/ip32-irq.c @@ -31,12 +31,12 @@ /* issue a PIO read to make sure no PIO writes are pending */ static void inline flush_crime_bus(void) { - volatile unsigned long junk = crime->control; + crime->control; } static void inline flush_mace_bus(void) { - volatile unsigned long junk = mace->perif.ctrl.misc; + mace->perif.ctrl.misc; } #undef DEBUG_IRQ diff --git a/arch/powerpc/platforms/powermac/pfunc_core.c b/arch/powerpc/platforms/powermac/pfunc_core.c index 4baa75b1d36..f08173b0f06 100644 --- a/arch/powerpc/platforms/powermac/pfunc_core.c +++ b/arch/powerpc/platforms/powermac/pfunc_core.c @@ -11,6 +11,7 @@ #include <linux/kernel.h> #include <linux/spinlock.h> #include <linux/module.h> +#include <linux/mutex.h> #include <asm/semaphore.h> #include <asm/prom.h> @@ -546,6 +547,7 @@ struct pmf_device { static LIST_HEAD(pmf_devices); static spinlock_t pmf_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_MUTEX(pmf_irq_mutex); static void pmf_release_device(struct kref *kref) { @@ -864,15 +866,17 @@ int pmf_register_irq_client(struct device_node *target, spin_lock_irqsave(&pmf_lock, flags); func = __pmf_find_function(target, name, PMF_FLAGS_INT_GEN); - if (func == NULL) { - spin_unlock_irqrestore(&pmf_lock, flags); + if (func) + func = pmf_get_function(func); + spin_unlock_irqrestore(&pmf_lock, flags); + if (func == NULL) return -ENODEV; - } + mutex_lock(&pmf_irq_mutex); if (list_empty(&func->irq_clients)) func->dev->handlers->irq_enable(func); list_add(&client->link, &func->irq_clients); client->func = func; - spin_unlock_irqrestore(&pmf_lock, flags); + mutex_unlock(&pmf_irq_mutex); return 0; } @@ -881,16 +885,16 @@ EXPORT_SYMBOL_GPL(pmf_register_irq_client); void pmf_unregister_irq_client(struct pmf_irq_client *client) { struct pmf_function *func = client->func; - unsigned long flags; BUG_ON(func == NULL); - spin_lock_irqsave(&pmf_lock, flags); + mutex_lock(&pmf_irq_mutex); client->func = NULL; list_del(&client->link); if (list_empty(&func->irq_clients)) func->dev->handlers->irq_disable(func); - spin_unlock_irqrestore(&pmf_lock, flags); + mutex_unlock(&pmf_irq_mutex); + pmf_put_function(func); } EXPORT_SYMBOL_GPL(pmf_unregister_irq_client); diff --git a/arch/sparc64/lib/checksum.S b/arch/sparc64/lib/checksum.S index ba9cd3ccc2b..1d230f693dc 100644 --- a/arch/sparc64/lib/checksum.S +++ b/arch/sparc64/lib/checksum.S @@ -165,8 +165,9 @@ csum_partial_end_cruft: sll %g1, 8, %g1 or %o5, %g1, %o4 -1: add %o2, %o4, %o2 +1: addcc %o2, %o4, %o2 + addc %g0, %o2, %o2 csum_partial_finish: retl - mov %o2, %o0 + srl %o2, 0, %o0 diff --git a/arch/sparc64/lib/csum_copy.S b/arch/sparc64/lib/csum_copy.S index 71af4883906..e566c770a0f 100644 --- a/arch/sparc64/lib/csum_copy.S +++ b/arch/sparc64/lib/csum_copy.S @@ -221,11 +221,12 @@ FUNC_NAME: /* %o0=src, %o1=dst, %o2=len, %o3=sum */ sll %g1, 8, %g1 or %o5, %g1, %o4 -1: add %o3, %o4, %o3 +1: addcc %o3, %o4, %o3 + addc %g0, %o3, %o3 70: retl - mov %o3, %o0 + srl %o3, 0, %o0 95: mov 0, GLOBAL_SPARE brlez,pn %o2, 4f diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386 index 7a0e04e34bf..b65ca115ef7 100644 --- a/arch/um/Makefile-i386 +++ b/arch/um/Makefile-i386 @@ -33,5 +33,9 @@ include $(srctree)/arch/i386/Makefile.cpu # prevent gcc from keeping the stack 16 byte aligned. Taken from i386. cflags-y += $(call cc-option,-mpreferred-stack-boundary=2) +# Prevent sprintf in nfsd from being converted to strcpy and resulting in +# an unresolved reference. +cflags-y += -ffreestanding + CFLAGS += $(cflags-y) USER_CFLAGS += $(cflags-y) diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h index efa3d33c0be..310980b3217 100644 --- a/arch/um/include/kern_util.h +++ b/arch/um/include/kern_util.h @@ -120,20 +120,11 @@ extern int is_syscall(unsigned long addr); extern void free_irq(unsigned int, void *); extern int cpu(void); +extern void time_init_kern(void); + /* Are we disallowed to sleep? Used to choose between GFP_KERNEL and GFP_ATOMIC. */ extern int __cant_sleep(void); extern void segv_handler(int sig, union uml_pt_regs *regs); extern void sigio_handler(int sig, union uml_pt_regs *regs); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/time_kern.c b/arch/um/kernel/time_kern.c index 528cf623f8b..86f51d04c98 100644 --- a/arch/um/kernel/time_kern.c +++ b/arch/um/kernel/time_kern.c @@ -84,6 +84,16 @@ void timer_irq(union uml_pt_regs *regs) } } + +void time_init_kern(void) +{ + unsigned long long nsecs; + + nsecs = os_nsecs(); + set_normalized_timespec(&wall_to_monotonic, -nsecs / BILLION, + -nsecs % BILLION); +} + void do_boot_timer_handler(struct sigcontext * sc) { struct pt_regs regs; diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c index 3a0ac38e978..90912aaca7a 100644 --- a/arch/um/os-Linux/main.c +++ b/arch/um/os-Linux/main.c @@ -59,7 +59,7 @@ static __init void do_uml_initcalls(void) initcall_t *call; call = &__uml_initcall_start; - while (call < &__uml_initcall_end){; + while (call < &__uml_initcall_end){ (*call)(); call++; } diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c index 6f7626775ac..280c4fb9b58 100644 --- a/arch/um/os-Linux/time.c +++ b/arch/um/os-Linux/time.c @@ -81,20 +81,12 @@ void uml_idle_timer(void) set_interval(ITIMER_REAL); } -extern void ktime_get_ts(struct timespec *ts); -#define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts) - void time_init(void) { - struct timespec now; - if(signal(SIGVTALRM, boot_timer_handler) == SIG_ERR) panic("Couldn't set SIGVTALRM handler"); set_interval(ITIMER_VIRTUAL); - - do_posix_clock_monotonic_gettime(&now); - wall_to_monotonic.tv_sec = -now.tv_sec; - wall_to_monotonic.tv_nsec = -now.tv_nsec; + time_init_kern(); } unsigned long long os_nsecs(void) diff --git a/arch/um/sys-i386/syscalls.c b/arch/um/sys-i386/syscalls.c index 749dd1bfe60..710d5fb807e 100644 --- a/arch/um/sys-i386/syscalls.c +++ b/arch/um/sys-i386/syscalls.c @@ -99,11 +99,12 @@ long sys_ipc (uint call, int first, int second, switch (call) { case SEMOP: - return sys_semtimedop(first, (struct sembuf *) ptr, second, - NULL); + return sys_semtimedop(first, (struct sembuf __user *) ptr, + second, NULL); case SEMTIMEDOP: - return sys_semtimedop(first, (struct sembuf *) ptr, second, - (const struct timespec *) fifth); + return sys_semtimedop(first, (struct sembuf __user *) ptr, + second, + (const struct timespec __user *) fifth); case SEMGET: return sys_semget (first, second, third); case SEMCTL: { diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c index a4c46a8af00..9edf114faf7 100644 --- a/arch/um/sys-x86_64/signal.c +++ b/arch/um/sys-x86_64/signal.c @@ -21,7 +21,7 @@ #include "skas.h" static int copy_sc_from_user_skas(struct pt_regs *regs, - struct sigcontext *from) + struct sigcontext __user *from) { int err = 0; @@ -54,7 +54,8 @@ static int copy_sc_from_user_skas(struct pt_regs *regs, return(err); } -int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp, +int copy_sc_to_user_skas(struct sigcontext __user *to, + struct _fpstate __user *to_fp, struct pt_regs *regs, unsigned long mask, unsigned long sp) { @@ -106,10 +107,11 @@ int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp, #endif #ifdef CONFIG_MODE_TT -int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext *from, +int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext __user *from, int fpsize) { - struct _fpstate *to_fp, *from_fp; + struct _fpstate *to_fp; + struct _fpstate __user *from_fp; unsigned long sigs; int err; @@ -124,13 +126,14 @@ int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext *from, return(err); } -int copy_sc_to_user_tt(struct sigcontext *to, struct _fpstate *fp, +int copy_sc_to_user_tt(struct sigcontext __user *to, struct _fpstate __user *fp, struct sigcontext *from, int fpsize, unsigned long sp) { - struct _fpstate *to_fp, *from_fp; + struct _fpstate __user *to_fp; + struct _fpstate *from_fp; int err; - to_fp = (fp ? fp : (struct _fpstate *) (to + 1)); + to_fp = (fp ? fp : (struct _fpstate __user *) (to + 1)); from_fp = from->fpstate; err = copy_to_user(to, from, sizeof(*to)); /* The SP in the sigcontext is the updated one for the signal @@ -158,7 +161,8 @@ static int copy_sc_from_user(struct pt_regs *to, void __user *from) return(ret); } -static int copy_sc_to_user(struct sigcontext *to, struct _fpstate *fp, +static int copy_sc_to_user(struct sigcontext __user *to, + struct _fpstate __user *fp, struct pt_regs *from, unsigned long mask, unsigned long sp) { @@ -169,7 +173,7 @@ static int copy_sc_to_user(struct sigcontext *to, struct _fpstate *fp, struct rt_sigframe { - char *pretcode; + char __user *pretcode; struct ucontext uc; struct siginfo info; }; @@ -188,7 +192,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig, frame = (struct rt_sigframe __user *) round_down(stack_top - sizeof(struct rt_sigframe), 16) - 8; - frame = (struct rt_sigframe *) ((unsigned long) frame - 128); + frame = (struct rt_sigframe __user *) ((unsigned long) frame - 128); if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate))) goto out; diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c index 6acee5c4ada..6fce9f45dfd 100644 --- a/arch/um/sys-x86_64/syscalls.c +++ b/arch/um/sys-x86_64/syscalls.c @@ -45,7 +45,7 @@ static long arch_prctl_tt(int code, unsigned long addr) case ARCH_GET_GS: ret = arch_prctl(code, (unsigned long) &tmp); if(!ret) - ret = put_user(tmp, &addr); + ret = put_user(tmp, (long __user *)addr); break; default: ret = -EINVAL; |