main/linux-grsec: merge in stable changes

up to 3.4.28

2 files changed, 893 insertions, 5 deletions

diff --git a/main/linux-grsec/APKBUILD b/main/linux-grsec/APKBUILD
index b443c28ede..f437e908d8 100644
--- a/main/linux-grsec/APKBUILD
+++ b/main/linux-grsec/APKBUILD
@@ -4,7 +4,7 @@ _flavor=grsec
 pkgname=linux-${_flavor}
 pkgver=3.6.11
 _kernver=3.6
-pkgrel=6
+pkgrel=7
 pkgdesc="Linux kernel with grsecurity"
 url=http://grsecurity.net
 depends="mkinitfs linux-firmware"
@@ -14,7 +14,7 @@ _config=${config:-kernelconfig.${CARCH}}
 install=
 source="http://ftp.kernel.org/pub/linux/kernel/v3.x/linux-$_kernver.tar.xz
 	http://ftp.kernel.org/pub/linux/kernel/v3.x/patch-$pkgver.xz
-	patch-3.6.11-al1.patch
+	patch-3.6.11-al2.patch
 	grsecurity-2.9.1-3.6.11-al1-unofficial-0.patch
 	
 	0004-arp-flush-arp-cache-on-device-change.patch
@@ -144,7 +144,7 @@ dev() {
 
 md5sums="1a1760420eac802c541a20ab51a093d1  linux-3.6.tar.xz
 bd4bba74093405887d521309a74c19e9  patch-3.6.11.xz
-90efc91d59e9cfde50de2031a798e62b  patch-3.6.11-al1.patch
+4d225839f004e4133c5fa48b7ca0ddf5  patch-3.6.11-al2.patch
 3838e6334ed957fd73e793e1816fe66c  grsecurity-2.9.1-3.6.11-al1-unofficial-0.patch
 776adeeb5272093574f8836c5037dd7d  0004-arp-flush-arp-cache-on-device-change.patch
 daf2cbb558588c49c138fe9ca2482b64  r8169-num-rx-desc.patch
diff --git a/main/linux-grsec/patch-3.6.11-al1.patch b/main/linux-grsec/patch-3.6.11-al2.patch
index 053b2c9d75..3139bf3a63 100644
--- a/main/linux-grsec/patch-3.6.11-al1.patch
+++ b/main/linux-grsec/patch-3.6.11-al2.patch
@@ -422,6 +422,28 @@ index 5cee802..53339c1 100644
  	init_gbpages();
  
  	/* max_pfn_mapped is updated here */
+diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
+index ad3730b..aac684d 100644
+--- a/drivers/acpi/processor_idle.c
++++ b/drivers/acpi/processor_idle.c
+@@ -1009,6 +1009,9 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr)
+ 		return -EINVAL;
+ 	}
+ 
++	if (!dev)
++		return -EINVAL;
++
+ 	dev->cpu = pr->id;
+ 
+ 	if (max_cstate == 0)
+@@ -1196,6 +1199,7 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
+ 		}
+ 
+ 		/* Populate Updated C-state information */
++		acpi_processor_get_power_info(pr);
+ 		acpi_processor_setup_cpuidle_states(pr);
+ 
+ 		/* Enable all cpuidle devices */
 diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
 index d1ecca2..f1fcaca 100644
 --- a/drivers/acpi/scan.c
@@ -842,6 +864,41 @@ index 847ed55..813aa38 100644
  	sleep_states[ACPI_STATE_S0] = 1;
  	printk(KERN_INFO PREFIX "(supports S0");
  
+diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
+index 7862d17..4979127 100644
+--- a/drivers/ata/ahci.c
++++ b/drivers/ata/ahci.c
+@@ -53,6 +53,7 @@
+ 
+ enum {
+ 	AHCI_PCI_BAR_STA2X11	= 0,
++	AHCI_PCI_BAR_ENMOTUS	= 2,
+ 	AHCI_PCI_BAR_STANDARD	= 5,
+ };
+ 
+@@ -410,6 +411,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
+ 	{ PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci },	/* ASM1061 */
+ 	{ PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci },	/* ASM1062 */
+ 
++	/* Enmotus */
++	{ PCI_DEVICE(0x1c44, 0x8000), board_ahci },
++
+ 	/* Generic, PCI class code for AHCI */
+ 	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ 	  PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
+@@ -1098,9 +1102,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
+ 		dev_info(&pdev->dev,
+ 			 "PDC42819 can only drive SATA devices with this driver\n");
+ 
+-	/* The Connext uses non-standard BAR */
++	/* Both Connext and Enmotus devices use non-standard BARs */
+ 	if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
+ 		ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
++	else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
++		ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
+ 
+ 	/* acquire resources */
+ 	rc = pcim_enable_device(pdev);
 diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
 index 8e1039c..8789aef 100644
 --- a/drivers/ata/libata-core.c
@@ -1221,6 +1278,19 @@ index 654e248..e023c65 100644
  
  	/* Atheros AR9285 Malbec with sflash firmware */
  	{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
+diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
