Merge commit 'v2.6.25.14' into olpc-testing

37 files changed, 234 insertions, 92 deletions

diff --git a/Makefile b/Makefile
index c3527986a7f8..c31e4cebec23 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 25
-EXTRAVERSION = .13
+EXTRAVERSION = .14
 NAME = Funky Weasel is Jiggy wit it
 
 # *DOCUMENTATION*
@@ -1126,7 +1126,8 @@ clean: archclean $(clean-dirs)
 	@find . $(RCS_FIND_IGNORE) \
 		\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
 		-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
-		-o -name '*.symtypes' -o -name 'modules.order' \) \
+		-o -name '*.symtypes' -o -name 'modules.order' \
+		-o -name 'Module.markers' \) \
 		-type f -print | xargs rm -f
 
 # mrproper - Delete all generated files, including .config
diff --git a/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c b/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c
index 69288f653144..3233fe84d158 100644
--- a/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c
+++ b/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c
@@ -96,6 +96,12 @@ static int pmi_notifier(struct notifier_block *nb,
 	struct cpufreq_frequency_table *cbe_freqs;
 	u8 node;
 
+	/* Should this really be called for CPUFREQ_ADJUST, CPUFREQ_INCOMPATIBLE
+	 * and CPUFREQ_NOTIFY policy events?)
+	 */
+	if (event == CPUFREQ_START)
+		return 0;
+
 	cbe_freqs = cpufreq_frequency_get_table(policy->cpu);
 	node = cbe_cpu_to_node(policy->cpu);
 
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index b441a26b73b0..c481673d249c 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -621,8 +621,9 @@ unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino)
 unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
 {
 	struct irq_handler_data *data;
-	struct ino_bucket *bucket;
 	unsigned long hv_err, cookie;
+	struct ino_bucket *bucket;
+	struct irq_desc *desc;
 	unsigned int virt_irq;
 
 	bucket = kzalloc(sizeof(struct ino_bucket), GFP_ATOMIC);
@@ -643,6 +644,13 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
 	if (unlikely(!data))
 		return 0;
 
+	/* In order to make the LDC channel startup sequence easier,
+	 * especially wrt. locking, we do not let request_irq() enable
+	 * the interrupt.
+	 */
+	desc = irq_desc + virt_irq;
+	desc->status |= IRQ_NOAUTOEN;
+
 	set_irq_chip_data(virt_irq, data);
 
 	/* Catch accidental accesses to these things.  IMAP/ICLR handling
diff --git a/arch/sparc64/kernel/ldc.c b/arch/sparc64/kernel/ldc.c
index 63969f610284..d68982330f66 100644
--- a/arch/sparc64/kernel/ldc.c
+++ b/arch/sparc64/kernel/ldc.c
@@ -1,6 +1,6 @@
 /* ldc.c: Logical Domain Channel link-layer protocol driver.
  *
- * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
+ * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net>
  */
 
 #include <linux/kernel.h>
@@ -23,8 +23,8 @@
 
 #define DRV_MODULE_NAME		"ldc"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"1.0"
-#define DRV_MODULE_RELDATE	"June 25, 2007"
+#define DRV_MODULE_VERSION	"1.1"
+#define DRV_MODULE_RELDATE	"July 22, 2008"
 
 static char version[] __devinitdata =
 	DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
@@ -1235,13 +1235,9 @@ int ldc_bind(struct ldc_channel *lp, const char *name)
 	unsigned long hv_err, flags;
 	int err = -EINVAL;
 
-	spin_lock_irqsave(&lp->lock, flags);
-
-	if (!name)
-		goto out_err;
-
-	if (lp->state != LDC_STATE_INIT)
-		goto out_err;
+	if (!name ||
+	    (lp->state != LDC_STATE_INIT))
+		return -EINVAL;
 
 	snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name);
 	snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
@@ -1250,25 +1246,32 @@ int ldc_bind(struct ldc_channel *lp, const char *name)
 			  IRQF_SAMPLE_RANDOM | IRQF_SHARED,
 			  lp->rx_irq_name, lp);
 	if (err)
-		goto out_err;
+		return err;
 
 	err = request_irq(lp->cfg.tx_irq, ldc_tx,
 			  IRQF_SAMPLE_RANDOM | IRQF_SHARED,
 			  lp->tx_irq_name, lp);
-	if (err)
-		goto out_free_rx_irq;
+	if (err) {
+		free_irq(lp->cfg.rx_irq, lp);
+		return err;
+	}
+
 
