Linux 2.6.32.22

index dfcf75b..c8662cd 100644
@@ -198,7 +198,7 @@ ptr_to_compat(void __user *uptr)
 }
 
 static __inline__ void __user *
-compat_alloc_user_space (long len)
+arch_compat_alloc_user_space (long len)
 {
 	struct pt_regs *regs = task_pt_regs(current);
 	return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);

index 6c89228..4a746ea 100644
@@ -25,7 +25,7 @@ static int ia64_set_msi_irq_affinity(unsigned int irq,
 	if (irq_prepare_move(irq, cpu))
 		return -1;
 
-	read_msi_msg(irq, &msg);
+	get_cached_msi_msg(irq, &msg);
 
 	addr = msg.address_lo;
 	addr &= MSI_ADDR_DEST_ID_MASK;

index fbbfb97..9ab2617 100644
@@ -174,7 +174,7 @@ static int sn_set_msi_irq_affinity(unsigned int irq,
 	 * Release XIO resources for the old MSI PCI address
 	 */
 
-	read_msi_msg(irq, &msg);
+	get_cached_msi_msg(irq, &msg);
         sn_pdev = (struct pcidev_info *)sn_irq_info->irq_pciioinfo;
 	pdev = sn_pdev->pdi_linux_pcidev;
 	provider = SN_PCIDEV_BUSPROVIDER(pdev);

index f58aed3..27505bd 100644
@@ -144,7 +144,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 	return (u32)(unsigned long)uptr;
 }
 
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
 	struct pt_regs *regs = (struct pt_regs *)
 		((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;

index 7f32611..7c77fa9 100644
@@ -146,7 +146,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 	return (u32)(unsigned long)uptr;
 }
 
-static __inline__ void __user *compat_alloc_user_space(long len)
+static __inline__ void __user *arch_compat_alloc_user_space(long len)
 {
 	struct pt_regs *regs = &current->thread.regs;
 	return (void __user *)regs->gr[30];

index 4774c2f..8d0fff3 100644
@@ -133,7 +133,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 	return (u32)(unsigned long)uptr;
 }
 
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
 	struct pt_regs *regs = current->thread.regs;
 	unsigned long usp = regs->gpr[1];

index 01a0802..0c940d3 100644
@@ -180,7 +180,7 @@ static inline int is_compat_task(void)
 
 #endif
 
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
 	unsigned long stack;
 

index 0e70625..612bb38 100644
@@ -166,7 +166,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 	return (u32)(unsigned long)uptr;
 }
 
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
 	struct pt_regs *regs = current_thread_info()->kregs;
 	unsigned long usp = regs->u_regs[UREG_I6];

index 9a9c7bd..c8c9a74 100644
@@ -204,7 +204,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 	return (u32)(unsigned long)uptr;
 }
 
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
 	struct pt_regs *regs = task_pt_regs(current);
 	return (void __user *)regs->sp - len;

index c042729..1ca132f 100644
@@ -59,5 +59,7 @@ extern void check_tsc_sync_source(int cpu);
 extern void check_tsc_sync_target(void);
 
 extern int notsc_setup(char *);
+extern void save_sched_clock_state(void);
+extern void restore_sched_clock_state(void);
 
 #endif /* _ASM_X86_TSC_H */

index 1acd1c4..0da6495 100644
@@ -3338,7 +3338,7 @@ static int set_msi_irq_affinity(unsigned int irq, const struct cpumask *mask)
 
 	cfg = desc->chip_data;
 
-	read_msi_msg_desc(desc, &msg);
+	get_cached_msi_msg_desc(desc, &msg);
 
 	msg.data &= ~MSI_DATA_VECTOR_MASK;
 	msg.data |= MSI_DATA_VECTOR(cfg->vector);

index 597683a..aaefa71 100644
@@ -626,6 +626,44 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu)
 	local_irq_restore(flags);
 }
 