+index f7f1dc6..ed0e8b7 100644
+--- a/drivers/dma/ioat/dma_v3.c
++++ b/drivers/dma/ioat/dma_v3.c
+@@ -951,7 +951,7 @@ static int __devinit ioat_xor_val_self_test(struct ioatdma_device *device)
+ 			goto free_resources;
+ 		}
+ 	}
+-	dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_TO_DEVICE);
++	dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_FROM_DEVICE);
+ 
+ 	/* skip validate if the capability is not present */
+ 	if (!dma_has_cap(DMA_XOR_VAL, dma_chan->device->cap_mask))
 diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
 index 08c6749..638e1f7 100644
 --- a/drivers/firewire/net.c
@@ -1259,11 +1329,206 @@ index 08c6749..638e1f7 100644
  		put_unaligned_be32(node_id << 16 | IANA_SPECIFIER_ID >> 8, p);
  		put_unaligned_be32((IANA_SPECIFIER_ID & 0xff) << 24
  						| RFC2734_SW_VERSION, &p[4]);
+diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
+index b298158..fd3ae62 100644
+--- a/drivers/firmware/dmi_scan.c
++++ b/drivers/firmware/dmi_scan.c
+@@ -16,6 +16,7 @@
+  */
+ static char dmi_empty_string[] = "        ";
+ 
++static u16 __initdata dmi_ver;
+ /*
+  * Catch too early calls to dmi_check_system():
+  */
+@@ -118,12 +119,12 @@ static int __init dmi_walk_early(void (*decode)(const struct dmi_header *,
+ 	return 0;
+ }
+ 
+-static int __init dmi_checksum(const u8 *buf)
++static int __init dmi_checksum(const u8 *buf, u8 len)
+ {
+ 	u8 sum = 0;
+ 	int a;
+ 
+-	for (a = 0; a < 15; a++)
++	for (a = 0; a < len; a++)
+ 		sum += buf[a];
+ 
+ 	return sum == 0;
+@@ -161,8 +162,10 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, int inde
+ 		return;
+ 
+ 	for (i = 0; i < 16 && (is_ff || is_00); i++) {
+-		if(d[i] != 0x00) is_ff = 0;
+-		if(d[i] != 0xFF) is_00 = 0;
++		if (d[i] != 0x00)
++			is_00 = 0;
++		if (d[i] != 0xFF)
++			is_ff = 0;
+ 	}
+ 
+ 	if (is_ff || is_00)
+@@ -172,7 +175,15 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, int inde
+ 	if (!s)
+ 		return;
+ 
+-	sprintf(s, "%pUB", d);
++	/*
++	 * As of version 2.6 of the SMBIOS specification, the first 3 fields of
++	 * the UUID are supposed to be little-endian encoded.  The specification
++	 * says that this is the defacto standard.
++	 */
++	if (dmi_ver >= 0x0206)
++		sprintf(s, "%pUL", d);
++	else
++		sprintf(s, "%pUB", d);
+ 
+         dmi_ident[slot] = s;
+ }
+@@ -404,29 +415,57 @@ static int __init dmi_present(const char __iomem *p)
+ 	u8 buf[15];
+ 
+ 	memcpy_fromio(buf, p, 15);
+-	if ((memcmp(buf, "_DMI_", 5) == 0) && dmi_checksum(buf)) {
++	if (dmi_checksum(buf, 15)) {
+ 		dmi_num = (buf[13] << 8) | buf[12];
+ 		dmi_len = (buf[7] << 8) | buf[6];
+ 		dmi_base = (buf[11] << 24) | (buf[10] << 16) |
+ 			(buf[9] << 8) | buf[8];
+ 
+-		/*
+-		 * DMI version 0.0 means that the real version is taken from
+-		 * the SMBIOS version, which we don't know at this point.
+-		 */
+-		if (buf[14] != 0)
+-			printk(KERN_INFO "DMI %d.%d present.\n",
+-			       buf[14] >> 4, buf[14] & 0xF);
+-		else
+-			printk(KERN_INFO "DMI present.\n");
+ 		if (dmi_walk_early(dmi_decode) == 0) {
++			if (dmi_ver)
++				pr_info("SMBIOS %d.%d present.\n",
++				       dmi_ver >> 8, dmi_ver & 0xFF);
++			else {
++				dmi_ver = (buf[14] & 0xF0) << 4 |
++					   (buf[14] & 0x0F);
++				pr_info("Legacy DMI %d.%d present.\n",
++				       dmi_ver >> 8, dmi_ver & 0xFF);
++			}
+ 			dmi_dump_ids();
+ 			return 0;
+ 		}
+ 	}
++	dmi_ver = 0;
+ 	return 1;
+ }
+ 
++static int __init smbios_present(const char __iomem *p)
++{
++	u8 buf[32];
++	int offset = 0;
++
++	memcpy_fromio(buf, p, 32);
++	if ((buf[5] < 32) && dmi_checksum(buf, buf[5])) {
++		dmi_ver = (buf[6] << 8) + buf[7];
++
++		/* Some BIOS report weird SMBIOS version, fix that up */
++		switch (dmi_ver) {
++		case 0x021F:
++		case 0x0221:
++			pr_debug("SMBIOS version fixup(2.%d->2.%d)\n",
++			       dmi_ver & 0xFF, 3);
++			dmi_ver = 0x0203;
++			break;
++		case 0x0233:
++			pr_debug("SMBIOS version fixup(2.%d->2.%d)\n", 51, 6);
++			dmi_ver = 0x0206;
++			break;
++		}
++		offset = 16;
++	}
++	return dmi_present(buf + offset);
++}
++
+ void __init dmi_scan_machine(void)
+ {
+ 	char __iomem *p, *q;
