diff options
Diffstat (limited to 'arch/alpha/kernel')
| -rw-r--r-- | arch/alpha/kernel/core_marvel.c | 2 | ||||
| -rw-r--r-- | arch/alpha/kernel/core_titan.c | 2 | ||||
| -rw-r--r-- | arch/alpha/kernel/init_task.c | 5 | ||||
| -rw-r--r-- | arch/alpha/kernel/pci_impl.h | 2 | ||||
| -rw-r--r-- | arch/alpha/kernel/pci_iommu.c | 10 | ||||
| -rw-r--r-- | arch/alpha/kernel/process.c | 1 | ||||
| -rw-r--r-- | arch/alpha/kernel/smp.c | 14 | ||||
| -rw-r--r-- | arch/alpha/kernel/time.c | 79 | ||||
| -rw-r--r-- | arch/alpha/kernel/vmlinux.lds.S | 95 |
9 files changed, 32 insertions, 178 deletions
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c index e302daecbe5..8e059e58b0a 100644 --- a/arch/alpha/kernel/core_marvel.c +++ b/arch/alpha/kernel/core_marvel.c @@ -1016,7 +1016,7 @@ marvel_agp_bind_memory(alpha_agp_info *agp, off_t pg_start, struct agp_memory *m { struct marvel_agp_aperture *aper = agp->aperture.sysdata; return iommu_bind(aper->arena, aper->pg_start + pg_start, - mem->page_count, mem->memory); + mem->page_count, mem->pages); } static int diff --git a/arch/alpha/kernel/core_titan.c b/arch/alpha/kernel/core_titan.c index 319fcb74611..76686497b1e 100644 --- a/arch/alpha/kernel/core_titan.c +++ b/arch/alpha/kernel/core_titan.c @@ -680,7 +680,7 @@ titan_agp_bind_memory(alpha_agp_info *agp, off_t pg_start, struct agp_memory *me { struct titan_agp_aperture *aper = agp->aperture.sysdata; return iommu_bind(aper->arena, aper->pg_start + pg_start, - mem->page_count, mem->memory); + mem->page_count, mem->pages); } static int diff --git a/arch/alpha/kernel/init_task.c b/arch/alpha/kernel/init_task.c index 19b86328ffd..6f80ca4f976 100644 --- a/arch/alpha/kernel/init_task.c +++ b/arch/alpha/kernel/init_task.c @@ -13,6 +13,5 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); struct task_struct init_task = INIT_TASK(init_task); EXPORT_SYMBOL(init_task); -union thread_union init_thread_union - __attribute__((section(".data.init_thread"))) - = { INIT_THREAD_INFO(init_task) }; +union thread_union init_thread_union __init_task_data = + { INIT_THREAD_INFO(init_task) }; diff --git a/arch/alpha/kernel/pci_impl.h b/arch/alpha/kernel/pci_impl.h index 00edd04b585..85457b2d451 100644 --- a/arch/alpha/kernel/pci_impl.h +++ b/arch/alpha/kernel/pci_impl.h @@ -198,7 +198,7 @@ extern unsigned long size_for_memory(unsigned long max); extern int iommu_reserve(struct pci_iommu_arena *, long, long); extern int iommu_release(struct pci_iommu_arena *, long, long); -extern int iommu_bind(struct pci_iommu_arena *, long, long, unsigned long *); +extern int iommu_bind(struct pci_iommu_arena *, long, long, struct page **); extern int iommu_unbind(struct pci_iommu_arena *, long, long); diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index bfb880af959..8449504f5e0 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -268,11 +268,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size, assume it doesn't support sg mapping, and, since we tried to use direct_map above, it now must be considered an error. */ if (! alpha_mv.mv_pci_tbi) { - static int been_here = 0; /* Only print the message once. */ - if (!been_here) { - printk(KERN_WARNING "pci_map_single: no HW sg\n"); - been_here = 1; - } + printk_once(KERN_WARNING "pci_map_single: no HW sg\n"); return 0; } @@ -880,7 +876,7 @@ iommu_release(struct pci_iommu_arena *arena, long pg_start, long pg_count) int iommu_bind(struct pci_iommu_arena *arena, long pg_start, long pg_count, - unsigned long *physaddrs) + struct page **pages) { unsigned long flags; unsigned long *ptes; @@ -900,7 +896,7 @@ iommu_bind(struct pci_iommu_arena *arena, long pg_start, long pg_count, } for(i = 0, j = pg_start; i < pg_count; i++, j++) - ptes[j] = mk_iommu_pte(physaddrs[i]); + ptes[j] = mk_iommu_pte(page_to_phys(pages[i])); spin_unlock_irqrestore(&arena->lock, flags); diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index 3a2fb7a02db..289039bb6bb 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -19,7 +19,6 @@ #include <linux/ptrace.h> #include <linux/slab.h> #include <linux/user.h> -#include <linux/utsname.h> #include <linux/time.h> #include <linux/major.h> #include <linux/stat.h> diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index b1fe5674c3a..42aa078a5e4 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -548,16 +548,16 @@ setup_profiling_timer(unsigned int multiplier) static void -send_ipi_message(cpumask_t to_whom, enum ipi_message_type operation) +send_ipi_message(const struct cpumask *to_whom, enum ipi_message_type operation) { int i; mb(); - for_each_cpu_mask(i, to_whom) + for_each_cpu(i, to_whom) set_bit(operation, &ipi_data[i].bits); mb(); - for_each_cpu_mask(i, to_whom) + for_each_cpu(i, to_whom) wripir(i); } @@ -624,7 +624,7 @@ smp_send_reschedule(int cpu) printk(KERN_WARNING "smp_send_reschedule: Sending IPI to self.\n"); #endif - send_ipi_message(cpumask_of_cpu(cpu), IPI_RESCHEDULE); + send_ipi_message(cpumask_of(cpu), IPI_RESCHEDULE); } void @@ -636,17 +636,17 @@ smp_send_stop(void) if (hard_smp_processor_id() != boot_cpu_id) printk(KERN_WARNING "smp_send_stop: Not on boot cpu.\n"); #endif - send_ipi_message(to_whom, IPI_CPU_STOP); + send_ipi_message(&to_whom, IPI_CPU_STOP); } -void arch_send_call_function_ipi(cpumask_t mask) +void arch_send_call_function_ipi_mask(const struct cpumask *mask) { send_ipi_message(mask, IPI_CALL_FUNC); } void arch_send_call_function_single_ipi(int cpu) { - send_ipi_message(cpumask_of_cpu(cpu), IPI_CALL_FUNC_SINGLE); + send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE); } static void diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index b04e2cbf23a..5d0826654c6 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -408,28 +408,17 @@ time_init(void) * part. So we can't do the "find absolute time in terms of cycles" thing * that the other ports do. */ -void -do_gettimeofday(struct timeval *tv) +u32 arch_gettimeoffset(void) { - unsigned long flags; - unsigned long sec, usec, seq; - unsigned long delta_cycles, delta_usec, partial_tick; - - do { - seq = read_seqbegin_irqsave(&xtime_lock, flags); - - delta_cycles = rpcc() - state.last_time; - sec = xtime.tv_sec; - usec = (xtime.tv_nsec / 1000); - partial_tick = state.partial_tick; - - } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - #ifdef CONFIG_SMP /* Until and unless we figure out how to get cpu cycle counters in sync and keep them there, we can't use the rpcc tricks. */ - delta_usec = 0; + return 0; #else + unsigned long delta_cycles, delta_usec, partial_tick; + + delta_cycles = rpcc() - state.last_time; + partial_tick = state.partial_tick; /* * usec = cycles * ticks_per_cycle * 2**48 * 1e6 / (2**48 * ticks) * = cycles * (s_t_p_c) * 1e6 / (2**48 * ticks) @@ -446,64 +435,10 @@ do_gettimeofday(struct timeval *tv) delta_usec = (delta_cycles * state.scaled_ticks_per_cycle + partial_tick) * 15625; delta_usec = ((delta_usec / ((1UL << (FIX_SHIFT-6-1)) * HZ)) + 1) / 2; + return delta_usec * 1000; #endif - - usec += delta_usec; - if (usec >= 1000000) { - sec += 1; - usec -= 1000000; - } - - tv->tv_sec = sec; - tv->tv_usec = usec; } -EXPORT_SYMBOL(do_gettimeofday); - -int -do_settimeofday(struct timespec *tv) -{ - time_t wtm_sec, sec = tv->tv_sec; - long wtm_nsec, nsec = tv->tv_nsec; - unsigned long delta_nsec; - - if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) - return -EINVAL; - - write_seqlock_irq(&xtime_lock); - - /* The offset that is added into time in do_gettimeofday above - must be subtracted out here to keep a coherent view of the - time. Without this, a full-tick error is possible. */ - -#ifdef CONFIG_SMP - delta_nsec = 0; -#else - delta_nsec = rpcc() - state.last_time; - delta_nsec = (delta_nsec * state.scaled_ticks_per_cycle - + state.partial_tick) * 15625; - delta_nsec = ((delta_nsec / ((1UL << (FIX_SHIFT-6-1)) * HZ)) + 1) / 2; - delta_nsec *= 1000; -#endif - - nsec -= delta_nsec; - - wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); - wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); - - set_normalized_timespec(&xtime, sec, nsec); - set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); - - ntp_clear(); - - write_sequnlock_irq(&xtime_lock); - clock_was_set(); - return 0; -} - -EXPORT_SYMBOL(do_settimeofday); - - /* * In order to set the CMOS clock precisely, set_rtc_mmss has to be * called 500 ms after the second nowtime has started, because when diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S index 6dc03c35caa..003ef4c0258 100644 --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -1,4 +1,5 @@ #include <asm-generic/vmlinux.lds.h> +#include <asm/thread_info.h> #include <asm/page.h> OUTPUT_FORMAT("elf64-alpha") @@ -31,88 +32,21 @@ SECTIONS } :kernel RODATA - - /* Exception table */ - . = ALIGN(16); - __ex_table : { - __start___ex_table = .; - *(__ex_table) - __stop___ex_table = .; - } + EXCEPTION_TABLE(16) /* Will be freed after init */ - . = ALIGN(PAGE_SIZE); - /* Init code and data */ - __init_begin = .; - .init.text : { - _sinittext = .; - INIT_TEXT - _einittext = .; - } - .init.data : { - INIT_DATA - } - - . = ALIGN(16); - .init.setup : { - __setup_start = .; - *(.init.setup) - __setup_end = .; - } - - . = ALIGN(8); - .initcall.init : { - __initcall_start = .; - INITCALLS - __initcall_end = .; - } - -#ifdef CONFIG_BLK_DEV_INITRD - . = ALIGN(PAGE_SIZE); - .init.ramfs : { - __initramfs_start = .; - *(.init.ramfs) - __initramfs_end = .; - } -#endif - - . = ALIGN(8); - .con_initcall.init : { - __con_initcall_start = .; - *(.con_initcall.init) - __con_initcall_end = .; - } - - . = ALIGN(8); - SECURITY_INIT - + __init_begin = ALIGN(PAGE_SIZE); + INIT_TEXT_SECTION(PAGE_SIZE) + INIT_DATA_SECTION(16) PERCPU(PAGE_SIZE) - - . = ALIGN(2 * PAGE_SIZE); + /* Align to THREAD_SIZE rather than PAGE_SIZE here so any padding page + needed for the THREAD_SIZE aligned init_task gets freed after init */ + . = ALIGN(THREAD_SIZE); __init_end = .; /* Freed after init ends here */ - /* Note 2 page alignment above. */ - .data.init_thread : { - *(.data.init_thread) - } - - . = ALIGN(PAGE_SIZE); - .data.page_aligned : { - *(.data.page_aligned) - } - - . = ALIGN(64); - .data.cacheline_aligned : { - *(.data.cacheline_aligned) - } - _data = .; - /* Data */ - .data : { - DATA_DATA - CONSTRUCTORS - } + RW_DATA_SECTION(64, PAGE_SIZE, THREAD_SIZE) .got : { *(.got) @@ -122,16 +56,7 @@ SECTIONS } _edata = .; /* End of data section */ - __bss_start = .; - .sbss : { - *(.sbss) - *(.scommon) - } - .bss : { - *(.bss) - *(COMMON) - } - __bss_stop = .; + BSS_SECTION(0, 0, 0) _end = .; .mdebug 0 : { |