+static unsigned long long cyc2ns_suspend;
+
+void save_sched_clock_state(void)
+{
+	if (!sched_clock_stable)
+		return;
+
+	cyc2ns_suspend = sched_clock();
+}
+
+/*
+ * Even on processors with invariant TSC, TSC gets reset in some the
+ * ACPI system sleep states. And in some systems BIOS seem to reinit TSC to
+ * arbitrary value (still sync'd across cpu's) during resume from such sleep
+ * states. To cope up with this, recompute the cyc2ns_offset for each cpu so
+ * that sched_clock() continues from the point where it was left off during
+ * suspend.
+ */
+void restore_sched_clock_state(void)
+{
+	unsigned long long offset;
+	unsigned long flags;
+	int cpu;
+
+	if (!sched_clock_stable)
+		return;
+
+	local_irq_save(flags);
+
+	__get_cpu_var(cyc2ns_offset) = 0;
+	offset = cyc2ns_suspend - sched_clock();
+
+	for_each_possible_cpu(cpu)
+		per_cpu(cyc2ns_offset, cpu) = offset;
+
+	local_irq_restore(flags);
+}
+
 #ifdef CONFIG_CPU_FREQ
 
 /* Frequency scaling support. Adjust the TSC based timer when the cpu frequency

index c41ad50..3130a4b 100644
@@ -518,8 +518,13 @@ static int __init init_sysfs(void)
 	int error;
 
 	error = sysdev_class_register(&oprofile_sysclass);
-	if (!error)
-		error = sysdev_register(&device_oprofile);
+	if (error)
+		return error;
+
+	error = sysdev_register(&device_oprofile);
+	if (error)
+		sysdev_class_unregister(&oprofile_sysclass);
+
 	return error;
 }
 

@@ -530,8 +535,10 @@ static void exit_sysfs(void)
 }
 
 #else
-#define init_sysfs() do { } while (0)
-#define exit_sysfs() do { } while (0)
+
+static inline int  init_sysfs(void) { return 0; }
+static inline void exit_sysfs(void) { }
+
 #endif /* CONFIG_PM */
 
 static int __init p4_init(char **cpu_type)

@@ -645,6 +652,8 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 	char *cpu_type = NULL;
 	int ret = 0;
 
+	using_nmi = 0;
+
 	if (!cpu_has_apic)
 		return -ENODEV;
 

@@ -727,7 +736,10 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 
 	mux_init(ops);
 
-	init_sysfs();
+	ret = init_sysfs();
+	if (ret)
+		return ret;
+
 	using_nmi = 1;
 	printk(KERN_INFO "oprofile: using NMI interrupt.\n");
 	return 0;

index eeeb522..fa0f651 100644
@@ -112,6 +112,7 @@ static void __save_processor_state(struct saved_context *ctxt)
 void save_processor_state(void)
 {
 	__save_processor_state(&saved_context);
+	save_sched_clock_state();
 }
 #ifdef CONFIG_X86_32
 EXPORT_SYMBOL(save_processor_state);

@@ -253,6 +254,7 @@ static void __restore_processor_state(struct saved_context *ctxt)
 void restore_processor_state(void)
 {
 	__restore_processor_state(&saved_context);
+	restore_sched_clock_state();
 }
 #ifdef CONFIG_X86_32
 EXPORT_SYMBOL(restore_processor_state);

index 6a96da6..0963cd6 100644
@@ -5504,6 +5504,7 @@ static int ata_host_request_pm(struct ata_host *host, pm_message_t mesg,
  */
 int ata_host_suspend(struct ata_host *host, pm_message_t mesg)
 {
+	unsigned int ehi_flags = ATA_EHI_QUIET;
 	int rc;
 
 	/*

@@ -5512,7 +5513,18 @@ int ata_host_suspend(struct ata_host *host, pm_message_t mesg)
 	 */
 	ata_lpm_enable(host);
 
-	rc = ata_host_request_pm(host, mesg, 0, ATA_EHI_QUIET, 1);
+	/*
+	 * On some hardware, device fails to respond after spun down
+	 * for suspend.  As the device won't be used before being
+	 * resumed, we don't need to touch the device.  Ask EH to skip
+	 * the usual stuff and proceed directly to suspend.
+	 *
+	 * http://thread.gmane.org/gmane.linux.ide/46764
+	 */
+	if (mesg.event == PM_EVENT_SUSPEND)
+		ehi_flags |= ATA_EHI_NO_AUTOPSY | ATA_EHI_NO_RECOVERY;
+
+	rc = ata_host_request_pm(host, mesg, 0, ehi_flags, 1);
 	if (rc == 0)
 		host->dev->power.power_state = mesg;
 	return rc;

index e30b9e7..fa9bed0 100644
@@ -3149,6 +3149,10 @@ static int ata_eh_skip_recovery(struct ata_link *link)
 	if (link->flags & ATA_LFLAG_DISABLED)
 		return 1;
 
