Kernel: Move special sections into Sections.h

This also removes a lot of CPU.h includes infavor for Sections.h

Kernel/ACPI/DynamicParser.cpp

@@ -6,6 +6,7 @@
 
 #include <Kernel/ACPI/DynamicParser.h>
 #include <Kernel/ACPI/Parser.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 namespace ACPI {

Kernel/ACPI/Initialize.cpp

@@ -7,6 +7,7 @@
 
 #include <Kernel/ACPI/DynamicParser.h>
 #include <Kernel/CommandLine.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 namespace ACPI {

Kernel/ACPI/MultiProcessorParser.cpp

@@ -10,6 +10,7 @@
 #include <Kernel/Arch/PC/BIOS.h>
 #include <Kernel/Debug.h>
 #include <Kernel/Interrupts/IOAPIC.h>
+#include <Kernel/Sections.h>
 #include <Kernel/StdLib.h>
 #include <Kernel/VM/MemoryManager.h>
 #include <Kernel/VM/TypedMapping.h>

Kernel/ACPI/Parser.cpp

@@ -13,6 +13,7 @@
 #include <Kernel/Debug.h>
 #include <Kernel/IO.h>
 #include <Kernel/PCI/Access.h>
+#include <Kernel/Sections.h>
 #include <Kernel/StdLib.h>
 #include <Kernel/VM/TypedMapping.h>
 

Kernel/Arch/x86/CPU.h

@@ -11,9 +11,6 @@
 
 #include <Kernel/Arch/x86/DescriptorTable.h>
 
-#define READONLY_AFTER_INIT __attribute__((section(".ro_after_init")))
-#define UNMAP_AFTER_INIT NEVER_INLINE __attribute__((section(".unmap_after_init")))
-
 /* Map IRQ0-15 @ ISR 0x50-0x5F */
 #define IRQ_VECTOR_BASE 0x50
 #define GENERIC_INTERRUPT_HANDLERS_COUNT (256 - IRQ_VECTOR_BASE)

Kernel/Arch/x86/common/ASM_wrapper.cpp

@@ -7,8 +7,8 @@
 #include <AK/Types.h>
 
 #include <Kernel/Arch/x86/ASM_wrapper.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/Processor.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Arch/x86/common/Interrupts.cpp

@@ -15,6 +15,7 @@
 #include <Kernel/PerformanceManager.h>
 #include <Kernel/Process.h>
 #include <Kernel/Random.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Thread.h>
 
 #include <LibC/mallocdefs.h>

Kernel/Arch/x86/common/Processor.cpp

@@ -12,11 +12,11 @@
 #include <Kernel/Interrupts/APIC.h>
 #include <Kernel/Process.h>
 #include <Kernel/Random.h>
+#include <Kernel/Sections.h>
 #include <Kernel/StdLib.h>
 #include <Kernel/Thread.h>
 #include <Kernel/VM/ProcessPagingScope.h>
 
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/CPUID.h>
 #include <Kernel/Arch/x86/Interrupts.h>
 #include <Kernel/Arch/x86/Processor.h>

Kernel/Arch/x86/i386/ASM_wrapper.cpp

@@ -7,8 +7,8 @@
 #include <AK/Types.h>
 
 #include <Kernel/Arch/x86/ASM_wrapper.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/Processor.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Arch/x86/i386/Processor.cpp

@@ -5,12 +5,12 @@
  */
 
 #include <AK/StdLibExtras.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/Processor.h>
 #include <Kernel/Arch/x86/TrapFrame.h>
 #include <Kernel/Panic.h>
 #include <Kernel/Process.h>
 #include <Kernel/Random.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Thread.h>
 
 namespace Kernel {

Kernel/Arch/x86/x86_64/ASM_wrapper.cpp

@@ -7,8 +7,8 @@
 #include <AK/Types.h>
 
 #include <Kernel/Arch/x86/ASM_wrapper.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/Processor.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Arch/x86/x86_64/Processor.cpp

