diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 3549c94..c478449 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -791,7 +791,7 @@
 early_param("additional_cpus", setup_additional_cpus);
 
 /*
- * cpu_possible_map should be static, it cannot change as cpu's
+ * cpu_possible_map should be static, it cannot change as CPUs
  * are onlined, or offlined. The reason is per-cpu data-structures
  * are allocated by some modules at init time, and dont expect to
  * do this dynamically on cpu arrival/departure.
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index aeb79fb..e80c82c 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -163,7 +163,7 @@
 		return NOTIFY_DONE;
 
 	nd = (struct ia64_mca_notify_die *)args->err;
-	/* Reason code 1 means machine check rendezous*/
+	/* Reason code 1 means machine check rendezvous*/
 	if ((val == DIE_INIT_MONARCH_ENTER || val == DIE_INIT_SLAVE_ENTER) &&
 		 nd->sos->rv_rc == 1)
 		return NOTIFY_DONE;
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index b4c2396..407b458 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -4,7 +4,7 @@
  *	Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
  *
  * This file contains the code used by various IRQ handling routines:
- * asking for different IRQ's should be done through these routines
+ * asking for different IRQs should be done through these routines
  * instead of just grabbing them. Thus setups with different IRQ numbers
  * shouldn't result in any weird surprises, and installing new handlers
  * should be easier.
@@ -12,7 +12,7 @@
  * Copyright (C) Ashok Raj<ashok.raj@intel.com>, Intel Corporation 2004
  *
  * 4/14/2004: Added code to handle cpu migration and do safe irq
- *			migration without lossing interrupts for iosapic
+ *			migration without losing interrupts for iosapic
  *			architecture.
  */
 
@@ -190,7 +190,7 @@
 	}
 
 	/*
-	 * Phase 1: Locate irq's bound to this cpu and
+	 * Phase 1: Locate IRQs bound to this cpu and
 	 * relocate them for cpu removal.
 	 */
 	migrate_irqs();
diff --git a/arch/ia64/kernel/irq_lsapic.c b/arch/ia64/kernel/irq_lsapic.c
index c2f07be..e56a7a3 100644
--- a/arch/ia64/kernel/irq_lsapic.c
+++ b/arch/ia64/kernel/irq_lsapic.c
@@ -23,7 +23,7 @@
 static void
 lsapic_noop (unsigned int irq)
 {
-	/* nuthing to do... */
+	/* nothing to do... */
 }
 
 static int lsapic_retrigger(unsigned int irq)
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index 72e593e..be81fe4 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -151,12 +151,12 @@
 
 	cmp_inst.l = kprobe_inst;
 	if ((cmp_inst.f.x2 == 0) || (cmp_inst.f.x2 == 1)) {
-		/* Integere compare - Register Register (A6 type)*/
+		/* Integer compare - Register Register (A6 type)*/
 		if ((cmp_inst.f.tb == 0) && (cmp_inst.f.ta == 0)
 				&&(cmp_inst.f.c == 1))
 			ctype_unc = 1;
 	} else if ((cmp_inst.f.x2 == 2)||(cmp_inst.f.x2 == 3)) {
-		/* Integere compare - Immediate Register (A8 type)*/
+		/* Integer compare - Immediate Register (A8 type)*/
 		if ((cmp_inst.f.ta == 0) &&(cmp_inst.f.c == 1))
 			ctype_unc = 1;
 	}
@@ -954,7 +954,7 @@
 	/*
 	 * Callee owns the argument space and could overwrite it, eg
 	 * tail call optimization. So to be absolutely safe
-	 * we save the argument space before transfering the control
+	 * we save the argument space before transferring the control
 	 * to instrumented jprobe function which runs in
 	 * the process context
 	 */
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 70b8bdb..aba813c 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -438,7 +438,7 @@
  * @peidx:	pointer of index of processor error section
  *
  * Return value:
- *	target address on Success / 0 on Failue
+ *	target address on Success / 0 on Failure
  */
 static u64
 get_target_identifier(peidx_table_t *peidx)
@@ -701,7 +701,7 @@
 		return fatal_mca("External bus check fatal status");
 
 	/*
-	 * This is a local MCA and estimated as a recoverble error.
+	 * This is a local MCA and estimated as a recoverable error.
 	 */
 	if (platform)
 		return recover_from_platform_error(slidx, peidx, pbci, sos);
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 158e3c5..1962879 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -861,7 +861,7 @@
 /*
  * Modules contain a single unwind table which covers both the core and the init text
  * sections but since the two are not contiguous, we need to split this table up such that
- * we can register (and unregister) each "segment" seperately.  Fortunately, this sounds
+ * we can register (and unregister) each "segment" separately.  Fortunately, this sounds
  * more complicated than it really is.
  */
 static void
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index e7191ca..b7133ca 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -1318,7 +1318,7 @@
 {
 	unsigned long flags;
 	/*
-	 * validy checks on cpu_mask have been done upstream
+	 * validity checks on cpu_mask have been done upstream
 	 */
 	LOCK_PFS(flags);
 
