---

yaml
---
r: 64349
b: refs/heads/master
c: d0797b3
h: refs/heads/master
i:
  64347: 31e8efd
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 505c0efd58031923ae01deac16d896607cafa70e
+refs/heads/master: d0797b39dcd70fe366b114515cb898ac6fecdd99

trunk/Documentation/DocBook/deviceiobook.tmpl

@@ -316,7 +316,8 @@ CPU B:  spin_unlock_irqrestore(&dev_lock, flags)
 
   <chapter id="pubfunctions">
      <title>Public Functions Provided</title>
-!Einclude/asm-i386/io.h
+!Iinclude/asm-i386/io.h
+!Elib/iomap.c
   </chapter>
 
 </book>

trunk/Documentation/HOWTO

@@ -208,7 +208,7 @@ tools.  One such tool that is particularly recommended is the Linux
 Cross-Reference project, which is able to present source code in a
 self-referential, indexed webpage format. An excellent up-to-date
 repository of the kernel code may be found at:
-	http://sosdg.org/~coywolf/lxr/
+	http://users.sosdg.org/~qiyong/lxr/
 
 
 The development process
@@ -384,7 +384,7 @@ One of the best ways to put into practice your hacking skills is by fixing
 bugs reported by other people. Not only you will help to make the kernel
 more stable, you'll learn to fix real world problems and you will improve
 your skills, and other developers will be aware of your presence. Fixing
-bugs is one of the best ways to earn merit amongst the developers, because
+bugs is one of the best ways to get merits among other developers, because
 not many people like wasting time fixing other people's bugs.
 
 To work in the already reported bug reports, go to http://bugzilla.kernel.org.

trunk/Documentation/SubmittingPatches

@@ -560,7 +560,7 @@ NO!!!! No more huge patch bombs to linux-kernel@vger.kernel.org people!
   <http://marc.theaimsgroup.com/?l=linux-kernel&m=112112749912944&w=2>
 
 Kernel Documentation/CodingStyle:
-  <http://sosdg.org/~coywolf/lxr/source/Documentation/CodingStyle>
+  <http://users.sosdg.org/~qiyong/lxr/source/Documentation/CodingStyle>
 
 Linus Torvalds's mail on the canonical patch format:
   <http://lkml.org/lkml/2005/4/7/183>

trunk/Documentation/filesystems/9p.txt

@@ -6,12 +6,26 @@ ABOUT
 
 v9fs is a Unix implementation of the Plan 9 9p remote filesystem protocol.
 
-This software was originally developed by Ron Minnich <rminnich@lanl.gov>
-and Maya Gokhale <maya@lanl.gov>.  Additional development by Greg Watson
+This software was originally developed by Ron Minnich <rminnich@sandia.gov>
+and Maya Gokhale.  Additional development by Greg Watson
 <gwatson@lanl.gov> and most recently Eric Van Hensbergen
 <ericvh@gmail.com>, Latchesar Ionkov <lucho@ionkov.net> and Russ Cox
 <rsc@swtch.com>.
 
+The best detailed explanation of the Linux implementation and applications of
+the 9p client is available in the form of a USENIX paper:
+   http://www.usenix.org/events/usenix05/tech/freenix/hensbergen.html
+
+Other applications are described in the following papers:
+	* XCPU & Clustering
+		http://www.xcpu.org/xcpu-talk.pdf
+	* KVMFS: control file system for KVM
+		http://www.xcpu.org/kvmfs.pdf
+	* CellFS: A New ProgrammingModel for the Cell BE
+		http://www.xcpu.org/cellfs-talk.pdf
+	* PROSE I/O: Using 9p to enable Application Partitions
+		http://plan9.escet.urjc.es/iwp9/cready/PROSE_iwp9_2006.pdf
+
 USAGE
 =====
 
@@ -90,9 +104,9 @@ subset of the namespace by extending the path: '#U*'/tmp would just export
 and export.
 
 A Linux version of the 9p server is now maintained under the npfs project
-on sourceforge (http://sourceforge.net/projects/npfs).  There is also a
-more stable single-threaded version of the server (named spfs) available from
-the same CVS repository.
+on sourceforge (http://sourceforge.net/projects/npfs).  The currently
+maintained version is the single-threaded version of the server (named spfs)
+available from the same CVS repository.
 
