diff options
Diffstat (limited to 'arch/ia64')
35 files changed, 178 insertions, 174 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index bef47725d4ad..c9307c99a1dc 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -42,6 +42,11 @@ config MMU config SWIOTLB bool +config GENERIC_LOCKBREAK + bool + default y + depends on SMP && PREEMPT + config RWSEM_XCHGADD_ALGORITHM bool default y @@ -75,6 +80,9 @@ config GENERIC_TIME_VSYSCALL bool default y +config HAVE_SETUP_PER_CPU_AREA + def_bool y + config DMI bool default y diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile index 34951aa2370b..b916ccfdef84 100644 --- a/arch/ia64/Makefile +++ b/arch/ia64/Makefile @@ -77,7 +77,7 @@ vmlinux.gz: vmlinux $(Q)$(MAKE) $(build)=$(boot) $@ unwcheck: vmlinux - -$(Q)READELF=$(READELF) $(srctree)/arch/ia64/scripts/unwcheck.py $< + -$(Q)READELF=$(READELF) python $(srctree)/arch/ia64/scripts/unwcheck.py $< archclean: $(Q)$(MAKE) $(clean)=$(boot) diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index bc859a311eaf..45bf04eb7d70 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -2034,7 +2034,8 @@ sba_init(void) if (!ia64_platform_is("hpzx1") && !ia64_platform_is("hpzx1_swiotlb")) return 0; -#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP) +#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP) && \ + defined(CONFIG_PROC_FS) /* If we are booting a kdump kernel, the sba_iommu will * cause devices that were not shutdown properly to MCA * as soon as they are turned back on. Our only option for diff --git a/arch/ia64/hp/sim/boot/Makefile b/arch/ia64/hp/sim/boot/Makefile index df6e9968c845..2e805e0cc560 100644 --- a/arch/ia64/hp/sim/boot/Makefile +++ b/arch/ia64/hp/sim/boot/Makefile @@ -33,5 +33,5 @@ $(obj)/vmlinux.bin: vmlinux FORCE LDFLAGS_bootloader = -static -T $(obj)/bootloader: $(src)/bootloader.lds $(obj)/bootloader.o $(obj)/boot_head.o $(obj)/fw-emu.o \ - lib/lib.a arch/ia64/lib/lib.a FORCE + lib/lib.a arch/ia64/lib/built-in.o arch/ia64/lib/lib.a FORCE $(call if_changed,ld) diff --git a/arch/ia64/hp/sim/boot/bootloader.lds b/arch/ia64/hp/sim/boot/bootloader.lds index 69ae58531033..3977f25a1265 100644 --- a/arch/ia64/hp/sim/boot/bootloader.lds +++ b/arch/ia64/hp/sim/boot/bootloader.lds @@ -22,10 +22,11 @@ SECTIONS .sdata : { *(.sdata) } _edata = .; - _bss = .; + __bss_start = .; .sbss : { *(.sbss) *(.scommon) } .bss : { *(.bss) *(COMMON) } . = ALIGN(64 / 8); + __bss_stop = .; _end = . ; /* Stabs debugging sections. */ diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c index 08b117e2c54b..9898febf609a 100644 --- a/arch/ia64/hp/sim/simeth.c +++ b/arch/ia64/hp/sim/simeth.c @@ -497,11 +497,6 @@ simeth_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; - if ( dev == NULL ) { - printk(KERN_WARNING "simeth: irq %d for unknown device\n", irq); - return IRQ_NONE; - } - /* * very simple loop because we get interrupts only when receiving */ diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c index 6ef9b5219930..7661bb065fa5 100644 --- a/arch/ia64/hp/sim/simscsi.c +++ b/arch/ia64/hp/sim/simscsi.c @@ -360,7 +360,6 @@ static struct scsi_host_template driver_template = { .max_sectors = 1024, .cmd_per_lun = SIMSCSI_REQ_QUEUE_LEN, .use_clustering = DISABLE_CLUSTERING, - .use_sg_chaining = ENABLE_SG_CHAINING, }; static int __init diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index f6ae3ec93810..4f0c30c38e99 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -52,33 +52,29 @@ extern struct page *ia32_shared_page[]; extern unsigned long *ia32_gdt; extern struct page *ia32_gate_page; -struct page * -ia32_install_shared_page (struct vm_area_struct *vma, unsigned long address, int *type) +int +ia32_install_shared_page (struct vm_area_struct *vma, struct vm_fault *vmf) { - struct page *pg = ia32_shared_page[smp_processor_id()]; - get_page(pg); - if (type) - *type = VM_FAULT_MINOR; - return pg; + vmf->page = ia32_shared_page[smp_processor_id()]; + get_page(vmf->page); + return 0; } -struct page * -ia32_install_gate_page (struct vm_area_struct *vma, unsigned long address, int *type) +int +ia32_install_gate_page (struct vm_area_struct *vma, struct vm_fault *vmf) { - struct page *pg = ia32_gate_page; - get_page(pg); - if (type) - *type = VM_FAULT_MINOR; - return pg; + vmf->page = ia32_gate_page; + get_page(vmf->page); + return 0; } static struct vm_operations_struct ia32_shared_page_vm_ops = { - .nopage = ia32_install_shared_page + .fault = ia32_install_shared_page }; static struct vm_operations_struct ia32_gate_page_vm_ops = { - .nopage = ia32_install_gate_page + .fault = ia32_install_gate_page }; void @@ -226,7 +222,8 @@ elf32_set_personality (void) } static unsigned long -elf32_map (struct file *filep, unsigned long addr, struct elf_phdr *eppnt, int prot, int type) +elf32_map(struct file *filep, unsigned long addr, struct elf_phdr *eppnt, + int prot, int type, unsigned long unused) { unsigned long pgoff = (eppnt->p_vaddr) & ~IA32_PAGE_MASK; diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 897e2083a3b1..00b5d08f6da8 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -860,7 +860,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu) lsapic = (struct acpi_madt_local_sapic *)obj->buffer.pointer; if ((lsapic->header.type != ACPI_MADT_TYPE_LOCAL_SAPIC) || - (!lsapic->lapic_flags & ACPI_MADT_ENABLED)) { + (!(lsapic->lapic_flags & ACPI_MADT_ENABLED))) { kfree(buffer.pointer); return -EINVAL; } diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 8e8f8b6193ee..242d79341120 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -370,7 +370,7 @@ efi_get_pal_addr (void) continue; } - if (md->num_pages << EFI_PAGE_SHIFT > IA64_GRANULE_SIZE) + if (efi_md_size(md) > IA64_GRANULE_SIZE) panic("Woah! PAL code size bigger than a granule!"); #if EFI_DEBUG @@ -378,7 +378,7 @@ efi_get_pal_addr (void) printk(KERN_INFO "CPU %d: mapping PAL code [0x%lx-0x%lx) into [0x%lx-0x%lx)\n", smp_processor_id(), md->phys_addr, - md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT), + md->phys_addr + efi_md_size(md), vaddr & mask, (vaddr & mask) + IA64_GRANULE_SIZE); #endif return __va(md->phys_addr); @@ -523,7 +523,7 @@ efi_init (void) md = p; printk("mem%02u: type=%u, attr=0x%lx, range=[0x%016lx-0x%016lx) (%luMB)\n", i, md->type, md->attribute, md->phys_addr, - md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT), + md->phys_addr + efi_md_size(md), md->num_pages >> (20 - EFI_PAGE_SHIFT)); } } @@ -656,7 +656,7 @@ efi_memory_descriptor (unsigned long phys_addr) for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) { md = p; - if (phys_addr - md->phys_addr < (md->num_pages << EFI_PAGE_SHIFT)) + if (phys_addr - md->phys_addr < efi_md_size(md)) return md; } return NULL; @@ -1158,7 +1158,7 @@ efi_initialize_iomem_resources(struct resource *code_resource, res->name = name; res->start = md->phys_addr; - res->end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT) - 1; + res->end = md->phys_addr + efi_md_size(md) - 1; res->flags = flags; if (insert_resource(&iomem_resource, res) < 0) diff --git a/arch/ia64/kernel/gate.lds.S b/arch/ia64/kernel/gate.lds.S index 454d7a7dfa9d..3cb1abc00e24 100644 --- a/arch/ia64/kernel/gate.lds.S +++ b/arch/ia64/kernel/gate.lds.S @@ -30,7 +30,7 @@ SECTIONS * the dynamic symbol table et al. If this amount is insufficient, * ld -shared will barf. Just increase it here. */ - . = GATE_ADDR + 0x500; + . = GATE_ADDR + 0x600; .data.patch : { __start_gate_mckinley_e9_patchlist = .; diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S index 4e5e27540e27..d3a41d5f8d12 100644 --- a/arch/ia64/kernel/head.S +++ b/arch/ia64/kernel/head.S @@ -1176,6 +1176,7 @@ tlb_purge_done: RESTORE_REG(cr.dcr, r25, r17);; RESTORE_REG(cr.iva, r25, r17);; RESTORE_REG(cr.pta, r25, r17);; + srlz.d;; // required not to violate RAW dependency RESTORE_REG(cr.itv, r25, r17);; RESTORE_REG(cr.pmv, r25, r17);; RESTORE_REG(cr.cmcv, r25, r17);; diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index bd17190bebb6..c3b4412ccc67 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c @@ -63,6 +63,9 @@ EXPORT_SYMBOL(__udivdi3); EXPORT_SYMBOL(__moddi3); EXPORT_SYMBOL(__umoddi3); +#include <asm/page.h> +EXPORT_SYMBOL(copy_page); + #if defined(CONFIG_MD_RAID456) || defined(CONFIG_MD_RAID456_MODULE) extern void xor_ia64_2(void); extern void xor_ia64_3(void); diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index 274a59383043..398e2fd1cd25 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -199,19 +199,6 @@ static inline int __gsi_to_irq(unsigned int gsi) return -1; } -/* - * Translate GSI number to the corresponding IA-64 interrupt vector. If no - * entry exists, return -1. - */ -inline int -gsi_to_vector (unsigned int gsi) -{ - int irq = __gsi_to_irq(gsi); - if (check_irq_used(irq) < 0) - return -1; - return irq_to_vector(irq); -} - int gsi_to_irq (unsigned int gsi) { @@ -429,7 +416,7 @@ iosapic_end_level_irq (unsigned int irq) #define iosapic_disable_level_irq mask_irq #define iosapic_ack_level_irq nop -struct irq_chip irq_type_iosapic_level = { +static struct irq_chip irq_type_iosapic_level = { .name = "IO-SAPIC-level", .startup = iosapic_startup_level_irq, .shutdown = iosapic_shutdown_level_irq, @@ -478,7 +465,7 @@ iosapic_ack_edge_irq (unsigned int irq) #define iosapic_disable_edge_irq nop #define iosapic_end_edge_irq nop -struct irq_chip irq_type_iosapic_edge = { +static struct irq_chip irq_type_iosapic_edge = { .name = "IO-SAPIC-edge", .startup = iosapic_startup_edge_irq, .shutdown = iosapic_disable_edge_irq, @@ -491,7 +478,7 @@ struct irq_chip irq_type_iosapic_edge = { .set_affinity = iosapic_set_affinity }; -unsigned int +static unsigned int iosapic_version (char __iomem *addr) { /* @@ -938,7 +925,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi, case ACPI_INTERRUPT_CPEI: irq = vector = IA64_CPE_VECTOR; BUG_ON(bind_irq_vector(irq, vector, CPU_MASK_ALL)); - delivery = IOSAPIC_LOWEST_PRIORITY; + delivery = IOSAPIC_FIXED; mask = 1; break; default: diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 00a4599e5f47..0b52f19ed046 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -200,7 +200,7 @@ assign_irq_vector (int irq) { unsigned long flags; int vector, cpu; - cpumask_t domain; + cpumask_t domain = CPU_MASK_NONE; vector = -ENOSPC; @@ -340,7 +340,7 @@ int create_irq(void) { unsigned long flags; int irq, vector, cpu; - cpumask_t domain; + cpumask_t domain = CPU_MASK_NONE; irq = vector = -ENOSPC; spin_lock_irqsave(&vector_lock, flags); diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 5fd65d8302c8..fc4d2676264f 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -182,8 +182,8 @@ static int __kprobes unsupported_inst(uint template, uint slot, qp = kprobe_inst & 0x3f; if (is_cmp_ctype_unc_inst(template, slot, major_opcode, kprobe_inst)) { if (slot == 1 && qp) { - printk(KERN_WARNING "Kprobes on cmp unc" - "instruction on slot 1 at <0x%lx>" + printk(KERN_WARNING "Kprobes on cmp unc " + "instruction on slot 1 at <0x%lx> " "is not supported\n", addr); return -EINVAL; @@ -221,8 +221,8 @@ static int __kprobes unsupported_inst(uint template, uint slot, * bit 12 to be equal to 1 */ if (slot == 1 && qp) { - printk(KERN_WARNING "Kprobes on test bit" - "instruction on slot at <0x%lx>" + printk(KERN_WARNING "Kprobes on test bit " + "instruction on slot at <0x%lx> " "is not supported\n", addr); return -EINVAL; } @@ -242,7 +242,7 @@ static int __kprobes unsupported_inst(uint template, uint slot, */ int x6=(kprobe_inst >> 27) & 0x3F; if ((x6 == 0x10) || (x6 == 0x11)) { - printk(KERN_WARNING "Kprobes on" + printk(KERN_WARNING "Kprobes on " "Indirect Predict is not supported\n"); return -EINVAL; } @@ -435,6 +435,23 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) /* another task is sharing our hash bucket */ continue; + orig_ret_address = (unsigned long)ri->ret_addr; + if (orig_ret_address != trampoline_address) + /* + * This is the real return address. Any other + * instances associated with this task are for + * other calls deeper on the call stack + */ + break; + } + + regs->cr_iip = orig_ret_address; + + hlist_for_each_entry_safe(ri, node, tmp, head, hlist) { + if (ri->task != current) + /* another task is sharing our hash bucket */ + continue; + if (ri->rp && ri->rp->handler) ri->rp->handler(ri, regs); @@ -452,8 +469,6 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) kretprobe_assert(ri, orig_ret_address, trampoline_address); - regs->cr_iip = orig_ret_address; - reset_current_kprobe(); spin_unlock_irqrestore(&kretprobe_lock, flags); preempt_enable_no_resched(); diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 10b48cd15a87..6dbf5919d2d0 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -75,6 +75,7 @@ #include <linux/workqueue.h> #include <linux/cpumask.h> #include <linux/kdebug.h> +#include <linux/cpu.h> #include <asm/delay.h> #include <asm/machvec.h> @@ -1813,6 +1814,36 @@ ia64_mca_cpu_init(void *cpu_data) PAGE_KERNEL)); } +static void __cpuinit ia64_mca_cmc_vector_adjust(void *dummy) +{ + unsigned long flags; + + local_irq_save(flags); + if (!cmc_polling_enabled) + ia64_mca_cmc_vector_enable(NULL); + local_irq_restore(flags); +} + +static int __cpuinit mca_cpu_callback(struct notifier_block *nfb, + unsigned long action, + void *hcpu) +{ + int hotcpu = (unsigned long) hcpu; + + switch (action) { + case CPU_ONLINE: + case CPU_ONLINE_FROZEN: + smp_call_function_single(hotcpu, ia64_mca_cmc_vector_adjust, + NULL, 1, 0); + break; + } + return NOTIFY_OK; +} + +static struct notifier_block mca_cpu_notifier __cpuinitdata = { + .notifier_call = mca_cpu_callback +}; + /* * ia64_mca_init * @@ -1996,6 +2027,8 @@ ia64_mca_late_init(void) if (!mca_init) return 0; + register_hotcpu_notifier(&mca_cpu_notifier); + /* Setup the CMCI/P vector and handler */ init_timer(&cmc_poll_timer); cmc_poll_timer.function = ia64_mca_cmc_poll; diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c index 196287928bae..e58f4367cf11 100644 --- a/arch/ia64/kernel/module.c +++ b/arch/ia64/kernel/module.c @@ -940,14 +940,3 @@ module_arch_cleanup (struct module *mod) if (mod->arch.core_unw_table) unw_remove_unwind_table(mod->arch.core_unw_table); } - -#ifdef CONFIG_SMP -void -percpu_modcopy (void *pcpudst, const void *src, unsigned long size) -{ - unsigned int i; - for_each_possible_cpu(i) { - memcpy(pcpudst + __per_cpu_offset[i], src, size); - } -} -#endif /* CONFIG_SMP */ diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 2418289ee5ca..7377d323131d 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -27,6 +27,7 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/kdebug.h> +#include <linux/utsname.h> #include <asm/cpu.h> #include <asm/delay.h> @@ -107,8 +108,9 @@ show_regs (struct pt_regs *regs) print_modules(); printk("\nPid: %d, CPU %d, comm: %20s\n", task_pid_nr(current), smp_processor_id(), current->comm); - printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s\n", - regs->cr_ipsr, regs->cr_ifs, ip, print_tainted()); + printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s (%s)\n", + regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(), + init_utsname()->release); print_symbol("ip is at %s\n", ip); printk("unat: %016lx pfs : %016lx rsc : %016lx\n", regs->ar_unat, regs->ar_pfs, regs->ar_rsc); @@ -737,6 +739,7 @@ flush_thread (void) ia32_drop_ia64_partial_page_list(current); current->thread.task_size = IA32_PAGE_OFFSET; set_fs(USER_DS); + memset(current->thread.tls_array, 0, sizeof(current->thread.tls_array)); } #endif } diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 2b3751eef5ce..86028c69861e 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -71,8 +71,6 @@ unsigned long __per_cpu_offset[NR_CPUS]; EXPORT_SYMBOL(__per_cpu_offset); #endif -extern void ia64_setup_printk_clock(void); - DEFINE_PER_CPU(struct cpuinfo_ia64, cpu_info); DEFINE_PER_CPU(unsigned long, local_per_cpu_offset); unsigned long ia64_cycles_per_usec; @@ -95,7 +93,6 @@ static struct resource bss_resource = { .name = "Kernel bss", .flags = IORESOURCE_BUSY | IORESOURCE_MEM }; -extern char _text[], _end[], _etext[], _edata[], _bss[]; unsigned long ia64_max_cacheline_size; @@ -206,7 +203,7 @@ static int __init register_memory(void) code_resource.end = ia64_tpa(_etext) - 1; data_resource.start = ia64_tpa(_etext); data_resource.end = ia64_tpa(_edata) - 1; - bss_resource.start = ia64_tpa(_bss); + bss_resource.start = ia64_tpa(__bss_start); bss_resource.end = ia64_tpa(_end) - 1; efi_initialize_iomem_resources(&code_resource, &data_resource, &bss_resource); @@ -508,8 +505,6 @@ setup_arch (char **cmdline_p) /* process SAL system table: */ ia64_sal_init(__va(efi.sal_systab)); - ia64_setup_printk_clock(); - #ifdef CONFIG_SMP cpu_physical_id(0) = hard_smp_processor_id(); #endif diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c index cdb64cc4d9c8..309da3567bc8 100644 --- a/arch/ia64/kernel/signal.c +++ b/arch/ia64/kernel/signal.c @@ -98,7 +98,7 @@ restore_sigcontext (struct sigcontext __user *sc, struct sigscratch *scr) if ((flags & IA64_SC_FLAG_FPH_VALID) != 0) { struct ia64_psr *psr = ia64_psr(&scr->pt); - __copy_from_user(current->thread.fph, &sc->sc_fr[32], 96*16); + err |= __copy_from_user(current->thread.fph, &sc->sc_fr[32], 96*16); psr->mfh = 0; /* drop signal handler's fph contents... */ preempt_disable(); if (psr->dfh) @@ -244,7 +244,7 @@ static long setup_sigcontext (struct sigcontext __user *sc, sigset_t *mask, struct sigscratch *scr) { unsigned long flags = 0, ifs, cfm, nat; - long err; + long err = 0; ifs = scr->pt.cr_ifs; @@ -257,12 +257,12 @@ setup_sigcontext (struct sigcontext __user *sc, sigset_t *mask, struct sigscratc ia64_flush_fph(current); if ((current->thread.flags & IA64_THREAD_FPH_VALID)) { flags |= IA64_SC_FLAG_FPH_VALID; - __copy_to_user(&sc->sc_fr[32], current->thread.fph, 96*16); + err = __copy_to_user(&sc->sc_fr[32], current->thread.fph, 96*16); } nat = ia64_get_scratch_nat_bits(&scr->pt, scr->scratch_unat); - err = __put_user(flags, &sc->sc_flags); + err |= __put_user(flags, &sc->sc_flags); err |= __put_user(nat, &sc->sc_nat); err |= PUT_SIGSET(mask, &sc->sc_mask); err |= __put_user(cfm, &sc->sc_cfm); @@ -280,15 +280,7 @@ setup_sigcontext (struct sigcontext __user *sc, sigset_t *mask, struct sigscratc err |= __copy_to_user(&sc->sc_gr[15], &scr->pt.r15, 8); /* r15 */ err |= __put_user(scr->pt.cr_iip + ia64_psr(&scr->pt)->ri, &sc->sc_ip); - if (flags & IA64_SC_FLAG_IN_SYSCALL) { - /* Clear scratch registers if the signal interrupted a system call. */ - err |= __put_user(0, &sc->sc_ar_ccv); /* ar.ccv */ - err |= __put_user(0, &sc->sc_br[7]); /* b7 */ - err |= __put_user(0, &sc->sc_gr[14]); /* r14 */ - err |= __clear_user(&sc->sc_ar25, 2*8); /* ar.csd & ar.ssd */ - err |= __clear_user(&sc->sc_gr[2], 2*8); /* r2-r3 */ - err |= __clear_user(&sc->sc_gr[16], 16*8); /* r16-r31 */ - } else { + if (!(flags & IA64_SC_FLAG_IN_SYSCALL)) { /* Copy scratch regs to sigcontext if the signal didn't interrupt a syscall. */ err |= __put_user(scr->pt.ar_ccv, &sc->sc_ar_ccv); /* ar.ccv */ err |= __put_user(scr->pt.b7, &sc->sc_br[7]); /* b7 */ diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 2bb84214e5f1..3ab042720970 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -344,33 +344,6 @@ udelay (unsigned long usecs) } EXPORT_SYMBOL(udelay); -static unsigned long long ia64_itc_printk_clock(void) -{ - if (ia64_get_kr(IA64_KR_PER_CPU_DATA)) - return sched_clock(); - return 0; -} - -static unsigned long long ia64_default_printk_clock(void) -{ - return (unsigned long long)(jiffies_64 - INITIAL_JIFFIES) * - (1000000000/HZ); -} - -unsigned long long (*ia64_printk_clock)(void) = &ia64_default_printk_clock; - -unsigned long long printk_clock(void) -{ - return ia64_printk_clock(); -} - -void __init -ia64_setup_printk_clock(void) -{ - if (!