@@ -1384,7 +1384,7 @@
 {
 	unsigned long flags;
 	/*
-	 * validy checks on cpu_mask have been done upstream
+	 * validity checks on cpu_mask have been done upstream
 	 */
 	LOCK_PFS(flags);
 
@@ -1835,7 +1835,7 @@
 	/*
 	 * remove our file from the async queue, if we use this mode.
 	 * This can be done without the context being protected. We come
-	 * here when the context has become unreacheable by other tasks.
+	 * here when the context has become unreachable by other tasks.
 	 *
 	 * We may still have active monitoring at this point and we may
 	 * end up in pfm_overflow_handler(). However, fasync_helper()
@@ -2132,7 +2132,7 @@
 	filp->private_data = NULL;
 
 	/*
-	 * if we free on the spot, the context is now completely unreacheable
+	 * if we free on the spot, the context is now completely unreachable
 	 * from the callers side. The monitored task side is also cut, so we
 	 * can freely cut.
 	 *
@@ -2562,7 +2562,7 @@
 	ctx->ctx_all_pmcs[0] = pmu_conf->impl_pmcs[0] & ~0x1;
 
 	/*
-	 * bitmask of all PMDs that are accesible to this context
+	 * bitmask of all PMDs that are accessible to this context
 	 */
 	ctx->ctx_all_pmds[0] = pmu_conf->impl_pmds[0];
 
@@ -3395,7 +3395,7 @@
 		if (unlikely(!PMD_IS_IMPL(cnum))) goto error;
 		/*
 		 * we can only read the register that we use. That includes
-		 * the one we explicitely initialize AND the one we want included
+		 * the one we explicitly initialize AND the one we want included
 		 * in the sampling buffer (smpl_regs).
 		 *
 		 * Having this restriction allows optimization in the ctxsw routine
@@ -3715,7 +3715,7 @@
 	 * if non-blocking, then we ensure that the task will go into
 	 * pfm_handle_work() before returning to user mode.
 	 *
-	 * We cannot explicitely reset another task, it MUST always
+	 * We cannot explicitly reset another task, it MUST always
 	 * be done by the task itself. This works for system wide because
 	 * the tool that is controlling the session is logically doing 
 	 * "self-monitoring".
@@ -4644,7 +4644,7 @@
 	switch(state) {
 		case PFM_CTX_UNLOADED:
 			/*
-	 		 * only comes to thios function if pfm_context is not NULL, i.e., cannot
+	 		 * only comes to this function if pfm_context is not NULL, i.e., cannot
 			 * be in unloaded state
 	 		 */
 			printk(KERN_ERR "perfmon: pfm_exit_thread [%d] ctx unloaded\n", task->pid);
@@ -5247,7 +5247,7 @@
 
 /*
  * main overflow processing routine.
- * it can be called from the interrupt path or explicitely during the context switch code
+ * it can be called from the interrupt path or explicitly during the context switch code
  */
 static void
 pfm_overflow_handler(struct task_struct *task, pfm_context_t *ctx, u64 pmc0, struct pt_regs *regs)
diff --git a/arch/ia64/kernel/perfmon_mckinley.h b/arch/ia64/kernel/perfmon_mckinley.h
index 9becccd..c4bec7a 100644
--- a/arch/ia64/kernel/perfmon_mckinley.h
+++ b/arch/ia64/kernel/perfmon_mckinley.h
@@ -181,7 +181,7 @@
 	.pmc_desc      = pfm_mck_pmc_desc,
 	.num_ibrs       = 8,
 	.num_dbrs       = 8,
-	.use_rr_dbregs = 1 /* debug register are use for range retrictions */
+	.use_rr_dbregs = 1 /* debug register are use for range restrictions */
 };
 
 
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index 37c876f..27c2ef4 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -134,7 +134,7 @@
 	 * interrupt redirection. The reason is this would require that
 	 * All interrupts be stopped and hard bind the irq to a cpu.
 	 * Later when the interrupt is fired we need to set the redir hint
-	 * on again in the vector. This is combersome for something that the
+	 * on again in the vector. This is cumbersome for something that the
 	 * user mode irq balancer will solve anyways.
 	 */
 	no_int_routing=1;
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index 89f6b13..25cd75f 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -162,7 +162,7 @@
 /** salinfo_platform_oemdata - optional callback to decode oemdata from an error
  * record.
  * @sect_header: pointer to the start of the section to decode.
- * @oemdata: returns vmalloc area containing the decded output.
+ * @oemdata: returns vmalloc area containing the decoded output.
  * @oemdata_size: returns length of decoded output (strlen).
  *
  * Description: If user space asks for oem data to be decoded by the kernel
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 9df1efe..eaa6a24 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -576,7 +576,7 @@
 }
 