+@@ -444,7 +483,7 @@ void __init dmi_scan_machine(void)
+ 		if (p == NULL)
+ 			goto error;
+ 
+-		rc = dmi_present(p + 0x10); /* offset of _DMI_ string */
++		rc = smbios_present(p);
+ 		dmi_iounmap(p, 32);
+ 		if (!rc) {
+ 			dmi_available = 1;
+@@ -462,7 +501,12 @@ void __init dmi_scan_machine(void)
+ 			goto error;
+ 
+ 		for (q = p; q < p + 0x10000; q += 16) {
+-			rc = dmi_present(q);
++			if (memcmp(q, "_SM_", 4) == 0 && q - p <= 0xFFE0)
++				rc = smbios_present(q);
++			else if (memcmp(q, "_DMI_", 5) == 0)
++				rc = dmi_present(q);
++			else
++				continue;
+ 			if (!rc) {
+ 				dmi_available = 1;
+ 				dmi_iounmap(p, 0x10000);
+diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+index cdf46b5..d8bb392 100644
+--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
++++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+@@ -749,6 +749,8 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
+ 	total = 0;
+ 	for (i = 0; i < count; i++) {
+ 		struct drm_i915_gem_relocation_entry __user *user_relocs;
++		u64 invalid_offset = (u64)-1;
++		int j;
+ 
+ 		user_relocs = (void __user *)(uintptr_t)exec[i].relocs_ptr;
+ 
+@@ -759,6 +761,25 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
+ 			goto err;
+ 		}
+ 
++		/* As we do not update the known relocation offsets after
++		 * relocating (due to the complexities in lock handling),
++		 * we need to mark them as invalid now so that we force the
++		 * relocation processing next time. Just in case the target
++		 * object is evicted and then rebound into its old
++		 * presumed_offset before the next execbuffer - if that
++		 * happened we would make the mistake of assuming that the
++		 * relocations were valid.
++		 */
++		for (j = 0; j < exec[i].relocation_count; j++) {
++			if (copy_to_user(&user_relocs[j].presumed_offset,
++					 &invalid_offset,
++					 sizeof(invalid_offset))) {
++				ret = -EFAULT;
++				mutex_lock(&dev->struct_mutex);
++				goto err;
++			}
++		}
++
+ 		reloc_offset[i] = total;
+ 		total += exec[i].relocation_count;
+ 	}
 diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
-index f02cfad..a1f91aa 100644
+index f02cfad..380e7da 100644
 --- a/drivers/gpu/drm/i915/i915_reg.h
 +++ b/drivers/gpu/drm/i915/i915_reg.h
-@@ -3274,6 +3274,8 @@
+@@ -506,6 +506,7 @@
+  * the enables for writing to the corresponding low bit.
+  */
+ #define _3D_CHICKEN	0x02084
++#define  _3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB	(1 << 10)
+ #define _3D_CHICKEN2	0x0208c
+ /* Disables pipelining of read flushes past the SF-WIZ interface.
+  * Required on all Ironlake steppings according to the B-Spec, but the
+@@ -3274,6 +3275,8 @@
  #define _PFA_CTL_1               0x68080
  #define _PFB_CTL_1               0x68880
  #define  PF_ENABLE              (1<<31)
@@ -1374,6 +1639,21 @@ index 0c52448..2e6448c 100644
  		.ident = "Gigabyte GA-D525TUD",
  		.matches = {
  			DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co., Ltd."),
+diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
+index c23c9ea..572b2ca 100644
+--- a/drivers/gpu/drm/i915/intel_pm.c
++++ b/drivers/gpu/drm/i915/intel_pm.c
+@@ -3324,6 +3324,10 @@ static void gen6_init_clock_gating(struct drm_device *dev)
+ 		   I915_READ(ILK_DISPLAY_CHICKEN2) |
+ 		   ILK_ELPIN_409_SELECT);
+ 
++	/* WaDisableHiZPlanesWhenMSAAEnabled */
++	I915_WRITE(_3D_CHICKEN,
++		   _MASKED_BIT_ENABLE(_3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB));
++
+ 	I915_WRITE(WM3_LP_ILK, 0);
+ 	I915_WRITE(WM2_LP_ILK, 0);
+ 	I915_WRITE(WM1_LP_ILK, 0);
 diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c
 index 89640f2..2b59f41 100644
 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c
@@ -3305,6 +3585,242 @@ index aa970fc..8fa144f 100644
  }
  
  static void _rtl_usb_io_handler_init(struct device *dev,
+diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
+index 26ffd3e..2c113de 100644
+--- a/drivers/pci/hotplug/pciehp.h
++++ b/drivers/pci/hotplug/pciehp.h
+@@ -44,7 +44,6 @@ extern bool pciehp_poll_mode;
+ extern int pciehp_poll_time;
+ extern bool pciehp_debug;
+ extern bool pciehp_force;
+-extern struct workqueue_struct *pciehp_wq;