 There are user and developer mailing lists available through the v9fs project
 on sourceforge (http://sourceforge.net/projects/v9fs).

trunk/MAINTAINERS

@@ -167,11 +167,11 @@ S:	Maintained
 P:	Eric Van Hensbergen
 M:	ericvh@gmail.com
 P:	Ron Minnich
-M:	rminnich@lanl.gov
+M:	rminnich@sandia.gov
 P:	Latchesar Ionkov
 M:	lucho@ionkov.net
 L:	v9fs-developer@lists.sourceforge.net
-W:	http://v9fs.sf.net
+W:	http://swik.net/v9fs
 T:	git kernel.org:/pub/scm/linux/kernel/ericvh/v9fs.git
 S:	Maintained
 

trunk/arch/m68knommu/kernel/process.c

@@ -28,6 +28,7 @@
 #include <linux/a.out.h>
 #include <linux/interrupt.h>
 #include <linux/reboot.h>
+#include <linux/fs.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>

trunk/arch/m68knommu/kernel/sys_m68k.c

@@ -18,6 +18,7 @@
 #include <linux/mman.h>
 #include <linux/file.h>
 #include <linux/utsname.h>
+#include <linux/fs.h>
 
 #include <asm/setup.h>
 #include <asm/uaccess.h>

trunk/drivers/ata/pata_it821x.c

@@ -587,7 +587,7 @@ static int it821x_port_start(struct ata_port *ap)
 	itdev->want[1][1] = ATA_ANY;
 	itdev->last_device = -1;
 
-	if (pdev->revision == 0x11) {
+	if (pdev->revision == 0x10) {
 		itdev->timing10 = 1;
 		/* Need to disable ATAPI DMA for this case */
 		if (!itdev->smart)

trunk/drivers/lguest/Kconfig

@@ -1,6 +1,6 @@
 config LGUEST
 	tristate "Linux hypervisor example code"
-	depends on X86 && PARAVIRT && EXPERIMENTAL && !X86_PAE
+	depends on X86 && PARAVIRT && EXPERIMENTAL && !X86_PAE && FUTEX
 	select LGUEST_GUEST
 	select HVC_DRIVER
 	---help---

trunk/drivers/media/video/em28xx/em28xx-video.c

@@ -1772,6 +1772,7 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 	if (dev->alt_max_pkt_size == NULL) {
 		em28xx_errdev("out of memory!\n");
 		em28xx_devused&=~(1<<nr);
+		kfree(dev);
 		return -ENOMEM;
 	}
 

trunk/drivers/media/video/pwc/pwc-if.c

@@ -1196,12 +1196,19 @@ static int pwc_video_open(struct inode *inode, struct file *file)
 	return 0;
 }
 
+
+static void pwc_cleanup(struct pwc_device *pdev)
+{
+	pwc_remove_sysfs_files(pdev->vdev);
+	video_unregister_device(pdev->vdev);
+}
+
 /* Note that all cleanup is done in the reverse order as in _open */
 static int pwc_video_close(struct inode *inode, struct file *file)
 {
 	struct video_device *vdev = file->private_data;
 	struct pwc_device *pdev;
-	int i;
+	int i, hint;
 
 	PWC_DEBUG_OPEN(">> video_close called(vdev = 0x%p).\n", vdev);
 
@@ -1224,8 +1231,9 @@ static int pwc_video_close(struct inode *inode, struct file *file)
 	pwc_isoc_cleanup(pdev);
 	pwc_free_buffers(pdev);
 
+	lock_kernel();
 	/* Turn off LEDS and power down camera, but only when not unplugged */
-	if (pdev->error_status != EPIPE) {
+	if (!pdev->unplugged) {
 		/* Turn LEDs off */
 		if (pwc_set_leds(pdev, 0, 0) < 0)
 			PWC_DEBUG_MODULE("Failed to set LED on/off time.\n");
@@ -1234,9 +1242,19 @@ static int pwc_video_close(struct inode *inode, struct file *file)
 			if (i < 0)
 				PWC_ERROR("Failed to power down camera (%d)\n", i);
 		}
+		pdev->vopen--;
+		PWC_DEBUG_OPEN("<< video_close() vopen=%d\n", i);
+	} else {
+		pwc_cleanup(pdev);
+		/* Free memory (don't set pdev to 0 just yet) */
+		kfree(pdev);
+		/* search device_hint[] table if we occupy a slot, by any chance */
+		for (hint = 0; hint < MAX_DEV_HINTS; hint++)
+			if (device_hint[hint].pdev == pdev)
+				device_hint[hint].pdev = NULL;
 	}
-	pdev->vopen--;
-	PWC_DEBUG_OPEN("<< video_close() vopen=%d\n", pdev->vopen);
+	unlock_kernel();
+
 	return 0;
 }
 
