x86: remove subarchitecture support code

Remove remaining bits of the subarchitecture code. Now that all the
special platforms are runtime probed and runtime handled, we can remove
these facilities.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index cacee98..799a0d9 100644 (file)
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -113,11 +113,6 @@ mcore-y  := arch/x86/mach-default/
 mflags-$(CONFIG_X86_VOYAGER)   := -Iarch/x86/include/asm/mach-voyager
 mcore-$(CONFIG_X86_VOYAGER)    := arch/x86/mach-voyager/
 
-# generic subarchitecture
-mflags-$(CONFIG_X86_GENERICARCH):= -Iarch/x86/include/asm/mach-generic
-fcore-$(CONFIG_X86_GENERICARCH)        += arch/x86/mach-generic/
-mcore-$(CONFIG_X86_GENERICARCH)        := arch/x86/mach-default/
-
 # default subarch .h files
 mflags-y += -Iarch/x86/include/asm/mach-default
 

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 4239847..d3f8f49 100644 (file)
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -30,7 +30,7 @@ obj-y                 += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
 obj-y                  += time_$(BITS).o ioport.o ldt.o dumpstack.o
 obj-y                  += setup.o i8259.o irqinit_$(BITS).o
 obj-$(CONFIG_X86_VISWS)        += visws_quirks.o
-obj-$(CONFIG_X86_32)   += probe_roms_32.o
+obj-$(CONFIG_X86_32)   += probe_32.o probe_roms_32.o
 obj-$(CONFIG_X86_32)   += sys_i386_32.o i386_ksyms_32.o
 obj-$(CONFIG_X86_64)   += sys_x86_64.o x8664_ksyms_64.o
 obj-$(CONFIG_X86_64)   += syscall_64.o vsyscall_64.o

diff --git a/arch/x86/mach-generic/probe.c b/arch/x86/kernel/probe_32.c
similarity index 54%
rename from arch/x86/mach-generic/probe.c
rename to arch/x86/kernel/probe_32.c
index c03c722..a6fba69 100644 (file)
--- a/arch/x86/mach-generic/probe.c
+++ b/arch/x86/kernel/probe_32.c
@@ -1,4 +1,6 @@
 /*
+ * Default generic APIC driver. This handles up to 8 CPUs.
+ *
  * Copyright 2003 Andi Kleen, SuSE Labs.
  * Subject to the GNU Public License, v.2
  *
@@ -17,6 +19,96 @@
 #include <asm/genapic.h>
 #include <asm/setup.h>
 
+#include <linux/threads.h>
+#include <linux/cpumask.h>
+#include <asm/mpspec.h>
+#include <asm/genapic.h>
+#include <asm/fixmap.h>
+#include <asm/apicdef.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/smp.h>
+#include <linux/init.h>
+#include <asm/genapic.h>
+#include <asm/ipi.h>
+
+static void default_vector_allocation_domain(int cpu, struct cpumask *retmask)
+{
+       /*
+        * Careful. Some cpus do not strictly honor the set of cpus
+        * specified in the interrupt destination when using lowest
+        * priority interrupt delivery mode.
+        *
+        * In particular there was a hyperthreading cpu observed to
+        * deliver interrupts to the wrong hyperthread when only one
+        * hyperthread was specified in the interrupt desitination.
+        */
+       *retmask = (cpumask_t) { { [0] = APIC_ALL_CPUS } };
+}
+
+/* should be called last. */
+static int probe_default(void)
+{
+       return 1;
+}
+
+struct genapic apic_default = {
+
+       .name                           = "default",
+       .probe                          = probe_default,
+       .acpi_madt_oem_check            = NULL,
+       .apic_id_registered             = default_apic_id_registered,
+
+       .irq_delivery_mode              = dest_LowestPrio,
+       /* logical delivery broadcast to all CPUs: */
+       .irq_dest_mode                  = 1,
+
+       .target_cpus                    = default_target_cpus,
+       .disable_esr                    = 0,
+       .dest_logical                   = APIC_DEST_LOGICAL,
+       .check_apicid_used              = default_check_apicid_used,
+       .check_apicid_present           = default_check_apicid_present,
+
+       .vector_allocation_domain       = default_vector_allocation_domain,
+       .init_apic_ldr                  = default_init_apic_ldr,
+
+       .ioapic_phys_id_map             = default_ioapic_phys_id_map,
+       .setup_apic_routing             = default_setup_apic_routing,
+       .multi_timer_check              = NULL,
+       .apicid_to_node                 = default_apicid_to_node,
+       .cpu_to_logical_apicid          = default_cpu_to_logical_apicid,
+       .cpu_present_to_apicid          = default_cpu_present_to_apicid,
+       .apicid_to_cpu_present          = default_apicid_to_cpu_present,
+       .setup_portio_remap             = NULL,
+       .check_phys_apicid_present      = default_check_phys_apicid_present,
+       .enable_apic_mode               = NULL,
+       .phys_pkg_id                    = default_phys_pkg_id,
+       .mps_oem_check                  = NULL,
+
+       .get_apic_id                    = default_get_apic_id,
+       .set_apic_id                    = NULL,
+       .apic_id_mask                   = 0x0F << 24,
+
+       .cpu_mask_to_apicid             = default_cpu_mask_to_apicid,
+       .cpu_mask_to_apicid_and         = default_cpu_mask_to_apicid_and,
+
+       .send_IPI_mask                  = default_send_IPI_mask,
+       .send_IPI_mask_allbutself       = NULL,
+       .send_IPI_allbutself            = default_send_IPI_allbutself,
+       .send_IPI_all                   = default_send_IPI_all,
+       .send_IPI_self                  = NULL,
+
+       .wakeup_cpu                     = NULL,
+       .trampoline_phys_low            = DEFAULT_TRAMPOLINE_PHYS_LOW,
+       .trampoline_phys_high           = DEFAULT_TRAMPOLINE_PHYS_HIGH,
+
+       .wait_for_init_deassert         = default_wait_for_init_deassert,
+
+       .smp_callin_clear_local_apic    = NULL,
+       .store_NMI_vector               = NULL,
+       .inquire_remote_apic            = default_inquire_remote_apic,
+};
+
 extern struct genapic apic_numaq;
 extern struct genapic apic_summit;
 extern struct genapic apic_bigsmp;

diff --git a/arch/x86/mach-generic/Makefile b/arch/x86/mach-generic/Makefile
deleted file mode 100644 (file)
index 05e4a7c..0000000
--- a/arch/x86/mach-generic/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# Makefile for the generic architecture
-#
-
-EXTRA_CFLAGS                   := -Iarch/x86/kernel
-
-obj-y                          := probe.o default.o