+	spin_lock_irqsave(&lp->lock, flags);
+
+	enable_irq(lp->cfg.rx_irq);
+	enable_irq(lp->cfg.tx_irq);
 
 	lp->flags |= LDC_FLAG_REGISTERED_IRQS;
 
 	err = -ENODEV;
 	hv_err = sun4v_ldc_tx_qconf(lp->id, 0, 0);
 	if (hv_err)
-		goto out_free_tx_irq;
+		goto out_free_irqs;
 
 	hv_err = sun4v_ldc_tx_qconf(lp->id, lp->tx_ra, lp->tx_num_entries);
 	if (hv_err)
-		goto out_free_tx_irq;
+		goto out_free_irqs;
 
 	hv_err = sun4v_ldc_rx_qconf(lp->id, 0, 0);
 	if (hv_err)
@@ -1304,14 +1307,11 @@ out_unmap_rx:
 out_unmap_tx:
 	sun4v_ldc_tx_qconf(lp->id, 0, 0);
 
-out_free_tx_irq:
+out_free_irqs:
 	lp->flags &= ~LDC_FLAG_REGISTERED_IRQS;
 	free_irq(lp->cfg.tx_irq, lp);
-
-out_free_rx_irq:
 	free_irq(lp->cfg.rx_irq, lp);
 
-out_err:
 	spin_unlock_irqrestore(&lp->lock, flags);
 
 	return err;
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index e5d238970c7e..f46402380a72 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -883,6 +883,16 @@ static struct notifier_block sparc64_cpufreq_notifier_block = {
 	.notifier_call	= sparc64_cpufreq_notifier
 };
 
+static int __init register_sparc64_cpufreq_notifier(void)
+{
+
+	cpufreq_register_notifier(&sparc64_cpufreq_notifier_block,
+				  CPUFREQ_TRANSITION_NOTIFIER);
+	return 0;
+}
+
+core_initcall(register_sparc64_cpufreq_notifier);
+
 #endif /* CONFIG_CPU_FREQ */
 
 static int sparc64_next_event(unsigned long delta,
@@ -1049,11 +1059,6 @@ void __init time_init(void)
 	       sparc64_clockevent.mult, sparc64_clockevent.shift);
 
 	setup_sparc64_timer();
-
-#ifdef CONFIG_CPU_FREQ
-	cpufreq_register_notifier(&sparc64_cpufreq_notifier_block,
-				  CPUFREQ_TRANSITION_NOTIFIER);
-#endif
 }
 
 unsigned long long sched_clock(void)
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 9304bfba7d45..c308d6147b7e 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -409,4 +409,4 @@ config X86_MINIMUM_CPU_FAMILY
 
 config X86_DEBUGCTLMSR
 	def_bool y
-	depends on !(M586MMX || M586TSC || M586 || M486 || M386)
+	depends on !(MK6 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386)
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index b2c5231c4686..8e47740b13a6 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -427,7 +427,7 @@ void __init_refok init_memory_mapping(unsigned long start, unsigned long end)
 		else
 			pud = alloc_low_page(&pud_phys);
 
-		next = start + PGDIR_SIZE;
+		next = (start + PGDIR_SIZE) & PGDIR_MASK;
 		if (next > end)
 			next = end;
 		phys_pud_init(pud, __pa(start), __pa(next));
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index b477a4be8a69..42fb635bd605 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -64,7 +64,13 @@ static DEFINE_MUTEX(performance_mutex);
  * policy is adjusted accordingly.
  */
 
-static unsigned int ignore_ppc = 0;
+/* ignore_ppc:
+ * -1 -> cpufreq low level drivers not initialized -> _PSS, etc. not called yet
+ *       ignore _PPC
+ *  0 -> cpufreq low level drivers initialized -> consider _PPC values
+ *  1 -> ignore _PPC totally -> forced by user through boot param
+ */
+static unsigned int ignore_ppc = -1;
 module_param(ignore_ppc, uint, 0644);
 MODULE_PARM_DESC(ignore_ppc, "If the frequency of your machine gets wrongly" \
 		 "limited by BIOS, this should help");
@@ -72,7 +78,7 @@ MODULE_PARM_DESC(ignore_ppc, "If the frequency of your machine gets wrongly" \
 #define PPC_REGISTERED   1
 #define PPC_IN_USE       2
 