+	/* skip if explicitly requested */
+	if (ehc->i.flags & ATA_EHI_NO_RECOVERY)
+		return 1;
+
 	/* thaw frozen port and recover failed devices */
 	if ((ap->pflags & ATA_PFLAG_FROZEN) || ata_link_nr_enabled(link))
 		return 0;

82 lines not on this page · raw message

index 08173fc..1b8745d 100644
@@ -925,13 +925,13 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 		mode_changed = true;
 
 	if (mode_changed) {
-		old_fb = set->crtc->fb;
-		set->crtc->fb = set->fb;
 		set->crtc->enabled = (set->mode != NULL);
 		if (set->mode != NULL) {
 			DRM_DEBUG_KMS("attempting to set mode from"
 					" userspace\n");
 			drm_mode_debug_printmodeline(set->mode);
+			old_fb = set->crtc->fb;
+			set->crtc->fb = set->fb;
 			if (!drm_crtc_helper_set_mode(set->crtc, set->mode,
 						      set->x, set->y,
 						      old_fb)) {

index 2680db7..c3aca5c 100644
@@ -683,8 +683,10 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
 		ret = copy_from_user(cliprects, batch->cliprects,
 				     batch->num_cliprects *
 				     sizeof(struct drm_clip_rect));
-		if (ret != 0)
+		if (ret != 0) {
+			ret = -EFAULT;
 			goto fail_free;
+		}
 	}
 
 	mutex_lock(&dev->struct_mutex);

@@ -725,8 +727,10 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 		return -ENOMEM;
 
 	ret = copy_from_user(batch_data, cmdbuf->buf, cmdbuf->sz);
-	if (ret != 0)
+	if (ret != 0) {
+		ret = -EFAULT;
 		goto fail_batch_free;
+	}
 
 	if (cmdbuf->num_cliprects) {
 		cliprects = kcalloc(cmdbuf->num_cliprects,

@@ -737,8 +741,10 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 		ret = copy_from_user(cliprects, cmdbuf->cliprects,
 				     cmdbuf->num_cliprects *
 				     sizeof(struct drm_clip_rect));
-		if (ret != 0)
+		if (ret != 0) {
+			ret = -EFAULT;
 			goto fail_clip_free;
+		}
 	}
 
 	mutex_lock(&dev->struct_mutex);

index 176a6df..3ada62b 100644
@@ -3667,6 +3667,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 		if (ret != 0) {
 			DRM_ERROR("copy %d cliprects failed: %d\n",
 				  args->num_cliprects, ret);
+			ret = -EFAULT;
 			goto pre_mutex_err;
 		}
 	}

index 4f5c733..79cc437 100644
@@ -1954,6 +1954,9 @@ static void intel_crtc_dpms(struct drm_crtc *crtc, int mode)
 	int pipe = intel_crtc->pipe;
 	bool enabled;
 
+	if (intel_crtc->dpms_mode == mode)
+		return;
+
 	dev_priv->display.dpms(crtc, mode);
 
 	intel_crtc->dpms_mode = mode;

@@ -4000,7 +4003,7 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
 	}
 
 	intel_crtc->cursor_addr = 0;
-	intel_crtc->dpms_mode = DRM_MODE_DPMS_OFF;
+	intel_crtc->dpms_mode = -1;
 	drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs);
 
 	intel_crtc->busy = false;

index 1ca6574..e9add5b 100644
@@ -1000,16 +1000,6 @@ static int usbhid_start(struct hid_device *hid)
 		}
 	}
 
-	init_waitqueue_head(&usbhid->wait);
-	INIT_WORK(&usbhid->reset_work, hid_reset);
-	INIT_WORK(&usbhid->restart_work, __usbhid_restart_queues);
-	setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
-
-	spin_lock_init(&usbhid->lock);
-
-	usbhid->intf = intf;
-	usbhid->ifnum = interface->desc.bInterfaceNumber;
-
 	usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
 	if (!usbhid->urbctrl) {
 		ret = -ENOMEM;

