diff options
Diffstat (limited to 'arch/x86/kernel/apic/apic_numachip.c')
| -rw-r--r-- | arch/x86/kernel/apic/apic_numachip.c | 76 |
1 files changed, 23 insertions, 53 deletions
diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c index 09d3d8c1cd9..a5b45df8bc8 100644 --- a/arch/x86/kernel/apic/apic_numachip.c +++ b/arch/x86/kernel/apic/apic_numachip.c @@ -22,15 +22,17 @@ #include <linux/hardirq.h> #include <linux/delay.h> +#include <asm/numachip/numachip.h> #include <asm/numachip/numachip_csr.h> #include <asm/smp.h> #include <asm/apic.h> #include <asm/ipi.h> #include <asm/apic_flat_64.h> +#include <asm/pgtable.h> static int numachip_system __read_mostly; -static struct apic apic_numachip __read_mostly; +static const struct apic apic_numachip __read_mostly; static unsigned int get_apic_id(unsigned long x) { @@ -56,6 +58,12 @@ static unsigned int read_xapic_id(void) return get_apic_id(apic_read(APIC_ID)); } +static int numachip_apic_id_valid(int apicid) +{ + /* Trust what bootloader passes in MADT */ + return 1; +} + static int numachip_apic_id_registered(void) { return physid_isset(read_xapic_id(), phys_cpu_present_map); @@ -66,18 +74,7 @@ static int numachip_phys_pkg_id(int initial_apic_id, int index_msb) return initial_apic_id >> index_msb; } -static const struct cpumask *numachip_target_cpus(void) -{ - return cpu_online_mask; -} - -static void numachip_vector_allocation_domain(int cpu, struct cpumask *retmask) -{ - cpumask_clear(retmask); - cpumask_set_cpu(cpu, retmask); -} - -static int __cpuinit numachip_wakeup_secondary(int phys_apicid, unsigned long start_rip) +static int numachip_wakeup_secondary(int phys_apicid, unsigned long start_rip) { union numachip_csr_g3_ext_irq_gen int_gen; @@ -151,38 +148,6 @@ static void numachip_send_IPI_self(int vector) __default_send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL); } -static unsigned int numachip_cpu_mask_to_apicid(const struct cpumask *cpumask) -{ - int cpu; - - /* - * We're using fixed IRQ delivery, can only return one phys APIC ID. - * May as well be the first. - */ - cpu = cpumask_first(cpumask); - if (likely((unsigned)cpu < nr_cpu_ids)) - return per_cpu(x86_cpu_to_apicid, cpu); - - return BAD_APICID; -} - -static unsigned int -numachip_cpu_mask_to_apicid_and(const struct cpumask *cpumask, - const struct cpumask *andmask) -{ - int cpu; - - /* - * We're using fixed IRQ delivery, can only return one phys APIC ID. - * May as well be the first. - */ - for_each_cpu_and(cpu, cpumask, andmask) { - if (cpumask_test_cpu(cpu, cpu_online_mask)) - break; - } - return per_cpu(x86_cpu_to_apicid, cpu); -} - static int __init numachip_probe(void) { return apic == &apic_numachip; @@ -201,8 +166,11 @@ static void __init map_csrs(void) static void fixup_cpu_id(struct cpuinfo_x86 *c, int node) { - c->phys_proc_id = node; - per_cpu(cpu_llc_id, smp_processor_id()) = node; + + if (c->phys_proc_id != node) { + c->phys_proc_id = node; + per_cpu(cpu_llc_id, smp_processor_id()) = node; + } } static int __init numachip_system_init(void) @@ -213,6 +181,7 @@ static int __init numachip_system_init(void) return 0; x86_cpuinit.fixup_cpu_id = fixup_cpu_id; + x86_init.pci.arch_init = pci_numachip_init; map_csrs(); @@ -233,23 +202,24 @@ static int numachip_acpi_madt_oem_check(char *oem_id, char *oem_table_id) return 0; } -static struct apic apic_numachip __refconst = { +static const struct apic apic_numachip __refconst = { .name = "NumaConnect system", .probe = numachip_probe, .acpi_madt_oem_check = numachip_acpi_madt_oem_check, + .apic_id_valid = numachip_apic_id_valid, .apic_id_registered = numachip_apic_id_registered, .irq_delivery_mode = dest_Fixed, .irq_dest_mode = 0, /* physical */ - .target_cpus = numachip_target_cpus, + .target_cpus = online_target_cpus, .disable_esr = 0, .dest_logical = 0, .check_apicid_used = NULL, .check_apicid_present = NULL, - .vector_allocation_domain = numachip_vector_allocation_domain, + .vector_allocation_domain = default_vector_allocation_domain, .init_apic_ldr = flat_init_apic_ldr, .ioapic_phys_id_map = NULL, @@ -267,8 +237,7 @@ static struct apic apic_numachip __refconst = { .set_apic_id = set_apic_id, .apic_id_mask = 0xffU << 24, - .cpu_mask_to_apicid = numachip_cpu_mask_to_apicid, - .cpu_mask_to_apicid_and = numachip_cpu_mask_to_apicid_and, + .cpu_mask_to_apicid_and = default_cpu_mask_to_apicid_and, .send_IPI_mask = numachip_send_IPI_mask, .send_IPI_mask_allbutself = numachip_send_IPI_mask_allbutself, @@ -279,12 +248,13 @@ static struct apic apic_numachip __refconst = { .wakeup_secondary_cpu = numachip_wakeup_secondary, .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW, .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH, - .wait_for_init_deassert = NULL, + .wait_for_init_deassert = false, .smp_callin_clear_local_apic = NULL, .inquire_remote_apic = NULL, /* REMRD not supported */ .read = native_apic_mem_read, .write = native_apic_mem_write, + .eoi_write = native_apic_mem_write, .icr_read = native_apic_icr_read, .icr_write = native_apic_icr_write, .wait_icr_idle = native_apic_wait_icr_idle, |