-static int acpi_processor_ppc_status = 0;
+static int acpi_processor_ppc_status;
 
 static int acpi_processor_ppc_notifier(struct notifier_block *nb,
 				       unsigned long event, void *data)
@@ -81,6 +87,11 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb,
 	struct acpi_processor *pr;
 	unsigned int ppc = 0;
 
+	if (event == CPUFREQ_START && ignore_ppc <= 0) {
+		ignore_ppc = 0;
+		return 0;
+	}
+
 	if (ignore_ppc)
 		return 0;
 
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index b1eb4e24c86a..d630502472d5 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -634,16 +634,27 @@ static inline void __iomem *ahci_port_base(struct ata_port *ap)
 
 static void ahci_enable_ahci(void __iomem *mmio)
 {
+	int i;
 	u32 tmp;
 
 	/* turn on AHCI_EN */
 	tmp = readl(mmio + HOST_CTL);
-	if (!(tmp & HOST_AHCI_EN)) {
+	if (tmp & HOST_AHCI_EN)
+		return;
+
+	/* Some controllers need AHCI_EN to be written multiple times.
+	 * Try a few times before giving up.
+	 */
+	for (i = 0; i < 5; i++) {
 		tmp |= HOST_AHCI_EN;
 		writel(tmp, mmio + HOST_CTL);
 		tmp = readl(mmio + HOST_CTL);	/* flush && sanity check */
-		WARN_ON(!(tmp & HOST_AHCI_EN));
+		if (tmp & HOST_AHCI_EN)
+			return;
+		msleep(10);
 	}
+
+	WARN_ON(1);
 }
 
 /**
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index 20534202fc79..a3ede491f30a 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -193,6 +193,12 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id
 	if (dev->vendor == PCI_VENDOR_ID_AL)
 	    	ata_pci_clear_simplex(dev);
 
+	if (dev->vendor == PCI_VENDOR_ID_ATI) {
+		int rc = pcim_enable_device(dev);
+		if (rc < 0)
+			return rc;
+		pcim_pin_device(dev);
+	}
 	return ata_pci_init_one(dev, ppi);
 }
 
diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c
index bdc3b9d7395c..ea354a5b907c 100644
--- a/drivers/ata/pata_acpi.c
+++ b/drivers/ata/pata_acpi.c
@@ -314,6 +314,12 @@ static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
 		.port_ops	= &pacpi_ops,
 	};
 	const struct ata_port_info *ppi[] = { &info, NULL };
+	if (pdev->vendor == PCI_VENDOR_ID_ATI) {
+		int rc = pcim_enable_device(pdev);
+		if (rc < 0)
+			return rc;
+		pcim_pin_device(pdev);
+	}
 	return ata_pci_init_one(pdev, ppi);
 }
 
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index ebd68c1ab597..e91bf7982ce9 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -806,6 +806,9 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
 	policy->user_policy.min = policy->cpuinfo.min_freq;
 	policy->user_policy.max = policy->cpuinfo.max_freq;
 
+	blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
+				     CPUFREQ_START, policy);
+
 #ifdef CONFIG_SMP
 
 #ifdef CONFIG_HOTPLUG_CPU
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index c8d0e8715997..e54da025a31c 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1421,13 +1421,30 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity,
 	req.cmd_flags |= REQ_QUIET;
 
 	stat = ide_cd_queue_pc(drive, &req);
-	if (stat == 0) {
-		*capacity = 1 + be32_to_cpu(capbuf.lba);
-		*sectors_per_frame =
-			be32_to_cpu(capbuf.blocklen) >> SECTOR_BITS;
+	if (stat)
+		return stat;
+
+	/*
+	 * Sanity check the given block size
+	 */
+	switch (capbuf.blocklen) {
+	case __constant_cpu_to_be32(512):
+	case __constant_cpu_to_be32(1024):
+	case __constant_cpu_to_be32(2048):
+	case __constant_cpu_to_be32(4096):
+		break;
+	default:
+		printk(KERN_ERR "%s: weird block size %u\n",
+			drive->name, capbuf.blocklen);
+		printk(KERN_ERR "%s: default to 2kb block size\n",
+			drive->name);
+		capbuf.blocklen = __constant_cpu_to_be32(2048);
+		break;
 	}
 