@@ -1180,6 +1170,14 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
 
 	hid->driver_data = usbhid;
 	usbhid->hid = hid;
+	usbhid->intf = intf;
+	usbhid->ifnum = interface->desc.bInterfaceNumber;
+
+	init_waitqueue_head(&usbhid->wait);
+	INIT_WORK(&usbhid->reset_work, hid_reset);
+	INIT_WORK(&usbhid->restart_work, __usbhid_restart_queues);
+	setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
+	spin_lock_init(&usbhid->lock);
 
 	ret = hid_add_device(hid);
 	if (ret) {

index e2107e5..afebc34 100644
@@ -79,7 +79,7 @@ I2C_CLIENT_INSMOD_2(f75373, f75375);
 #define F75375_REG_PWM2_DROP_DUTY	0x6C
 
 #define FAN_CTRL_LINEAR(nr)		(4 + nr)
-#define FAN_CTRL_MODE(nr)		(5 + ((nr) * 2))
+#define FAN_CTRL_MODE(nr)		(4 + ((nr) * 2))
 
 /*
  * Data structures and manipulation thereof

@@ -298,7 +298,7 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val)
 		return -EINVAL;
 
 	fanmode = f75375_read8(client, F75375_REG_FAN_TIMER);
-	fanmode = ~(3 << FAN_CTRL_MODE(nr));
+	fanmode &= ~(3 << FAN_CTRL_MODE(nr));
 
 	switch (val) {
 	case 0: /* Full speed */

@@ -350,7 +350,7 @@ static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr,
 
 	mutex_lock(&data->update_lock);
 	conf = f75375_read8(client, F75375_REG_CONFIG1);
-	conf = ~(1 << FAN_CTRL_LINEAR(nr));
+	conf &= ~(1 << FAN_CTRL_LINEAR(nr));
 
 	if (val == 0)
 		conf |= (1 << FAN_CTRL_LINEAR(nr)) ;

index f808d18..4f84d1a 100644
@@ -143,6 +143,37 @@ static struct pci_device_id k8temp_ids[] = {
 
 MODULE_DEVICE_TABLE(pci, k8temp_ids);
 
+static int __devinit is_rev_g_desktop(u8 model)
+{
+	u32 brandidx;
+
+	if (model < 0x69)
+		return 0;
+
+	if (model == 0xc1 || model == 0x6c || model == 0x7c)
+		return 0;
+
+	/*
+	 * Differentiate between AM2 and ASB1.
+	 * See "Constructing the processor Name String" in "Revision
+	 * Guide for AMD NPT Family 0Fh Processors" (33610).
+	 */
+	brandidx = cpuid_ebx(0x80000001);
+	brandidx = (brandidx >> 9) & 0x1f;
+
+	/* Single core */
+	if ((model == 0x6f || model == 0x7f) &&
+	    (brandidx == 0x7 || brandidx == 0x9 || brandidx == 0xc))
+		return 0;
+
+	/* Dual core */
+	if (model == 0x6b &&
+	    (brandidx == 0xb || brandidx == 0xc))
+		return 0;
+
+	return 1;
+}
+
 static int __devinit k8temp_probe(struct pci_dev *pdev,
 				  const struct pci_device_id *id)
 {

@@ -179,9 +210,7 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
 				 "wrong - check erratum #141\n");
 		}
 
-		if ((model >= 0x69) &&
-		    !(model == 0xc1 || model == 0x6c || model == 0x7c ||
-		      model == 0x6b || model == 0x6f || model == 0x7f)) {
+		if (is_rev_g_desktop(model)) {
 			/*
 			 * RevG desktop CPUs (i.e. no socket S1G1 or
 			 * ASB1 parts) need additional offset,

index 1df02d2..16f5ab2 100644
@@ -1412,8 +1412,8 @@ static int __init i8042_init(void)
 
 static void __exit i8042_exit(void)
 {
-	platform_driver_unregister(&i8042_driver);
 	platform_device_unregister(i8042_platform_device);
+	platform_driver_unregister(&i8042_driver);
 	i8042_platform_exit();
 
 	panic_blink = NULL;

index 91991b4..f43edfd 100644
@@ -161,6 +161,7 @@ tmio_mmc_start_command(struct tmio_mmc_host *host, struct mmc_command *cmd)
 static inline void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
 {
 	struct mmc_data *data = host->data;
+	void *sg_virt;
 	unsigned short *buf;
 	unsigned int count;
 	unsigned long flags;

