diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/apic.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/intel_cacheinfo.c | 15 | ||||
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/io_apic.c | 5 | ||||
| -rw-r--r-- | arch/x86/kernel/irqinit_32.c | 12 | ||||
| -rw-r--r-- | arch/x86/mach-default/setup.c | 12 | ||||
| -rw-r--r-- | arch/x86/mach-voyager/setup.c | 12 | ||||
| -rw-r--r-- | arch/x86/mach-voyager/voyager_smp.c | 25 | ||||
| -rw-r--r-- | arch/x86/xen/multicalls.h | 4 | ||||
| -rw-r--r-- | kernel/irq/numa_migrate.c | 7 |
11 files changed, 65 insertions, 31 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 5bff376d297c..e022a5d04473 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4841,6 +4841,7 @@ P: Ingo Molnar M: mingo@redhat.com P: H. Peter Anvin M: hpa@zytor.com +M: x86@kernel.org L: linux-kernel@vger.kernel.org T: git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git S: Maintained diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index 4b6df2469fe3..115449f869ee 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -1436,7 +1436,7 @@ static int __init detect_init_APIC(void) switch (boot_cpu_data.x86_vendor) { case X86_VENDOR_AMD: if ((boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model > 1) || - (boot_cpu_data.x86 == 15)) + (boot_cpu_data.x86 >= 15)) break; goto no_apic; case X86_VENDOR_INTEL: diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index 48533d77be78..da299eb85fc0 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -36,8 +36,11 @@ static struct _cache_table cache_table[] __cpuinitdata = { { 0x06, LVL_1_INST, 8 }, /* 4-way set assoc, 32 byte line size */ { 0x08, LVL_1_INST, 16 }, /* 4-way set assoc, 32 byte line size */ + { 0x09, LVL_1_INST, 32 }, /* 4-way set assoc, 64 byte line size */ { 0x0a, LVL_1_DATA, 8 }, /* 2 way set assoc, 32 byte line size */ { 0x0c, LVL_1_DATA, 16 }, /* 4-way set assoc, 32 byte line size */ + { 0x0d, LVL_1_DATA, 16 }, /* 4-way set assoc, 64 byte line size */ + { 0x21, LVL_2, 256 }, /* 8-way set assoc, 64 byte line size */ { 0x22, LVL_3, 512 }, /* 4-way set assoc, sectored cache, 64 byte line size */ { 0x23, LVL_3, 1024 }, /* 8-way set assoc, sectored cache, 64 byte line size */ { 0x25, LVL_3, 2048 }, /* 8-way set assoc, sectored cache, 64 byte line size */ @@ -85,6 +88,18 @@ static struct _cache_table cache_table[] __cpuinitdata = { 0x85, LVL_2, 2048 }, /* 8-way set assoc, 32 byte line size */ { 0x86, LVL_2, 512 }, /* 4-way set assoc, 64 byte line size */ { 0x87, LVL_2, 1024 }, /* 8-way set assoc, 64 byte line size */ + { 0xd0, LVL_3, 512 }, /* 4-way set assoc, 64 byte line size */ + { 0xd1, LVL_3, 1024 }, /* 4-way set assoc, 64 byte line size */ + { 0xd2, LVL_3, 2048 }, /* 4-way set assoc, 64 byte line size */ + { 0xd6, LVL_3, 1024 }, /* 8-way set assoc, 64 byte line size */ + { 0xd7, LVL_3, 2038 }, /* 8-way set assoc, 64 byte line size */ + { 0xd8, LVL_3, 4096 }, /* 12-way set assoc, 64 byte line size */ + { 0xdc, LVL_3, 2048 }, /* 12-way set assoc, 64 byte line size */ + { 0xdd, LVL_3, 4096 }, /* 12-way set assoc, 64 byte line size */ + { 0xde, LVL_3, 8192 }, /* 12-way set assoc, 64 byte line size */ + { 0xe2, LVL_3, 2048 }, /* 16-way set assoc, 64 byte line size */ + { 0xe3, LVL_3, 4096 }, /* 16-way set assoc, 64 byte line size */ + { 0xe4, LVL_3, 8192 }, /* 16-way set assoc, 64 byte line size */ { 0x00, 0, 0} }; diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index e28c7a987793..a1346217e43c 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -346,6 +346,7 @@ ENTRY(save_args) popq_cfi %rax /* move return address... */ mov %gs:pda_irqstackptr,%rsp EMPTY_FRAME 0 + pushq_cfi %rbp /* backlink for