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author | Ingo Molnar <mingo@elte.hu> | 2009-01-28 19:11:44 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-29 14:16:50 +0100 |
commit | 7b38725318f4517af6168ccbff99060d67aba1c8 (patch) | |
tree | 043e61f93a24a67ef7ca348924bd740361518ae0 /arch/x86/mach-generic/probe.c | |
parent | d53e2f2855f1c7c2725d550c1ae6b26f4d671c50 (diff) | |
download | op-kernel-dev-7b38725318f4517af6168ccbff99060d67aba1c8.zip op-kernel-dev-7b38725318f4517af6168ccbff99060d67aba1c8.tar.gz |
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/x86/mach-generic/probe.c')
-rw-r--r-- | arch/x86/mach-generic/probe.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/arch/x86/mach-generic/probe.c b/arch/x86/mach-generic/probe.c deleted file mode 100644 index c03c722..0000000 --- a/arch/x86/mach-generic/probe.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright 2003 Andi Kleen, SuSE Labs. - * Subject to the GNU Public License, v.2 - * - * Generic x86 APIC driver probe layer. - */ -#include <linux/threads.h> -#include <linux/cpumask.h> -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/ctype.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <asm/fixmap.h> -#include <asm/mpspec.h> -#include <asm/apicdef.h> -#include <asm/genapic.h> -#include <asm/setup.h> - -extern struct genapic apic_numaq; -extern struct genapic apic_summit; -extern struct genapic apic_bigsmp; -extern struct genapic apic_es7000; -extern struct genapic apic_default; - -struct genapic *apic = &apic_default; - -static struct genapic *apic_probe[] __initdata = { -#ifdef CONFIG_X86_NUMAQ - &apic_numaq, -#endif -#ifdef CONFIG_X86_SUMMIT - &apic_summit, -#endif -#ifdef CONFIG_X86_BIGSMP - &apic_bigsmp, -#endif -#ifdef CONFIG_X86_ES7000 - &apic_es7000, -#endif - &apic_default, /* must be last */ - NULL, -}; - -static int cmdline_apic __initdata; -static int __init parse_apic(char *arg) -{ - int i; - - if (!arg) - return -EINVAL; - - for (i = 0; apic_probe[i]; i++) { - if (!strcmp(apic_probe[i]->name, arg)) { - apic = apic_probe[i]; - cmdline_apic = 1; - return 0; - } - } - - if (x86_quirks->update_genapic) - x86_quirks->update_genapic(); - - /* Parsed again by __setup for debug/verbose */ - return 0; -} -early_param("apic", parse_apic); - -void __init generic_bigsmp_probe(void) -{ -#ifdef CONFIG_X86_BIGSMP - /* - * This routine is used to switch to bigsmp mode when - * - There is no apic= option specified by the user - * - generic_apic_probe() has chosen apic_default as the sub_arch - * - we find more than 8 CPUs in acpi LAPIC listing with xAPIC support - */ - - if (!cmdline_apic && apic == &apic_default) { - if (apic_bigsmp.probe()) { - apic = &apic_bigsmp; - if (x86_quirks->update_genapic) - x86_quirks->update_genapic(); - printk(KERN_INFO "Overriding APIC driver with %s\n", - apic->name); - } - } -#endif -} - -void __init generic_apic_probe(void) -{ - if (!cmdline_apic) { - int i; - for (i = 0; apic_probe[i]; i++) { - if (apic_probe[i]->probe()) { - apic = apic_probe[i]; - break; - } - } - /* Not visible without early console */ - if (!apic_probe[i]) - panic("Didn't find an APIC driver"); - - if (x86_quirks->update_genapic) - x86_quirks->update_genapic(); - } - printk(KERN_INFO "Using APIC driver %s\n", apic->name); -} - -/* These functions can switch the APIC even after the initial ->probe() */ - -int __init -generic_mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) -{ - int i; - - for (i = 0; apic_probe[i]; ++i) { - if (!apic_probe[i]->mps_oem_check) - continue; - if (!apic_probe[i]->mps_oem_check(mpc, oem, productid)) - continue; - - if (!cmdline_apic) { - apic = apic_probe[i]; - if (x86_quirks->update_genapic) - x86_quirks->update_genapic(); - printk(KERN_INFO "Switched to APIC driver `%s'.\n", - apic->name); - } - return 1; - } - return 0; -} - -int __init default_acpi_madt_oem_check(char *oem_id, char *oem_table_id) -{ - int i; - - for (i = 0; apic_probe[i]; ++i) { - if (!apic_probe[i]->acpi_madt_oem_check) - continue; - if (!apic_probe[i]->acpi_madt_oem_check(oem_id, oem_table_id)) - continue; - - if (!cmdline_apic) { - apic = apic_probe[i]; - if (x86_quirks->update_genapic) - x86_quirks->update_genapic(); - printk(KERN_INFO "Switched to APIC driver `%s'.\n", - apic->name); - } - return 1; - } - return 0; -} |