+ 
+ #define dbg(format, arg...)						\
+ do {									\
+@@ -78,6 +77,7 @@ struct slot {
+ 	struct hotplug_slot *hotplug_slot;
+ 	struct delayed_work work;	/* work for button event */
+ 	struct mutex lock;
++	struct workqueue_struct *wq;
+ };
+ 
+ struct event_info {
+diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
+index 365c6b9..9e39df9 100644
+--- a/drivers/pci/hotplug/pciehp_core.c
++++ b/drivers/pci/hotplug/pciehp_core.c
+@@ -42,7 +42,6 @@ bool pciehp_debug;
+ bool pciehp_poll_mode;
+ int pciehp_poll_time;
+ bool pciehp_force;
+-struct workqueue_struct *pciehp_wq;
+ 
+ #define DRIVER_VERSION	"0.4"
+ #define DRIVER_AUTHOR	"Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
+@@ -340,18 +339,13 @@ static int __init pcied_init(void)
+ {
+ 	int retval = 0;
+ 
+-	pciehp_wq = alloc_workqueue("pciehp", 0, 0);
+-	if (!pciehp_wq)
+-		return -ENOMEM;
+-
+ 	pciehp_firmware_init();
+ 	retval = pcie_port_service_register(&hpdriver_portdrv);
+  	dbg("pcie_port_service_register = %d\n", retval);
+   	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
+- 	if (retval) {
+-		destroy_workqueue(pciehp_wq);
++	if (retval)
+ 		dbg("Failure to register service\n");
+-	}
++
+ 	return retval;
+ }
+ 
+@@ -359,7 +353,6 @@ static void __exit pcied_cleanup(void)
+ {
+ 	dbg("unload_pciehpd()\n");
+ 	pcie_port_service_unregister(&hpdriver_portdrv);
+-	destroy_workqueue(pciehp_wq);
+ 	info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
+ }
+ 
+diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
+index 27f4429..38f0186 100644
+--- a/drivers/pci/hotplug/pciehp_ctrl.c
++++ b/drivers/pci/hotplug/pciehp_ctrl.c
+@@ -49,7 +49,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
+ 	info->p_slot = p_slot;
+ 	INIT_WORK(&info->work, interrupt_event_handler);
+ 
+-	queue_work(pciehp_wq, &info->work);
++	queue_work(p_slot->wq, &info->work);
+ 
+ 	return 0;
+ }
+@@ -344,7 +344,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work)
+ 		kfree(info);
+ 		goto out;
+ 	}
+-	queue_work(pciehp_wq, &info->work);
++	queue_work(p_slot->wq, &info->work);
+  out:
+ 	mutex_unlock(&p_slot->lock);
+ }
+@@ -377,7 +377,7 @@ static void handle_button_press_event(struct slot *p_slot)
+ 		if (ATTN_LED(ctrl))
+ 			pciehp_set_attention_status(p_slot, 0);
+ 
+-		queue_delayed_work(pciehp_wq, &p_slot->work, 5*HZ);
++		queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
+ 		break;
+ 	case BLINKINGOFF_STATE:
+ 	case BLINKINGON_STATE:
+@@ -439,7 +439,7 @@ static void handle_surprise_event(struct slot *p_slot)
+ 	else
+ 		p_slot->state = POWERON_STATE;
+ 
+-	queue_work(pciehp_wq, &info->work);
++	queue_work(p_slot->wq, &info->work);
+ }
+ 
+ static void interrupt_event_handler(struct work_struct *work)
+diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
+index 302451e..61632c5 100644
+--- a/drivers/pci/hotplug/pciehp_hpc.c
++++ b/drivers/pci/hotplug/pciehp_hpc.c
+@@ -773,23 +773,32 @@ static void pcie_shutdown_notification(struct controller *ctrl)
+ static int pcie_init_slot(struct controller *ctrl)
+ {
+ 	struct slot *slot;
++	char name[32];
+ 
+ 	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
+ 	if (!slot)
+ 		return -ENOMEM;
+ 
++	snprintf(name, sizeof(name), "pciehp-%u", PSN(ctrl));
++	slot->wq = alloc_workqueue(name, 0, 0);
++	if (!slot->wq)
++		goto abort;
++
+ 	slot->ctrl = ctrl;
+ 	mutex_init(&slot->lock);
+ 	INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work);
+ 	ctrl->slot = slot;
+ 	return 0;
++abort:
++	kfree(slot);
++	return -ENOMEM;
+ }
+ 
+ static void pcie_cleanup_slot(struct controller *ctrl)
+ {
+ 	struct slot *slot = ctrl->slot;
+ 	cancel_delayed_work(&slot->work);
+-	flush_workqueue(pciehp_wq);
++	destroy_workqueue(slot->wq);
+ 	kfree(slot);
+ }
+ 
+diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
+index ca64932..1b69d95 100644
+--- a/drivers/pci/hotplug/shpchp.h
++++ b/drivers/pci/hotplug/shpchp.h
+@@ -47,7 +47,6 @@ extern bool shpchp_poll_mode;
+ extern int shpchp_poll_time;
+ extern bool shpchp_debug;
+ extern struct workqueue_struct *shpchp_wq;
+-extern struct workqueue_struct *shpchp_ordered_wq;
+ 
+ #define dbg(format, arg...)						\