unwinder */ pushq_cfi %rax /* ... to the new stack */ /* * We entered an interrupt context - irqs are off: diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 1c4a1302536c..9b0c480c383b 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -2528,14 +2528,15 @@ static void irq_complete_move(struct irq_desc **descp) vector = ~get_irq_regs()->orig_ax; me = smp_processor_id(); + + if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain)) { #ifdef CONFIG_NUMA_MIGRATE_IRQ_DESC *descp = desc = move_irq_desc(desc, me); /* get the new one */ cfg = desc->chip_data; #endif - - if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain)) send_cleanup_vector(cfg); + } } #else static inline void irq_complete_move(struct irq_desc **descp) {} diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c index 1507ad4e674d..10a09c2f1828 100644 --- a/arch/x86/kernel/irqinit_32.c +++ b/arch/x86/kernel/irqinit_32.c @@ -78,15 +78,6 @@ void __init init_ISA_irqs(void) } } -/* - * IRQ2 is cascade interrupt to second interrupt controller - */ -static struct irqaction irq2 = { - .handler = no_action, - .mask = CPU_MASK_NONE, - .name = "cascade", -}; - DEFINE_PER_CPU(vector_irq_t, vector_irq) = { [0 ... IRQ0_VECTOR - 1] = -1, [IRQ0_VECTOR] = 0, @@ -178,9 +169,6 @@ void __init native_init_IRQ(void) alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); #endif - if (!acpi_ioapic) - setup_irq(2, &irq2); - /* setup after call gates are initialised (usually add in * the architecture specific gates) */ diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c index df167f265622..a265a7c63190 100644 --- a/arch/x86/mach-default/setup.c +++ b/arch/x86/mach-default/setup.c @@ -38,6 +38,15 @@ void __init pre_intr_init_hook(void) init_ISA_irqs(); } +/* + * IRQ2 is cascade interrupt to second interrupt controller + */ +static struct irqaction irq2 = { + .handler = no_action, + .mask = CPU_MASK_NONE, + .name = "cascade", +}; + /** * intr_init_hook - post gate setup interrupt initialisation * @@ -53,6 +62,9 @@ void __init intr_init_hook(void) if (x86_quirks->arch_intr_init()) return; } + if (!acpi_ioapic) + setup_irq(2, &irq2); + } /** diff --git a/arch/x86/mach-voyager/setup.c b/arch/x86/mach-voyager/setup.c index a580b9562e76..d914a7996a66 100644 --- a/arch/x86/mach-voyager/setup.c +++ b/arch/x86/mach-voyager/setup.c @@ -33,13 +33,23 @@ void __init intr_init_hook(void) setup_irq(2, &irq2); } -void __init pre_setup_arch_hook(void) +static void voyager_disable_tsc(void) { /* Voyagers run their CPUs from independent clocks, so disable * the TSC code because we can't sync them */ setup_clear_cpu_cap(X86_FEATURE_TSC); } +void __init pre_setup_arch_hook(void) +{ + voyager_disable_tsc(); +} + +void __init pre_time_init_hook(void) +{ + voyager_disable_tsc(); +} + void __init trap_init_hook(void) { } diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c index 9840b7ec749a..7ffcdeec4631 100644 --- a/arch/x86/mach-voyager/voyager_smp.c +++ b/arch/x86/mach-voyager/voyager_smp.c @@ -81,7 +81,7 @@ static void enable_local_vic_irq(unsigned int irq); static void disable_local_vic_irq(unsigned int irq); static void before_handle_vic_irq(unsigned int irq); static void after_handle_vic_irq(unsigned int irq); -static void set_vic_irq_affinity(unsigned int irq, cpumask_t mask); +static void set_vic_irq_affinity(unsigned int irq, const struct cpumask *mask); static void ack_vic_irq(unsigned int irq); static void vic_enable_cpi(void); static void do_boot_cpu(__u8 cpuid); @@ -211,8 +211,6 @@ static __u32 cpu_booted_map; static cpumask_t smp_commenced_mask = CPU_MASK_NONE; /* This is for the new dynamic CPU boot code */ -cpumask_t cpu_callin_map = CPU_MASK_NONE; -cpumask_t