diff options
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/armksyms.c | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/head-common.S | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/module.c | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/setup.c | 57 | ||||
| -rw-r--r-- | arch/arm/kernel/smp.c | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/thumbee.c | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/vmlinux.lds.S | 2 |
7 files changed, 40 insertions, 32 deletions
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index c74f766ffc12..53d0037a1e9d 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -8,6 +8,7 @@ * published by the Free Software Foundation. */ #include <linux/module.h> +#include <linux/sched.h> #include <linux/string.h> #include <linux/cryptohash.h> #include <linux/delay.h> diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S index bde52df1c668..991952c644d1 100644 --- a/arch/arm/kernel/head-common.S +++ b/arch/arm/kernel/head-common.S @@ -18,7 +18,7 @@ __switch_data: .long __mmap_switched .long __data_loc @ r4 - .long __data_start @ r5 + .long _data @ r5 .long __bss_start @ r6 .long _end @ r7 .long processor_id @ r4 diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index b8d965dcd6fd..dab48f27263f 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -21,6 +21,7 @@ #include <linux/string.h> #include <asm/pgtable.h> +#include <asm/sections.h> #ifdef CONFIG_XIP_KERNEL /* @@ -29,9 +30,8 @@ * MODULES_VADDR is redefined here and not in asm/memory.h to avoid * recompiling the whole kernel when CONFIG_XIP_KERNEL is turned on/off. */ -extern void _etext; #undef MODULES_VADDR -#define MODULES_VADDR (((unsigned long)&_etext + ~PGDIR_MASK) & PGDIR_MASK) +#define MODULES_VADDR (((unsigned long)_etext + ~PGDIR_MASK) & PGDIR_MASK) #endif #ifdef CONFIG_MMU diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 1f1eecca7f55..7049815d66d5 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -29,6 +29,7 @@ #include <asm/cputype.h> #include <asm/elf.h> #include <asm/procinfo.h> +#include <asm/sections.h> #include <asm/setup.h> #include <asm/mach-types.h> #include <asm/cacheflush.h> @@ -59,9 +60,8 @@ static int __init fpe_setup(char *line) __setup("fpe=", fpe_setup); #endif -extern void paging_init(struct meminfo *, struct machine_desc *desc); +extern void paging_init(struct machine_desc *desc); extern void reboot_setup(char *str); -extern void _text, _etext, __data_start, _edata, _end; unsigned int processor_id; EXPORT_SYMBOL(processor_id); @@ -112,7 +112,6 @@ static struct stack stacks[NR_CPUS]; char elf_platform[ELF_PLATFORM_SIZE]; EXPORT_SYMBOL(elf_platform); -static struct meminfo meminfo __initdata = { 0, }; static const char *cpu_name; static const char *machine_name; static char __initdata command_line[COMMAND_LINE_SIZE]; @@ -367,21 +366,34 @@ static struct machine_desc * __init setup_machine(unsigned int nr) return list; } -static void __init arm_add_memory(unsigned long start, unsigned long size) +static int __init arm_add_memory(unsigned long start, unsigned long size) { - struct membank *bank; + struct membank *bank = &meminfo.bank[meminfo.nr_banks]; + + if (meminfo.nr_banks >= NR_BANKS) { + printk(KERN_CRIT "NR_BANKS too low, " + "ignoring memory at %#lx\n", start); + return -EINVAL; + } /* * Ensure that start/size are aligned to a page boundary. * Size is appropriately rounded down, start is rounded up. */ size -= start & ~PAGE_MASK; - - bank = &meminfo.bank[meminfo.nr_banks++]; - bank->start = PAGE_ALIGN(start); bank->size = size & PAGE_MASK; bank->node = PHYS_TO_NID(start); + + /* + * Check whether this memory region has non-zero size or + * invalid node number. + */ + if (bank->size == 0 || bank->node >= MAX_NUMNODES) + return -EINVAL; + + meminfo.nr_banks++; + return 0; } /* @@ -472,10 +484,10 @@ request_standard_resources(struct meminfo *mi, struct machine_desc *mdesc) struct resource *res; int i; - kernel_code.start = virt_to_phys(&_text); - kernel_code.end = virt_to_phys(&_etext - 1); - kernel_data.start = virt_to_phys(&__data_start); - kernel_data.end = virt_to_phys(&_end - 1); + kernel_code.start = virt_to_phys(_text); + kernel_code.end = virt_to_phys(_etext - 1); + kernel_data.start = virt_to_phys(_data); + kernel_data.end = virt_to_phys(_end - 1); for (i = 0; i < mi->nr_banks; i++) { if (mi->bank[i].size == 0) @@ -539,14 +551,7 @@ __tagtable(ATAG_CORE, parse_tag_core); static int __init parse_tag_mem32(const struct tag *tag) { - if (meminfo.nr_banks >= NR_BANKS) { - printk(KERN_WARNING - "Ignoring memory bank 0x%08x size %dKB\n", - tag->u.mem.start, tag->u.mem.size / 1024); - return -EINVAL; - } - arm_add_memory(tag->u.mem.start, tag->u.mem.size); - return 0; + return arm_add_memory(tag->u.mem.start, tag->u.mem.size); } __tagtable(ATAG_MEM, parse_tag_mem32); @@ -710,15 +715,15 @@ void __init setup_arch(char **cmdline_p) parse_tags(tags); } - init_mm.start_code = (unsigned long) &_text; - init_mm.end_code = (unsigned long) &_etext; - init_mm.end_data = (unsigned long) &_edata; - init_mm.brk = (unsigned long) &_end; + init_mm.start_code = (unsigned long) _text; + init_mm.end_code = (unsigned long) _etext; + init_mm.end_data = (unsigned long) _edata; + init_mm.brk = (unsigned long) _end; memcpy(boot_command_line, from, COMMAND_LINE_SIZE); boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; parse_cmdline(cmdline_p, from); - paging_init(&meminfo, mdesc); + paging_init(mdesc); request_standard_resources(&meminfo, mdesc); #ifdef CONFIG_SMP @@ -772,6 +777,8 @@ static const char *hwcap_str[] = { "java", "iwmmxt", "crunch", + "thumbee", + "neon", NULL }; diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index e42a749a56dd..019237d21622 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -181,7 +181,7 @@ int __cpuexit __cpu_disable(void) /* * Stop the local timer for this CPU. */ - local_timer_stop(cpu); + local_timer_stop(); /* * Flush user cache and TLB mappings, and then remove this CPU @@ -284,7 +284,7 @@ asmlinkage void __cpuinit secondary_start_kernel(void) /* * Setup local timer for this CPU. */ - local_timer_setup(cpu); + local_timer_setup(); calibrate_delay(); diff --git a/arch/arm/kernel/thumbee.c b/arch/arm/kernel/thumbee.c index df3f6b7ebcea..9cb7aaca159f 100644 --- a/arch/arm/kernel/thumbee.c +++ b/arch/arm/kernel/thumbee.c @@ -25,7 +25,7 @@ /* * Access to the ThumbEE Handler Base register */ -static inline unsigned long teehbr_read() +static inline unsigned long teehbr_read(void) { unsigned long v; asm("mrc p14, 6, %0, c1, c0, 0\n" : "=r" (v)); diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 4898bdcfe7dd..00216071eaf7 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -119,7 +119,7 @@ SECTIONS #endif .data : AT(__data_loc) { - __data_start = .; /* address in memory */ + _data = .; /* address in memory */ /* * first, the init task union, aligned |
