---

yaml --- r: 64343 b: refs/heads/master c: 2aa44d0 h: refs/heads/master i: 64341: 685bfc2 64339: 1b64db5 64335: 9bdb3ec v: v3
git-mirror · Aug 23, 2007 · 2f588c8 · 2f588c8
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0542170dec523d50e8bed5515e2f7314e738c8d8
+refs/heads/master: 2aa44d0567ed21b47b87d68819415d48194cb923
diff --git a/trunk/Documentation/DocBook/deviceiobook.tmpl b/trunk/Documentation/DocBook/deviceiobook.tmpl
@@ -316,8 +316,7 @@ CPU B:  spin_unlock_irqrestore(&amp;dev_lock, flags)
 
   <chapter id="pubfunctions">
      <title>Public Functions Provided</title>
-!Iinclude/asm-i386/io.h
-!Elib/iomap.c
+!Einclude/asm-i386/io.h
   </chapter>
 
 </book>
diff --git a/trunk/Documentation/HOWTO b/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://users.sosdg.org/~qiyong/lxr/
+	http://sosdg.org/~coywolf/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 get merits among other developers, because
+bugs is one of the best ways to earn merit amongst the 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.

diff --git a/trunk/Documentation/SubmittingPatches b/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://users.sosdg.org/~qiyong/lxr/source/Documentation/CodingStyle>
+  <http://sosdg.org/~coywolf/lxr/source/Documentation/CodingStyle>
 
 Linus Torvalds's mail on the canonical patch format:
   <http://lkml.org/lkml/2005/4/7/183>

diff --git a/trunk/Documentation/filesystems/9p.txt b/trunk/Documentation/filesystems/9p.txt
@@ -6,26 +6,12 @@ ABOUT
 
 v9fs is a Unix implementation of the Plan 9 9p remote filesystem protocol.
 
-This software was originally developed by Ron Minnich <rminnich@sandia.gov>
-and Maya Gokhale.  Additional development by Greg Watson
+This software was originally developed by Ron Minnich <rminnich@lanl.gov>
+and Maya Gokhale <maya@lanl.gov>.  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
 =====
 
@@ -104,9 +90,9 @@ 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).  The currently
-maintained version is the single-threaded version of the server (named spfs)
-available from the same CVS repository.
+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.
 
 There are user and developer mailing lists available through the v9fs project
 on sourceforge (http://sourceforge.net/projects/v9fs).

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

diff --git a/trunk/arch/i386/kernel/tsc.c b/trunk/arch/i386/kernel/tsc.c
@@ -292,7 +292,6 @@ static struct clocksource clocksource_tsc = {
 
 void mark_tsc_unstable(char *reason)
 {
-	sched_clock_unstable_event();
 	if (!tsc_unstable) {
 		tsc_unstable = 1;
 		tsc_enabled = 0;

diff --git a/trunk/arch/m68knommu/kernel/process.c b/trunk/arch/m68knommu/kernel/process.c
@@ -28,7 +28,6 @@
 #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>

diff --git a/trunk/arch/m68knommu/kernel/sys_m68k.c b/trunk/arch/m68knommu/kernel/sys_m68k.c
@@ -18,7 +18,6 @@
 #include <linux/mman.h>
 #include <linux/file.h>
 #include <linux/utsname.h>
-#include <linux/fs.h>
 
 #include <asm/setup.h>
 #include <asm/uaccess.h>

diff --git a/trunk/drivers/acpi/processor_idle.c b/trunk/drivers/acpi/processor_idle.c
@@ -63,6 +63,7 @@
 ACPI_MODULE_NAME("processor_idle");
 #define ACPI_PROCESSOR_FILE_POWER	"power"
 #define US_TO_PM_TIMER_TICKS(t)		((t * (PM_TIMER_FREQUENCY/1000)) / 1000)
+#define PM_TIMER_TICK_NS		(1000000000ULL/PM_TIMER_FREQUENCY)
 #define C2_OVERHEAD			4	/* 1us (3.579 ticks per us) */
 #define C3_OVERHEAD			4	/* 1us (3.579 ticks per us) */
 static void (*pm_idle_save) (void) __read_mostly;
@@ -462,13 +463,18 @@ static void acpi_processor_idle(void)
 		 * TBD: Can't get time duration while in C1, as resumes
 		 *      go to an ISR rather than here.  Need to instrument
 		 *      base interrupt handler.
+		 *
+		 * Note: the TSC better not stop in C1, sched_clock() will
+		 *       skew otherwise.
 		 */
 		sleep_ticks = 0xFFFFFFFF;
 		break;
 