-	return stat;
+	*capacity = 1 + be32_to_cpu(capbuf.lba);
+	*sectors_per_frame = be32_to_cpu(capbuf.blocklen) >> SECTOR_BITS;
+	return 0;
 }
 
 static int cdrom_read_tocentry(ide_drive_t *drive, int trackno, int msf_flag,
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index c2095ce531c9..0094af278094 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -70,8 +70,6 @@ static struct pci_device_id ixgbe_pci_tbl[] = {
 	 board_82598 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_SINGLE_PORT),
 	 board_82598 },
-	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AT_DUAL_PORT),
-	 board_82598 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_CX4),
 	 board_82598 },
 
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index bef967ce34a6..c3ded2187bda 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -484,9 +484,6 @@ ath5k_pci_probe(struct pci_dev *pdev,
 	/* Set private data */
 	pci_set_drvdata(pdev, hw);
 
-	/* Enable msi for devices that support it */
-	pci_enable_msi(pdev);
-
 	/* Setup interrupt handler */
 	ret = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
 	if (ret) {
@@ -553,7 +550,6 @@ err_ah:
 err_irq:
 	free_irq(pdev->irq, sc);
 err_free:
-	pci_disable_msi(pdev);
 	ieee80211_free_hw(hw);
 err_map:
 	pci_iounmap(pdev, mem);
@@ -575,7 +571,6 @@ ath5k_pci_remove(struct pci_dev *pdev)
 	ath5k_detach(pdev, hw);
 	ath5k_hw_detach(sc->ah);
 	free_irq(pdev->irq, sc);
-	pci_disable_msi(pdev);
 	pci_iounmap(pdev, sc->iobase);
 	pci_release_region(pdev, 0);
 	pci_disable_device(pdev);
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 531aeb22230f..572436cdace8 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -3792,10 +3792,10 @@ static int b43legacy_resume(struct ssb_device *dev)
 			goto out;
 		}
 	}
-	mutex_unlock(&wl->mutex);
 
 	b43legacydbg(wl, "Device resumed.\n");
 out:
+	mutex_unlock(&wl->mutex);
 	return err;
 }
 
diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c
index 90729469d481..f200661c5661 100644
--- a/drivers/spi/mpc52xx_psc_spi.c
+++ b/drivers/spi/mpc52xx_psc_spi.c
@@ -148,7 +148,6 @@ static int mpc52xx_psc_spi_transfer_rxtx(struct spi_device *spi,
 	unsigned rfalarm;
 	unsigned send_at_once = MPC52xx_PSC_BUFSIZE;
 	unsigned recv_at_once;
-	unsigned bpw = mps->bits_per_word / 8;
 
 	if (!t->tx_buf && !t->rx_buf && t->len)
 		return -EINVAL;
@@ -164,22 +163,15 @@ static int mpc52xx_psc_spi_transfer_rxtx(struct spi_device *spi,
 		}
 
 		dev_dbg(&spi->dev, "send %d bytes...\n", send_at_once);
-		if (tx_buf) {
-			for (; send_at_once; sb++, send_at_once--) {
-				/* set EOF flag */
-				if (mps->bits_per_word
-						&& (sb + 1) % bpw == 0)
-					out_8(&psc->ircr2, 0x01);
+		for (; send_at_once; sb++, send_at_once--) {
+			/* set EOF flag before the last word is sent */
+			if (send_at_once == 1)
+				out_8(&psc->ircr2, 0x01);
+
+			if (tx_buf)
 				out_8(&psc->mpc52xx_psc_buffer_8, tx_buf[sb]);
-			}
-		} else {
-			for (; send_at_once; sb++, send_at_once--) {
-				/* set EOF flag */
-				if (mps->bits_per_word
-						&& ((sb + 1) % bpw) == 0)
-					out_8(&psc->ircr2, 0x01);
+			else
 				out_8(&psc->mpc52xx_psc_buffer_8, 0);
-			}
 		}
 