cpu_callout_map = CPU_MASK_NONE; /* The per processor IRQ masks (these are usually kept in sync) */ static __u16 vic_irq_mask[NR_CPUS] __cacheline_aligned; @@ -378,7 +376,7 @@ void __init find_smp_config(void) cpus_addr(phys_cpu_present_map)[0] |= voyager_extended_cmos_read(VOYAGER_PROCESSOR_PRESENT_MASK + 3) << 24; - cpu_possible_map = phys_cpu_present_map; + init_cpu_possible(&phys_cpu_present_map); printk("VOYAGER SMP: phys_cpu_present_map = 0x%lx\n", cpus_addr(phys_cpu_present_map)[0]); /* Here we set up the VIC to enable SMP */ @@ -1599,16 +1597,16 @@ static void after_handle_vic_irq(unsigned int irq) * change the mask and then do an interrupt enable CPI to re-enable on * the selected processors */ -void set_vic_irq_affinity(unsigned int irq, cpumask_t mask) +void set_vic_irq_affinity(unsigned int irq, const struct cpumask *mask) { /* Only extended processors handle interrupts */ unsigned long real_mask; unsigned long irq_mask = 1 << irq; int cpu; - real_mask = cpus_addr(mask)[0] & voyager_extended_vic_processors; + real_mask = cpus_addr(*mask)[0] & voyager_extended_vic_processors; - if (cpus_addr(mask)[0] == 0) + if (cpus_addr(*mask)[0] == 0) /* can't have no CPUs to accept the interrupt -- extremely * bad things will happen */ return; @@ -1750,10 +1748,11 @@ static void __cpuinit voyager_smp_prepare_boot_cpu(void) init_gdt(smp_processor_id()); switch_to_new_gdt(); - cpu_set(smp_processor_id(), cpu_online_map); - cpu_set(smp_processor_id(), cpu_callout_map); - cpu_set(smp_processor_id(), cpu_possible_map); - cpu_set(smp_processor_id(), cpu_present_map); + cpu_online_map = cpumask_of_cpu(smp_processor_id()); + cpu_callout_map = cpumask_of_cpu(smp_processor_id()); + cpu_callin_map = CPU_MASK_NONE; + cpu_present_map = cpumask_of_cpu(smp_processor_id()); + } static int __cpuinit voyager_cpu_up(unsigned int cpu) @@ -1783,9 +1782,9 @@ void __init smp_setup_processor_id(void) x86_write_percpu(cpu_number, hard_smp_processor_id()); } -static void voyager_send_call_func(cpumask_t callmask) +static void voyager_send_call_func(const struct cpumask *callmask) { - __u32 mask = cpus_addr(callmask)[0] & ~(1 << smp_processor_id()); + __u32 mask = cpus_addr(*callmask)[0] & ~(1 << smp_processor_id()); send_CPI(mask, VIC_CALL_FUNCTION_CPI); } diff --git a/arch/x86/xen/multicalls.h b/arch/x86/xen/multicalls.h index 858938241616..fa3e10725d98 100644 --- a/arch/x86/xen/multicalls.h +++ b/arch/x86/xen/multicalls.h @@ -19,8 +19,10 @@ DECLARE_PER_CPU(unsigned long, xen_mc_irq_flags); paired with xen_mc_issue() */ static inline void xen_mc_batch(void) { + unsigned long flags; /* need to disable interrupts until this entry is complete */ - local_irq_save(__get_cpu_var(xen_mc_irq_flags)); + local_irq_save(flags); + __get_cpu_var(xen_mc_irq_flags) = flags; } static inline struct multicall_space xen_mc_entry(size_t args) diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c index ecf765c6a77a..acd88356ac76 100644 --- a/kernel/irq/numa_migrate.c +++ b/kernel/irq/numa_migrate.c @@ -71,7 +71,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc, desc = irq_desc_ptrs[irq]; if (desc && old_desc != desc) - goto out_unlock; + goto out_unlock; node = cpu_to_node(cpu); desc = kzalloc_node(sizeof(*desc), GFP_ATOMIC, node); @@ -84,10 +84,15 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc, init_copy_one_irq_desc(irq, old_desc, desc, cpu); irq_desc_ptrs[irq] = desc; + spin_unlock_irqrestore(&sparse_irq_lock, flags); /* free the old one */ free_one_irq_desc(old_desc, desc); + spin_unlock(&old_desc->lock); kfree(old_desc); + spin_lock(&desc->lock); + + return desc; out_unlock: spin_unlock_irqrestore(&sparse_irq_lock, flags); |