+ do {									\
+diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
+index b6de307..8c6d645 100644
+--- a/drivers/pci/hotplug/shpchp_core.c
++++ b/drivers/pci/hotplug/shpchp_core.c
+@@ -40,7 +40,6 @@ bool shpchp_debug;
+ bool shpchp_poll_mode;
+ int shpchp_poll_time;
+ struct workqueue_struct *shpchp_wq;
+-struct workqueue_struct *shpchp_ordered_wq;
+ 
+ #define DRIVER_VERSION	"0.4"
+ #define DRIVER_AUTHOR	"Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
+@@ -181,7 +180,6 @@ void cleanup_slots(struct controller *ctrl)
+ 		list_del(&slot->slot_list);
+ 		cancel_delayed_work(&slot->work);
+ 		flush_workqueue(shpchp_wq);
+-		flush_workqueue(shpchp_ordered_wq);
+ 		pci_hp_deregister(slot->hotplug_slot);
+ 	}
+ }
+@@ -370,17 +368,10 @@ static int __init shpcd_init(void)
+ 	if (!shpchp_wq)
+ 		return -ENOMEM;
+ 
+-	shpchp_ordered_wq = alloc_ordered_workqueue("shpchp_ordered", 0);
+-	if (!shpchp_ordered_wq) {
+-		destroy_workqueue(shpchp_wq);
+-		return -ENOMEM;
+-	}
+-
+ 	retval = pci_register_driver(&shpc_driver);
+ 	dbg("%s: pci_register_driver = %d\n", __func__, retval);
+ 	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
+ 	if (retval) {
+-		destroy_workqueue(shpchp_ordered_wq);
+ 		destroy_workqueue(shpchp_wq);
+ 	}
+ 	return retval;
+@@ -390,7 +381,6 @@ static void __exit shpcd_cleanup(void)
+ {
+ 	dbg("unload_shpchpd()\n");
+ 	pci_unregister_driver(&shpc_driver);
+-	destroy_workqueue(shpchp_ordered_wq);
+ 	destroy_workqueue(shpchp_wq);
+ 	info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
+ }
+diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
+index f9b5a52..fd2cae9 100644
+--- a/drivers/pci/hotplug/shpchp_ctrl.c
++++ b/drivers/pci/hotplug/shpchp_ctrl.c
+@@ -453,7 +453,7 @@ void shpchp_queue_pushbutton_work(struct work_struct *work)
+ 		kfree(info);
+ 		goto out;
+ 	}
+-	queue_work(shpchp_ordered_wq, &info->work);
++	queue_work(shpchp_wq, &info->work);
+  out:
+ 	mutex_unlock(&p_slot->lock);
+ }
+diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
+index 1b7d05d..b0c92a5 100644
+--- a/drivers/pci/pcie/aer/aerdrv_core.c
++++ b/drivers/pci/pcie/aer/aerdrv_core.c
+@@ -649,6 +649,7 @@ static void aer_recover_work_func(struct work_struct *work)
+ 			continue;
+ 		}
+ 		do_recovery(pdev, entry.severity);
++		pci_dev_put(pdev);
+ 	}
+ }
+ #endif
+diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
+index b500840..474f22f 100644
+--- a/drivers/pci/pcie/aspm.c
++++ b/drivers/pci/pcie/aspm.c
+@@ -798,6 +798,9 @@ void pcie_clear_aspm(struct pci_bus *bus)
+ {
+ 	struct pci_dev *child;
+ 
++	if (aspm_force)
++		return;
++
+ 	/*
+ 	 * Clear any ASPM setup that the firmware has carried out on this bus
+ 	 */
 diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
 index 5155317..161e7f0 100644
 --- a/drivers/pci/quirks.c
@@ -3578,6 +4094,49 @@ index ce5224c..931a7d9 100644
  	if (!type)
  		goto exit_store_host_reset;
  
+diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
+index 4df73e5..8afedd6 100644
+--- a/drivers/scsi/sd.c
++++ b/drivers/scsi/sd.c
+@@ -2926,10 +2926,6 @@ static int __init init_sd(void)
+ 	if (err)
+ 		goto err_out;
+ 
+-	err = scsi_register_driver(&sd_template.gendrv);
+-	if (err)
+-		goto err_out_class;
+-
+ 	sd_cdb_cache = kmem_cache_create("sd_ext_cdb", SD_EXT_CDB_SIZE,
+ 					 0, 0, NULL);
+ 	if (!sd_cdb_cache) {
+@@ -2943,8 +2939,15 @@ static int __init init_sd(void)
+ 		goto err_out_cache;
+ 	}
+ 
++	err = scsi_register_driver(&sd_template.gendrv);
++	if (err)
++		goto err_out_driver;
++
+ 	return 0;
+ 
++err_out_driver:
++	mempool_destroy(sd_cdb_pool);
++
+ err_out_cache:
+ 	kmem_cache_destroy(sd_cdb_cache);
+ 
+@@ -2967,10 +2970,10 @@ static void __exit exit_sd(void)
+ 
+ 	SCSI_LOG_HLQUEUE(3, printk("exit_sd: exiting sd driver\n"));
+ 
++	scsi_unregister_driver(&sd_template.gendrv);
+ 	mempool_destroy(sd_cdb_pool);
+ 	kmem_cache_destroy(sd_cdb_cache);
+ 
+-	scsi_unregister_driver(&sd_template.gendrv);
+ 	class_unregister(&sd_disk_class);
+ 
+ 	for (i = 0; i < SD_MAJORS; i++)
 diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
 index 6cee785..2701546 100644
