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x86, apic: Make apic drivers static
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Apic probe now looks at the apic drivers listed in the
.apicdrivers section. Remove apic_probe[] and make each apic
driver static.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Tested-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: steiner@sgi.com
Cc: gorcunov@openvz.org
Cc: yinghai@kernel.org
Link: http://lkml.kernel.org/r/20110521005526.341718626@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Suresh Siddha authored and Ingo Molnar committed May 22, 2011
1 parent 69c252f commit 1a8880a
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Showing 11 changed files with 22 additions and 64 deletions.
7 changes: 0 additions & 7 deletions arch/x86/include/asm/apic.h
Original file line number Diff line number Diff line change
Expand Up @@ -478,15 +478,10 @@ static inline unsigned default_get_apic_id(unsigned long x)
#define DEFAULT_TRAMPOLINE_PHYS_HIGH 0x469

#ifdef CONFIG_X86_64
extern struct apic apic_flat;
extern struct apic apic_physflat;
extern struct apic apic_x2apic_cluster;
extern struct apic apic_x2apic_phys;
extern int default_acpi_madt_oem_check(char *, char *);

extern void apic_send_IPI_self(int vector);

extern struct apic apic_x2apic_uv_x;
DECLARE_PER_CPU(int, x2apic_extra_bits);

extern int default_cpu_present_to_apicid(int mps_cpu);
Expand Down Expand Up @@ -536,8 +531,6 @@ extern struct apic apic_noop;

#ifdef CONFIG_X86_32

extern struct apic apic_default;

static inline int noop_x86_32_early_logical_apicid(int cpu)
{
return BAD_APICID;
Expand Down
10 changes: 8 additions & 2 deletions arch/x86/kernel/apic/apic_flat_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,12 @@
#include <acpi/acpi_bus.h>
#endif

static struct apic apic_physflat;
static struct apic apic_flat;

struct apic __read_mostly *apic = &apic_flat;
EXPORT_SYMBOL_GPL(apic);

static int flat_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
return 1;
Expand Down Expand Up @@ -164,7 +170,7 @@ static int flat_phys_pkg_id(int initial_apic_id, int index_msb)
return initial_apic_id >> index_msb;
}

struct apic apic_flat = {
static struct apic apic_flat = {
.name = "flat",
.probe = NULL,
.acpi_madt_oem_check = flat_acpi_madt_oem_check,
Expand Down Expand Up @@ -320,7 +326,7 @@ static int physflat_probe(void)
return 0;
}

struct apic apic_physflat = {
static struct apic apic_physflat = {

.name = "physical flat",
.probe = physflat_probe,
Expand Down
2 changes: 1 addition & 1 deletion arch/x86/kernel/apic/bigsmp_32.c
Original file line number Diff line number Diff line change
Expand Up @@ -193,7 +193,7 @@ static int probe_bigsmp(void)
return dmi_bigsmp;
}

struct apic apic_bigsmp = {
static struct apic apic_bigsmp = {

.name = "bigsmp",
.probe = probe_bigsmp,
Expand Down
4 changes: 2 additions & 2 deletions arch/x86/kernel/apic/es7000_32.c
Original file line number Diff line number Diff line change
Expand Up @@ -620,7 +620,7 @@ static int es7000_mps_oem_check_cluster(struct mpc_table *mpc, char *oem,
}

/* We've been warned by a false positive warning.Use __refdata to keep calm. */
struct apic __refdata apic_es7000_cluster = {
static struct apic __refdata apic_es7000_cluster = {

.name = "es7000",
.probe = probe_es7000,
Expand Down Expand Up @@ -685,7 +685,7 @@ struct apic __refdata apic_es7000_cluster = {
.x86_32_early_logical_apicid = es7000_early_logical_apicid,
};

struct apic __refdata apic_es7000 = {
static struct apic __refdata apic_es7000 = {

.name = "es7000",
.probe = probe_es7000,
Expand Down
4 changes: 2 additions & 2 deletions arch/x86/kernel/apic/numaq_32.c
Original file line number Diff line number Diff line change
Expand Up @@ -472,8 +472,8 @@ static void numaq_setup_portio_remap(void)
(u_long) xquad_portio, (u_long) num_quads*XQUAD_PORTIO_QUAD);
}