@@ -5,12 +5,12 @@
  */
 
 #include <AK/StdLibExtras.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/Processor.h>
 #include <Kernel/Arch/x86/TrapFrame.h>
 #include <Kernel/Panic.h>
 #include <Kernel/Process.h>
 #include <Kernel/Random.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Thread.h>
 
 namespace Kernel {

Kernel/CommandLine.cpp

@@ -5,9 +5,9 @@
  */
 
 #include <AK/StringBuilder.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/CommandLine.h>
 #include <Kernel/Panic.h>
+#include <Kernel/Sections.h>
 #include <Kernel/StdLib.h>
 
 namespace Kernel {

Kernel/ConsoleDevice.cpp

@@ -7,6 +7,7 @@
 #include <AK/Singleton.h>
 #include <Kernel/ConsoleDevice.h>
 #include <Kernel/IO.h>
+#include <Kernel/Sections.h>
 #include <Kernel/SpinLock.h>
 #include <Kernel/kstdio.h>
 

Kernel/DMI.cpp

@@ -10,6 +10,7 @@
 #include <AK/Types.h>
 #include <Kernel/Arch/PC/BIOS.h>
 #include <Kernel/DMI.h>
+#include <Kernel/Sections.h>
 #include <Kernel/StdLib.h>
 #include <Kernel/VM/MappedROM.h>
 #include <Kernel/VM/TypedMapping.h>

Kernel/Devices/FullDevice.cpp

@@ -7,8 +7,8 @@
 #include "FullDevice.h"
 #include <AK/Memory.h>
 #include <AK/StdLibExtras.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Panic.h>
+#include <Kernel/Sections.h>
 #include <LibC/errno_numbers.h>
 
 namespace Kernel {

Kernel/Devices/HID/HIDManagement.cpp

@@ -9,6 +9,7 @@
 #include <Kernel/CommandLine.h>
 #include <Kernel/Devices/HID/HIDManagement.h>
 #include <Kernel/Devices/HID/I8042Controller.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Devices/HID/I8042Controller.cpp

@@ -9,6 +9,7 @@
 #include <Kernel/Devices/HID/PS2MouseDevice.h>
 #include <Kernel/Devices/HID/VMWareMouseDevice.h>
 #include <Kernel/IO.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Devices/HID/KeyboardDevice.cpp

@@ -10,10 +10,10 @@
 #include <AK/Singleton.h>
 #include <AK/StringView.h>
 #include <AK/Types.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Debug.h>
 #include <Kernel/Devices/HID/KeyboardDevice.h>
 #include <Kernel/IO.h>
+#include <Kernel/Sections.h>
 #include <Kernel/TTY/VirtualConsole.h>
 
 namespace Kernel {

Kernel/Devices/HID/PS2KeyboardDevice.cpp

@@ -10,11 +10,11 @@
 #include <AK/Singleton.h>
 #include <AK/StringView.h>
 #include <AK/Types.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Debug.h>
 #include <Kernel/Devices/HID/HIDManagement.h>
 #include <Kernel/Devices/HID/PS2KeyboardDevice.h>
 #include <Kernel/IO.h>
+#include <Kernel/Sections.h>
 #include <Kernel/TTY/ConsoleManagement.h>
 #include <Kernel/WorkQueue.h>
 

Kernel/Devices/HID/PS2MouseDevice.cpp

@@ -10,6 +10,7 @@
 #include <Kernel/Devices/HID/PS2MouseDevice.h>
 #include <Kernel/Devices/VMWareBackdoor.h>
 #include <Kernel/IO.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Devices/HID/VMWareMouseDevice.cpp

@@ -6,6 +6,7 @@
 
 #include <Kernel/Devices/HID/VMWareMouseDevice.h>
 #include <Kernel/Devices/VMWareBackdoor.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Devices/MemoryDevice.cpp