(sal_platform_features & IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT)) - ia64_printk_clock = ia64_itc_printk_clock; -} - /* IA64 doesn't cache the timezone */ void update_vsyscall_tz(void) { diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c index 14261fee5f4d..a2484fc1a06c 100644 --- a/arch/ia64/kernel/topology.c +++ b/arch/ia64/kernel/topology.c @@ -354,27 +354,27 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev) if (unlikely(retval < 0)) return retval; - all_cpu_cache_info[cpu].kobj.parent = &sys_dev->kobj; - kobject_set_name(&all_cpu_cache_info[cpu].kobj, "%s", "cache"); - all_cpu_cache_info[cpu].kobj.ktype = &cache_ktype_percpu_entry; - retval = kobject_register(&all_cpu_cache_info[cpu].kobj); + retval = kobject_init_and_add(&all_cpu_cache_info[cpu].kobj, + &cache_ktype_percpu_entry, &sys_dev->kobj, + "%s", "cache"); for (i = 0; i < all_cpu_cache_info[cpu].num_cache_leaves; i++) { this_object = LEAF_KOBJECT_PTR(cpu,i); - this_object->kobj.parent = &all_cpu_cache_info[cpu].kobj; - kobject_set_name(&(this_object->kobj), "index%1lu", i); - this_object->kobj.ktype = &cache_ktype; - retval = kobject_register(&(this_object->kobj)); + retval = kobject_init_and_add(&(this_object->kobj), + &cache_ktype, + &all_cpu_cache_info[cpu].kobj, + "index%1lu", i); if (unlikely(retval)) { for (j = 0; j < i; j++) { - kobject_unregister( - &(LEAF_KOBJECT_PTR(cpu,j)->kobj)); + kobject_put(&(LEAF_KOBJECT_PTR(cpu,j)->kobj)); } - kobject_unregister(&all_cpu_cache_info[cpu].kobj); + kobject_put(&all_cpu_cache_info[cpu].kobj); cpu_cache_sysfs_exit(cpu); break; } + kobject_uevent(&(this_object->kobj), KOBJ_ADD); } + kobject_uevent(&all_cpu_cache_info[cpu].kobj, KOBJ_ADD); return retval; } @@ -385,10 +385,10 @@ static int __cpuinit cache_remove_dev(struct sys_device * sys_dev) unsigned long i; for (i = 0; i < all_cpu_cache_info[cpu].num_cache_leaves; i++) - kobject_unregister(&(LEAF_KOBJECT_PTR(cpu,i)->kobj)); + kobject_put(&(LEAF_KOBJECT_PTR(cpu,i)->kobj)); if (all_cpu_cache_info[cpu].kobj.parent) { - kobject_unregister(&all_cpu_cache_info[cpu].kobj); + kobject_put(&all_cpu_cache_info[cpu].kobj); memset(&all_cpu_cache_info[cpu].kobj, 0, sizeof(struct kobject)); diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c index 2173de9fe917..f6a1aeb742b3 100644 --- a/arch/ia64/kernel/unaligned.c +++ b/arch/ia64/kernel/unaligned.c @@ -1488,16 +1488,19 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) case LDFA_OP: case LDFCCLR_OP: case LDFCNC_OP: - case LDF_IMM_OP: - case LDFA_IMM_OP: - case LDFCCLR_IMM_OP: - case LDFCNC_IMM_OP: if (u.insn.x) ret = emulate_load_floatpair(ifa, u.insn, regs); else ret = emulate_load_float(ifa, u.insn, regs); break; + case LDF_IMM_OP: + case LDFA_IMM_OP: + case LDFCCLR_IMM_OP: + case LDFCNC_IMM_OP: + ret = emulate_load_float(ifa, u.insn, regs); + break; + case STF_OP: case STF_IMM_OP: ret = emulate_store_float(ifa, u.insn, regs); diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c index a7be4f203420..2a90c32024f4 100644 --- a/arch/ia64/kernel/uncached.c +++ b/arch/ia64/kernel/uncached.c @@ -118,7 +118,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid) for (i = 0; i < (IA64_GRANULE_SIZE / PAGE_SIZE); i++) SetPageUncached(&page[i]); - flush_tlb_kernel_range(uc_addr, uc_adddr + IA64_GRANULE_SIZE); + flush_tlb_kernel_range(uc_addr, uc_addr + IA64_GRANULE_SIZE); status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL); if (status == PAL_VISIBILITY_OK_REMOTE_NEEDED) { diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index 00232b4357ba..80622acc95de 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -27,8 +27,8 @@ SECTIONS { /* Sections to be discarded */ /DISCARD/ : { - *(.exit.text) - *(.exit.data) + EXIT_TEXT + EXIT_DATA *(.exitcall.exit) *(.IA_64.unwind.exit.text) *(.IA_64.unwind_info.exit.text) @@ -119,12 +119,12 @@ SECTIONS .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { _sinittext = .; - *(.init.text) + INIT_TEXT _einittext = .; } .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) - { *(.init.data) } + { INIT_DATA } #ifdef CONFIG_BLK_DEV_INITRD .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) @@ -240,11 +240,12 @@ SECTIONS .sdata : AT(ADDR(.sdata) - LOAD_OFFSET) { *(.sdata) *(.sdata1) *(.srdata) } _edata = .; - _bss = .; + __bss_start = .; .