diff options
Diffstat (limited to 'arch/ia64/kernel')
| -rw-r--r-- | arch/ia64/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/ia64/kernel/acpi.c | 7 | ||||
| -rw-r--r-- | arch/ia64/kernel/elfcore.c | 80 | ||||
| -rw-r--r-- | arch/ia64/kernel/ia64_ksyms.c | 4 | ||||
| -rw-r--r-- | arch/ia64/kernel/perfmon.c | 1 | ||||
| -rw-r--r-- | arch/ia64/kernel/topology.c | 2 |
6 files changed, 91 insertions, 5 deletions
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile index 4138282aefa..db10b1e378b 100644 --- a/arch/ia64/kernel/Makefile +++ b/arch/ia64/kernel/Makefile @@ -45,6 +45,8 @@ endif obj-$(CONFIG_DMAR) += pci-dma.o obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o +obj-$(CONFIG_BINFMT_ELF) += elfcore.o + # fp_emulate() expects f2-f5,f16-f31 to contain the user-level state. CFLAGS_traps.o += -mfixed-range=f2-f5,f16-f31 diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index c16fb03037d..f1c9f70b4e4 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -44,6 +44,7 @@ #include <linux/efi.h> #include <linux/mmzone.h> #include <linux/nodemask.h> +#include <acpi/processor.h> #include <asm/io.h> #include <asm/iosapic.h> #include <asm/machvec.h> @@ -852,8 +853,8 @@ __init void prefill_possible_map(void) possible = available_cpus + additional_cpus; - if (possible > NR_CPUS) - possible = NR_CPUS; + if (possible > nr_cpu_ids) + possible = nr_cpu_ids; printk(KERN_INFO "SMP: Allowing %d CPUs, %d hotplug CPUs\n", possible, max((possible - available_cpus), 0)); @@ -907,6 +908,8 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu) cpu_set(cpu, cpu_present_map); ia64_cpu_to_sapicid[cpu] = physid; + acpi_processor_set_pdc(handle); + *pcpu = cpu; return (0); } diff --git a/arch/ia64/kernel/elfcore.c b/arch/ia64/kernel/elfcore.c new file mode 100644 index 00000000000..bac1639bc32 --- /dev/null +++ b/arch/ia64/kernel/elfcore.c @@ -0,0 +1,80 @@ +#include <linux/elf.h> +#include <linux/coredump.h> +#include <linux/fs.h> +#include <linux/mm.h> + +#include <asm/elf.h> + + +Elf64_Half elf_core_extra_phdrs(void) +{ + return GATE_EHDR->e_phnum; +} + +int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, + unsigned long limit) +{ + const struct elf_phdr *const gate_phdrs = + (const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff); + int i; + Elf64_Off ofs = 0; + + for (i = 0; i < GATE_EHDR->e_phnum; ++i) { + struct elf_phdr phdr = gate_phdrs[i]; + + if (phdr.p_type == PT_LOAD) { + phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz); + phdr.p_filesz = phdr.p_memsz; + if (ofs == 0) { + ofs = phdr.p_offset = offset; + offset += phdr.p_filesz; + } else { + phdr.p_offset = ofs; + } + } else { + phdr.p_offset += ofs; + } + phdr.p_paddr = 0; /* match other core phdrs */ + *size += sizeof(phdr); + if (*size > limit || !dump_write(file, &phdr, sizeof(phdr))) + return 0; + } + return 1; +} + +int elf_core_write_extra_data(struct file *file, size_t *size, + unsigned long limit) +{ + const struct elf_phdr *const gate_phdrs = + (const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff); + int i; + + for (i = 0; i < GATE_EHDR->e_phnum; ++i) { + if (gate_phdrs[i].p_type == PT_LOAD) { + void *addr = (void *)gate_phdrs[i].p_vaddr; + size_t memsz = PAGE_ALIGN(gate_phdrs[i].p_memsz); + + *size += memsz; + if (*size > limit || !dump_write(file, addr, memsz)) + return 0; + break; + } + } + return 1; +} + +size_t elf_core_extra_data_size(void) +{ + const struct elf_phdr *const gate_phdrs = + (const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff); + int i; + size_t size = 0; + + for (i = 0; i < GATE_EHDR->e_phnum; ++i) { + if (gate_phdrs[i].p_type == PT_LOAD) { + size += PAGE_ALIGN(gate_phdrs[i].p_memsz); + break; + } + } + return size; +} diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index 461b99902bf..7f4a0ed2415 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c @@ -30,9 +30,9 @@ EXPORT_SYMBOL(max_low_pfn); /* defined by bootmem.c, but not exported by generic #endif #include <asm/processor.h> -EXPORT_SYMBOL(per_cpu__ia64_cpu_info); +EXPORT_SYMBOL(ia64_cpu_info); #ifdef CONFIG_SMP -EXPORT_SYMBOL(per_cpu__local_per_cpu_offset); +EXPORT_SYMBOL(local_per_cpu_offset); #endif #include <asm/uaccess.h> diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index b81e46b1629..703062c44fb 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -2315,6 +2315,7 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t DPRINT(("Cannot allocate vma\n")); goto error_kmem; } + INIT_LIST_HEAD(&vma->anon_vma_chain); /* * partially initialize the vma for the sampling buffer diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c index 8f060352e12..b3a5818088d 100644 --- a/arch/ia64/kernel/topology.c +++ b/arch/ia64/kernel/topology.c @@ -282,7 +282,7 @@ static ssize_t cache_show(struct kobject * kobj, struct attribute * attr, char * return ret; } -static struct sysfs_ops cache_sysfs_ops = { +static const struct sysfs_ops cache_sysfs_ops = { .show = cache_show }; |