@@ -9,6 +9,7 @@
 #include <AK/StdLibExtras.h>
 #include <Kernel/Arch/PC/BIOS.h>
 #include <Kernel/Panic.h>
+#include <Kernel/Sections.h>
 #include <Kernel/VM/AnonymousVMObject.h>
 #include <Kernel/VM/TypedMapping.h>
 

Kernel/Devices/NullDevice.cpp

@@ -4,9 +4,10 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include "NullDevice.h"
 #include <AK/Singleton.h>
 #include <AK/StdLibExtras.h>
+#include <Kernel/Devices/NullDevice.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Devices/PCISerialDevice.cpp

@@ -5,6 +5,7 @@
  */
 
 #include <Kernel/Devices/PCISerialDevice.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Devices/PCSpeaker.cpp

@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Devices/PCSpeaker.h>
 #include <Kernel/IO.h>
 #include <Kernel/Time/PIT.h>

Kernel/Devices/RandomDevice.cpp

@@ -7,6 +7,7 @@
 #include <Kernel/Devices/RandomDevice.h>
 #include <Kernel/Panic.h>
 #include <Kernel/Random.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Devices/SB16.cpp

@@ -11,6 +11,7 @@
 #include <Kernel/Debug.h>
 #include <Kernel/Devices/SB16.h>
 #include <Kernel/IO.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Thread.h>
 #include <Kernel/VM/AnonymousVMObject.h>
 #include <Kernel/VM/MemoryManager.h>

Kernel/Devices/SerialDevice.cpp

@@ -8,6 +8,7 @@
 #include <Kernel/Devices/SerialDevice.h>
 #include <Kernel/IO.h>
 #include <Kernel/Panic.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Devices/USB/UHCIController.cpp

@@ -11,6 +11,7 @@
 #include <Kernel/Devices/USB/UHCIController.h>
 #include <Kernel/Devices/USB/USBRequest.h>
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <Kernel/StdLib.h>
 #include <Kernel/Time/TimeManagement.h>
 #include <Kernel/VM/AnonymousVMObject.h>

Kernel/Devices/VMWareBackdoor.cpp

@@ -7,11 +7,11 @@
 #include <AK/OwnPtr.h>
 #include <AK/Singleton.h>
 #include <Kernel/API/MousePacket.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/InterruptDisabler.h>
 #include <Kernel/CommandLine.h>
 #include <Kernel/Debug.h>
 #include <Kernel/Devices/VMWareBackdoor.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Devices/ZeroDevice.cpp

@@ -4,10 +4,11 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include "ZeroDevice.h"
 #include <AK/Memory.h>
 #include <AK/StdLibExtras.h>
+#include <Kernel/Devices/ZeroDevice.h>
 #include <Kernel/Panic.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/FileSystem/VirtualFileSystem.cpp

@@ -16,6 +16,7 @@
 #include <Kernel/FileSystem/VirtualFileSystem.h>
 #include <Kernel/KSyms.h>
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <LibC/errno_numbers.h>
 
 namespace Kernel {

Kernel/Graphics/BochsGraphicsAdapter.cpp

@@ -15,6 +15,7 @@
 #include <Kernel/IO.h>
 #include <Kernel/PCI/Access.h>
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <Kernel/VM/AnonymousVMObject.h>
 #include <Kernel/VM/MemoryManager.h>
 #include <Kernel/VM/TypedMapping.h>

Kernel/Graphics/Console/TextModeConsole.cpp

@@ -7,6 +7,7 @@
 #include <Kernel/Graphics/Console/TextModeConsole.h>
 #include <Kernel/Graphics/GraphicsManagement.h>
 #include <Kernel/IO.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel::Graphics {
 

Kernel/Graphics/Console/VGAConsole.cpp

@@ -5,6 +5,7 @@
  */
 
 #include <Kernel/Graphics/Console/VGAConsole.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel::Graphics {
 

