devicemodel: Fix spelling and grammar mistakes.

Tracked-On: #8498

Signed-off-by: Muhammad Qasim Abdul Majeed <qasim.majeed20@gmail.com>

devicemodel/arch/x86/pm.c

@@ -192,7 +192,7 @@ void
 pm_backto_wakeup(struct vmctx *ctx)
 {
 	/* According to ACPI 5.0 Table 4-16: bit 15, WAK_STS should be
-	 * set when system trasition to the working state
+	 * set when system transition to the working state
 	 */
 	pm1_status |= PM1_WAK_STS;
 }

devicemodel/core/hugetlb.c

@@ -446,7 +446,7 @@ static bool release_larger_freepage(int level_limit)
 		if (hugetlb_priv[level].pages_delta >= 0)
 			continue;
 
-		/* free one unsed larger page */
+		/* free one un-used larger page */
 		orig_pages = read_sys_info(hugetlb_priv[level].nr_pages_path);
 		total_pages = orig_pages - 1;
 		snprintf(cmd_buf, MAX_PATH_LEN, "echo %d > %s",
@@ -483,7 +483,7 @@ static bool release_larger_freepage(int level_limit)
  *.D.enough higher level free pages, but not enough free memory for
  *    lower level gap pages, so release some higher level free pages for that.
  * other info:
- *.   even enough free memory, it is eaiser to reserve smaller pages than
+ *.   even enough free memory, it is easier to reserve smaller pages than
  * lager ones, for example:2MB easier than 1GB. One flow of current solution:
  *.it could leave Service VM very small free memory.
  *.return value: true: success; false: failure
@@ -507,8 +507,8 @@ static bool hugetlb_reserve_pages(void)
 
 		/* probably system allocates fewer pages than needed
 		 * especially for larger page like 1GB, even there is enough
-		 * free memory, it stil can fail to allocate 1GB huge page.
-		 * so if that,it needs the next level to handle it.
+		 * free memory, it still can fail to allocate 1GB huge page.
+		 * so if that, it needs the next level to handle it.
 		 */
 		if (level > HUGETLB_LV1) {
 			left_gap = hugetlb_priv[level].pages_delta;
@@ -901,7 +901,7 @@ bool vm_allow_dmabuf(struct vmctx *ctx)
 	}
 
 	if (ctx->lowmem) {
-		/* Check the lowhmem is used by HUGETLB_LV1/HUGETLB_LV2 */
+		/* Check the lowmem is used by HUGETLB_LV1/HUGETLB_LV2 */
 		mem_flags = 0;
 		if ((hugetlb_priv[HUGETLB_LV1].fd > 0) &&
 			(hugetlb_priv[HUGETLB_LV1].lowmem))

devicemodel/core/iothread.c

@@ -50,7 +50,7 @@ io_thread(void *arg)
 		for (i = 0; i < n; i++) {
 			aevp = eventlist[i].data.ptr;
 			if (aevp && aevp->run) {
-				/* Mitigate the epoll_wait repeat cycles by reading out the events as more as possile.*/
+				/* Mitigate the epoll_wait repeat cycles by reading out the events as more as possible.*/
 				do {
 					status = read(aevp->fd, buf, sizeof(buf));
 				} while (status == MAX_EVENT_NUM);

devicemodel/core/main.c

@@ -166,7 +166,7 @@ usage(int code)
 		"       -v: version\n"
 		"       --ovmf: ovmf file path\n"
 		"       --iasl: iasl compiler path\n"
-		"       --ssram: Congfiure Software SRAM parameters\n"
+		"       --ssram: Configure Software SRAM parameters\n"
 		"       --cpu_affinity: list of Service VM vCPUs assigned to this User VM, the vCPUs are"
 		"	     identified by their local APIC IDs.\n"
 		"       --enable_trusty: enable trusty for guest\n"
@@ -176,7 +176,7 @@ usage(int code)
 		"       --cmd_monitor: enable command monitor\n"
 		"            its params: unix domain socket path\n"
 		"       --virtio_poll: enable virtio poll mode with poll interval with ns\n"
-		"       --acpidev_pt: acpi device ID args: HID in ACPI Table\n"
+		"       --acpidev_pt: ACPI device ID args: HID in ACPI Table\n"
 		"       --mmiodev_pt: MMIO resources args: physical MMIO regions\n"
 		"       --vtpm2: Virtual TPM2 args: sock_path=$PATH_OF_SWTPM_SOCKET\n"
 		"       --lapic_pt: enable local apic passthrough\n"

devicemodel/core/mevent.c

@@ -72,7 +72,7 @@ struct mevent {
 };
 
 static LIST_HEAD(listhead, mevent) global_head;
-/* List holds the mevent node which is requested to deleted */
+/* List holds the mevent node which is requested to be deleted */
 static LIST_HEAD(del_listhead, mevent) del_head;
 
 static void