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authorThomas Gleixner <tglx@linutronix.de>2009-08-20 11:11:52 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-08-31 09:35:45 +0200
commitb3f1b617f49447df6c3f5fac9c225aaea8b724ea (patch)
tree9c1cc5a96be1330868312d7970583838790b14a3 /arch/x86
parent90e1c6969d8711edb888a00ec54c74370f125c8f (diff)
x86: Move get/find_smp_config to x86_init_ops
Replace the quirk machinery by a x86_init_ops function which defaults to the standard implementation. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/mpspec.h37
-rw-r--r--arch/x86/include/asm/setup.h2
-rw-r--r--arch/x86/include/asm/x86_init.h4
-rw-r--r--arch/x86/kernel/apic/numaq_32.c2
-rw-r--r--arch/x86/kernel/mpparse.c33
-rw-r--r--arch/x86/kernel/setup.c2
-rw-r--r--arch/x86/kernel/visws_quirks.c14
-rw-r--r--arch/x86/kernel/x86_init.c2
8 files changed, 42 insertions, 54 deletions
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index e3c579efde7a..79c94500c0bb 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -4,6 +4,7 @@
#include <linux/init.h>
#include <asm/mpspec_def.h>
+#include <asm/x86_init.h>
extern int apic_version[MAX_APICS];
extern int pic_mode;
@@ -41,9 +42,6 @@ extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
#endif /* CONFIG_X86_64 */
-extern void early_find_smp_config(void);
-extern void early_get_smp_config(void);
-
#if defined(CONFIG_MCA) || defined(CONFIG_EISA)
extern int mp_bus_id_to_type[MAX_MP_BUSSES];
#endif
@@ -52,14 +50,36 @@ extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
extern unsigned int boot_cpu_physical_apicid;
extern unsigned int max_physical_apicid;
-extern int smp_found_config;
extern int mpc_default_type;
extern unsigned long mp_lapic_addr;
-extern void get_smp_config(void);
+#ifdef CONFIG_X86_LOCAL_APIC
+extern int smp_found_config;
+#else
+# define smp_found_config 0
+#endif
+
+static inline void get_smp_config(void)
+{
+ x86_init.mpparse.get_smp_config(0);
+}
+
+static inline void early_get_smp_config(void)
+{
+ x86_init.mpparse.get_smp_config(1);
+}
+
+static inline void find_smp_config(void)
+{
+ x86_init.mpparse.find_smp_config(1);
+}
+
+static inline void early_find_smp_config(void)
+{
+ x86_init.mpparse.find_smp_config(0);
+}
#ifdef CONFIG_X86_MPPARSE
-extern void find_smp_config(void);
extern void early_reserve_e820_mpc_new(void);
extern int enable_update_mptable;
extern int default_mpc_apic_id(struct mpc_cpu *m);
@@ -69,13 +89,16 @@ extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
# else
# define default_mpc_oem_bus_info NULL
# endif
+extern void default_find_smp_config(unsigned int reserve);
+extern void default_get_smp_config(unsigned int early);
#else
-static inline void find_smp_config(void) { }
static inline void early_reserve_e820_mpc_new(void) { }
#define enable_update_mptable 0
#define default_mpc_apic_id NULL
#define default_smp_read_mpc_oem NULL
#define default_mpc_oem_bus_info NULL
+#define default_find_smp_config x86_init_uint_noop
+#define default_get_smp_config x86_init_uint_noop
#endif
void __cpuinit generic_processor_info(int apicid, int version);
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 6121a8ac7b06..345a2551af90 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -19,8 +19,6 @@ struct x86_quirks {
int (*arch_pre_intr_init)(void);
int (*arch_intr_init)(void);
int (*arch_trap_init)(void);
- int (*mach_get_smp_config)(unsigned int early);
- int (*mach_find_smp_config)(unsigned int reserve);
};
extern void x86_quirk_intr_init(void);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 2833a873a903..e0d4729c9054 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -13,6 +13,8 @@ struct mpc_table;
* @smp_read_mpc_oem: platform specific oem mpc table setup
* @mpc_oem_pci_bus: platform specific pci bus setup (default NULL)
* @mpc_oem_bus_info: platform specific mpc bus info
+ * @find_smp_config: find the smp configuration
+ * @get_smp_config: get the smp configuration
*/
struct x86_init_mpparse {
void (*mpc_record)(unsigned int mode);
@@ -21,6 +23,8 @@ struct x86_init_mpparse {
void (*smp_read_mpc_oem)(struct mpc_table *mpc);
void (*mpc_oem_pci_bus)(struct mpc_bus *m);
void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
+ void (*find_smp_config)(unsigned int reserve);
+ void (*get_smp_config)(unsigned int early);
};
/**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 700273dca684..3dd5fd765341 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -268,8 +268,6 @@ static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_pre_intr_init = NULL,
.arch_intr_init = NULL,
.arch_trap_init = NULL,
- .mach_get_smp_config = NULL,
- .mach_find_smp_config = NULL,
};
static __init void early_check_numaq(void)
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index a42f23f1dc7e..75357647b6ec 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -610,7 +610,7 @@ static int __init check_physptr(struct mpf_intel *mpf, unsigned int early)
/*
* Scan the memory blocks for an SMP configuration block.