 
diff --git a/fs/dquot.c b/fs/dquot.c
index 41b9dbd68b0e..d93f99bffa41 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -554,6 +554,8 @@ static struct shrinker dqcache_shrinker = {
  */
 static void dqput(struct dquot *dquot)
 {
+	int ret;
+
 	if (!dquot)
 		return;
 #ifdef __DQUOT_PARANOIA
@@ -586,7 +588,19 @@ we_slept:
 	if (test_bit(DQ_ACTIVE_B, &dquot->dq_flags) && dquot_dirty(dquot)) {
 		spin_unlock(&dq_list_lock);
 		/* Commit dquot before releasing */
-		dquot->dq_sb->dq_op->write_dquot(dquot);
+		ret = dquot->dq_sb->dq_op->write_dquot(dquot);
+		if (ret < 0) {
+			printk(KERN_ERR "VFS: cannot write quota structure on "
+				"device %s (error %d). Quota may get out of "
+				"sync!\n", dquot->dq_sb->s_id, ret);
+			/*
+			 * We clear dirty bit anyway, so that we avoid
+			 * infinite loop here
+			 */
+			spin_lock(&dq_list_lock);
+			clear_dquot_dirty(dquot);
+			spin_unlock(&dq_list_lock);
+		}
 		goto we_slept;
 	}
 	/* Clear flag in case dquot was inactive (something bad happened) */
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 086b312e41a6..f1448344b55a 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -474,8 +474,8 @@ int ecryptfs_encrypt_page(struct page *page)
 {
 	struct inode *ecryptfs_inode;
 	struct ecryptfs_crypt_stat *crypt_stat;
-	char *enc_extent_virt = NULL;
-	struct page *enc_extent_page;
+	char *enc_extent_virt;
+	struct page *enc_extent_page = NULL;
 	loff_t extent_offset;
 	int rc = 0;
 
@@ -491,14 +491,14 @@ int ecryptfs_encrypt_page(struct page *page)
 			       page->index);
 		goto out;
 	}
-	enc_extent_virt = kmalloc(PAGE_CACHE_SIZE, GFP_USER);
-	if (!enc_extent_virt) {
+	enc_extent_page = alloc_page(GFP_USER);
+	if (!enc_extent_page) {
 		rc = -ENOMEM;
 		ecryptfs_printk(KERN_ERR, "Error allocating memory for "
 				"encrypted extent\n");
 		goto out;
 	}
-	enc_extent_page = virt_to_page(enc_extent_virt);
+	enc_extent_virt = kmap(enc_extent_page);
 	for (extent_offset = 0;
 	     extent_offset < (PAGE_CACHE_SIZE / crypt_stat->extent_size);
 	     extent_offset++) {
@@ -526,7 +526,10 @@ int ecryptfs_encrypt_page(struct page *page)
 		}
 	}
 out:
-	kfree(enc_extent_virt);
+	if (enc_extent_page) {
+		kunmap(enc_extent_page);
+		__free_page(enc_extent_page);
+	}
 	return rc;
 }
 
@@ -608,8 +611,8 @@ int ecryptfs_decrypt_page(struct page *page)
 {
 	struct inode *ecryptfs_inode;
 	struct ecryptfs_crypt_stat *crypt_stat;
-	char *enc_extent_virt = NULL;
-	struct page *enc_extent_page;
+	char *enc_extent_virt;
+	struct page *enc_extent_page = NULL;
 	unsigned long extent_offset;
 	int rc = 0;
 
@@ -626,14 +629,14 @@ int ecryptfs_decrypt_page(struct page *page)
 			       page->index);
 		goto out;
 	}
-	enc_extent_virt = kmalloc(PAGE_CACHE_SIZE, GFP_USER);
-	if (!enc_extent_virt) {
+	enc_extent_page = alloc_page(GFP_USER);
+	if (!enc_extent_page) {
 		rc = -ENOMEM;
 		ecryptfs_printk(KERN_ERR, "Error allocating memory for "
 				"encrypted extent\n");
 		goto out;
 	}
-	enc_extent_page = virt_to_page(enc_extent_virt);
+	enc_extent_virt = kmap(enc_extent_page);
 	for (extent_offset = 0;
 	     extent_offset < (PAGE_CACHE_SIZE / crypt_stat->extent_size);
 	     extent_offset++) {
@@ -661,7 +664,10 @@ int ecryptfs_decrypt_page(struct page *page)
 		}
 	}
 out:
-	kfree(enc_extent_virt);
+	if (enc_extent_page) {
+		kunmap(enc_extent_page);
+		__free_page(enc_extent_page);
+	}
 	return rc;
 }
 