 --- a/drivers/staging/comedi/Kconfig
@@ -4828,6 +5387,18 @@ index 0ab7da2..583150b 100644
  	if (cp->string == NULL &&
  			!(dev->quirks & USB_QUIRK_CONFIG_INTF_STRINGS))
  		cp->string = usb_cache_string(dev, cp->desc.iConfiguration);
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index eb0fd10..b6c4084 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -1619,6 +1619,7 @@ static int __devinit dwc3_gadget_init_endpoints(struct dwc3 *dwc)
+ 
+ 		if (epnum == 0 || epnum == 1) {
+ 			dep->endpoint.maxpacket = 512;
++			dep->endpoint.maxburst = 1;
+ 			dep->endpoint.ops = &dwc3_gadget_ep0_ops;
+ 			if (!epnum)
+ 				dwc->gadget.ep0 = &dep->endpoint;
 diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
 index afdbb1c..4ad1f1c 100644
 --- a/drivers/usb/gadget/dummy_hcd.c
@@ -5082,6 +5653,60 @@ index 39f9e4a..eb5563a 100644
  }
  
  bool usb_is_intel_switchable_xhci(struct pci_dev *pdev)
+diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
+index e4db350..3fe069f 100644
+--- a/drivers/usb/host/uhci-hcd.c
++++ b/drivers/usb/host/uhci-hcd.c
+@@ -447,6 +447,10 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
+ 		return IRQ_NONE;
+ 	uhci_writew(uhci, status, USBSTS);		/* Clear it */
+ 
++	spin_lock(&uhci->lock);
++	if (unlikely(!uhci->is_initialized))	/* not yet configured */
++		goto done;
++
+ 	if (status & ~(USBSTS_USBINT | USBSTS_ERROR | USBSTS_RD)) {
+ 		if (status & USBSTS_HSE)
+ 			dev_err(uhci_dev(uhci), "host system error, "
+@@ -455,7 +459,6 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
+ 			dev_err(uhci_dev(uhci), "host controller process "
+ 					"error, something bad happened!\n");
+ 		if (status & USBSTS_HCH) {
+-			spin_lock(&uhci->lock);
+ 			if (uhci->rh_state >= UHCI_RH_RUNNING) {
+ 				dev_err(uhci_dev(uhci),
+ 					"host controller halted, "
+@@ -473,15 +476,15 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
+ 				 * pending unlinks */
+ 				mod_timer(&hcd->rh_timer, jiffies);
+ 			}
+-			spin_unlock(&uhci->lock);
+ 		}
+ 	}
+ 
+-	if (status & USBSTS_RD)
++	if (status & USBSTS_RD) {
++		spin_unlock(&uhci->lock);
+ 		usb_hcd_poll_rh_status(hcd);
+-	else {
+-		spin_lock(&uhci->lock);
++	} else {
+ 		uhci_scan_schedule(uhci);
++ done:
+ 		spin_unlock(&uhci->lock);
+ 	}
+ 
+@@ -662,9 +665,9 @@ static int uhci_start(struct usb_hcd *hcd)
+ 	 */
+ 	mb();
+ 
++	spin_lock_irq(&uhci->lock);
+ 	configure_hc(uhci);
+ 	uhci->is_initialized = 1;
+-	spin_lock_irq(&uhci->lock);
+ 	start_rh(uhci);
+ 	spin_unlock_irq(&uhci->lock);
+ 	return 0;
 diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
 index d5eb357..abb9772 100644
 --- a/drivers/usb/host/xhci-hub.c
@@ -6681,6 +7306,28 @@ index 8d3c427..50a6cbe 100644
  #define PCI_DEVICE_ID_RICOH_R5CE823	0xe823
  #define PCI_DEVICE_ID_RICOH_R5C832	0x0832
  #define PCI_DEVICE_ID_RICOH_R5C843	0x0843
+diff --git a/include/linux/sched.h b/include/linux/sched.h
+index 23bddac..d2bbc12 100644
+--- a/include/linux/sched.h
++++ b/include/linux/sched.h
+@@ -2684,7 +2684,16 @@ static inline void thread_group_cputime_init(struct signal_struct *sig)
+ extern void recalc_sigpending_and_wake(struct task_struct *t);
+ extern void recalc_sigpending(void);
+ 
+-extern void signal_wake_up(struct task_struct *t, int resume_stopped);
++extern void signal_wake_up_state(struct task_struct *t, unsigned int state);
++
++static inline void signal_wake_up(struct task_struct *t, bool resume)
++{
++	signal_wake_up_state(t, resume ? TASK_WAKEKILL : 0);
++}
++static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume)
++{
++	signal_wake_up_state(t, resume ? __TASK_TRACED : 0);
++}
+ 
+ /*
+  * Wrappers for p->thread_info->cpu access. No-op on UP.
 diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
 index ba1d361..1832927 100644
 --- a/include/net/inet_connection_sock.h
@@ -6779,6 +7426,231 @@ index 4c69326..e48caf8 100644
  	}
  
  	if (!alloc_cpumask_var(&mask, GFP_KERNEL)) {
+diff --git a/kernel/ptrace.c b/kernel/ptrace.c
+index a232bb5..b96de86b4 100644
+--- a/kernel/ptrace.c
++++ b/kernel/ptrace.c
+@@ -117,11 +117,45 @@ void __ptrace_unlink(struct task_struct *child)
+ 	 * TASK_KILLABLE sleeps.