Kernel/Graphics/FramebufferDevice.cpp

@@ -9,15 +9,15 @@
 #include <Kernel/Debug.h>
 #include <Kernel/Graphics/FramebufferDevice.h>
 #include <Kernel/Graphics/GraphicsManagement.h>
+#include <Kernel/Panic.h>
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <Kernel/VM/AnonymousVMObject.h>
 #include <Kernel/VM/MemoryManager.h>
 #include <Kernel/VM/TypedMapping.h>
 #include <LibC/errno_numbers.h>
 #include <LibC/sys/ioctl_numbers.h>
 
-#include <Kernel/Panic.h>
-
 #define MAX_RESOLUTION_WIDTH 4096
 #define MAX_RESOLUTION_HEIGHT 2160
 

Kernel/Graphics/GraphicsManagement.cpp

@@ -18,6 +18,7 @@
 #include <Kernel/Multiboot.h>
 #include <Kernel/PCI/IDs.h>
 #include <Kernel/Panic.h>
+#include <Kernel/Sections.h>
 #include <Kernel/VM/AnonymousVMObject.h>
 
 namespace Kernel {

Kernel/Graphics/VGACompatibleAdapter.cpp

@@ -9,6 +9,7 @@
 #include <Kernel/Graphics/GraphicsManagement.h>
 #include <Kernel/Graphics/VGACompatibleAdapter.h>
 #include <Kernel/IO.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Heap/SlabAllocator.cpp

@@ -8,6 +8,7 @@
 #include <AK/Memory.h>
 #include <Kernel/Heap/SlabAllocator.h>
 #include <Kernel/Heap/kmalloc.h>
+#include <Kernel/Sections.h>
 #include <Kernel/SpinLock.h>
 #include <Kernel/VM/Region.h>
 

Kernel/Heap/kmalloc.cpp

@@ -12,7 +12,6 @@
 #include <AK/Assertions.h>
 #include <AK/NonnullOwnPtrVector.h>
 #include <AK/Types.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Debug.h>
 #include <Kernel/Heap/Heap.h>
 #include <Kernel/Heap/kmalloc.h>
@@ -21,6 +20,7 @@
 #include <Kernel/PerformanceManager.h>
 #include <Kernel/Process.h>
 #include <Kernel/Scheduler.h>
+#include <Kernel/Sections.h>
 #include <Kernel/SpinLock.h>
 #include <Kernel/StdLib.h>
 #include <Kernel/VM/MemoryManager.h>

Kernel/Interrupts/APIC.cpp

@@ -16,6 +16,7 @@
 #include <Kernel/Interrupts/APIC.h>
 #include <Kernel/Interrupts/SpuriousInterruptHandler.h>
 #include <Kernel/Panic.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Thread.h>
 #include <Kernel/Time/APICTimer.h>
 #include <Kernel/VM/MemoryManager.h>

Kernel/Interrupts/IOAPIC.cpp

@@ -11,6 +11,7 @@
 #include <Kernel/Interrupts/APIC.h>
 #include <Kernel/Interrupts/IOAPIC.h>
 #include <Kernel/Interrupts/InterruptManagement.h>
+#include <Kernel/Sections.h>
 
 #define IOAPIC_REDIRECTION_ENTRY_OFFSET 0x10
 namespace Kernel {

Kernel/Interrupts/InterruptManagement.cpp

@@ -17,6 +17,7 @@
 #include <Kernel/Interrupts/SharedIRQHandler.h>
 #include <Kernel/Interrupts/SpuriousInterruptHandler.h>
 #include <Kernel/Interrupts/UnhandledInterruptHandler.h>
+#include <Kernel/Sections.h>
 #include <Kernel/VM/TypedMapping.h>
 
 #define PCAT_COMPAT_FLAG 0x1

Kernel/Interrupts/PIC.cpp

@@ -10,6 +10,7 @@
 #include <Kernel/IO.h>
 #include <Kernel/Interrupts/GenericInterruptHandler.h>
 #include <Kernel/Interrupts/PIC.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Interrupts/SharedIRQHandler.cpp

