Everywhere: Fix a variety of typos

Spelling fixes found by `codespell`.

Kernel/Arch/aarch64/TrapFrame.h

@@ -15,7 +15,7 @@ namespace Kernel {
 struct TrapFrame {
     u64 x[31];     // Saved general purpose registers
     u64 spsr_el1;  // Save Processor Status Register, EL1
-    u64 elr_el1;   // Exception Link Reigster, EL1
+    u64 elr_el1;   // Exception Link Register, EL1
     u64 tpidr_el1; // EL0 thread ID
     u64 sp_el0;    // EL0 stack pointer
 };

Kernel/Devices/HID/I8042Controller.cpp

@@ -112,7 +112,7 @@ UNMAP_AFTER_INIT ErrorOr<void> I8042Controller::detect_devices()
 
         // Note: The default BIOS on the QEMU microvm machine type (qboot) doesn't
         // behave like SeaBIOS, which means it doesn't set first port scan code translation.
-        // Howerver we rely on compatbility feature of the i8042 to send scan codes of set 1.
+        // However we rely on compatibility feature of the i8042 to send scan codes of set 1.
         // To ensure that the controller is always outputting correct scan codes, set it
         // to scan code 2 (because SeaBIOS on regular QEMU machine does this for us) and enable
         // first port translation to ensure all scan codes are translated to scan code set 1.

Kernel/PerformanceManager.h

@@ -149,7 +149,7 @@ public:
                 return;
             filepath_string_index = registered_result.value();
         } else {
-            auto invalid_path_string = KString::try_create("<INVALID_FILE_PATH>"sv); // TODO: Performance, unecessary allocations.
+            auto invalid_path_string = KString::try_create("<INVALID_FILE_PATH>"sv); // TODO: Performance, unnecessary allocations.
             if (invalid_path_string.is_error())
                 return;
             auto registered_result = event_buffer->register_string(move(invalid_path_string.value()));

Kernel/Storage/StorageDevice.h

@@ -100,7 +100,7 @@ private:
     // Note: This data member should be used with LUNAddress target_id and disk_id.
     // LUNs are agnostic system-wide addresses, so they are assigned without caring about the specific hardware interfaces.
     // This class member on the other side, is meant to be assigned *per hardware type*,
-    // which means in constrast to the LUNAddress controller_id struct member, we take the index of the hardware
+    // which means in contrast to the LUNAddress controller_id struct member, we take the index of the hardware
     // controller among its fellow controllers of the same hardware type in the system.
     u32 const m_hardware_relative_controller_id { 0 };
 

Kernel/Syscall.cpp

@@ -236,7 +236,7 @@ NEVER_INLINE void syscall_handler(TrapFrame* trap)
     // Check if we're supposed to return to userspace or just die.
     current_thread->die_if_needed();
 
-    // Crash any processes which have commited a promise violation during syscall handling.
+    // Crash any processes which have committed a promise violation during syscall handling.
     if (result.is_error() && result.error().code() == EPROMISEVIOLATION) {
         VERIFY(current_thread->is_promise_violation_pending());
         current_thread->set_promise_violation_pending(false);

Kernel/Syscalls/mmap.cpp

@@ -606,7 +606,7 @@ ErrorOr<FlatPtr> Process::sys$msync(Userspace<void*> address, size_t size, int f
 
     return address_space().with([&](auto& space) -> ErrorOr<FlatPtr> {
         auto regions = TRY(space->find_regions_intersecting(Memory::VirtualRange { address.vaddr(), rounded_size }));
-        // All regions from address upto address+size shall be mapped
+        // All regions from address up to address+size shall be mapped
         if (regions.is_empty())
             return ENOMEM;
 

Kernel/init.cpp

@@ -245,7 +245,7 @@ extern "C" [[noreturn]] UNMAP_AFTER_INIT void init(BootInfo const& boot_info)
 
     if (APIC::initialized() && APIC::the().enabled_processor_count() > 1) {
         // We must set up the AP boot environment before switching to a kernel process,
-        // as pages below address USER_RANGE_BASE are only accesible through the kernel
+        // as pages below address USER_RANGE_BASE are only accessible through the kernel
         // page directory.
         APIC::the().setup_ap_boot_environment();
     }