+ 	 */
+ 	if (child->jobctl & JOBCTL_STOP_PENDING || task_is_traced(child))
+-		signal_wake_up(child, task_is_traced(child));
++		ptrace_signal_wake_up(child, true);
+ 
+ 	spin_unlock(&child->sighand->siglock);
+ }
+ 
++/* Ensure that nothing can wake it up, even SIGKILL */
++static bool ptrace_freeze_traced(struct task_struct *task)
++{
++	bool ret = false;
++
++	/* Lockless, nobody but us can set this flag */
++	if (task->jobctl & JOBCTL_LISTENING)
++		return ret;
++
++	spin_lock_irq(&task->sighand->siglock);
++	if (task_is_traced(task) && !__fatal_signal_pending(task)) {
++		task->state = __TASK_TRACED;
++		ret = true;
++	}
++	spin_unlock_irq(&task->sighand->siglock);
++
++	return ret;
++}
++
++static void ptrace_unfreeze_traced(struct task_struct *task)
++{
++	if (task->state != __TASK_TRACED)
++		return;
++
++	WARN_ON(!task->ptrace || task->parent != current);
++
++	spin_lock_irq(&task->sighand->siglock);
++	if (__fatal_signal_pending(task))
++		wake_up_state(task, __TASK_TRACED);
++	else
++		task->state = TASK_TRACED;
++	spin_unlock_irq(&task->sighand->siglock);
++}
++
+ /**
+  * ptrace_check_attach - check whether ptracee is ready for ptrace operation
+  * @child: ptracee to check for
+@@ -151,24 +185,29 @@ int ptrace_check_attach(struct task_struct *child, bool ignore_state)
+ 	 * be changed by us so it's not changing right after this.
+ 	 */
+ 	read_lock(&tasklist_lock);
+-	if ((child->ptrace & PT_PTRACED) && child->parent == current) {
++	if (child->ptrace && child->parent == current) {
++		WARN_ON(child->state == __TASK_TRACED);
+ 		/*
+ 		 * child->sighand can't be NULL, release_task()
+ 		 * does ptrace_unlink() before __exit_signal().
+ 		 */
+-		spin_lock_irq(&child->sighand->siglock);
+-		WARN_ON_ONCE(task_is_stopped(child));
+-		if (ignore_state || (task_is_traced(child) &&
+-				     !(child->jobctl & JOBCTL_LISTENING)))
++		if (ignore_state || ptrace_freeze_traced(child))
+ 			ret = 0;
+-		spin_unlock_irq(&child->sighand->siglock);
+ 	}
+ 	read_unlock(&tasklist_lock);
+ 
+-	if (!ret && !ignore_state)
+-		ret = wait_task_inactive(child, TASK_TRACED) ? 0 : -ESRCH;
++	if (!ret && !ignore_state) {
++		if (!wait_task_inactive(child, __TASK_TRACED)) {
++			/*
++			 * This can only happen if may_ptrace_stop() fails and
++			 * ptrace_stop() changes ->state back to TASK_RUNNING,
++			 * so we should not worry about leaking __TASK_TRACED.
++			 */
++			WARN_ON(child->state == __TASK_TRACED);
++			ret = -ESRCH;
++		}
++	}
+ 
+-	/* All systems go.. */
+ 	return ret;
+ }
+ 
+@@ -310,7 +349,7 @@ static int ptrace_attach(struct task_struct *task, long request,
+ 	 */
+ 	if (task_is_stopped(task) &&
+ 	    task_set_jobctl_pending(task, JOBCTL_TRAP_STOP | JOBCTL_TRAPPING))
+-		signal_wake_up(task, 1);
++		signal_wake_up_state(task, __TASK_STOPPED);
+ 
+ 	spin_unlock(&task->sighand->siglock);
+ 
+@@ -727,7 +766,7 @@ int ptrace_request(struct task_struct *child, long request,
+ 		 * tracee into STOP.
+ 		 */
+ 		if (likely(task_set_jobctl_pending(child, JOBCTL_TRAP_STOP)))
+-			signal_wake_up(child, child->jobctl & JOBCTL_LISTENING);
++			ptrace_signal_wake_up(child, child->jobctl & JOBCTL_LISTENING);
+ 
+ 		unlock_task_sighand(child, &flags);
+ 		ret = 0;
+@@ -753,7 +792,7 @@ int ptrace_request(struct task_struct *child, long request,
+ 			 * start of this trap and now.  Trigger re-trap.