/* Use __refdata to keep false positive warning calm. */
struct apic __refdata apic_numaq = {
/* Use __refdata to keep false positive warning calm. */
static struct apic __refdata apic_numaq = {

.name = "NUMAQ",
.probe = probe_numaq,
Expand Down
26 changes: 1 addition & 25 deletions arch/x86/kernel/apic/probe_32.c
Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@ static int probe_default(void)
return 1;
}

struct apic apic_default = {
static struct apic apic_default = {

.name = "default",
.probe = probe_default,
Expand Down Expand Up @@ -151,33 +151,9 @@ struct apic apic_default = {

apic_driver(apic_default);

extern struct apic apic_numaq;
extern struct apic apic_summit;
extern struct apic apic_bigsmp;
extern struct apic apic_es7000;
extern struct apic apic_es7000_cluster;

struct apic *apic = &apic_default;
EXPORT_SYMBOL_GPL(apic);

static struct apic *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,
&apic_es7000_cluster,
#endif
&apic_default, /* must be last */
NULL,
};

static int cmdline_apic __initdata;
static int __init parse_apic(char *arg)
{
Expand Down
21 changes: 0 additions & 21 deletions arch/x86/kernel/apic/probe_64.c
Original file line number Diff line number Diff line change
Expand Up @@ -23,27 +23,6 @@
#include <asm/ipi.h>
#include <asm/setup.h>

extern struct apic apic_flat;
extern struct apic apic_physflat;
extern struct apic apic_x2xpic_uv_x;
extern struct apic apic_x2apic_phys;
extern struct apic apic_x2apic_cluster;

struct apic __read_mostly *apic = &apic_flat;
EXPORT_SYMBOL_GPL(apic);

static struct apic *apic_probe[] __initdata = {
#ifdef CONFIG_X86_UV
&apic_x2apic_uv_x,
#endif
#ifdef CONFIG_X86_X2APIC
&apic_x2apic_phys,
&apic_x2apic_cluster,
#endif
&apic_physflat,
NULL,
};

static int apicid_phys_pkg_id(int initial_apic_id, int index_msb)
{
return hard_smp_processor_id() >> index_msb;
Expand Down
2 changes: 1 addition & 1 deletion arch/x86/kernel/apic/summit_32.c
Original file line number Diff line number Diff line change
Expand Up @@ -491,7 +491,7 @@ void setup_summit(void)
}
#endif

struct apic apic_summit = {
static struct apic apic_summit = {

.name = "summit",
.probe = probe_summit,
Expand Down
2 changes: 1 addition & 1 deletion arch/x86/kernel/apic/x2apic_cluster.c
Original file line number Diff line number Diff line change
Expand Up @@ -208,7 +208,7 @@ static int x2apic_cluster_probe(void)
return 0;
}

struct apic apic_x2apic_cluster = {
static struct apic apic_x2apic_cluster = {

.name = "cluster x2apic",
.probe = x2apic_cluster_probe,
Expand Down
4 changes: 3 additions & 1 deletion arch/x86/kernel/apic/x2apic_phys.c
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@

int x2apic_phys;

static struct apic apic_x2apic_phys;

static int set_x2apic_phys_mode(char *arg)
{
x2apic_phys = 1;
Expand Down Expand Up @@ -112,7 +114,7 @@ static int x2apic_phys_probe(void)
return apic == &apic_x2apic_phys;
}

struct apic apic_x2apic_phys = {
static struct apic apic_x2apic_phys = {

.name = "physical x2apic",
.probe = x2apic_phys_probe,
Expand Down
4 changes: 3 additions & 1 deletion arch/x86/kernel/apic/x2apic_uv_x.c
Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,8 @@ unsigned int uv_apicid_hibits;
EXPORT_SYMBOL_GPL(uv_apicid_hibits);
static DEFINE_SPINLOCK(uv_nmi_lock);

static struct apic apic_x2apic_uv_x;

static unsigned long __init uv_early_read_mmr(unsigned long addr)
{
unsigned long val, *mmr;
Expand Down Expand Up @@ -331,7 +333,7 @@ static int uv_probe(void)
return apic == &apic_x2apic_uv_x;
}

struct apic __refdata apic_x2apic_uv_x = {
static struct apic __refdata apic_x2apic_uv_x = {

.name = "UV large system",
.probe = uv_probe,
Expand Down

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