diff options
Diffstat (limited to 'arch/ia64')
27 files changed, 62 insertions, 53 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 8186ec5ea151..310cf5781fad 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -126,6 +126,7 @@ config AUDIT_ARCH menuconfig PARAVIRT_GUEST bool "Paravirtualized guest support" + depends on BROKEN help Say Y here to get to see options related to running Linux under various hypervisors. This option alone does not add any kernel code. @@ -138,8 +139,6 @@ config PARAVIRT bool "Enable paravirtualization code" depends on PARAVIRT_GUEST default y - bool - default y help This changes the kernel so it can modify itself when it is run under a hypervisor, potentially improving performance significantly diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig index 954d81e2e837..7913695b2fcb 100644 --- a/arch/ia64/configs/generic_defconfig +++ b/arch/ia64/configs/generic_defconfig @@ -234,5 +234,4 @@ CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRC_T10DIF=y -CONFIG_MISC_DEVICES=y CONFIG_INTEL_IOMMU=y diff --git a/arch/ia64/configs/gensparse_defconfig b/arch/ia64/configs/gensparse_defconfig index 91c41ecfa6d9..f8e913365423 100644 --- a/arch/ia64/configs/gensparse_defconfig +++ b/arch/ia64/configs/gensparse_defconfig @@ -209,4 +209,3 @@ CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y CONFIG_DEBUG_MUTEXES=y CONFIG_CRYPTO_MD5=y -CONFIG_MISC_DEVICES=y diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h index 7d9116600a36..6e6fe1839f5d 100644 --- a/arch/ia64/include/asm/atomic.h +++ b/arch/ia64/include/asm/atomic.h @@ -17,8 +17,8 @@ #include <asm/intrinsics.h> -#define ATOMIC_INIT(i) ((atomic_t) { (i) }) -#define ATOMIC64_INIT(i) ((atomic64_t) { (i) }) +#define ATOMIC_INIT(i) { (i) } +#define ATOMIC64_INIT(i) { (i) } #define atomic_read(v) (*(volatile int *)&(v)->counter) #define atomic64_read(v) (*(volatile long *)&(v)->counter) diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h index b6a809fa2995..105c93b00b1b 100644 --- a/arch/ia64/include/asm/iommu.h +++ b/arch/ia64/include/asm/iommu.h @@ -11,12 +11,10 @@ extern void no_iommu_init(void); extern int force_iommu, no_iommu; extern int iommu_pass_through; extern int iommu_detected; -extern int iommu_group_mf; #else #define iommu_pass_through (0) #define no_iommu (1) #define iommu_detected (0) -#define iommu_group_mf (0) #endif extern void iommu_dma_init(void); extern void machvec_init(const char *name); diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h index b9f82c84f093..ec6c6b301238 100644 --- a/arch/ia64/include/asm/kvm.h +++ b/arch/ia64/include/asm/kvm.h @@ -26,6 +26,7 @@ /* Select x86 specific features in <linux/kvm.h> */ #define __KVM_HAVE_IOAPIC +#define __KVM_HAVE_IRQ_LINE #define __KVM_HAVE_DEVICE_ASSIGNMENT /* Architectural interrupt line count. */ diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h index 367d299d9938..2d1ad4b11a85 100644 --- a/arch/ia64/include/asm/machvec.h +++ b/arch/ia64/include/asm/machvec.h @@ -120,7 +120,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *); # ifdef MACHVEC_PLATFORM_HEADER # include MACHVEC_PLATFORM_HEADER # else -# define platform_name ia64_mv.name +# define ia64_platform_name ia64_mv.name # define platform_setup ia64_mv.setup # define platform_cpu_init ia64_mv.cpu_init # define platform_irq_init ia64_mv.irq_init diff --git a/arch/ia64/include/asm/machvec_dig.h b/arch/ia64/include/asm/machvec_dig.h index 8a0752f40987..1f7403a2fbee 100644 --- a/arch/ia64/include/asm/machvec_dig.h +++ b/arch/ia64/include/asm/machvec_dig.h @@ -10,7 +10,7 @@ extern ia64_mv_setup_t dig_setup; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "dig" +#define ia64_platform_name "dig" #define platform_setup dig_setup #endif /* _ASM_IA64_MACHVEC_DIG_h */ diff --git a/arch/ia64/include/asm/machvec_dig_vtd.h