*/
-static void __init __get_smp_config(unsigned int early)
+void __init default_get_smp_config(unsigned int early)
{
struct mpf_intel *mpf = mpf_found;
@@ -627,11 +627,6 @@ static void __init __get_smp_config(unsigned int early)
if (acpi_lapic && acpi_ioapic)
return;
- if (x86_quirks->mach_get_smp_config) {
- if (x86_quirks->mach_get_smp_config(early))
- return;
- }
-
printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n",
mpf->specification);
#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_32)
@@ -672,16 +667,6 @@ static void __init __get_smp_config(unsigned int early)
*/
}
-void __init early_get_smp_config(void)
-{
- __get_smp_config(1);
-}
-
-void __init get_smp_config(void)
-{
- __get_smp_config(0);
-}
-
static void __init smp_reserve_bootmem(struct mpf_intel *mpf)
{
unsigned long size = get_mpc_size(mpf->physptr);
@@ -747,14 +732,10 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
return 0;
}
-static void __init __find_smp_config(unsigned int reserve)
+void __init default_find_smp_config(unsigned int reserve)
{
unsigned int address;
- if (x86_quirks->mach_find_smp_config) {
- if (x86_quirks->mach_find_smp_config(reserve))
- return;
- }
/*
* FIXME: Linux assumes you have 640K of base ram..
* this continues the error...
@@ -789,16 +770,6 @@ static void __init __find_smp_config(unsigned int reserve)
smp_scan_config(address, 0x400, reserve);
}
-void __init early_find_smp_config(void)
-{
- __find_smp_config(0);
-}
-
-void __init find_smp_config(void)
-{
- __find_smp_config(1);
-}
-
#ifdef CONFIG_X86_IO_APIC
static u8 __initdata irq_used[MAX_IRQ_SOURCES];
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index c2a8090e8312..54043cb7ba68 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -981,13 +981,11 @@ void __init setup_arch(char **cmdline_p)
*/
acpi_boot_init();
-#if defined(CONFIG_X86_MPPARSE) || defined(CONFIG_X86_VISWS)
/*
* get boot-time SMP configuration:
*/
if (smp_found_config)
get_smp_config();
-#endif
prefill_possible_map();
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 97c670df1aed..31e828118f8e 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -156,12 +156,8 @@ static void visws_machine_power_off(void)
outl(PIIX_SPECIAL_STOP, 0xCFC);
}
-static int __init visws_get_smp_config(unsigned int early)
+static void __init visws_get_smp_config(unsigned int early)
{
- /*
- * Prevent MP-table parsing by the generic code:
- */
- return 1;
}
/*
@@ -208,7 +204,7 @@ static void __init MP_processor_info(struct mpc_cpu *m)
apic_version[m->apicid] = ver;
}
-static int __init visws_find_smp_config(unsigned int reserve)
+static void __init visws_find_smp_config(unsigned int reserve)
{
struct mpc_cpu *mp = phys_to_virt(CO_CPU_TAB_PHYS);
unsigned short ncpus = readw(phys_to_virt(CO_CPU_NUM_PHYS));
@@ -230,8 +226,6 @@ static int __init visws_find_smp_config(unsigned int reserve)
MP_processor_info(mp++);
mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
-
- return 1;
}
static int visws_trap_init(void);
@@ -241,8 +235,6 @@ static struct x86_quirks visws_x86_quirks __initdata = {
.arch_pre_intr_init = visws_pre_intr_init,
.arch_intr_init = NULL,
.arch_trap_init = visws_trap_init,
- .mach_get_smp_config = visws_get_smp_config,
- .mach_find_smp_config = visws_find_smp_config,
};
void __init visws_early_detect(void)
@@ -263,6 +255,8 @@ void __init visws_early_detect(void)
x86_quirks = &visws_x86_quirks;
x86_init.resources.memory_setup = visws_memory_setup;
+ x86_init.mpparse.get_smp_config = visws_get_smp_config;
+ x86_init.mpparse.find_smp_config = visws_find_smp_config;
/*
* Install reboot quirks:
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 27685edc5460..3488fb62ac03 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -32,5 +32,7 @@ struct __initdata x86_init_ops x86_init = {
.mpc_apic_id = default_mpc_apic_id,
.smp_read_mpc_oem = default_smp_read_mpc_oem,
.mpc_oem_bus_info = default_mpc_oem_bus_info,
+ .find_smp_config = default_find_smp_config,
+ .get_smp_config = default_get_smp_config,
},
};