@@ -10,6 +10,7 @@
 #include <Kernel/Interrupts/InterruptManagement.h>
 #include <Kernel/Interrupts/PIC.h>
 #include <Kernel/Interrupts/SharedIRQHandler.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Interrupts/SpuriousInterruptHandler.cpp

@@ -6,6 +6,7 @@
 
 #include <Kernel/Interrupts/InterruptManagement.h>
 #include <Kernel/Interrupts/SpuriousInterruptHandler.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/KSyms.cpp

@@ -11,6 +11,7 @@
 #include <Kernel/KSyms.h>
 #include <Kernel/Process.h>
 #include <Kernel/Scheduler.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Net/E1000ENetworkAdapter.cpp

@@ -8,6 +8,7 @@
 #include <Kernel/Debug.h>
 #include <Kernel/Net/E1000ENetworkAdapter.h>
 #include <Kernel/PCI/IDs.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Net/E1000NetworkAdapter.cpp

@@ -8,6 +8,7 @@
 #include <Kernel/Debug.h>
 #include <Kernel/Net/E1000NetworkAdapter.h>
 #include <Kernel/PCI/IDs.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Net/NE2000NetworkAdapter.cpp

@@ -8,6 +8,7 @@
 #include <Kernel/Debug.h>
 #include <Kernel/IO.h>
 #include <Kernel/Net/NE2000NetworkAdapter.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Net/NetworkingManagement.cpp

@@ -18,6 +18,7 @@
 #include <Kernel/Net/RTL8139NetworkAdapter.h>
 #include <Kernel/Net/RTL8168NetworkAdapter.h>
 #include <Kernel/Panic.h>
+#include <Kernel/Sections.h>
 #include <Kernel/VM/AnonymousVMObject.h>
 
 namespace Kernel {

Kernel/Net/RTL8139NetworkAdapter.cpp

@@ -8,6 +8,7 @@
 #include <Kernel/Debug.h>
 #include <Kernel/IO.h>
 #include <Kernel/Net/RTL8139NetworkAdapter.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/Net/RTL8168NetworkAdapter.cpp

@@ -9,6 +9,7 @@
 #include <Kernel/IO.h>
 #include <Kernel/Net/RTL8168NetworkAdapter.h>
 #include <Kernel/PCI/IDs.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 

Kernel/PCI/Access.cpp

@@ -4,11 +4,11 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Debug.h>
 #include <Kernel/IO.h>
 #include <Kernel/PCI/Access.h>
 #include <Kernel/PCI/IOAccess.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 namespace PCI {

Kernel/PCI/IOAccess.cpp

@@ -4,10 +4,10 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Debug.h>
 #include <Kernel/IO.h>
 #include <Kernel/PCI/IOAccess.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 namespace PCI {

Kernel/PCI/Initializer.cpp

@@ -12,6 +12,7 @@
 #include <Kernel/PCI/MMIOAccess.h>
 #include <Kernel/PCI/WindowedMMIOAccess.h>
 #include <Kernel/Panic.h>
+#include <Kernel/Sections.h>
 
 namespace Kernel {
 namespace PCI {

Kernel/PCI/MMIOAccess.cpp

@@ -6,10 +6,10 @@
 
 #include <AK/Optional.h>
 #include <AK/StringView.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/InterruptDisabler.h>
 #include <Kernel/Debug.h>
 #include <Kernel/PCI/MMIOAccess.h>
+#include <Kernel/Sections.h>
 #include <Kernel/VM/MemoryManager.h>
 
 namespace Kernel {

Kernel/PCI/WindowedMMIOAccess.cpp

@@ -6,10 +6,10 @@
 
 #include <AK/Optional.h>
 #include <AK/StringView.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/InterruptDisabler.h>
 #include <Kernel/Debug.h>
 #include <Kernel/PCI/WindowedMMIOAccess.h>
+#include <Kernel/Sections.h>
 #include <Kernel/VM/MemoryManager.h>
 
 namespace Kernel {

Kernel/Process.cpp

@@ -24,6 +24,7 @@
 #include <Kernel/PerformanceManager.h>
 #include <Kernel/Process.h>
 #include <Kernel/RTC.h>
+#include <Kernel/Sections.h>
 #include <Kernel/StdLib.h>
 #include <Kernel/TTY/TTY.h>
 #include <Kernel/Thread.h>