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index 6bd48f0a7047..c2fb2dd0131f 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -209,6 +209,11 @@ repeat:
 
 	while (rs.len > 2) { /* There may be one byte for padding somewhere */
 		rr = (struct rock_ridge *)rs.chr;
+		/*
+		 * Ignore rock ridge info if rr->len is out of range, but
+		 * don't return -EIO because that would make the file
+		 * invisible.
+		 */
 		if (rr->len < 3)
 			goto out;	/* Something got screwed up here */
 		sig = isonum_721(rs.chr);
@@ -216,8 +221,12 @@ repeat:
 			goto eio;
 		rs.chr += rr->len;
 		rs.len -= rr->len;
+		/*
+		 * As above, just ignore the rock ridge info if rr->len
+		 * is bogus.
+		 */
 		if (rs.len < 0)
-			goto eio;	/* corrupted isofs */
+			goto out;	/* Something got screwed up here */
 
 		switch (sig) {
 		case SIG('R', 'R'):
@@ -307,6 +316,11 @@ parse_rock_ridge_inode_internal(struct iso_directory_record *de,
 repeat:
 	while (rs.len > 2) { /* There may be one byte for padding somewhere */
 		rr = (struct rock_ridge *)rs.chr;
+		/*
+		 * Ignore rock ridge info if rr->len is out of range, but
+		 * don't return -EIO because that would make the file
+		 * invisible.
+		 */
 		if (rr->len < 3)
 			goto out;	/* Something got screwed up here */
 		sig = isonum_721(rs.chr);
@@ -314,8 +328,12 @@ repeat:
 			goto eio;
 		rs.chr += rr->len;
 		rs.len -= rr->len;
+		/*
+		 * As above, just ignore the rock ridge info if rr->len
+		 * is bogus.
+		 */
 		if (rs.len < 0)
-			goto eio;	/* corrupted isofs */
+			goto out;	/* Something got screwed up here */
 
 		switch (sig) {
 #ifndef CONFIG_ZISOFS		/* No flag for SF or ZF */
diff --git a/fs/libfs.c b/fs/libfs.c
index b004dfadd891..7c588dc77e46 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -216,8 +216,8 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
 
 	s->s_flags = MS_NOUSER;
 	s->s_maxbytes = ~0ULL;
-	s->s_blocksize = 1024;
-	s->s_blocksize_bits = 10;
+	s->s_blocksize = PAGE_SIZE;
+	s->s_blocksize_bits = PAGE_SHIFT;
 	s->s_magic = magic;
 	s->s_op = ops ? ops : &simple_super_operations;
 	s->s_time_gran = 1;
diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h
index 5c60bfc1a84d..9a1db20e032a 100644
--- a/include/asm-arm/bitops.h
+++ b/include/asm-arm/bitops.h
@@ -277,9 +277,16 @@ static inline int constant_fls(int x)
  * the clz instruction for much better code efficiency.
  */
 
-#define fls(x) \
+#define __fls(x) \
 	( __builtin_constant_p(x) ? constant_fls(x) : \
 	  ({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) )
+
+/* Implement fls() in C so that 64-bit args are suitably truncated */
+static inline int fls(int x)
+{
+	return __fls(x);
+}
+
 #define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })
 #define __ffs(x) (ffs(x) - 1)
 #define ffz(x) __ffs( ~(x) )
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index f054778e916c..5a544bf1edb5 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -204,6 +204,7 @@
  * during second ld run in second ld pass when generating System.map */
 #define TEXT_TEXT							\
 		ALIGN_FUNCTION();					\
+		*(.text.hot)						\
 		*(.text)						\
 		*(.ref.text)						\
 		*(.text.init.refok)					\
@@ -213,7 +214,8 @@
 	CPU_KEEP(init.text)						\
 	CPU_KEEP(exit.text)						\
 	MEM_KEEP(init.text)						\
-	MEM_KEEP(exit.text)
+	MEM_KEEP(exit.text)						\
+		*(.text.unlikely)
 
 
 /* sched.text is aling to function alignment to secure we have same
diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h
index dd4c26dc57d2..8e35c28462a0 100644
--- a/include/asm-powerpc/pgtable-ppc64.h
+++ b/include/asm-powerpc/pgtable-ppc64.h
@@ -311,6 +311,17 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
 	old = pte_update(mm, addr, ptep, _PAGE_RW, 0);
 }
 