b/arch/ia64/include/asm/machvec_dig_vtd.h index 6ab1de5c45ef..44308b4c3f6e 100644 --- a/arch/ia64/include/asm/machvec_dig_vtd.h +++ b/arch/ia64/include/asm/machvec_dig_vtd.h @@ -11,7 +11,7 @@ extern ia64_mv_dma_init pci_iommu_alloc; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "dig_vtd" +#define ia64_platform_name "dig_vtd" #define platform_setup dig_setup #define platform_dma_init pci_iommu_alloc diff --git a/arch/ia64/include/asm/machvec_hpsim.h b/arch/ia64/include/asm/machvec_hpsim.h index cf72fc87fdfe..e75711279366 100644 --- a/arch/ia64/include/asm/machvec_hpsim.h +++ b/arch/ia64/include/asm/machvec_hpsim.h @@ -11,7 +11,7 @@ extern ia64_mv_irq_init_t hpsim_irq_init; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "hpsim" +#define ia64_platform_name "hpsim" #define platform_setup hpsim_setup #define platform_irq_init hpsim_irq_init diff --git a/arch/ia64/include/asm/machvec_hpzx1.h b/arch/ia64/include/asm/machvec_hpzx1.h index 3bd83d78a412..c74d3159e9eb 100644 --- a/arch/ia64/include/asm/machvec_hpzx1.h +++ b/arch/ia64/include/asm/machvec_hpzx1.h @@ -11,7 +11,7 @@ extern ia64_mv_dma_init sba_dma_init; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "hpzx1" +#define ia64_platform_name "hpzx1" #define platform_setup dig_setup #define platform_dma_init sba_dma_init diff --git a/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h b/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h index 1091ac39740c..906ef6210774 100644 --- a/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h +++ b/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h @@ -11,7 +11,7 @@ extern ia64_mv_dma_get_ops hwsw_dma_get_ops; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "hpzx1_swiotlb" +#define ia64_platform_name "hpzx1_swiotlb" #define platform_setup dig_setup #define platform_dma_init machvec_noop #define platform_dma_get_ops hwsw_dma_get_ops diff --git a/arch/ia64/include/asm/machvec_sn2.h b/arch/ia64/include/asm/machvec_sn2.h index f061a30aac42..ece9fa85be88 100644 --- a/arch/ia64/include/asm/machvec_sn2.h +++ b/arch/ia64/include/asm/machvec_sn2.h @@ -71,7 +71,7 @@ extern ia64_mv_pci_fixup_bus_t sn_pci_fixup_bus; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "sn2" +#define ia64_platform_name "sn2" #define platform_setup sn_setup #define platform_cpu_init sn_cpu_init #define platform_irq_init sn_irq_init diff --git a/arch/ia64/include/asm/machvec_uv.h b/arch/ia64/include/asm/machvec_uv.h index 2931447f3813..2c50853f35ac 100644 --- a/arch/ia64/include/asm/machvec_uv.h +++ b/arch/ia64/include/asm/machvec_uv.h @@ -20,7 +20,7 @@ extern ia64_mv_setup_t uv_setup; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "uv" +#define ia64_platform_name "uv" #define platform_setup uv_setup #endif /* _ASM_IA64_MACHVEC_UV_H */ diff --git a/arch/ia64/include/asm/machvec_xen.h b/arch/ia64/include/asm/machvec_xen.h index 55f9228056cd..8b8bd0eb3923 100644 --- a/arch/ia64/include/asm/machvec_xen.h +++ b/arch/ia64/include/asm/machvec_xen.h @@ -13,7 +13,7 @@ extern ia64_mv_send_ipi_t xen_platform_send_ipi; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "xen" +#define ia64_platform_name "xen" #define platform_setup dig_setup #define platform_cpu_init xen_cpu_init #define platform_irq_init xen_irq_init diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h index 832dd3789e9d..944152a50912 100644 --- a/arch/ia64/include/asm/processor.h +++ b/arch/ia64/include/asm/processor.h @@ -719,7 +719,7 @@ enum idle_boot_override {IDLE_NO_OVERRIDE=0, IDLE_HALT, IDLE_FORCE_MWAIT, void default_idle(void); -#define ia64_platform_is(x) (strcmp(x, platform_name) == 0) +#define ia64_platform_is(x) (strcmp(x, ia64_platform_name) == 0) #endif /* !