Kernel/Random.cpp

@@ -9,6 +9,7 @@
 #include <Kernel/Arch/x86/Processor.h>
 #include <Kernel/Devices/RandomDevice.h>
 #include <Kernel/Random.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Time/HPET.h>
 #include <Kernel/Time/RTC.h>
 #include <Kernel/Time/TimeManagement.h>

Kernel/Scheduler.cpp

@@ -15,6 +15,7 @@
 #include <Kernel/Process.h>
 #include <Kernel/RTC.h>
 #include <Kernel/Scheduler.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Time/TimeManagement.h>
 #include <Kernel/TimerQueue.h>
 

Kernel/Sections.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Platform.h>
+
+#define READONLY_AFTER_INIT __attribute__((section(".ro_after_init")))
+#define UNMAP_AFTER_INIT NEVER_INLINE __attribute__((section(".unmap_after_init")))

Kernel/Storage/AHCIController.h

@@ -9,6 +9,7 @@
 #include <AK/OwnPtr.h>
 #include <AK/RefPtr.h>
 #include <AK/Types.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Storage/AHCI.h>
 #include <Kernel/Storage/StorageController.h>
 #include <Kernel/Storage/StorageDevice.h>
@@ -23,7 +24,6 @@ class AHCIController final : public StorageController
     friend class AHCIPortHandler;
     friend class AHCIPort;
     AK_MAKE_ETERNAL
-public:
 public:
     UNMAP_AFTER_INIT static NonnullRefPtr<AHCIController> initialize(PCI::Address address);
     virtual ~AHCIController() override;

Kernel/Storage/AHCIPort.h

@@ -14,6 +14,7 @@
 #include <Kernel/Lock.h>
 #include <Kernel/PhysicalAddress.h>
 #include <Kernel/Random.h>
+#include <Kernel/Sections.h>
 #include <Kernel/SpinLock.h>
 #include <Kernel/Storage/AHCI.h>
 #include <Kernel/Storage/AHCIPortHandler.h>

Kernel/Storage/AHCIPortHandler.h

@@ -14,6 +14,7 @@
 #include <Kernel/Lock.h>
 #include <Kernel/PhysicalAddress.h>
 #include <Kernel/Random.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Storage/AHCIController.h>
 #include <Kernel/Storage/AHCIPort.h>
 #include <Kernel/Storage/StorageDevice.h>

Kernel/Storage/BMIDEChannel.cpp

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <Kernel/Sections.h>
 #include <Kernel/Storage/ATA.h>
 #include <Kernel/Storage/BMIDEChannel.h>
 #include <Kernel/Storage/IDEController.h>

Kernel/Storage/IDEChannel.cpp

@@ -9,6 +9,7 @@
 #include <AK/StringView.h>
 #include <Kernel/IO.h>
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Storage/ATA.h>
 #include <Kernel/Storage/IDEChannel.h>
 #include <Kernel/Storage/IDEController.h>

Kernel/Storage/IDEController.cpp

@@ -8,6 +8,7 @@
 #include <AK/RefPtr.h>
 #include <AK/Types.h>
 #include <Kernel/FileSystem/ProcFS.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Storage/BMIDEChannel.h>
 #include <Kernel/Storage/IDEController.h>
 #include <Kernel/Storage/PATADiskDevice.h>

Kernel/Storage/PATADiskDevice.cpp

@@ -7,6 +7,7 @@
 #include <AK/Memory.h>
 #include <AK/StringView.h>
 #include <Kernel/FileSystem/FileDescription.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Storage/IDEChannel.h>
 #include <Kernel/Storage/IDEController.h>
 #include <Kernel/Storage/PATADiskDevice.h>

