To eliminate code duplication. Signed-off-by: Cyrill Gorcunov Signed-off-by: Suresh Siddha --- arch/x86/include/asm/x2apic.h | 64 ++++++++++++++++++++++++++++++ arch/x86/kernel/apic/x2apic_cluster.c | 71 +--------------------------------- arch/x86/kernel/apic/x2apic_phys.c | 71 +++------------------------------- 3 files changed, 76 insertions(+), 130 deletions(-) Index: tip-linux-2.6/arch/x86/include/asm/x2apic.h =================================================================== --- /dev/null +++ tip-linux-2.6/arch/x86/include/asm/x2apic.h @@ -0,0 +1,64 @@ +/* + * Common bits for X2APIC cluster/physical modes. + */ + +#ifndef _ASM_X86_X2APIC_H +#define _ASM_X86_X2APIC_H + +#include +#include +#include + +/* + * Need to use more than cpu 0, because we need more vectors + * when MSI-X are used. + */ +static const struct cpumask *x2apic_target_cpus(void) +{ + return cpu_online_mask; +} + +static int x2apic_apic_id_registered(void) +{ + return 1; +} + +/* + * For now each logical cpu is in its own vector allocation domain. + */ +static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask) +{ + cpumask_clear(retmask); + cpumask_set_cpu(cpu, retmask); +} + +static void +__x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest) +{ + unsigned long cfg = __prepare_ICR(0, vector, dest); + native_x2apic_icr_write(cfg, apicid); +} + +static unsigned int x2apic_get_apic_id(unsigned long id) +{ + return id; +} + +static unsigned long x2apic_set_apic_id(unsigned int id) +{ + return id; +} + +static int x2apic_phys_pkg_id(int initial_apicid, int index_msb) +{ + return initial_apicid >> index_msb; +} + +static void x2apic_send_IPI_self(int vector) +{ + apic_write(APIC_SELF_IPI, vector); +} + +void x2apic_init_cpu_notifier(void); + +#endif /* _ASM_X86_X2APIC_H */ Index: tip-linux-2.6/arch/x86/kernel/apic/x2apic_cluster.c =================================================================== --- tip-linux-2.6.orig/arch/x86/kernel/apic/x2apic_cluster.c +++ tip-linux-2.6/arch/x86/kernel/apic/x2apic_cluster.c @@ -8,8 +8,7 @@ #include #include -#include -#include +#include static DEFINE_PER_CPU(u32, x86_cpu_to_logical_apicid); static DEFINE_PER_CPU(cpumask_var_t, cpus_in_cluster); @@ -20,37 +19,6 @@ static int x2apic_acpi_madt_oem_check(ch return x2apic_enabled(); } -/* - * need to use more than cpu 0, because we need more vectors when - * MSI-X are used. - */ -static const struct cpumask *x2apic_target_cpus(void) -{ - return cpu_online_mask; -} - -/* - * for now each logical cpu is in its own vector allocation domain. - */ -static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask) -{ - cpumask_clear(retmask); - cpumask_set_cpu(cpu, retmask); -} - -static void -__x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest) -{ - unsigned long cfg; - - cfg = __prepare_ICR(0, vector, dest); - - /* - * send the IPI. - */ - native_x2apic_icr_write(cfg, apicid); -} - static inline u32 x2apic_cluster(int cpu) { return per_cpu(x86_cpu_to_logical_apicid, cpu) >> 16; @@ -127,11 +95,6 @@ static void x2apic_send_IPI_all(int vect __x2apic_send_IPI_mask(cpu_online_mask, vector, 0); } -static int x2apic_apic_id_registered(void) -{ - return 1; -} - static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask) { /* @@ -165,32 +128,6 @@ x2apic_cpu_mask_to_apicid_and(const stru } -static unsigned int x2apic_cluster_phys_get_apic_id(unsigned long x) -{ - unsigned int id; - - id = x; - return id; -} - -static unsigned long set_apic_id(unsigned int id) -{ - unsigned long x; - - x = id; - return x; -} - -static int x2apic_cluster_phys_pkg_id(int initial_apicid, int index_msb) -{ - return initial_apicid >> index_msb; -} - -static void x2apic_send_IPI_self(int vector) -{ - apic_write(APIC_SELF_IPI, vector); -} - static void init_x2apic_ldr(void) { unsigned int this_cpu = smp_processor_id(); @@ -288,11 +225,11 @@ struct apic apic_x2apic_cluster = { .setup_portio_remap = NULL, .check_phys_apicid_present = default_check_phys_apicid_present, .enable_apic_mode = NULL, - .phys_pkg_id = x2apic_cluster_phys_pkg_id, + .phys_pkg_id = x2apic_phys_pkg_id, .mps_oem_check = NULL, - .get_apic_id = x2apic_cluster_phys_get_apic_id, - .set_apic_id = set_apic_id, + .get_apic_id = x2apic_get_apic_id, + .set_apic_id = x2apic_set_apic_id, .apic_id_mask = 0xFFFFFFFFu, .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, Index: tip-linux-2.6/arch/x86/kernel/apic/x2apic_phys.c =================================================================== --- tip-linux-2.6.orig/arch/x86/kernel/apic/x2apic_phys.c +++ tip-linux-2.6/arch/x86/kernel/apic/x2apic_phys.c @@ -7,8 +7,7 @@ #include #include -#include -#include +#include int x2apic_phys; @@ -27,34 +26,6 @@ static int x2apic_acpi_madt_oem_check(ch return 0; } -/* - * need to use more than cpu 0, because we need more vectors when - * MSI-X are used. - */ -static const struct cpumask *x2apic_target_cpus(void) -{ - return cpu_online_mask; -} - -static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask) -{ - cpumask_clear(retmask); - cpumask_set_cpu(cpu, retmask); -} - -static void __x2apic_send_IPI_dest(unsigned int apicid, int vector, - unsigned int dest) -{ - unsigned long cfg; - - cfg = __prepare_ICR(0, vector, dest); - - /* - * send the IPI. - */ - native_x2apic_icr_write(cfg, apicid); -} - static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector) { unsigned long query_cpu; @@ -71,7 +42,7 @@ static void x2apic_send_IPI_mask(const s } static void - x2apic_send_IPI_mask_allbutself(const struct cpumask *mask, int vector) +x2apic_send_IPI_mask_allbutself(const struct cpumask *mask, int vector) { unsigned long this_cpu = smp_processor_id(); unsigned long query_cpu; @@ -81,10 +52,10 @@ static void local_irq_save(flags); for_each_cpu(query_cpu, mask) { - if (query_cpu != this_cpu) - __x2apic_send_IPI_dest( - per_cpu(x86_cpu_to_apicid, query_cpu), - vector, APIC_DEST_PHYSICAL); + if (query_cpu == this_cpu) + continue; + __x2apic_send_IPI_dest(per_cpu(x86_cpu_to_apicid, query_cpu), + vector, APIC_DEST_PHYSICAL); } local_irq_restore(flags); } @@ -112,11 +83,6 @@ static void x2apic_send_IPI_all(int vect x2apic_send_IPI_mask(cpu_online_mask, vector); } -static int x2apic_apic_id_registered(void) -{ - return 1; -} - static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask) { /* @@ -149,32 +115,11 @@ x2apic_cpu_mask_to_apicid_and(const stru return per_cpu(x86_cpu_to_apicid, cpu); } -static unsigned int x2apic_phys_get_apic_id(unsigned long x) -{ - return x; -} - -static unsigned long set_apic_id(unsigned int id) -{ - return id; -} - -static int x2apic_phys_pkg_id(int initial_apicid, int index_msb) -{ - return initial_apicid >> index_msb; -} - -static void x2apic_send_IPI_self(int vector) -{ - apic_write(APIC_SELF_IPI, vector); -} - static void init_x2apic_ldr(void) { } struct apic apic_x2apic_phys = { - .name = "physical x2apic", .probe = NULL, .acpi_madt_oem_check = x2apic_acpi_madt_oem_check, @@ -203,8 +148,8 @@ struct apic apic_x2apic_phys = { .phys_pkg_id = x2apic_phys_pkg_id, .mps_oem_check = NULL, - .get_apic_id = x2apic_phys_get_apic_id, - .set_apic_id = set_apic_id, + .get_apic_id = x2apic_get_apic_id, + .set_apic_id = x2apic_set_apic_id, .apic_id_mask = 0xFFFFFFFFu, .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/