diff options
Diffstat (limited to 'arch/x86/kernel/apic')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 12 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/probe_32.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/probe_64.c | 13 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/summit_32.c | 57 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_cluster.c | 5 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_phys.c | 10 |
6 files changed, 42 insertions, 56 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index d1bf032ba26..4732768c534 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -35,7 +35,6 @@ #include <linux/mm.h> #include <asm/perf_counter.h> -#include <asm/arch_hooks.h> #include <asm/pgalloc.h> #include <asm/atomic.h> #include <asm/mpspec.h> @@ -840,7 +839,7 @@ void clear_local_APIC(void) } /* lets not touch this if we didn't frob it */ -#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(X86_MCE_INTEL) +#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL) if (maxlvt >= 5) { v = apic_read(APIC_LVTTHMR); apic_write(APIC_LVTTHMR, v | APIC_LVT_MASKED); @@ -1269,14 +1268,7 @@ void __cpuinit end_local_APIC_setup(void) #ifdef CONFIG_X86_X2APIC void check_x2apic(void) { - int msr, msr2; - - if (!cpu_has_x2apic) - return; - - rdmsr(MSR_IA32_APICBASE, msr, msr2); - - if (msr & X2APIC_ENABLE) { + if (x2apic_enabled()) { pr_info("x2apic enabled by BIOS, switching to x2apic ops\n"); x2apic_preenabled = x2apic = 1; } diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c index c9ec90742e9..3a730fa574b 100644 --- a/arch/x86/kernel/apic/probe_32.c +++ b/arch/x86/kernel/apic/probe_32.c @@ -35,7 +35,6 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <asm/acpi.h> -#include <asm/arch_hooks.h> #include <asm/e820.h> #include <asm/setup.h> diff --git a/arch/x86/kernel/apic/probe_64.c b/arch/x86/kernel/apic/probe_64.c index 70935dd904d..e7c163661c7 100644 --- a/arch/x86/kernel/apic/probe_64.c +++ b/arch/x86/kernel/apic/probe_64.c @@ -50,9 +50,16 @@ static struct apic *apic_probe[] __initdata = { void __init default_setup_apic_routing(void) { #ifdef CONFIG_X86_X2APIC - if (apic == &apic_x2apic_phys || apic == &apic_x2apic_cluster) { - if (!intr_remapping_enabled) - apic = &apic_flat; + if (x2apic && (apic != &apic_x2apic_phys && +#ifdef CONFIG_X86_UV + apic != &apic_x2apic_uv_x && +#endif + apic != &apic_x2apic_cluster)) { + if (x2apic_phys) + apic = &apic_x2apic_phys; + else + apic = &apic_x2apic_cluster; + printk(KERN_INFO "Setting APIC routing to %s\n", apic->name); } #endif diff --git a/arch/x86/kernel/apic/summit_32.c b/arch/x86/kernel/apic/summit_32.c index cfe7b09015d..32838b57a94 100644 --- a/arch/x86/kernel/apic/summit_32.c +++ b/arch/x86/kernel/apic/summit_32.c @@ -48,7 +48,7 @@ #include <linux/gfp.h> #include <linux/smp.h> -static inline unsigned summit_get_apic_id(unsigned long x) +static unsigned summit_get_apic_id(unsigned long x) { return (x >> 24) & 0xFF; } @@ -58,7 +58,7 @@ static inline void summit_send_IPI_mask(const cpumask_t *mask, int vector) default_send_IPI_mask_sequence_logical(mask, vector); } -static inline void summit_send_IPI_allbutself(int vector) +static void summit_send_IPI_allbutself(int vector) { cpumask_t mask = cpu_online_map; cpu_clear(smp_processor_id(), mask); @@ -67,7 +67,7 @@ static inline void summit_send_IPI_allbutself(int vector) summit_send_IPI_mask(&mask, vector); } -static inline void summit_send_IPI_all(int vector) +static void summit_send_IPI_all(int vector) { summit_send_IPI_mask(&cpu_online_map, vector); } @@ -82,8 +82,8 @@ extern void setup_summit(void); #define setup_summit() {} #endif -static inline int -summit_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) +static int summit_mps_oem_check(struct mpc_table *mpc, char *oem, + char *productid) { if (!strncmp(oem, "IBM ENSW", 8) && (!strncmp(productid, "VIGIL SMP", 9) @@ -98,7 +98,7 @@ summit_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) } /* Hook from generic ACPI tables.c */ -static inline int summit_acpi_madt_oem_check(char *oem_id, char *oem_table_id) +static int summit_acpi_madt_oem_check(char *oem_id, char *oem_table_id) { if (!strncmp(oem_id, "IBM", 3) && (!strncmp(oem_table_id, "SERVIGIL", 8) @@ -186,7 +186,7 @@ static inline int is_WPEG(struct rio_detail *rio){ #define SUMMIT_APIC_DFR_VALUE (APIC_DFR_CLUSTER) -static inline const cpumask_t *summit_target_cpus(void) +static const cpumask_t *summit_target_cpus(void) { /* CPU_MASK_ALL (0xff) has undefined behaviour with * dest_LowestPrio mode logical clustered apic interrupt routing @@ -195,19 +195,18 @@ static inline const cpumask_t *summit_target_cpus(void) return &cpumask_of_cpu(0); } -static inline unsigned long -summit_check_apicid_used(physid_mask_t bitmap, int apicid) +static unsigned long