@@ -170,8 +171,8 @@ static inline void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
 		return;
 	}
 
-	buf = (unsigned short *)(tmio_mmc_kmap_atomic(host, &flags) +
-	      host->sg_off);
+	sg_virt = tmio_mmc_kmap_atomic(host->sg_ptr, &flags);
+	buf = (unsigned short *)(sg_virt + host->sg_off);
 
 	count = host->sg_ptr->length - host->sg_off;
 	if (count > data->blksz)

@@ -188,7 +189,7 @@ static inline void tmio_mmc_pio_irq(struct tmio_mmc_host *host)
 
 	host->sg_off += count;
 
-	tmio_mmc_kunmap_atomic(host, &flags);
+	tmio_mmc_kunmap_atomic(sg_virt, &flags);
 
 	if (host->sg_off == host->sg_ptr->length)
 		tmio_mmc_next_sg(host);

index 9fa9985..ee8fa89 100644
@@ -102,10 +102,7 @@
 
 #define ack_mmc_irqs(host, i) \
 	do { \
-		u32 mask;\
-		mask  = sd_ctrl_read32((host), CTL_STATUS); \
-		mask &= ~((i) & TMIO_MASK_IRQ); \
-		sd_ctrl_write32((host), CTL_STATUS, mask); \
+		sd_ctrl_write32((host), CTL_STATUS, ~(i)); \
 	} while (0)
 
 

@@ -200,19 +197,17 @@ static inline int tmio_mmc_next_sg(struct tmio_mmc_host *host)
 	return --host->sg_len;
 }
 
-static inline char *tmio_mmc_kmap_atomic(struct tmio_mmc_host *host,
+static inline char *tmio_mmc_kmap_atomic(struct scatterlist *sg,
 	unsigned long *flags)
 {
-	struct scatterlist *sg = host->sg_ptr;
-
 	local_irq_save(*flags);
 	return kmap_atomic(sg_page(sg), KM_BIO_SRC_IRQ) + sg->offset;
 }
 
-static inline void tmio_mmc_kunmap_atomic(struct tmio_mmc_host *host,
+static inline void tmio_mmc_kunmap_atomic(void *virt,
 	unsigned long *flags)
 {
-	kunmap_atomic(sg_page(host->sg_ptr), KM_BIO_SRC_IRQ);
+	kunmap_atomic(virt, KM_BIO_SRC_IRQ);
 	local_irq_restore(*flags);
 }
 

index 4fdfa2a..0f77aca 100644
@@ -1006,7 +1006,8 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
 		if (err < 0)
 			goto err_free_sk;
 
-		if (device_create_file(&tun->dev->dev, &dev_attr_tun_flags) ||
+		if (!net_eq(dev_net(tun->dev), &init_net) ||
+		    device_create_file(&tun->dev->dev, &dev_attr_tun_flags) ||
 		    device_create_file(&tun->dev->dev, &dev_attr_owner) ||
 		    device_create_file(&tun->dev->dev, &dev_attr_group))
 			printk(KERN_ERR "Failed to create tun sysfs files\n");

index ce166ae..2c4914a 100644
@@ -1288,6 +1288,10 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
 			PCI_DMA_TODEVICE);
 
 	rate = ieee80211_get_tx_rate(sc->hw, info);
+	if (!rate) {
+		ret = -EINVAL;
+		goto err_unmap;
+	}
 
 	if (info->flags & IEEE80211_TX_CTL_NO_ACK)
 		flags |= AR5K_TXDESC_NOACK;

index 4fe33f7..a5daa0d 100644
@@ -60,7 +60,7 @@
 
 #define SD_NO_CTL               0xE0
 #define NO_CTL                  0xff
-#define CTL_MODE_M              7
+#define CTL_MODE_M              0xf
 #define CTL_11A                 0
 #define CTL_11B                 1
 #define CTL_11G                 2

index c1dd857..21cf521 100644
@@ -31,7 +31,6 @@ enum ctl_group {
 #define NO_CTL 0xff
 #define SD_NO_CTL               0xE0
 #define NO_CTL                  0xff
-#define CTL_MODE_M              7
 #define CTL_11A                 0
 #define CTL_11B                 1
 #define CTL_11G                 2

index 9d147de..0edd7b4 100644
@@ -445,7 +445,7 @@ static void p54_rx_frame_sent(struct p54_common *priv, struct sk_buff *skb)
 	}
 