+#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+					   unsigned long addr, pte_t *ptep)
+{
+	unsigned long old;
+
+       	if ((pte_val(*ptep) & _PAGE_RW) == 0)
+       		return;
+	old = pte_update(mm, addr, ptep, _PAGE_RW, 1);
+}
+
 /*
  * We currently remove entries from the hashtable regardless of whether
  * the entry was young or dirty. The generic routines only flush if the
diff --git a/include/asm-sparc64/io.h b/include/asm-sparc64/io.h
index c299b853b5ba..56fe3b967e12 100644
--- a/include/asm-sparc64/io.h
+++ b/include/asm-sparc64/io.h
@@ -16,7 +16,6 @@
 /* BIO layer definitions. */
 extern unsigned long kern_base, kern_size;
 #define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
-#define BIO_VMERGE_BOUNDARY	8192
 
 static inline u8 _inb(unsigned long addr)
 {
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index ddd8652fc3f3..87b0e07e348e 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -108,6 +108,7 @@ struct cpufreq_policy {
 #define CPUFREQ_ADJUST		(0)
 #define CPUFREQ_INCOMPATIBLE	(1)
 #define CPUFREQ_NOTIFY		(2)
+#define CPUFREQ_START		(3)
 
 #define CPUFREQ_SHARED_TYPE_NONE (0) /* None */
 #define CPUFREQ_SHARED_TYPE_HW	 (1) /* HW does needed coordination */
diff --git a/kernel/marker.c b/kernel/marker.c
index 005b95954593..54ce00f810e1 100644
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -126,6 +126,11 @@ void marker_probe_cb(const struct marker *mdata, void *call_private,
 		struct marker_probe_closure *multi;
 		int i;
 		/*
+		 * Read mdata->ptype before mdata->multi.
+		 */
+		smp_rmb();
+		multi = mdata->multi;
+		/*
 		 * multi points to an array, therefore accessing the array
 		 * depends on reading multi. However, even in this case,
 		 * we must insure that the pointer is read _before_ the array
@@ -133,7 +138,6 @@ void marker_probe_cb(const struct marker *mdata, void *call_private,
 		 * in the fast path, so put the explicit barrier here.
 		 */
 		smp_read_barrier_depends();
-		multi = mdata->multi;
 		for (i = 0; multi[i].func; i++) {
 			va_start(args, fmt);
 			multi[i].func(multi[i].probe_private, call_private, fmt,
@@ -176,6 +180,11 @@ void marker_probe_cb_noarg(const struct marker *mdata,
 		struct marker_probe_closure *multi;
 		int i;
 		/*
+		 * Read mdata->ptype before mdata->multi.
+		 */
+		smp_rmb();
+		multi = mdata->multi;
+		/*
 		 * multi points to an array, therefore accessing the array
 		 * depends on reading multi. However, even in this case,
 		 * we must insure that the pointer is read _before_ the array
@@ -183,7 +192,6 @@ void marker_probe_cb_noarg(const struct marker *mdata,
 		 * in the fast path, so put the explicit barrier here.
 		 */
 		smp_read_barrier_depends();
-		multi = mdata->multi;
 		for (i = 0; multi[i].func; i++)
 			multi[i].func(multi[i].probe_private, call_private, fmt,
 				&args);
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 5b9b467de070..0fea0ee12da9 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -59,6 +59,7 @@ cond_syscall(sys_epoll_create);
 cond_syscall(sys_epoll_ctl);
 cond_syscall(sys_epoll_wait);
 cond_syscall(sys_epoll_pwait);
+cond_syscall(compat_sys_epoll_pwait);
 cond_syscall(sys_semget);
 cond_syscall(sys_semop);
 cond_syscall(sys_semtimedop);
diff --git a/mm/filemap.c b/mm/filemap.c
index 07e9d9258b48..703f2c8a56a8 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1771,7 +1771,7 @@ void iov_iter_advance(struct iov_iter *i, size_t bytes)
 		 * The !iov->iov_len check ensures we skip over unlikely
 		 * zero-length segments (without overruning the iovec).
 		 */
-		while (bytes || unlikely(!iov->iov_len && i->count)) {
+		while (bytes || unlikely(i->count && !iov->iov_len)) {
 			int copy;
 
 			copy = min(bytes, iov->iov_len - base);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 51c9e2c01640..893558ab9ff6 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -738,6 +738,10 @@ static void set_huge_ptep_writable(struct vm_area_struct *vma,
 }
 
