diff options
| -rw-r--r-- | arch/x86/kernel/apic/apic_flat_64.c | 10 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/probe_64.c | 22 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_cluster.c | 7 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_phys.c | 10 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 7 |
5 files changed, 37 insertions, 19 deletions
diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c index 5652d31fe10..025921f03eb 100644 --- a/arch/x86/kernel/apic/apic_flat_64.c +++ b/arch/x86/kernel/apic/apic_flat_64.c @@ -312,10 +312,18 @@ physflat_cpu_mask_to_apicid_and(const struct cpumask *cpumask, return per_cpu(x86_cpu_to_apicid, cpu); } +static int physflat_probe(void) +{ + if (apic == &apic_physflat || num_possible_cpus() > 8) + return 1; + + return 0; +} + struct apic apic_physflat = { .name = "physical flat", - .probe = NULL, + .probe = physflat_probe, .acpi_madt_oem_check = physflat_acpi_madt_oem_check, .apic_id_registered = flat_apic_id_registered, diff --git a/arch/x86/kernel/apic/probe_64.c b/arch/x86/kernel/apic/probe_64.c index d8c4a6feb28..39fb42b51f6 100644 --- a/arch/x86/kernel/apic/probe_64.c +++ b/arch/x86/kernel/apic/probe_64.c @@ -54,26 +54,18 @@ static int apicid_phys_pkg_id(int initial_apic_id, int index_msb) */ void __init default_setup_apic_routing(void) { + int i; enable_IR_x2apic(); -#ifdef CONFIG_X86_X2APIC - if (x2apic_mode -#ifdef CONFIG_X86_UV - && apic != &apic_x2apic_uv_x -#endif - ) { - if (x2apic_phys) - apic = &apic_x2apic_phys; - else - apic = &apic_x2apic_cluster; + for (i = 0; apic_probe[i]; ++i) { + if (apic_probe[i]->probe()) { + apic = apic_probe[i]; + break; + } } -#endif - - if (apic == &apic_flat && num_possible_cpus() > 8) - apic = &apic_physflat; - printk(KERN_INFO "Setting APIC routing to %s\n", apic->name); + printk(KERN_INFO "APIC routing finalized to %s.\n", apic->name); if (is_vsmp_box()) { /* need to update phys_pkg_id */ diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index 90949bbd566..2967bab775e 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -184,10 +184,15 @@ static void init_x2apic_ldr(void) per_cpu(x86_cpu_to_logical_apicid, cpu) = apic_read(APIC_LDR); } +static int x2apic_cluster_probe(void) +{ + return x2apic_mode; +} + struct apic apic_x2apic_cluster = { .name = "cluster x2apic", - .probe = NULL, + .probe = x2apic_cluster_probe, .acpi_madt_oem_check = x2apic_acpi_madt_oem_check, .apic_id_registered = x2apic_apic_id_registered, diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index c7e6d6645bf..8f21771249f 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -173,10 +173,18 @@ static void init_x2apic_ldr(void) { } +static int x2apic_phys_probe(void) +{ + if (x2apic_mode && x2apic_phys) + return 1; + + return apic == &apic_x2apic_phys; +} + struct apic apic_x2apic_phys = { .name = "physical x2apic", - .probe = NULL, + .probe = x2apic_phys_probe, .acpi_madt_oem_check = x2apic_acpi_madt_oem_check, .apic_id_registered = x2apic_apic_id_registered, diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 7acd2d2ac96..6bb80b1c8a7 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -326,10 +326,15 @@ static void uv_send_IPI_self(int vector) apic_write(APIC_SELF_IPI, vector); } +static int uv_probe(void) +{ + return apic == &apic_x2apic_uv_x; +} + struct apic __refdata apic_x2apic_uv_x = { .name = "UV large system", - .probe = NULL, + .probe = uv_probe, .acpi_madt_oem_check = uv_acpi_madt_oem_check, .apic_id_registered = uv_apic_id_registered, |