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authorIngo Molnar <mingo@elte.hu>2009-01-28 19:11:44 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-29 14:16:50 +0100
commit7b38725318f4517af6168ccbff99060d67aba1c8 (patch)
tree043e61f93a24a67ef7ca348924bd740361518ae0 /arch
parentd53e2f2855f1c7c2725d550c1ae6b26f4d671c50 (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/Makefile5
-rw-r--r--arch/x86/kernel/Makefile2
-rw-r--r--arch/x86/kernel/probe_32.c (renamed from arch/x86/mach-generic/probe.c)92
-rw-r--r--arch/x86/mach-generic/Makefile7
4 files changed, 93 insertions, 13 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index cacee981d166..799a0d931c81 100644
--- 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-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default/
-
# default subarch .h files
mflags-y += -Iarch/x86/include/asm/mach-default
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 4239847906a1..d3f8f49aed65 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -30,7 +30,7 @@ obj-y += traps.o irq.o irq_$(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
index c03c72221320..a6fba6914167 100644
--- 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
index 05e4a7ca7742..000000000000
--- 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