Kernel/Syscall.cpp

@@ -10,6 +10,7 @@
 #include <Kernel/Arch/x86/TrapFrame.h>
 #include <Kernel/Panic.h>
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <Kernel/ThreadTracer.h>
 #include <Kernel/VM/MemoryManager.h>
 

Kernel/TTY/ConsoleManagement.cpp

@@ -9,6 +9,7 @@
 #include <Kernel/Debug.h>
 #include <Kernel/Graphics/GraphicsManagement.h>
 #include <Kernel/Panic.h>
+#include <Kernel/Sections.h>
 #include <Kernel/TTY/ConsoleManagement.h>
 
 namespace Kernel {

Kernel/TTY/PTYMultiplexer.cpp

@@ -10,6 +10,7 @@
 #include <Kernel/Debug.h>
 #include <Kernel/FileSystem/FileDescription.h>
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <LibC/errno_numbers.h>
 
 namespace Kernel {

Kernel/TTY/VirtualConsole.cpp

@@ -9,12 +9,12 @@
 #include "VirtualConsole.h"
 #include <AK/StdLibExtras.h>
 #include <AK/String.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Debug.h>
 #include <Kernel/Devices/HID/HIDManagement.h>
 #include <Kernel/Graphics/GraphicsManagement.h>
 #include <Kernel/Heap/kmalloc.h>
 #include <Kernel/IO.h>
+#include <Kernel/Sections.h>
 #include <Kernel/StdLib.h>
 #include <Kernel/TTY/ConsoleManagement.h>
 #include <LibVT/Color.h>

Kernel/Tasks/FinalizerTask.cpp

@@ -5,6 +5,7 @@
  */
 
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Tasks/FinalizerTask.h>
 
 namespace Kernel {

Kernel/Tasks/SyncTask.cpp

@@ -6,6 +6,7 @@
 
 #include <Kernel/FileSystem/VirtualFileSystem.h>
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Tasks/SyncTask.h>
 #include <Kernel/Time/TimeManagement.h>
 

Kernel/Thread.cpp

@@ -17,6 +17,7 @@
 #include <Kernel/PerformanceEventBuffer.h>
 #include <Kernel/Process.h>
 #include <Kernel/Scheduler.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Thread.h>
 #include <Kernel/ThreadTracer.h>
 #include <Kernel/TimerQueue.h>

Kernel/Time/APICTimer.cpp

@@ -4,11 +4,11 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/IO.h>
 #include <Kernel/Interrupts/APIC.h>
 #include <Kernel/Panic.h>
 #include <Kernel/Scheduler.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Thread.h>
 #include <Kernel/Time/APICTimer.h>
 #include <Kernel/Time/TimeManagement.h>

Kernel/Time/HPET.cpp

@@ -8,6 +8,7 @@
 #include <Kernel/ACPI/Parser.h>
 #include <Kernel/Debug.h>
 #include <Kernel/Interrupts/InterruptManagement.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Time/HPET.h>
 #include <Kernel/Time/HPETComparator.h>
 #include <Kernel/Time/TimeManagement.h>

Kernel/Time/HPETComparator.cpp

@@ -4,10 +4,10 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/InterruptDisabler.h>
 #include <Kernel/Assertions.h>
 #include <Kernel/Debug.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Time/HPETComparator.h>
 #include <Kernel/Time/TimeManagement.h>
 

Kernel/Time/PIT.cpp

@@ -4,11 +4,12 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Arch/x86/InterruptDisabler.h>
 #include <Kernel/IO.h>
+#include <Kernel/Interrupts/GenericInterruptHandler.h>
 #include <Kernel/Interrupts/PIC.h>
 #include <Kernel/Scheduler.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Thread.h>
 #include <Kernel/Time/PIT.h>
 #include <Kernel/Time/TimeManagement.h>