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) { *(.sbss) *(.scommon) } .bss : AT(ADDR(.bss) - LOAD_OFFSET) { *(.bss) *(COMMON) } + __bss_stop = .; _end = .; diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile index 46edf8444c7e..98771e2a78af 100644 --- a/arch/ia64/lib/Makefile +++ b/arch/ia64/lib/Makefile @@ -11,8 +11,8 @@ lib-y := __divsi3.o __udivsi3.o __modsi3.o __umodsi3.o \ flush.o ip_fast_csum.o do_csum.o \ memset.o strlen.o xor.o -lib-$(CONFIG_ITANIUM) += copy_page.o copy_user.o memcpy.o -lib-$(CONFIG_MCKINLEY) += copy_page_mck.o memcpy_mck.o +obj-$(CONFIG_ITANIUM) += copy_page.o copy_user.o memcpy.o +obj-$(CONFIG_MCKINLEY) += copy_page_mck.o memcpy_mck.o lib-$(CONFIG_PERFMON) += carta_random.o AFLAGS___divdi3.o = diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c index 1682fc639038..655da240d13c 100644 --- a/arch/ia64/mm/tlb.c +++ b/arch/ia64/mm/tlb.c @@ -10,6 +10,7 @@ * IPI based ptc implementation and A-step IPI implementation. * Rohit Seth <rohit.seth@intel.com> * Ken Chen <kenneth.w.chen@intel.com> + * Christophe de Dinechin <ddd@hp.com>: Avoid ptc.e on memory allocation */ #include <linux/module.h> #include <linux/init.h> @@ -89,9 +90,16 @@ ia64_global_tlb_purge (struct mm_struct *mm, unsigned long start, { static DEFINE_SPINLOCK(ptcg_lock); - if (mm != current->active_mm || !current->mm) { - flush_tlb_all(); - return; + struct mm_struct *active_mm = current->active_mm; + + if (mm != active_mm) { + /* Restore region IDs for mm */ + if (mm && active_mm) { + activate_context(mm); + } else { + flush_tlb_all(); + return; + } } /* HW requires global serialization of ptc.ga. */ @@ -107,6 +115,10 @@ ia64_global_tlb_purge (struct mm_struct *mm, unsigned long start, } while (start < end); } spin_unlock(&ptcg_lock); + + if (mm != active_mm) { + activate_context(active_mm); + } } void @@ -180,7 +192,7 @@ ia64_tlb_init (void) long status; if ((status = ia64_pal_vm_page_size(&tr_pgbits, &purge.mask)) != 0) { - printk(KERN_ERR "PAL_VM_PAGE_SIZE failed with status=%ld;" + printk(KERN_ERR "PAL_VM_PAGE_SIZE failed with status=%ld; " "defaulting to architected purge page-sizes.\n", status); purge.mask = 0x115557000UL; } diff --git a/arch/ia64/scripts/unwcheck.py b/arch/ia64/scripts/unwcheck.py index c27849889e19..c27849889e19 100755..100644 --- a/arch/ia64/scripts/unwcheck.py +++ b/arch/ia64/scripts/unwcheck.py diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c index b362d6d6a8c8..9456d4034024 100644 --- a/arch/ia64/sn/kernel/bte.c +++ b/arch/ia64/sn/kernel/bte.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2007 Silicon Graphics, Inc. All Rights Reserved. */ #include <linux/module.h> @@ -227,7 +227,7 @@ retry_bteop: BTE_LNSTAT_LOAD(bte), *bte->most_rcnt_na)); if (transfer_stat & IBLS_ERROR) { - bte_status = transfer_stat & ~IBLS_ERROR; + bte_status = BTE_GET_ERROR_STATUS(transfer_stat); } else { bte_status = BTE_SUCCESS; } diff --git a/arch/ia64/sn/kernel/bte_error.c b/arch/ia64/sn/kernel/bte_error.c index 27c5936ccfe9..4cb09f3f1efc 100644 --- a/arch/ia64/sn/kernel/bte_error.c +++ b/arch/ia64/sn/kernel/bte_error.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2007 Silicon Graphics, Inc. All Rights Reserved. */ #include <linux/types.h> @@ -148,7 +148,11 @@ int shub2_bte_error_handler(unsigned long _nodepda) for (i = 0; i < BTES_PER_NODE; i++) { bte = &err_nodepda->bte_if[i]; status = BTE_LNSTAT_LOAD(bte); - if ((status & IBLS_ERROR) || !(status & IBLS_BUSY)) + if (status & IBLS_ERROR) { + bte->bh_error = BTE_SHUB2_ERROR(status); + continue; + } + if (!