 
+#ifndef __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
+#define huge_ptep_set_wrprotect		ptep_set_wrprotect
+#endif
+
 int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
 			    struct vm_area_struct *vma)
 {
@@ -764,7 +768,7 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
 		spin_lock(&src->page_table_lock);
 		if (!pte_none(*src_pte)) {
 			if (cow)
-				ptep_set_wrprotect(src, addr, src_pte);
+				huge_ptep_set_wrprotect(src, addr, src_pte);
 			entry = *src_pte;
 			ptepage = pte_page(entry);
 			get_page(ptepage);
diff --git a/mm/shmem.c b/mm/shmem.c
index f514dd392cd9..ba3667f84d3e 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1559,7 +1559,6 @@ shmem_get_inode(struct super_block *sb, int mode, dev_t dev)
 		inode->i_uid = current->fsuid;
 		inode->i_gid = current->fsgid;
 		inode->i_blocks = 0;
-		inode->i_mapping->a_ops = &shmem_aops;
 		inode->i_mapping->backing_dev_info = &shmem_backing_dev_info;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 		inode->i_generation = get_seconds();
@@ -1574,6 +1573,7 @@ shmem_get_inode(struct super_block *sb, int mode, dev_t dev)
 			init_special_inode(inode, mode, dev);
 			break;
 		case S_IFREG:
+			inode->i_mapping->a_ops = &shmem_aops;
 			inode->i_op = &shmem_inode_operations;
 			inode->i_fop = &shmem_file_operations;
 			mpol_shared_policy_init(&info->policy, sbinfo->policy,
@@ -1964,6 +1964,7 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s
 			return error;
 		}
 		unlock_page(page);
+		inode->i_mapping->a_ops = &shmem_aops;
 		inode->i_op = &shmem_symlink_inode_operations;
 		kaddr = kmap_atomic(page, KM_USER0);
 		memcpy(kaddr, symname, len);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 318096329f13..25f0f0b73594 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3259,6 +3259,7 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag)
 	 * log. Something worked...
 	 */
 	sk->sk_err_soft = 0;
+	icsk->icsk_probes_out = 0;
 	tp->rcv_tstamp = tcp_time_stamp;
 	prior_packets = tp->packets_out;
 	if (!prior_packets)
@@ -3291,8 +3292,6 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag)
 	return 1;
 
 no_queue:
-	icsk->icsk_probes_out = 0;
-
 	/* If this ack opens up a zero window, clear backoff.  It was
 	 * being used to time the probes, and is probably far higher than
 	 * it needs to be for normal retransmission.
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index fc43e223ab39..3ddf1c001dae 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -845,9 +845,15 @@ static int tcp_packet(struct nf_conn *ct,
 			/* Attempt to reopen a closed/aborted connection.
 			 * Delete this connection and look up again. */
 			write_unlock_bh(&tcp_lock);
-			if (del_timer(&ct->timeout))
+			/* Only repeat if we can actually remove the timer.
+			 * Destruction may already be in progress in process
+			 * context and we must give it a chance to terminate.
+			 */
+			if (del_timer(&ct->timeout)) {
 				ct->timeout.function((unsigned long)ct);
-			return -NF_REPEAT;
+				return -NF_REPEAT;
+			}
+			return -NF_DROP;
 		}
 		/* Fall through */
 	case TCP_CONNTRACK_IGNORE:
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 2d20640854b7..af21ea99f192 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -87,6 +87,7 @@ quiet_cmd_kernel-mod = MODPOST $@
       cmd_kernel-mod = $(modpost) $@
 
 vmlinux.o: FORCE
+	@rm -fr $(kernelmarkersfile)
 	$(call cmd,kernel-mod)
 
 # Declare generated files as targets for modpost
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 110cf243fa4e..7b16b365ebdf 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1973,7 +1973,8 @@ static void read_markers(const char *fname)
 			mod->skip = 1;
 		}
 
-		add_marker(mod, marker, fmt);
+		if (!mod->skip)
+			add_marker(mod, marker, fmt);
 	}
 	return;
 fail:
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 52a7f0f07dba..37f274f71569 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -8517,6 +8517,7 @@ static struct hda_verb alc262_sony_unsol_verbs[] = {
 
 	{0x15, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | ALC880_HP_EVENT},
 	{0x15, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP},
+	{}
 };
 
 /* mute/unmute internal speaker according to the hp jack and mute state */
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 71138ff9b310..a9b40a1d4ee0 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -1590,7 +1590,10 @@ static int snd_trident_trigger(struct snd_pcm_substream *substream,
 	if (spdif_flag) {
 		if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
 			outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS));
-			outb(trident->spdif_pcm_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
+			val = trident->spdif_pcm_ctrl;
+			if (!go)
+				val &= ~(0x28);
+			outb(val, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
 		} else {
 			outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS));
 			val = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) | SPDIF_EN;