__ASSEMBLY__ */ diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 6f38b6120d96..440578850ae5 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -497,7 +497,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) srat_num_cpus++; } -void __init +int __init acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) { unsigned long paddr, size; @@ -512,7 +512,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) /* Ignore disabled entries */ if (!(ma->flags & ACPI_SRAT_MEM_ENABLED)) - return; + return -1; /* record this node in proximity bitmap */ pxm_bit_set(pxm); @@ -531,6 +531,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) p->size = size; p->nid = pxm; num_node_memblks++; + return 0; } void __init acpi_numa_arch_fixup(void) diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index 7f4a0ed24152..5b7791dd3965 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c @@ -12,7 +12,7 @@ EXPORT_SYMBOL(memset); EXPORT_SYMBOL(memcpy); EXPORT_SYMBOL(strlen); -#include<asm/pgtable.h> +#include <asm/pgtable.h> EXPORT_SYMBOL_GPL(empty_zero_page); #include <asm/checksum.h> diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 5c3e0888265a..1034884b77da 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -23,7 +23,6 @@ #include <linux/ioport.h> #include <linux/kernel_stat.h> #include <linux/ptrace.h> -#include <linux/random.h> /* for rand_initialize_irq() */ #include <linux/signal.h> #include <linux/smp.h> #include <linux/threads.h> diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c index 7cdc89b2483c..1ddcfe5ef353 100644 --- a/arch/ia64/kernel/pci-dma.c +++ b/arch/ia64/kernel/pci-dma.c @@ -32,7 +32,6 @@ int force_iommu __read_mostly; #endif int iommu_pass_through; -int iommu_group_mf; /* Dummy device used for NULL arguments (normally ISA). Better would be probably a smaller DMA mask, but this is bug-to-bug compatible diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index d7f558c1e711..3fa4bc536953 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -2353,7 +2353,6 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t */ insert_vm_struct(mm, vma); - mm->total_vm += size >> PAGE_SHIFT; vm_stat_account(vma->vm_mm, vma->vm_flags, vma->vm_file, vma_pages(vma)); up_write(&task->mm->mmap_sem); diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 1113b8aba07f..963d2db53bfa 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -382,7 +382,6 @@ smp_callin (void) set_numa_node(cpu_to_node_map[cpuid]); set_numa_mem(local_memory_node(cpu_to_node_map[cpuid])); - ipi_call_lock_irq(); spin_lock(&vector_lock); /* Setup the per cpu irq handling data structures */ __setup_vector_irq(cpuid); @@ -390,7 +389,6 @@ smp_callin (void) set_cpu_online(cpuid, true); per_cpu(cpu_state, cpuid) = CPU_ONLINE; spin_unlock(&vector_lock); - ipi_call_unlock_irq(); smp_setup_percpu_timer(); diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig index 9806e55f91be..e7947528aee6 100644 --- a/arch/ia64/kvm/Kconfig +++ b/arch/ia64/kvm/Kconfig @@ -19,9 +19,11 @@ if VIRTUALIZATION config KVM tristate "Kernel-based Virtual Machine (KVM) support" + depends on BROKEN depends on HAVE_KVM && MODULES && EXPERIMENTAL # for device assignment: depends on PCI + depends on BROKEN select PREEMPT_NOTIFIERS select ANON_INODES select HAVE_KVM_IRQCHIP diff --git a/arch/ia64/kvm/vmm.c b/arch/ia64/kvm/vmm.c index f0b9cac82414..176a12cd56de 100644 --- a/arch/ia64/kvm/vmm.c +++ b/arch/ia64/kvm/vmm.c @@ -20,9 +20,9 @@ */ -#include<linux/kernel.h> -#include<linux/module.h> -#include<asm/fpswa.