@@ -1791,21 +1809,21 @@ static void usb_pwc_disconnect(struct usb_interface *intf)
 	/* Alert waiting processes */
 	wake_up_interruptible(&pdev->frameq);
 	/* Wait until device is closed */
-	while (pdev->vopen)
-		schedule();
-	/* Device is now closed, so we can safely unregister it */
-	PWC_DEBUG_PROBE("Unregistering video device in disconnect().\n");
-	pwc_remove_sysfs_files(pdev->vdev);
-	video_unregister_device(pdev->vdev);
-
-	/* Free memory (don't set pdev to 0 just yet) */
-	kfree(pdev);
+	if(pdev->vopen) {
+		pdev->unplugged = 1;
+	} else {
+		/* Device is closed, so we can safely unregister it */
+		PWC_DEBUG_PROBE("Unregistering video device in disconnect().\n");
+		pwc_cleanup(pdev);
+		/* Free memory (don't set pdev to 0 just yet) */
+		kfree(pdev);
 
 disconnect_out:
-	/* search device_hint[] table if we occupy a slot, by any chance */
-	for (hint = 0; hint < MAX_DEV_HINTS; hint++)
-		if (device_hint[hint].pdev == pdev)
-			device_hint[hint].pdev = NULL;
+		/* search device_hint[] table if we occupy a slot, by any chance */
+		for (hint = 0; hint < MAX_DEV_HINTS; hint++)
+			if (device_hint[hint].pdev == pdev)
+				device_hint[hint].pdev = NULL;
+	}
 
 	unlock_kernel();
 }

trunk/drivers/media/video/pwc/pwc.h

@@ -193,6 +193,7 @@ struct pwc_device
    char vsnapshot;		/* snapshot mode */
    char vsync;			/* used by isoc handler */
    char vmirror;		/* for ToUCaM series */
+	char unplugged;
 
    int cmd_len;
    unsigned char cmd_buf[13];

trunk/drivers/mmc/core/bus.c

@@ -186,12 +186,10 @@ struct mmc_card *mmc_alloc_card(struct mmc_host *host)
 {
 	struct mmc_card *card;
 
-	card = kmalloc(sizeof(struct mmc_card), GFP_KERNEL);
+	card = kzalloc(sizeof(struct mmc_card), GFP_KERNEL);
 	if (!card)
 		return ERR_PTR(-ENOMEM);
 
-	memset(card, 0, sizeof(struct mmc_card));
-
 	card->host = host;
 
 	device_initialize(&card->dev);

trunk/drivers/mmc/core/host.c

@@ -58,12 +58,10 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
 {
 	struct mmc_host *host;
 
-	host = kmalloc(sizeof(struct mmc_host) + extra, GFP_KERNEL);
+	host = kzalloc(sizeof(struct mmc_host) + extra, GFP_KERNEL);
 	if (!host)
 		return NULL;
 
-	memset(host, 0, sizeof(struct mmc_host) + extra);
-
 	host->parent = dev;
 	host->class_dev.parent = dev;
 	host->class_dev.class = &mmc_host_class;

trunk/drivers/mmc/host/sdhci.c

@@ -385,6 +385,9 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
 	BUG_ON(data->blksz > host->mmc->max_blk_size);
 	BUG_ON(data->blocks > 65535);
 
+	host->data = data;
+	host->data_early = 0;
+
 	/* timeout in us */
 	target_timeout = data->timeout_ns / 1000 +
 		data->timeout_clks / host->clock;
@@ -443,11 +446,11 @@ static void sdhci_set_transfer_mode(struct sdhci_host *host,
 {
 	u16 mode;
 
-	WARN_ON(host->data);
-
 	if (data == NULL)
 		return;
 
