Run Nick G's spellchecker github.com/client9/misspell, carefuly fix what it found (#4235)

src/runtime/chan.go

@@ -76,7 +76,7 @@ func (b *channelBlockedList) remove(old *channelBlockedList) *channelBlockedList
 	return b
 }
 
-// detatch removes all other channel operations that are part of the same select statement.
+// detach removes all other channel operations that are part of the same select statement.
 // If the input is not part of a select statement, this is a no-op.
 // This must be called before resuming any task blocked on a channel operation in order to ensure that it is not placed on the runqueue twice.
 func (b *channelBlockedList) detach() {
@@ -88,7 +88,7 @@ func (b *channelBlockedList) detach() {
 		// cancel all other channel operations that are part of this select statement
 		switch {
 		case &b.allSelectOps[i] == b:
-			// This entry is the one that was already detatched.
+			// This entry is the one that was already detached.
 			continue
 		case v.t == nil:
 			// This entry is not used (nil channel).

src/runtime/gc_blocks.go

@@ -410,7 +410,7 @@ func GC() {
 	runGC()
 }
 
-// runGC performs a garbage colleciton cycle. It is the internal implementation
+// runGC performs a garbage collection cycle. It is the internal implementation
 // of the runtime.GC() function. The difference is that it returns the number of
 // free bytes in the heap after the GC is finished.
 func runGC() (freeBytes uintptr) {
@@ -424,7 +424,7 @@ func runGC() (freeBytes uintptr) {
 
 	if baremetal && hasScheduler {
 		// Channel operations in interrupts may move task pointers around while we are marking.
-		// Therefore we need to scan the runqueue seperately.
+		// Therefore we need to scan the runqueue separately.
 		var markedTaskQueue task.Queue
 	runqueueScan:
 		for !runqueue.Empty() {

src/runtime/gc_precise.go

@@ -7,7 +7,7 @@
 // however use a bit more RAM to store the layout of each object.
 //
 // The pointer/non-pointer information for objects is stored in the first word
-// of the object. It is described below but in essense it contains a bitstring
+// of the object. It is described below but in essence it contains a bitstring
 // of a particular size. This size does not indicate the size of the object:
 // instead the allocated object is a multiple of the bitstring size. This is so
 // that arrays and slices can store the size of the object efficiently. The

src/runtime/interrupt/interrupt.go

@@ -26,7 +26,7 @@ func New(id int, handler func(Interrupt)) Interrupt
 // and use that in an Interrupt object. That way the compiler will be able to
 // optimize away all interrupt handles that are never used in a program.
 // This system only works when interrupts need to be enabled before use and this
-// is done only through calling Enable() on this object. If interrups cannot
+// is done only through calling Enable() on this object. If interrupts cannot
 // individually be enabled/disabled, the compiler should create a pseudo-call
 // (like runtime/interrupt.use()) that keeps the interrupt alive.
 type handle struct {

src/runtime/interrupt/interrupt_esp32c3.go

@@ -169,7 +169,7 @@ func handleInterrupt() {
 		// save MSTATUS & MEPC, which could be overwritten by another CPU interrupt
 		mstatus := riscv.MSTATUS.Get()
 		mepc := riscv.MEPC.Get()
-		// Useing threshold to temporary disable this interrupts.
+		// Using threshold to temporary disable this interrupts.
 		// FYI: using CPU interrupt enable bit make runtime to loose interrupts.
 		reg := (*volatile.Register32)(unsafe.Add(unsafe.Pointer(&esp.INTERRUPT_CORE0.CPU_INT_PRI_0), interruptNumber*4))
 		thresholdSave := reg.Get()

src/runtime/os_darwin.go

@@ -107,7 +107,7 @@ func findGlobals(found func(start, end uintptr)) {
 			}
 		}
 
-		// Move on to the next load command (wich may or may not be a
+		// Move on to the next load command (which may or may not be a
 		// LC_SEGMENT_64).
 		cmd = (*segmentLoadCommand)(unsafe.Add(unsafe.Pointer(cmd), cmd.cmdsize))
 	}

src/runtime/runtime_atsamd21.go

@@ -318,7 +318,7 @@ func readRTC() uint32 {
 
 // ticks are in microseconds
 // Returns true if the timer completed.
-// Returns false if another interrupt occured which requires an early return to scheduler.
+// Returns false if another interrupt occurred which requires an early return to scheduler.
 func timerSleep(ticks uint32) bool {
 	timerWakeup.Set(0)
 	if ticks < 7 {

src/runtime/runtime_atsamd51.go

@@ -307,7 +307,7 @@ func readRTC() uint32 {
 
 // ticks are in microseconds
 // Returns true if the timer completed.
-// Returns false if another interrupt occured which requires an early return to scheduler.
+// Returns false if another interrupt occurred which requires an early return to scheduler.
 func timerSleep(ticks uint32) bool {
 	timerWakeup.Set(0)
 	if ticks < 8 {

src/runtime/runtime_avrtiny.go

@@ -115,7 +115,7 @@ func sleepTicks(d timeUnit) {
 			// Sleep until the next interrupt happens.
 			avr.Asm("sei\nsleep\ncli")
 			if cmpMatch.Get() != 0 {
-				// The CMP interrupt occured, so we have slept long enough.
+				// The CMP interrupt occurred, so we have slept long enough.
 				cmpMatch.Set(0)
 				break
 			}

src/runtime/runtime_cortexm_hardfault.go

@@ -8,7 +8,7 @@ import (
 
 // This function is called at HardFault.
 // Before this function is called, the stack pointer is reset to the initial
-// stack pointer (loaded from addres 0x0) and the previous stack pointer is
+// stack pointer (loaded from address 0x0) and the previous stack pointer is
 // passed as an argument to this function. This allows for easy inspection of
 // the stack the moment a HardFault occurs, but it means that the stack will be
 // corrupted by this function and thus this handler must not attempt to recover.

src/runtime/runtime_fe310.go

@@ -85,7 +85,7 @@ func handleInterrupt() {
 	riscv.MCAUSE.Set(0)
 }
 
-// initPeripherals configures periperhals the way the runtime expects them.
+// initPeripherals configures peripherals the way the runtime expects them.
 func initPeripherals() {
 	// Configure PLL to output 320MHz.
 	//   R=2:  divide 16MHz to 8MHz

src/runtime/runtime_k210.go

@@ -105,7 +105,7 @@ func handleInterrupt() {
 	riscv.MCAUSE.Set(0)
 }
 
-// initPeripherals configures periperhals the way the runtime expects them.
+// initPeripherals configures peripherals the way the runtime expects them.
 func initPeripherals() {
 	// Enable APB0 clock.
 	kendryte.SYSCTL.CLK_EN_CENT.SetBits(kendryte.SYSCTL_CLK_EN_CENT_APB0_CLK_EN)