x86, apic: Remove smp_callin_clear_local_apic callback

Since commit b5660ba76b41 ("x86, platforms: Remove NUMAQ") removed NUMAQ,
the smp_callin_clear_local_apic() apic callback has been obsolete.
Remove it.

Signed-off-by: David Rientjes <rientjes@google.com>
Link: http://lkml.kernel.org/r/alpine.DEB.2.02.1407302349040.17503@chino.kir.corp.google.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

arch/x86/include/asm/apic.h

@@ -336,7 +336,6 @@ struct apic {
 	int (*wakeup_secondary_cpu)(int apicid, unsigned long start_eip);
 
 	bool wait_for_init_deassert;
-	void (*smp_callin_clear_local_apic)(void);
 	void (*inquire_remote_apic)(int apicid);
 
 	/* apic ops */

arch/x86/kernel/apic/apic_flat_64.c

@@ -197,7 +197,6 @@ static struct apic apic_flat =  {
 	.send_IPI_self			= apic_send_IPI_self,
 
 	.wait_for_init_deassert		= false,
-	.smp_callin_clear_local_apic	= NULL,
 	.inquire_remote_apic		= default_inquire_remote_apic,
 
 	.read				= native_apic_mem_read,
@@ -311,7 +310,6 @@ static struct apic apic_physflat =  {
 	.send_IPI_self			= apic_send_IPI_self,
 
 	.wait_for_init_deassert		= false,
-	.smp_callin_clear_local_apic	= NULL,
 	.inquire_remote_apic		= default_inquire_remote_apic,
 
 	.read				= native_apic_mem_read,

arch/x86/kernel/apic/apic_noop.c

@@ -169,7 +169,6 @@ struct apic apic_noop = {
 	.wakeup_secondary_cpu		= noop_wakeup_secondary_cpu,
 
 	.wait_for_init_deassert		= false,
-	.smp_callin_clear_local_apic	= NULL,
 	.inquire_remote_apic		= NULL,
 
 	.read				= noop_apic_read,

arch/x86/kernel/apic/apic_numachip.c

@@ -247,7 +247,6 @@ static const struct apic apic_numachip __refconst = {
 
 	.wakeup_secondary_cpu		= numachip_wakeup_secondary,
 	.wait_for_init_deassert		= false,
-	.smp_callin_clear_local_apic	= NULL,
 	.inquire_remote_apic		= NULL, /* REMRD not supported */
 
 	.read				= native_apic_mem_read,

arch/x86/kernel/apic/bigsmp_32.c

@@ -197,7 +197,6 @@ static struct apic apic_bigsmp = {
 	.send_IPI_self			= default_send_IPI_self,
 
 	.wait_for_init_deassert		= true,
-	.smp_callin_clear_local_apic	= NULL,
 	.inquire_remote_apic		= default_inquire_remote_apic,
 
 	.read				= native_apic_mem_read,

arch/x86/kernel/apic/probe_32.c

@@ -117,7 +117,6 @@ static struct apic apic_default = {
 	.send_IPI_self			= default_send_IPI_self,
 
 	.wait_for_init_deassert		= true,
-	.smp_callin_clear_local_apic	= NULL,
 	.inquire_remote_apic		= default_inquire_remote_apic,
 
 	.read				= native_apic_mem_read,

arch/x86/kernel/apic/x2apic_cluster.c

@@ -278,7 +278,6 @@ static struct apic apic_x2apic_cluster = {
 	.send_IPI_self			= x2apic_send_IPI_self,
 
 	.wait_for_init_deassert		= false,
-	.smp_callin_clear_local_apic	= NULL,
 	.inquire_remote_apic		= NULL,
 
 	.read				= native_apic_msr_read,

arch/x86/kernel/apic/x2apic_phys.c

@@ -132,7 +132,6 @@ static struct apic apic_x2apic_phys = {
 	.send_IPI_self			= x2apic_send_IPI_self,
 
 	.wait_for_init_deassert		= false,
-	.smp_callin_clear_local_apic	= NULL,
 	.inquire_remote_apic		= NULL,
 
 	.read				= native_apic_msr_read,

arch/x86/kernel/apic/x2apic_uv_x.c

@@ -395,7 +395,6 @@ static struct apic __refdata apic_x2apic_uv_x = {
 
 	.wakeup_secondary_cpu		= uv_wakeup_secondary,
 	.wait_for_init_deassert		= false,
-	.smp_callin_clear_local_apic	= NULL,
 	.inquire_remote_apic		= NULL,
 
 	.read				= native_apic_msr_read,

arch/x86/kernel/smpboot.c

@@ -168,10 +168,6 @@ static void smp_callin(void)
 	 * CPU, first the APIC. (this is probably redundant on most
 	 * boards)
 	 */
-
-	pr_debug("CALLIN, before setup_local_APIC()\n");
-	if (apic->smp_callin_clear_local_apic)
-		apic->smp_callin_clear_local_apic();
 	setup_local_APIC();
 	end_local_APIC_setup();