 	case ACPI_STATE_C2:
 		/* Get start time (ticks) */
 		t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
+		/* Tell the scheduler that we are going deep-idle: */
+		sched_clock_idle_sleep_event();
 		/* Invoke C2 */
 		acpi_state_timer_broadcast(pr, cx, 1);
 		acpi_cstate_enter(cx);
@@ -479,17 +485,22 @@ static void acpi_processor_idle(void)
 		/* TSC halts in C2, so notify users */
 		mark_tsc_unstable("possible TSC halt in C2");
 #endif
+		/* Compute time (ticks) that we were actually asleep */
+		sleep_ticks = ticks_elapsed(t1, t2);
+
+		/* Tell the scheduler how much we idled: */
+		sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
+
 		/* Re-enable interrupts */
 		local_irq_enable();
+		/* Do not account our idle-switching overhead: */
+		sleep_ticks -= cx->latency_ticks + C2_OVERHEAD;
+
 		current_thread_info()->status |= TS_POLLING;
-		/* Compute time (ticks) that we were actually asleep */
-		sleep_ticks =
-		    ticks_elapsed(t1, t2) - cx->latency_ticks - C2_OVERHEAD;
 		acpi_state_timer_broadcast(pr, cx, 0);
 		break;
 
 	case ACPI_STATE_C3:
-
 		/*
 		 * disable bus master
 		 * bm_check implies we need ARB_DIS
@@ -518,6 +529,8 @@ static void acpi_processor_idle(void)
 		t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
 		/* Invoke C3 */
 		acpi_state_timer_broadcast(pr, cx, 1);
+		/* Tell the scheduler that we are going deep-idle: */
+		sched_clock_idle_sleep_event();
 		acpi_cstate_enter(cx);
 		/* Get end time (ticks) */
 		t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
@@ -531,12 +544,17 @@ static void acpi_processor_idle(void)
 		/* TSC halts in C3, so notify users */
 		mark_tsc_unstable("TSC halts in C3");
 #endif
+		/* Compute time (ticks) that we were actually asleep */
+		sleep_ticks = ticks_elapsed(t1, t2);
+		/* Tell the scheduler how much we idled: */
+		sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
+
 		/* Re-enable interrupts */
 		local_irq_enable();
+		/* Do not account our idle-switching overhead: */
+		sleep_ticks -= cx->latency_ticks + C3_OVERHEAD;
+
 		current_thread_info()->status |= TS_POLLING;
-		/* Compute time (ticks) that we were actually asleep */
-		sleep_ticks =
-		    ticks_elapsed(t1, t2) - cx->latency_ticks - C3_OVERHEAD;
 		acpi_state_timer_broadcast(pr, cx, 0);
 		break;
 

diff --git a/trunk/drivers/ata/pata_it821x.c b/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 == 0x10) {
+	if (pdev->revision == 0x11) {
 		itdev->timing10 = 1;
 		/* Need to disable ATAPI DMA for this case */
 		if (!itdev->smart)

diff --git a/trunk/drivers/lguest/Kconfig b/trunk/drivers/lguest/Kconfig
@@ -1,6 +1,6 @@
 config LGUEST
 	tristate "Linux hypervisor example code"
-	depends on X86 && PARAVIRT && EXPERIMENTAL && !X86_PAE && FUTEX
+	depends on X86 && PARAVIRT && EXPERIMENTAL && !X86_PAE
 	select LGUEST_GUEST
 	select HVC_DRIVER
 	---help---

diff --git a/trunk/drivers/media/video/em28xx/em28xx-video.c b/trunk/drivers/media/video/em28xx/em28xx-video.c
@@ -1772,7 +1772,6 @@ 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;
 	}
 

diff --git a/trunk/drivers/media/video/pwc/pwc-if.c b/trunk/drivers/media/video/pwc/pwc-if.c
@@ -1196,19 +1196,12 @@ 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, hint;
+	int i;
 
 	PWC_DEBUG_OPEN(">> video_close called(vdev = 0x%p).\n", vdev);
 
@@ -1231,9 +1224,8 @@ 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->unplugged) {
+	if (pdev->error_status != EPIPE) {
 		/* Turn LEDs off */
 		if (pwc_set_leds(pdev, 0, 0) < 0)
 			PWC_DEBUG_MODULE("Failed to set LED on/off time.\n");
@@ -1242,19 +1234,9 @@ 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;
 	}
-	unlock_kernel();
-
+	pdev->vopen--;
+	PWC_DEBUG_OPEN("<< video_close() vopen=%d\n", pdev->vopen);
 	return 0;
 }
 
@@ -1809,21 +1791,21 @@ static void usb_pwc_disconnect(struct usb_interface *intf)
 	/* Alert waiting processes */
 	wake_up_interruptible(&pdev->frameq);
 	/* Wait until device is closed */
-	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);
+	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);
 
 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();
 }

diff --git a/trunk/drivers/media/video/pwc/pwc.h b/trunk/drivers/media/video/pwc/pwc.h
@@ -193,7 +193,6 @@ 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];

diff --git a/trunk/drivers/mmc/core/bus.c b/trunk/drivers/mmc/core/bus.c
@@ -186,10 +186,12 @@ struct mmc_card *mmc_alloc_card(struct mmc_host *host)
 {
 	struct mmc_card *card;
 
-	card = kzalloc(sizeof(struct mmc_card), GFP_KERNEL);
+	card = kmalloc(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);

diff --git a/trunk/drivers/mmc/core/host.c b/trunk/drivers/mmc/core/host.c
@@ -58,10 +58,12 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
 {
 	struct mmc_host *host;
 
-	host = kzalloc(sizeof(struct mmc_host) + extra, GFP_KERNEL);
+	host = kmalloc(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;