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <asm/fpswa.h> #include "vcpu.h" diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index 02d29c2a132a..8443daf4f515 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -72,6 +72,10 @@ mapped_kernel_page_is_present (unsigned long address) return pte_present(pte); } +# define VM_READ_BIT 0 +# define VM_WRITE_BIT 1 +# define VM_EXEC_BIT 2 + void __kprobes ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *regs) { @@ -81,6 +85,12 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re struct siginfo si; unsigned long mask; int fault; + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + + mask = ((((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT) + | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT)); + + flags |= ((mask & VM_WRITE) ? FAULT_FLAG_WRITE : 0); /* mmap_sem is performance critical.... */ prefetchw(&mm->mmap_sem); @@ -109,6 +119,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re if (notify_page_fault(regs, TRAP_BRKPT)) return; +retry: down_read(&mm->mmap_sem); vma = find_vma_prev(mm, address, &prev_vma); @@ -130,10 +141,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re /* OK, we've got a good vm_area for this memory area. Check the access permissions: */ -# define VM_READ_BIT 0 -# define VM_WRITE_BIT 1 -# define VM_EXEC_BIT 2 - # if (((1 << VM_READ_BIT) != VM_READ || (1 << VM_WRITE_BIT) != VM_WRITE) \ || (1 << VM_EXEC_BIT) != VM_EXEC) # error File is out of sync with <linux/mm.h>. Please update. @@ -142,9 +149,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re if (((isr >> IA64_ISR_R_BIT) & 1UL) && (!(vma->vm_flags & (VM_READ | VM_WRITE)))) goto bad_area; - mask = ( (((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT) - | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT)); - if ((vma->vm_flags & mask) != mask) goto bad_area; @@ -153,7 +157,11 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re * sure we exit gracefully rather than endlessly redo the * fault. */ - fault = handle_mm_fault(mm, vma, address, (mask & VM_WRITE) ? FAULT_FLAG_WRITE : 0); + fault = handle_mm_fault(mm, vma, address, flags); + + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + return; + if (unlikely(fault & VM_FAULT_ERROR)) { /* * We ran out of memory, or some other thing happened @@ -168,10 +176,24 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re } BUG(); } - if (fault & VM_FAULT_MAJOR) - current->maj_flt++; - else - current->min_flt++; + + if (flags & FAULT_FLAG_ALLOW_RETRY) { + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; + if (fault & VM_FAULT_RETRY) { + flags &= ~FAULT_FLAG_ALLOW_RETRY; + + /* No need to up_read(&mm->mmap_sem) as we would + * have already released it in __lock_page_or_retry + * in mm/filemap.c. + */ + + goto retry; + } + } + up_read(&mm->mmap_sem); return; diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c index f5959c0c1810..eab28e314022 100644 --- a/arch/ia64/pci/fixup.c +++ b/arch/ia64/pci/fixup.c @@ -30,8 +30,8 @@ static void __devinit pci_fixup_video(struct pci_dev *pdev) struct pci_bus *bus; u16 config; - if ((strcmp(platform_name, "dig") != 0) - && (strcmp(platform_name, "hpzx1") != 0)) + if ((strcmp(ia64_platform_name, "dig") != 0) + && (strcmp(ia64_platform_name, "hpzx1") != 0)) return; /* Maybe, this machine supports legacy memory map. */ diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 524df4295c90..81acc7a57f3e 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -351,6 +351,8 @@ pci_acpi_scan_root(struct acpi_pci_root *root) #endif INIT_LIST_HEAD(&info.resources); + /* insert busn resource at first */ + pci_add_resource(&info.resources, &root->secondary); acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window, &windows); if (windows) { @@ -384,7 +386,7 @@ pci_acpi_scan_root(struct acpi_pci_root *root) return NULL; } - pbus->subordinate = pci_scan_child_bus(pbus); + pci_scan_child_bus(pbus); return pbus; out3: @@ -496,15 +498,6 @@ pcibios_align_resource (void *data, const struct resource *res, return res->start; } -/* - * PCI BIOS setup, always defaults to SAL interface - */ -char * __init -pcibios_setup (char *str) -{ - return str; -} - int pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine) |