diff options
Diffstat (limited to 'arch/ia64')
-rw-r--r-- | arch/ia64/hp/sim/hpsim_irq.c | 3 | ||||
-rw-r--r-- | arch/ia64/include/asm/paravirt_privop.h | 2 | ||||
-rw-r--r-- | arch/ia64/include/asm/smp.h | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/acpi.c | 5 | ||||
-rw-r--r-- | arch/ia64/kernel/cyclone.c | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/iosapic.c | 10 | ||||
-rw-r--r-- | arch/ia64/kernel/msi_ia64.c | 16 | ||||
-rw-r--r-- | arch/ia64/kernel/smp.c | 14 | ||||
-rw-r--r-- | arch/ia64/kernel/time.c | 4 | ||||
-rw-r--r-- | arch/ia64/kvm/kvm-ia64.c | 14 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/irq.c | 4 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/msi_sn.c | 8 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/sn2/timer.c | 2 |
13 files changed, 48 insertions, 38 deletions
diff --git a/arch/ia64/hp/sim/hpsim_irq.c b/arch/ia64/hp/sim/hpsim_irq.c index cc0a3182db3..acb5047ab57 100644 --- a/arch/ia64/hp/sim/hpsim_irq.c +++ b/arch/ia64/hp/sim/hpsim_irq.c @@ -21,9 +21,10 @@ hpsim_irq_noop (unsigned int irq) { } -static void +static int hpsim_set_affinity_noop(unsigned int a, const struct cpumask *b) { + return 0; } static struct hw_interrupt_type irq_type_hp_sim = { diff --git a/arch/ia64/include/asm/paravirt_privop.h b/arch/ia64/include/asm/paravirt_privop.h index 3d2951130b5..8f6cb11c9fa 100644 --- a/arch/ia64/include/asm/paravirt_privop.h +++ b/arch/ia64/include/asm/paravirt_privop.h @@ -445,7 +445,6 @@ paravirt_set_rr0_to_rr4(unsigned long val0, unsigned long val1, register unsigned long ia64_intri_res asm ("r8"); \ register unsigned long __reg asm ("r8") = (reg); \ \ - BUILD_BUG_ON(!__builtin_constant_p(reg)); \ asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \ PARAVIRT_TYPE(GETREG) \ + (reg)) \ @@ -464,7 +463,6 @@ paravirt_set_rr0_to_rr4(unsigned long val0, unsigned long val1, register unsigned long ia64_clobber1 asm ("r8"); \ register unsigned long ia64_clobber2 asm ("r9"); \ \ - BUILD_BUG_ON(!__builtin_constant_p(reg)); \ asm volatile (paravirt_alt_bundle(__PARAVIRT_BR, \ PARAVIRT_TYPE(SETREG) \ + (reg)) \ diff --git a/arch/ia64/include/asm/smp.h b/arch/ia64/include/asm/smp.h index 59840833625..d217d1d4e05 100644 --- a/arch/ia64/include/asm/smp.h +++ b/arch/ia64/include/asm/smp.h @@ -58,7 +58,7 @@ extern struct smp_boot_data { extern char no_int_routing __devinitdata; extern cpumask_t cpu_core_map[NR_CPUS]; -DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); +DECLARE_PER_CPU_SHARED_ALIGNED(cpumask_t, cpu_sibling_map); extern int smp_num_siblings; extern void __iomem *ipi_base_addr; extern unsigned char smp_int_redirect; diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 5510317db37..baec6f00f7f 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -636,7 +636,7 @@ void __init acpi_numa_arch_fixup(void) * success: return IRQ number (>=0) * failure: return < 0 */ -int acpi_register_gsi(u32 gsi, int triggering, int polarity) +int acpi_register_gsi(struct device *dev, u32 gsi, int triggering, int polarity) { if (acpi_irq_model == ACPI_IRQ_MODEL_PLATFORM) return gsi; @@ -678,7 +678,8 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table) fadt = (struct acpi_table_fadt *)fadt_header; - acpi_register_gsi(fadt->sci_interrupt, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW); + acpi_register_gsi(NULL, fadt->sci_interrupt, ACPI_LEVEL_SENSITIVE, + ACPI_ACTIVE_LOW); return 0; } diff --git a/arch/ia64/kernel/cyclone.c b/arch/ia64/kernel/cyclone.c index 790ef0d87e1..71e35864d2e 100644 --- a/arch/ia64/kernel/cyclone.c +++ b/arch/ia64/kernel/cyclone.c @@ -21,7 +21,7 @@ void __init cyclone_setup(void) static void __iomem *cyclone_mc; -static cycle_t read_cyclone(void) +static cycle_t read_cyclone(struct clocksource *cs) { return (cycle_t)readq((void __iomem *)cyclone_mc); } diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index 166e0d839fa..f92cef47bf8 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -329,7 +329,7 @@ unmask_irq (unsigned int irq) } -static void +static int iosapic_set_affinity(unsigned int irq, const struct cpumask *mask) { #ifdef CONFIG_SMP @@ -343,15 +343,15 @@ iosapic_set_affinity(unsigned int irq, const struct cpumask *mask) cpu = cpumask_first_and(cpu_online_mask, mask); if (cpu >= nr_cpu_ids) - return; + return -1; if (irq_prepare_move(irq, cpu)) - return; + return -1; dest = cpu_physical_id(cpu); if (!iosapic_intr_info[irq].count) - return; /* not an IOSAPIC interrupt */ + return -1; /* not an IOSAPIC interrupt */ set_irq_affinity_info(irq, dest, redir); @@ -376,7 +376,9 @@ iosapic_set_affinity(unsigned int irq, const struct cpumask *mask) iosapic_write(iosapic, IOSAPIC_RTE_HIGH(rte_index), high32); iosapic_write(iosapic, IOSAPIC_RTE_LOW(rte_index), low32); } + #endif + return 0; } /* diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c index 2b15e233f7f..0f8ade9331b 100644 --- a/arch/ia64/kernel/msi_ia64.c +++ b/arch/ia64/kernel/msi_ia64.c @@ -12,7 +12,7 @@ static struct irq_chip ia64_msi_chip; #ifdef CONFIG_SMP -static void ia64_set_msi_irq_affinity(unsigned int irq, +static int ia64_set_msi_irq_affinity(unsigned int irq, const cpumask_t *cpu_mask) { struct msi_msg msg; @@ -20,10 +20,10 @@ static void ia64_set_msi_irq_affinity(unsigned int irq, int cpu = first_cpu(*cpu_mask); if (!cpu_online(cpu)) - return; + return -1; if (irq_prepare_move(irq, cpu)) - return; + return -1; read_msi_msg(irq, &msg); @@ -39,6 +39,8 @@ static void ia64_set_msi_irq_affinity(unsigned int irq, write_msi_msg(irq, &msg); cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu)); + + return 0; } #endif /* CONFIG_SMP */ @@ -130,17 +132,17 @@ void arch_teardown_msi_irq(unsigned int irq) #ifdef CONFIG_DMAR #ifdef CONFIG_SMP -static void dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask) +static int dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask) { struct irq_cfg *cfg = irq_cfg + irq; struct msi_msg msg; int cpu = cpumask_first(mask); if (!cpu_online(cpu)) - return; + return -1; if (irq_prepare_move(irq, cpu)) - return; + return -1; dmar_msi_read(irq, &msg); @@ -151,6 +153,8 @@ static void dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask) dmar_msi_write(irq, &msg); cpumask_copy(irq_desc[irq].affinity, mask); + + return 0; } #endif /* CONFIG_SMP */ diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c index 2ea4199d9c5..5230eaafd83 100644 --- a/arch/ia64/kernel/smp.c +++ b/arch/ia64/kernel/smp.c @@ -225,6 +225,7 @@ smp_send_reschedule (int cpu) { platform_send_ipi(cpu, IA64_IPI_RESCHEDULE, IA64_IPI_DM_INT, 0); } +EXPORT_SYMBOL_GPL(smp_send_reschedule); /* * Called with preemption disabled. @@ -300,15 +301,12 @@ smp_flush_tlb_mm (struct mm_struct *mm) return; } + smp_call_function_mask(mm->cpu_vm_mask, + (void (*)(void *))local_finish_flush_tlb_mm, mm, 1); + local_irq_disable(); + local_finish_flush_tlb_mm(mm); + local_irq_enable(); preempt_enable(); - /* - * We could optimize this further by using mm->cpu_vm_mask to track which CPUs - * have been running in the address space. It's not clear that this is worth the - * trouble though: to avoid races, we have to raise the IPI on the target CPU - * anyhow, and once a CPU is interrupted, the cost of local_flush_tlb_all() is - * rather trivial. - */ - on_each_cpu((void (*)(void *))local_finish_flush_tlb_mm, mm, 1); } void arch_send_call_function_single_ipi(int cpu) diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 641c8b61c4f..604c1a35db3 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -33,7 +33,7 @@ #include "fsyscall_gtod_data.h" -static cycle_t itc_get_cycles(void); +static cycle_t itc_get_cycles(struct clocksource *cs); struct fsyscall_gtod_data_t fsyscall_gtod_data = { .lock = SEQLOCK_UNLOCKED, @@ -383,7 +383,7 @@ ia64_init_itm (void) } } -static cycle_t itc_get_cycles(void) +static cycle_t itc_get_cycles(struct clocksource *cs) { u64 lcycle, now, ret; diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 28af6a731bb..d20a5db4c4d 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -610,20 +610,22 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) int r; again: - preempt_disable(); - local_irq_disable(); - if (signal_pending(current)) { - local_irq_enable(); - preempt_enable(); r = -EINTR; kvm_run->exit_reason = KVM_EXIT_INTR; goto out; } + /* + * down_read() may sleep and return with interrupts enabled + */ + down_read(&vcpu->kvm->slots_lock); + + preempt_disable(); + local_irq_disable(); + vcpu->guest_mode = 1; kvm_guest_enter(); - down_read(&vcpu->kvm->slots_lock); r = vti_vcpu_run(vcpu, kvm_run); if (r < 0) { local_irq_enable(); diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c index 66fd705e82c..764f26abac0 100644 --- a/arch/ia64/sn/kernel/irq.c +++ b/arch/ia64/sn/kernel/irq.c @@ -227,7 +227,7 @@ finish_up: return new_irq_info; } -static void sn_set_affinity_irq(unsigned int irq, const struct cpumask *mask) +static int sn_set_affinity_irq(unsigned int irq, const struct cpumask *mask) { struct sn_irq_info *sn_irq_info, *sn_irq_info_safe; nasid_t nasid; @@ -239,6 +239,8 @@ static void sn_set_affinity_irq(unsigned int irq, const struct cpumask *mask) list_for_each_entry_safe(sn_irq_info, sn_irq_info_safe, sn_irq_lh[irq], list) (void)sn_retarget_vector(sn_irq_info, nasid, slice); + + return 0; } #ifdef CONFIG_SMP diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c index 81e428943d7..fbbfb970120 100644 --- a/arch/ia64/sn/kernel/msi_sn.c +++ b/arch/ia64/sn/kernel/msi_sn.c @@ -151,7 +151,7 @@ int sn_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *entry) } #ifdef CONFIG_SMP -static void sn_set_msi_irq_affinity(unsigned int irq, +static int sn_set_msi_irq_affinity(unsigned int irq, const struct cpumask *cpu_mask) { struct msi_msg msg; @@ -168,7 +168,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpu = cpumask_first(cpu_mask); sn_irq_info = sn_msi_info[irq].sn_irq_info; if (sn_irq_info == NULL || sn_irq_info->irq_int_bit >= 0) - return; + return -1; /* * Release XIO resources for the old MSI PCI address @@ -189,7 +189,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, new_irq_info = sn_retarget_vector(sn_irq_info, nasid, slice); sn_msi_info[irq].sn_irq_info = new_irq_info; if (new_irq_info == NULL) - return; + return -1; /* * Map the xio address into bus space @@ -206,6 +206,8 @@ static void sn_set_msi_irq_affinity(unsigned int irq, write_msi_msg(irq, &msg); cpumask_copy(irq_desc[irq].affinity, cpu_mask); + + return 0; } #endif /* CONFIG_SMP */ diff --git a/arch/ia64/sn/kernel/sn2/timer.c b/arch/ia64/sn/kernel/sn2/timer.c index cf67fc56205..21d6f09e344 100644 --- a/arch/ia64/sn/kernel/sn2/timer.c +++ b/arch/ia64/sn/kernel/sn2/timer.c @@ -23,7 +23,7 @@ extern unsigned long sn_rtc_cycles_per_second; -static cycle_t read_sn2(void) +static cycle_t read_sn2(struct clocksource *cs) { return (cycle_t)readq(RTC_COUNTER_ADDR); } |