Kernel/Time/TimeManagement.cpp

@@ -13,6 +13,7 @@
 #include <Kernel/Interrupts/APIC.h>
 #include <Kernel/PerformanceManager.h>
 #include <Kernel/Scheduler.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Time/APICTimer.h>
 #include <Kernel/Time/HPET.h>
 #include <Kernel/Time/HPETComparator.h>

Kernel/TimerQueue.cpp

@@ -7,8 +7,8 @@
 #include <AK/NonnullOwnPtr.h>
 #include <AK/Singleton.h>
 #include <AK/Time.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Scheduler.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Time/TimeManagement.h>
 #include <Kernel/TimerQueue.h>
 

Kernel/VM/MemoryManager.cpp

@@ -7,12 +7,12 @@
 #include <AK/Assertions.h>
 #include <AK/Memory.h>
 #include <AK/StringView.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/CMOS.h>
 #include <Kernel/FileSystem/Inode.h>
 #include <Kernel/Heap/kmalloc.h>
 #include <Kernel/Multiboot.h>
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <Kernel/StdLib.h>
 #include <Kernel/VM/AnonymousVMObject.h>
 #include <Kernel/VM/ContiguousVMObject.h>

Kernel/VM/PageDirectory.cpp

@@ -8,6 +8,7 @@
 #include <AK/Singleton.h>
 #include <Kernel/Process.h>
 #include <Kernel/Random.h>
+#include <Kernel/Sections.h>
 #include <Kernel/VM/MemoryManager.h>
 #include <Kernel/VM/PageDirectory.h>
 

Kernel/VM/PhysicalPage.h

@@ -7,7 +7,6 @@
 #pragma once
 
 #include <AK/NonnullRefPtr.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/Assertions.h>
 #include <Kernel/Heap/SlabAllocator.h>
 #include <Kernel/PhysicalAddress.h>

Kernel/VM/Range.cpp

@@ -6,9 +6,9 @@
  */
 
 #include <AK/Vector.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/VM/MemoryManager.h>
 #include <Kernel/VM/Range.h>
+#include <LibC/limits.h>
 
 namespace Kernel {
 

Kernel/VM/RangeAllocator.h

@@ -8,7 +8,6 @@
 
 #include <AK/Traits.h>
 #include <AK/Vector.h>
-#include <Kernel/Arch/x86/CPU.h>
 #include <Kernel/SpinLock.h>
 #include <Kernel/VM/Range.h>
 

Kernel/VirtIO/VirtIO.cpp

@@ -6,6 +6,7 @@
 
 #include <Kernel/CommandLine.h>
 #include <Kernel/PCI/IDs.h>
+#include <Kernel/Sections.h>
 #include <Kernel/VirtIO/VirtIO.h>
 #include <Kernel/VirtIO/VirtIOConsole.h>
 #include <Kernel/VirtIO/VirtIORNG.h>

Kernel/VirtIO/VirtIOConsole.cpp

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <Kernel/Sections.h>
 #include <Kernel/VirtIO/VirtIOConsole.h>
 
 namespace Kernel {

Kernel/VirtIO/VirtIORNG.cpp

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <Kernel/Sections.h>
 #include <Kernel/VirtIO/VirtIORNG.h>
 
 namespace Kernel {

Kernel/WorkQueue.cpp

@@ -5,6 +5,7 @@
  */
 
 #include <Kernel/Process.h>
+#include <Kernel/Sections.h>
 #include <Kernel/SpinLock.h>
 #include <Kernel/WaitQueue.h>
 #include <Kernel/WorkQueue.h>

Kernel/init.cpp

@@ -42,6 +42,7 @@
 #include <Kernel/RTC.h>
 #include <Kernel/Random.h>
 #include <Kernel/Scheduler.h>
+#include <Kernel/Sections.h>
 #include <Kernel/Storage/StorageManagement.h>
 #include <Kernel/TTY/ConsoleManagement.h>
 #include <Kernel/TTY/PTYMultiplexer.h>