 /*
- * Display cpu info for all cpu's.
+ * Display cpu info for all CPUs.
  */
 static int
 show_cpuinfo (struct seq_file *m, void *v)
@@ -761,7 +761,7 @@
 	c->cpu = smp_processor_id();
 
 	/* below default values will be overwritten  by identify_siblings() 
-	 * for Multi-Threading/Multi-Core capable cpu's
+	 * for Multi-Threading/Multi-Core capable CPUs
 	 */
 	c->threads_per_core = c->cores_per_socket = c->num_log = 1;
 	c->socket_id = -1;
@@ -947,7 +947,7 @@
 	ia32_cpu_init();
 #endif
 
-	/* Clear ITC to eliminiate sched_clock() overflows in human time.  */
+	/* Clear ITC to eliminate sched_clock() overflows in human time.  */
 	ia64_set_itc(0);
 
 	/* disable all local interrupt sources: */
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 221de38..b3a47f9 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -186,7 +186,7 @@
 }
 
 /*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
  */
 static inline void
 send_IPI_single (int dest_cpu, int op)
@@ -196,7 +196,7 @@
 }
 
 /*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
  */
 static inline void
 send_IPI_allbutself (int op)
@@ -210,7 +210,7 @@
 }
 
 /*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
  */
 static inline void
 send_IPI_all (int op)
@@ -223,7 +223,7 @@
 }
 
 /*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
  */
 static inline void
 send_IPI_self (int op)
@@ -252,7 +252,7 @@
 }
 #endif
 /*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
  */
 void
 smp_send_reschedule (int cpu)
@@ -261,7 +261,7 @@
 }
 
 /*
- * Called with preeemption disabled.
+ * Called with preemption disabled.
  */
 static void
 smp_send_local_flush_tlb (int cpu)
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index a44792d..5429580 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -694,7 +694,7 @@
 			set_cpei_target_cpu(new_cpei_cpu);
 			desc = irq_desc + ia64_cpe_irq;
 			/*
-			 * Switch for now, immediatly, we need to do fake intr
+			 * Switch for now, immediately, we need to do fake intr
 			 * as other interrupts, but need to study CPEI behaviour with
 			 * polling before making changes.
 			 */
@@ -840,7 +840,7 @@
 }
 
 /*
- * Assume that CPU's have been discovered by some platform-dependent interface.  For
+ * Assume that CPUs have been discovered by some platform-dependent interface.  For
  * SoftSDV/Lion, that would be ACPI.
  *
  * Setup of the IPI irq handler is done in irq.c:init_IRQ_SMP().
@@ -854,7 +854,7 @@
 	} *ap_startup;
 	long sal_ret;
 
-	/* Tell SAL where to drop the AP's.  */
+	/* Tell SAL where to drop the APs.  */
 	ap_startup = (struct fptr *) start_ap;
 	sal_ret = ia64_sal_set_vectors(SAL_VECTOR_OS_BOOT_RENDEZ,
 				       ia64_tpa(ap_startup->fp), ia64_tpa(ap_startup->gp), 0, 0, 0, 0);
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index a06667c..bf7e7b5 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -216,7 +216,7 @@
 #ifdef CONFIG_SMP
 		/* On IA64 in an SMP configuration ITCs are never accurately synchronized.
 		 * Jitter compensation requires a cmpxchg which may limit
-		 * the scalability of the syscalls for retrieving time.
+		 * the scalibility of the syscalls for retrieving time.
 		 * The ITC synchronization is usually successful to within a few
 		 * ITC ticks but this is not a sure thing. If you need to improve
 		 * timer performance in SMP situations then boot the kernel with the
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index b8e0d70..15ad85d 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -304,7 +304,7 @@
 			 * Lower 4 bits are used as a count. Upper bits are a sequence
 			 * number that is updated when count is reset. The cmpxchg will
 			 * fail is seqno has changed. This minimizes mutiple cpus
-			 * reseting the count.
+			 * resetting the count.
 			 */
 			if (current_jiffies > last.time)
 				(void) cmpxchg_acq(&last.count, count, 16 + (count & ~15));
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index fe14262..7d3dd6c 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -2,7 +2,7 @@
  * Copyright (C) 1999-2004 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  * Copyright (C) 2003 Fenghua Yu <fenghua.yu@intel.com>
- * 	- Change pt_regs_off() to make it less dependant on pt_regs structure.
+ * 	- Change pt_regs_off() to make it less dependent on pt_regs structure.
  */
 /*
  * This file implements call frame unwind support for the Linux