+ 			 */
+ 			if (child->jobctl & JOBCTL_TRAP_NOTIFY)
+-				signal_wake_up(child, true);
++				ptrace_signal_wake_up(child, true);
+ 			ret = 0;
+ 		}
+ 		unlock_task_sighand(child, &flags);
+@@ -890,6 +929,8 @@ SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr,
+ 		goto out_put_task_struct;
+ 
+ 	ret = arch_ptrace(child, request, addr, data);
++	if (ret || request != PTRACE_DETACH)
++		ptrace_unfreeze_traced(child);
+ 
+  out_put_task_struct:
+ 	put_task_struct(child);
+@@ -1029,8 +1070,11 @@ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
+ 
+ 	ret = ptrace_check_attach(child, request == PTRACE_KILL ||
+ 				  request == PTRACE_INTERRUPT);
+-	if (!ret)
++	if (!ret) {
+ 		ret = compat_arch_ptrace(child, request, addr, data);
++		if (ret || request != PTRACE_DETACH)
++			ptrace_unfreeze_traced(child);
++	}
+ 
+  out_put_task_struct:
+ 	put_task_struct(child);
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c
+index 1a48cdb..5eb6c96 100644
+--- a/kernel/sched/core.c
++++ b/kernel/sched/core.c
+@@ -1686,7 +1686,8 @@ out:
+  */
+ int wake_up_process(struct task_struct *p)
+ {
+-	return try_to_wake_up(p, TASK_ALL, 0);
++	WARN_ON(task_is_stopped_or_traced(p));
++	return try_to_wake_up(p, TASK_NORMAL, 0);
+ }
+ EXPORT_SYMBOL(wake_up_process);
+ 
+diff --git a/kernel/signal.c b/kernel/signal.c
+index be4f856..67b64be 100644
+--- a/kernel/signal.c
++++ b/kernel/signal.c
+@@ -678,23 +678,17 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info)
+  * No need to set need_resched since signal event passing
+  * goes through ->blocked
+  */
+-void signal_wake_up(struct task_struct *t, int resume)
++void signal_wake_up_state(struct task_struct *t, unsigned int state)
+ {
+-	unsigned int mask;
+-
+ 	set_tsk_thread_flag(t, TIF_SIGPENDING);
+-
+ 	/*
+-	 * For SIGKILL, we want to wake it up in the stopped/traced/killable
++	 * TASK_WAKEKILL also means wake it up in the stopped/traced/killable
+ 	 * case. We don't check t->state here because there is a race with it
+ 	 * executing another processor and just now entering stopped state.
+ 	 * By using wake_up_state, we ensure the process will wake up and
+ 	 * handle its death signal.
+ 	 */
+-	mask = TASK_INTERRUPTIBLE;
+-	if (resume)
+-		mask |= TASK_WAKEKILL;
+-	if (!wake_up_state(t, mask))
++	if (!wake_up_state(t, state | TASK_INTERRUPTIBLE))
+ 		kick_process(t);
+ }
+ 
+@@ -842,7 +836,7 @@ static void ptrace_trap_notify(struct task_struct *t)
+ 	assert_spin_locked(&t->sighand->siglock);
+ 
+ 	task_set_jobctl_pending(t, JOBCTL_TRAP_NOTIFY);
+-	signal_wake_up(t, t->jobctl & JOBCTL_LISTENING);
++	ptrace_signal_wake_up(t, t->jobctl & JOBCTL_LISTENING);
+ }
+ 
+ /*
+@@ -1797,6 +1791,10 @@ static inline int may_ptrace_stop(void)
+ 	 * If SIGKILL was already sent before the caller unlocked
+ 	 * ->siglock we must see ->core_state != NULL. Otherwise it
+ 	 * is safe to enter schedule().
++	 *
++	 * This is almost outdated, a task with the pending SIGKILL can't
++	 * block in TASK_TRACED. But PTRACE_EVENT_EXIT can be reported
++	 * after SIGKILL was already dequeued.
+ 	 */
+ 	if (unlikely(current->mm->core_state) &&
+ 	    unlikely(current->mm == current->parent->mm))
+@@ -1922,6 +1920,7 @@ static void ptrace_stop(int exit_code, int why, int clear_code, siginfo_t *info)
+ 		if (gstop_done)
+ 			do_notify_parent_cldstop(current, false, why);
+ 
++		/* tasklist protects us from ptrace_freeze_traced() */
+ 		__set_current_state(TASK_RUNNING);
+ 		if (clear_code)
+ 			current->exit_code = 0;
+diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
+index 781ecc2..7f8a8df 100644
+--- a/kernel/trace/ftrace.c
++++ b/kernel/trace/ftrace.c
+@@ -3863,7 +3863,7 @@ static int ftrace_module_notify(struct notifier_block *self,
+ 
+ struct notifier_block ftrace_module_nb = {
+ 	.notifier_call = ftrace_module_notify,
+-	.priority = 0,
++	.priority = INT_MAX,	/* Run before anything that can use kprobes */
+ };
+ 
+ extern unsigned long __start_mcount_loc[];
 diff --git a/lib/atomic64.c b/lib/atomic64.c
 index 9785378..08a4f06 100644
 --- a/lib/atomic64.c
@@ -8088,6 +8960,22 @@ index 5d7f61d..2480c01 100644
  
  	xprt = req->rq_xprt;
  	if (task->tk_ops->rpc_count_stats != NULL)
+diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
+index 49a464f..62fa2c5 100644
+--- a/security/integrity/evm/evm_crypto.c
++++ b/security/integrity/evm/evm_crypto.c
+@@ -205,9 +205,9 @@ int evm_update_evmxattr(struct dentry *dentry, const char *xattr_name,
+ 		rc = __vfs_setxattr_noperm(dentry, XATTR_NAME_EVM,
+ 					   &xattr_data,
+ 					   sizeof(xattr_data), 0);
+-	}
+-	else if (rc == -ENODATA)
++	} else if (rc == -ENODATA && inode->i_op->removexattr) {
+ 		rc = inode->i_op->removexattr(dentry, XATTR_NAME_EVM);
++	}
+ 	return rc;
+ }
+ 
 diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c
 index 48d7c0a..bd3ba88 100644
 --- a/sound/arm/pxa2xx-ac97-lib.c