+	WARN_ON(!host->data);
+
 	mode = SDHCI_TRNS_BLK_CNT_EN;
 	if (data->blocks > 1)
 		mode |= SDHCI_TRNS_MULTI;
@@ -477,8 +480,8 @@ static void sdhci_finish_data(struct sdhci_host *host)
 	/*
 	 * Controller doesn't count down when in single block mode.
 	 */
-	if ((data->blocks == 1) && (data->error == MMC_ERR_NONE))
-		blocks = 0;
+	if (data->blocks == 1)
+		blocks = (data->error == MMC_ERR_NONE) ? 0 : 1;
 	else
 		blocks = readw(host->ioaddr + SDHCI_BLOCK_COUNT);
 	data->bytes_xfered = data->blksz * (data->blocks - blocks);
@@ -600,9 +603,10 @@ static void sdhci_finish_command(struct sdhci_host *host)
 
 	host->cmd->error = MMC_ERR_NONE;
 
-	if (host->cmd->data)
-		host->data = host->cmd->data;
-	else
+	if (host->data && host->data_early)
+		sdhci_finish_data(host);
+
+	if (!host->cmd->data)
 		tasklet_schedule(&host->finish_tasklet);
 
 	host->cmd = NULL;
@@ -929,9 +933,9 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
 	BUG_ON(intmask == 0);
 
 	if (!host->cmd) {
-		printk(KERN_ERR "%s: Got command interrupt even though no "
-			"command operation was in progress.\n",
-			mmc_hostname(host->mmc));
+		printk(KERN_ERR "%s: Got command interrupt 0x%08x even "
+			"though no command operation was in progress.\n",
+			mmc_hostname(host->mmc), (unsigned)intmask);
 		sdhci_dumpregs(host);
 		return;
 	}
@@ -961,9 +965,9 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
 		if (intmask & SDHCI_INT_DATA_END)
 			return;
 
-		printk(KERN_ERR "%s: Got data interrupt even though no "
-			"data operation was in progress.\n",
-			mmc_hostname(host->mmc));
+		printk(KERN_ERR "%s: Got data interrupt 0x%08x even "
+			"though no data operation was in progress.\n",
+			mmc_hostname(host->mmc), (unsigned)intmask);
 		sdhci_dumpregs(host);
 
 		return;
@@ -991,8 +995,18 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
 			writel(readl(host->ioaddr + SDHCI_DMA_ADDRESS),
 				host->ioaddr + SDHCI_DMA_ADDRESS);
 
-		if (intmask & SDHCI_INT_DATA_END)
-			sdhci_finish_data(host);
+		if (intmask & SDHCI_INT_DATA_END) {
+			if (host->cmd) {
+				/*
+				 * Data managed to finish before the
+				 * command completed. Make sure we do
+				 * things in the proper order.
+				 */
+				host->data_early = 1;
+			} else {
+				sdhci_finish_data(host);
+			}
+		}
 	}
 }
 
@@ -1347,12 +1361,11 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
 	 */
 	mmc->max_blk_size = (caps & SDHCI_MAX_BLOCK_MASK) >> SDHCI_MAX_BLOCK_SHIFT;
 	if (mmc->max_blk_size >= 3) {
-		printk(KERN_ERR "%s: Invalid maximum block size.\n",
+		printk(KERN_WARNING "%s: Invalid maximum block size, assuming 512\n",
 			host->slot_descr);
-		ret = -ENODEV;
-		goto unmap;
-	}
-	mmc->max_blk_size = 512 << mmc->max_blk_size;
+		mmc->max_blk_size = 512;
+	} else
+		mmc->max_blk_size = 512 << mmc->max_blk_size;
 
 	/*
 	 * Maximum block count.

trunk/drivers/mmc/host/sdhci.h

@@ -182,6 +182,7 @@ struct sdhci_host {
 	struct mmc_request	*mrq;		/* Current request */
 	struct mmc_command	*cmd;		/* Current command */
 	struct mmc_data		*data;		/* Current data request */
+	int			data_early:1;	/* Data finished before cmd */
 
 	struct scatterlist	*cur_sg;	/* We're working on this */
 	int			num_sg;		/* Entries left */

trunk/drivers/pci/hotplug/cpqphp_ctrl.c

@@ -1746,10 +1746,8 @@ static void pushbutton_helper_thread(unsigned long data)
 static int event_thread(void* data)
 {
 	struct controller *ctrl;
-	lock_kernel();
+
 	daemonize("phpd_event");
-
-	unlock_kernel();
 
 	while (1) {
 		dbg("!!!!event_thread sleeping\n");