---

yaml
---
r: 32855
b: refs/heads/master
c: 159099d
h: refs/heads/master
i:
  32853: 1cf3934
  32851: 2dba73a
  32847: 7b8edac
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 41ff715abc49324fb2cb20e66bc4e0290cfdbe51
+refs/heads/master: 159099dc3d501f8a39a169125c476f9b25182610

trunk/arch/i386/kernel/process.c

@@ -690,8 +690,8 @@ struct task_struct fastcall * __switch_to(struct task_struct *prev_p, struct tas
 	/*
 	 * Now maybe handle debug registers and/or IO bitmaps
 	 */
-	if (unlikely((task_thread_info(next_p)->flags & _TIF_WORK_CTXSW))
-	    || test_tsk_thread_flag(prev_p, TIF_IO_BITMAP))
+	if (unlikely((task_thread_info(next_p)->flags & _TIF_WORK_CTXSW)
+	    || test_tsk_thread_flag(prev_p, TIF_IO_BITMAP)))
 		__switch_to_xtra(next_p, tss);
 
 	disable_tsc(prev_p, next_p);

trunk/drivers/ide/ide-disk.c

@@ -776,7 +776,7 @@ static void update_ordered(ide_drive_t *drive)
 		 * not available so we don't need to recheck that.
 		 */
 		capacity = idedisk_capacity(drive);
-		barrier = ide_id_has_flush_cache(id) &&
+		barrier = ide_id_has_flush_cache(id) && !drive->noflush &&
 			(drive->addressing == 0 || capacity <= (1ULL << 28) ||
 			 ide_id_has_flush_cache_ext(id));
 

trunk/drivers/ide/ide-dma.c

@@ -750,7 +750,7 @@ void ide_dma_verbose(ide_drive_t *drive)
 			goto bug_dma_off;
 		printk(", DMA");
 	} else if (id->field_valid & 1) {
-		printk(", BUG");
+		goto bug_dma_off;
 	}
 	return;
 bug_dma_off:

trunk/drivers/ide/ide.c

@@ -1539,7 +1539,7 @@ static int __init ide_setup(char *s)
 		const char *hd_words[] = {
 			"none", "noprobe", "nowerr", "cdrom", "serialize",
 			"autotune", "noautotune", "minus8", "swapdata", "bswap",
-			"minus11", "remap", "remap63", "scsi", NULL };
+			"noflush", "remap", "remap63", "scsi", NULL };
 		unit = s[2] - 'a';
 		hw   = unit / MAX_DRIVES;
 		unit = unit % MAX_DRIVES;
@@ -1578,6 +1578,9 @@ static int __init ide_setup(char *s)
 			case -10: /* "bswap" */
 				drive->bswap = 1;
 				goto done;
+			case -11: /* noflush */
+				drive->noflush = 1;
+				goto done;
 			case -12: /* "remap" */
 				drive->remap_0_to_1 = 1;
 				goto done;

trunk/drivers/ide/pci/it821x.c

@@ -498,9 +498,14 @@ static int config_chipset_for_dma (ide_drive_t *drive)
 {
 	u8 speed	= ide_dma_speed(drive, it821x_ratemask(drive));
 
-	config_it821x_chipset_for_pio(drive, !speed);
-	it821x_tune_chipset(drive, speed);
-	return ide_dma_enable(drive);
+	if (speed) {
+		config_it821x_chipset_for_pio(drive, 0);
+		it821x_tune_chipset(drive, speed);
+
+		return ide_dma_enable(drive);
+	}
+
+	return 0;
 }
 
 /**

trunk/drivers/scsi/scsi_ioctl.c

@@ -110,11 +110,8 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
 				       sshdr.asc, sshdr.ascq);
 			break;
 		case NOT_READY:	/* This happens if there is no disc in drive */
-			if (sdev->removable && (cmd[0] != TEST_UNIT_READY)) {
-				printk(KERN_INFO "Device not ready. Make sure"
-				       " there is a disc in the drive.\n");
+			if (sdev->removable)
 				break;
-			}
 		case UNIT_ATTENTION:
 			if (sdev->removable) {
 				sdev->changed = 1;

trunk/include/linux/ide.h

@@ -571,6 +571,7 @@ typedef struct ide_drive_s {
 	u8	waiting_for_dma;	/* dma currently in progress */
 	u8	unmask;			/* okay to unmask other irqs */
 	u8	bswap;			/* byte swap data */
+	u8	noflush;		/* don't attempt flushes */
 	u8	dsc_overlap;		/* DSC overlap */
 	u8	nice1;			/* give potential excess bandwidth */