(status & IBLS_BUSY)) continue; mod_timer(recovery_timer, jiffies + (HZ * 5)); BTE_PRINTK(("eh:%p:%d Marked Giving up\n", err_nodepda, diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c index 4594770e685a..c4eb84f9e781 100644 --- a/arch/ia64/sn/kernel/io_common.c +++ b/arch/ia64/sn/kernel/io_common.c @@ -347,7 +347,7 @@ sn_common_bus_fixup(struct pci_bus *bus, if (controller->node >= num_online_nodes()) { struct pcibus_bussoft *b = SN_PCIBUS_BUSSOFT(bus); - printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%u" + printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%u " "L_IO=%lx L_MEM=%lx BASE=%lx\n", b->bs_asic_type, b->bs_xid, b->bs_persist_busnum, b->bs_legacy_io, b->bs_legacy_mem, b->bs_base); @@ -545,19 +545,18 @@ sn_io_late_init(void) nasid = NASID_GET(bussoft->bs_base); cnode = nasid_to_cnodeid(nasid); if ((bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP) || - (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCE)) { - /* TIO PCI Bridge: find nearest node with CPUs */ + (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCE) || + (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_PIC)) { + /* PCI Bridge: find nearest node with CPUs */ int e = sn_hwperf_get_nearest_node(cnode, NULL, &near_cnode); if (e < 0) { near_cnode = (cnodeid_t)-1; /* use any node */ - printk(KERN_WARNING "pcibr_bus_fixup: failed " - "to find near node with CPUs to TIO " + printk(KERN_WARNING "sn_io_late_init: failed " + "to find near node with CPUs for " "node %d, err=%d\n", cnode, e); } PCI_CONTROLLER(bus)->node = near_cnode; - } else if (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_PIC) { - PCI_CONTROLLER(bus)->node = cnode; } } diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 1f38a3a68390..bb1d24929640 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -64,7 +64,6 @@ extern void sn_timer_init(void); extern unsigned long last_time_offset; extern void (*ia64_mark_idle) (int); extern void snidle(int); -extern unsigned long long (*ia64_printk_clock)(void); unsigned long sn_rtc_cycles_per_second; EXPORT_SYMBOL(sn_rtc_cycles_per_second); @@ -360,14 +359,6 @@ sn_scan_pcdp(void) static unsigned long sn2_rtc_initial; -static unsigned long long ia64_sn2_printk_clock(void) -{ - unsigned long rtc_now = rtc_time(); - - return (rtc_now - sn2_rtc_initial) * - (1000000000 / sn_rtc_cycles_per_second); -} - /** * sn_setup - SN platform setup routine * @cmdline_p: kernel command line @@ -468,8 +459,6 @@ void __init sn_setup(char **cmdline_p) platform_intr_list[ACPI_INTERRUPT_CPEI] = IA64_CPE_VECTOR; - ia64_printk_clock = ia64_sn2_printk_clock; - printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF); /* diff --git a/arch/ia64/sn/kernel/xp_nofault.S b/arch/ia64/sn/kernel/xp_nofault.S index 54e8973b6e99..98e7c7dbfdd8 100644 --- a/arch/ia64/sn/kernel/xp_nofault.S +++ b/arch/ia64/sn/kernel/xp_nofault.S @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2004-2005 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2004-2007 Silicon Graphics, Inc. All Rights Reserved. */ @@ -14,6 +14,11 @@ * PIO read fails, the MCA handler will force the error to look * corrected and vector to the xp_error_PIOR which will return an error. * + * The definition of "consumption" and the time it takes for an MCA + * to surface is processor implementation specific. This code + * is sufficient on Itanium through the Montvale processor family. + * It may need to be adjusted for future processor implementations. + * * extern int xp_nofault_PIOR(void *remote_register); */ @@ -22,11 +27,10 @@ xp_nofault_PIOR: mov r8=r0 // Stage a success return value ld8.acq r9=[r32];; // PIO Read the specified register adds r9=1,r9;; // Add to force consumption - or r9=r9,r9;; // Or to force consumption + srlz.i;; // Allow time for MCA to surface br.ret.sptk.many b0;; // Return success .global xp_error_PIOR xp_error_PIOR: mov r8=1 // Return value of 1 br.ret.sptk.many b0;; // Return failure - diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c index cee9379d44e0..e1a3e19d3d9c 100644 --- a/arch/ia64/sn/pci/tioce_provider.c +++ b/arch/ia64/sn/pci/tioce_provider.c @@ -41,7 +41,7 @@ * } else * do desired mmr access * - * According to hw, we can use reads instead of writes to the above addres + * According to hw, we can use reads instead of writes to the above address * * Note this WAR can only to be used for accessing internal MMR's in the * TIOCE Coretalk Address Range 0x0 - 0x07ff_ffff. This includes the |