summit_check_apicid_used(physid_mask_t bitmap, int apicid) { return 0; } /* we don't use the phys_cpu_present_map to indicate apicid presence */ -static inline unsigned long summit_check_apicid_present(int bit) +static unsigned long summit_check_apicid_present(int bit) { return 1; } -static inline void summit_init_apic_ldr(void) +static void summit_init_apic_ldr(void) { unsigned long val, id; int count = 0; @@ -234,18 +233,18 @@ static inline void summit_init_apic_ldr(void) apic_write(APIC_LDR, val); } -static inline int summit_apic_id_registered(void) +static int summit_apic_id_registered(void) { return 1; } -static inline void summit_setup_apic_routing(void) +static void summit_setup_apic_routing(void) { printk("Enabling APIC mode: Summit. Using %d I/O APICs\n", nr_ioapics); } -static inline int summit_apicid_to_node(int logical_apicid) +static int summit_apicid_to_node(int logical_apicid) { #ifdef CONFIG_SMP return apicid_2_node[hard_smp_processor_id()]; @@ -266,7 +265,7 @@ static inline int summit_cpu_to_logical_apicid(int cpu) #endif } -static inline int summit_cpu_present_to_apicid(int mps_cpu) +static int summit_cpu_present_to_apicid(int mps_cpu) { if (mps_cpu < nr_cpu_ids) return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); @@ -274,28 +273,23 @@ static inline int summit_cpu_present_to_apicid(int mps_cpu) return BAD_APICID; } -static inline physid_mask_t -summit_ioapic_phys_id_map(physid_mask_t phys_id_map) +static physid_mask_t summit_ioapic_phys_id_map(physid_mask_t phys_id_map) { /* For clustered we don't have a good way to do this yet - hack */ return physids_promote(0x0F); } -static inline physid_mask_t summit_apicid_to_cpu_present(int apicid) +static physid_mask_t summit_apicid_to_cpu_present(int apicid) { return physid_mask_of_physid(0); } -static inline void summit_setup_portio_remap(void) -{ -} - -static inline int summit_check_phys_apicid_present(int boot_cpu_physical_apicid) +static int summit_check_phys_apicid_present(int boot_cpu_physical_apicid) { return 1; } -static inline unsigned int summit_cpu_mask_to_apicid(const cpumask_t *cpumask) +static unsigned int summit_cpu_mask_to_apicid(const cpumask_t *cpumask) { int cpus_found = 0; int num_bits_set; @@ -303,12 +297,10 @@ static inline unsigned int summit_cpu_mask_to_apicid(const cpumask_t *cpumask) int cpu; num_bits_set = cpus_weight(*cpumask); - /* Return id to all */ if (num_bits_set >= nr_cpu_ids) - return 0xFF; + return BAD_APICID; /* - * The cpus in the mask must all be on the apic cluster. If are not - * on the same apicid cluster return default value of target_cpus(): + * The cpus in the mask must all be on the apic cluster. */ cpu = first_cpu(*cpumask); apicid = summit_cpu_to_logical_apicid(cpu); @@ -318,9 +310,9 @@ static inline unsigned int summit_cpu_mask_to_apicid(const cpumask_t *cpumask) int new_apicid = summit_cpu_to_logical_apicid(cpu); if (APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) { - printk ("%s: Not a valid mask!\n", __func__); + printk("%s: Not a valid mask!\n", __func__); - return 0xFF; + return BAD_APICID; } apicid = apicid | new_apicid; cpus_found++; @@ -330,8 +322,7 @@ static inline unsigned int summit_cpu_mask_to_apicid(const cpumask_t *cpumask) return apicid; } -static inline unsigned int -summit_cpu_mask_to_apicid_and(const struct cpumask *inmask, +static unsigned int summit_cpu_mask_to_apicid_and(const struct cpumask *inmask, const struct cpumask *andmask) { int apicid = summit_cpu_to_logical_apicid(0); @@ -356,7 +347,7 @@ summit_cpu_mask_to_apicid_and(const struct cpumask *inmask, * * See Intel's IA-32 SW Dev's Manual Vol2 under CPUID. */ -static inline int summit_phys_pkg_id(int cpuid_apic, int index_msb) +static int summit_phys_pkg_id(int cpuid_apic, int index_msb) { return hard_smp_processor_id() >> index_msb; } diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index 4e39d9ad4d5..354b9c45601 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -14,10 +14,7 @@ DEFINE_PER_CPU(u32, x86_cpu_to_logical_apicid); static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id) { - if (cpu_has_x2apic) - return 1; - - return 0; + return x2apic_enabled(); } /* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */ diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index d2d52eb9f7e..5bcb174409b 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -10,7 +10,7 @@ #include <asm/apic.h> #include <asm/ipi.h> -static int x2apic_phys; +int x2apic_phys; static int set_x2apic_phys_mode(char *arg) { @@ -21,10 +21,10 @@ early_param("x2apic_phys", set_x2apic_phys_mode); static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id) { - if (cpu_has_x2apic && x2apic_phys) - return 1; - - return 0; + if (x2apic_phys) + return x2apic_enabled(); + else + return 0; } /* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */ |