diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/apic_32.c | 5 | ||||
| -rw-r--r-- | arch/x86/kernel/apic_64.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/genapic_64.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/mpparse.c | 5 | ||||
| -rw-r--r-- | arch/x86/kernel/setup.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/setup_32.c | 11 | ||||
| -rw-r--r-- | arch/x86/mach-generic/bigsmp.c | 2 |
7 files changed, 20 insertions, 9 deletions
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index c304759f083..954d67931a5 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1518,6 +1518,9 @@ void __cpuinit generic_processor_info(int apicid, int version) */ cpu = 0; + if (apicid > max_physical_apicid) + max_physical_apicid = apicid; + /* * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y * but we need to work other dependencies like SMP_SUSPEND etc @@ -1525,7 +1528,7 @@ void __cpuinit generic_processor_info(int apicid, int version) * if (CPU_HOTPLUG_ENABLED || num_processors > 8) * - Ashok Raj <ashok.raj@intel.com> */ - if (num_processors > 8) { + if (max_physical_apicid >= 8) { switch (boot_cpu_data.x86_vendor) { case X86_VENDOR_INTEL: if (!APIC_XAPIC(version)) { diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 54087f920f2..1872555b98a 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1093,6 +1093,9 @@ void __cpuinit generic_processor_info(int apicid, int version) */ cpu = 0; } + if (apicid > max_physical_apicid) + max_physical_apicid = apicid; + /* are we being called early in kernel startup? */ if (x86_cpu_to_apicid_early_ptr) { u16 *cpu_to_apicid = x86_cpu_to_apicid_early_ptr; diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index cbaaf69bedb..1fa8be5bd21 100644 --- a/arch/x86/kernel/genapic_64.c +++ b/arch/x86/kernel/genapic_64.c @@ -51,7 +51,7 @@ void __init setup_apic_routing(void) else #endif - if (num_possible_cpus() <= 8) + if (max_physical_apicid < 8) genapic = &apic_flat; else genapic = &apic_physflat; diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index b4a950da2f9..7591325e616 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -473,6 +473,11 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early) ++mpc_record; #endif } + +#ifdef CONFIG_X86_GENERICARCH + generic_bigsmp_probe(); +#endif + setup_apic_routing(); if (!num_processors) printk(KERN_ERR "MPTABLE: no processors registered!\n"); diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 0a281f2c715..45a5e247d45 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -17,6 +17,7 @@ unsigned int num_processors; unsigned disabled_cpus __cpuinitdata; /* Processor that is doing the boot up */ unsigned int boot_cpu_physical_apicid = -1U; +unsigned int max_physical_apicid; EXPORT_SYMBOL(boot_cpu_physical_apicid); DEFINE_PER_CPU(u16, x86_cpu_to_apicid) = BAD_APICID; diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index ee1ccdbd710..be1a9900367 100644 --- a/arch/x86/kernel/setup_32.c +++ b/arch/x86/kernel/setup_32.c @@ -838,18 +838,17 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_ACPI acpi_boot_init(); - +#endif +#if defined(CONFIG_X86_MPPARSE) || defined(CONFIG_X86_VISWS) + if (smp_found_config) + get_smp_config(); +#endif #if defined(CONFIG_SMP) && defined(CONFIG_X86_PC) if (def_to_bigsmp) printk(KERN_WARNING "More than 8 CPUs detected and " "CONFIG_X86_PC cannot handle it.\nUse " "CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.\n"); #endif -#endif -#if defined(CONFIG_X86_MPPARSE) || defined(CONFIG_X86_VISWS) - if (smp_found_config) - get_smp_config(); -#endif e820_setup_gap(); e820_mark_nosave_regions(max_low_pfn); diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c index 95fc463056d..2a243019aca 100644 --- a/arch/x86/mach-generic/bigsmp.c +++ b/arch/x86/mach-generic/bigsmp.c @@ -48,7 +48,7 @@ static const struct dmi_system_id bigsmp_dmi_table[] = { static int probe_bigsmp(void) { if (def_to_bigsmp) - dmi_bigsmp = 1; + dmi_bigsmp = 1; else dmi_check_system(bigsmp_dmi_table); return dmi_bigsmp; |