x86/apic: Cleanup the include maze

All of these APIC files include the world and some more. Remove the
unneeded cruft.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20190722105219.342631201@linutronix.de

arch/x86/kernel/apic/apic_flat_64.c

@@ -8,21 +8,14 @@
  * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
  * James Cleverdon.
  */
-#include <linux/acpi.h>
-#include <linux/errno.h>
-#include <linux/threads.h>
 #include <linux/cpumask.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/ctype.h>
-#include <linux/hardirq.h>
 #include <linux/export.h>
+#include <linux/acpi.h>
 
-#include <asm/smp.h>
-#include <asm/ipi.h>
-#include <asm/apic.h>
-#include <asm/apic_flat_64.h>
 #include <asm/jailhouse_para.h>
+#include <asm/apic_flat_64.h>
+#include <asm/apic.h>
+#include <asm/ipi.h>
 
 static struct apic apic_physflat;
 static struct apic apic_flat;

arch/x86/kernel/apic/apic_noop.c

@@ -9,25 +9,9 @@
  * to not uglify the caller's code and allow to call (some) apic routines
  * like self-ipi, etc...
  */
-
-#include <linux/threads.h>
 #include <linux/cpumask.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/ctype.h>
-#include <linux/errno.h>
-#include <asm/fixmap.h>
-#include <asm/mpspec.h>
-#include <asm/apicdef.h>
+
 #include <asm/apic.h>
-#include <asm/setup.h>
-
-#include <linux/smp.h>
-#include <asm/ipi.h>
-
-#include <linux/interrupt.h>
-#include <asm/acpi.h>
-#include <asm/e820/api.h>
 
 static void noop_init_apic_ldr(void) { }
 static void noop_send_IPI(int cpu, int vector) { }

arch/x86/kernel/apic/apic_numachip.c

@@ -10,15 +10,15 @@
  * Send feedback to <support@numascale.com>
  *
  */
-
+#include <linux/types.h>
 #include <linux/init.h>
 
 #include <asm/numachip/numachip.h>
 #include <asm/numachip/numachip_csr.h>
-#include <asm/ipi.h>
+
 #include <asm/apic_flat_64.h>
 #include <asm/pgtable.h>
-#include <asm/pci_x86.h>
+#include <asm/ipi.h>
 
 u8 numachip_system __read_mostly;
 static const struct apic apic_numachip1;

arch/x86/kernel/apic/ipi.c

@@ -1,21 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0
+
 #include <linux/cpumask.h>
-#include <linux/interrupt.h>
 
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/spinlock.h>
-#include <linux/kernel_stat.h>
-#include <linux/mc146818rtc.h>
-#include <linux/cache.h>
-#include <linux/cpu.h>
-
-#include <asm/smp.h>
-#include <asm/mtrr.h>
-#include <asm/tlbflush.h>
-#include <asm/mmu_context.h>
 #include <asm/apic.h>
-#include <asm/proto.h>
 #include <asm/ipi.h>
 
 void __default_send_IPI_shortcut(unsigned int shortcut, int vector, unsigned int dest)

arch/x86/kernel/apic/probe_32.c

@@ -6,26 +6,12 @@
  *
  * Generic x86 APIC driver probe layer.
  */
-#include <linux/threads.h>
-#include <linux/cpumask.h>
 #include <linux/export.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/apic.h>
-#include <asm/setup.h>
-
-#include <linux/smp.h>
-#include <asm/ipi.h>
-
-#include <linux/interrupt.h>
 #include <asm/acpi.h>
-#include <asm/e820/api.h>
+#include <asm/ipi.h>
 
 #ifdef CONFIG_HOTPLUG_CPU
 #define DEFAULT_SEND_IPI	(1)

arch/x86/kernel/apic/probe_64.c

@@ -8,19 +8,8 @@
  * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
  * James Cleverdon.
  */
-#include <linux/threads.h>
-#include <linux/cpumask.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/ctype.h>
-#include <linux/hardirq.h>
-#include <linux/dmar.h>
-
-#include <asm/smp.h>
 #include <asm/apic.h>
 #include <asm/ipi.h>
-#include <asm/setup.h>
 
 /*
  * Check the APIC IDs in bios_cpu_apicid and choose the APIC mode.

arch/x86/kernel/apic/x2apic_cluster.c

@@ -1,14 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0
-#include <linux/threads.h>
-#include <linux/cpumask.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/ctype.h>
-#include <linux/dmar.h>
-#include <linux/irq.h>
-#include <linux/cpu.h>
 
-#include <asm/smp.h>
+#include <linux/cpuhotplug.h>
+#include <linux/cpumask.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+
+#include <asm/apic.h>
+
 #include "x2apic.h"
 
 struct cluster_mask {

arch/x86/kernel/apic/x2apic_phys.c

@@ -1,13 +1,10 @@
 // SPDX-License-Identifier: GPL-2.0
-#include <linux/threads.h>
-#include <linux/cpumask.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/ctype.h>
-#include <linux/dmar.h>
 
-#include <asm/smp.h>
+#include <linux/cpumask.h>
+#include <linux/acpi.h>
+
 #include <asm/ipi.h>
+
 #include "x2apic.h"
 
 int x2apic_phys;

arch/x86/kernel/apic/x2apic_uv_x.c

@@ -7,40 +7,20 @@
  *
  * Copyright (C) 2007-2014 Silicon Graphics, Inc. All rights reserved.
  */
-#include <linux/cpumask.h>
-#include <linux/hardirq.h>
-#include <linux/proc_fs.h>
-#include <linux/threads.h>
-#include <linux/kernel.h>
-#include <linux/export.h>
-#include <linux/string.h>
-#include <linux/ctype.h>
-#include <linux/sched.h>
-#include <linux/timer.h>
-#include <linux/slab.h>
-#include <linux/cpu.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/pci.h>
-#include <linux/kdebug.h>
-#include <linux/delay.h>
 #include <linux/crash_dump.h>
-#include <linux/reboot.h>
+#include <linux/cpuhotplug.h>
+#include <linux/cpumask.h>
+#include <linux/proc_fs.h>
 #include <linux/memory.h>
-#include <linux/numa.h>
+#include <linux/export.h>
+#include <linux/pci.h>
 
+#include <asm/e820/api.h>
 #include <asm/uv/uv_mmrs.h>
 #include <asm/uv/uv_hub.h>
-#include <asm/current.h>
-#include <asm/pgtable.h>
 #include <asm/uv/bios.h>
 #include <asm/uv/uv.h>
 #include <asm/apic.h>
-#include <asm/e820/api.h>
-#include <asm/ipi.h>
-#include <asm/smp.h>
-#include <asm/x86_init.h>
-#include <asm/nmi.h>
 
 DEFINE_PER_CPU(int, x2apic_extra_bits);