 	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) &&
-	     (!payload->status))
+	     !(payload->status & P54_TX_FAILED))
 		info->flags |= IEEE80211_TX_STAT_ACK;
 	if (payload->status & P54_TX_PSM_CANCELLED)
 		info->flags |= IEEE80211_TX_STAT_TX_FILTERED;

index c9e2ae9..5c4df24 100644
@@ -140,16 +140,6 @@ static struct notifier_block module_load_nb = {
 	.notifier_call = module_load_notify,
 };
 
-
-static void end_sync(void)
-{
-	end_cpu_work();
-	/* make sure we don't leak task structs */
-	process_task_mortuary();
-	process_task_mortuary();
-}
-
-
 int sync_start(void)
 {
 	int err;

@@ -157,7 +147,7 @@ int sync_start(void)
 	if (!zalloc_cpumask_var(&marked_cpus, GFP_KERNEL))
 		return -ENOMEM;
 
-	start_cpu_work();
+	mutex_lock(&buffer_mutex);
 
 	err = task_handoff_register(&task_free_nb);
 	if (err)

@@ -172,7 +162,10 @@ int sync_start(void)
 	if (err)
 		goto out4;
 
+	start_cpu_work();
+
 out:
+	mutex_unlock(&buffer_mutex);
 	return err;
 out4:
 	profile_event_unregister(PROFILE_MUNMAP, &munmap_nb);

@@ -181,7 +174,6 @@ out3:
 out2:
 	task_handoff_unregister(&task_free_nb);
 out1:
-	end_sync();
 	free_cpumask_var(marked_cpus);
 	goto out;
 }

@@ -189,11 +181,20 @@ out1:
 
 void sync_stop(void)
 {
+	/* flush buffers */
+	mutex_lock(&buffer_mutex);
+	end_cpu_work();
 	unregister_module_notifier(&module_load_nb);
 	profile_event_unregister(PROFILE_MUNMAP, &munmap_nb);
 	profile_event_unregister(PROFILE_TASK_EXIT, &task_exit_nb);
 	task_handoff_unregister(&task_free_nb);
-	end_sync();
+	mutex_unlock(&buffer_mutex);
+	flush_scheduled_work();
+
+	/* make sure we don't leak task structs */
+	process_task_mortuary();
+	process_task_mortuary();
+
 	free_cpumask_var(marked_cpus);
 }
 

index 1f1f5a8..5e2ac4a 100644
@@ -121,8 +121,6 @@ void end_cpu_work(void)
 
 		cancel_delayed_work(&b->work);
 	}
-
-	flush_scheduled_work();
 }
 
 /*

index f9cf317..0fb1d05 100644
@@ -195,6 +195,9 @@ void unmask_msi_irq(unsigned int irq)
 void read_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg)
 {
 	struct msi_desc *entry = get_irq_desc_msi(desc);
+
+	BUG_ON(entry->dev->current_state != PCI_D0);
+
 	if (entry->msi_attrib.is_msix) {
 		void __iomem *base = entry->mask_base +
 			entry->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE;

@@ -228,10 +231,32 @@ void read_msi_msg(unsigned int irq, struct msi_msg *msg)
 	read_msi_msg_desc(desc, msg);
 }
 
+void get_cached_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg)
+{
+	struct msi_desc *entry = get_irq_desc_msi(desc);
+
+	/* Assert that the cache is valid, assuming that
+	 * valid messages are not all-zeroes. */
+	BUG_ON(!(entry->msg.address_hi | entry->msg.address_lo |
+		 entry->msg.data));
+
+	*msg = entry->msg;
+}
+
+void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg)
+{
+	struct irq_desc *desc = irq_to_desc(irq);
+
+	get_cached_msi_msg_desc(desc, msg);
+}
+
 void write_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg)
 {
 	struct msi_desc *entry = get_irq_desc_msi(desc);
-	if (entry->msi_attrib.is_msix) {
+
+	if (entry->dev->current_state != PCI_D0) {
+		/* Don't touch the hardware now */
+	} else if (entry->msi_attrib.is_msix) {
 		void __iomem *base;
 		base = entry->mask_base +
 			entry->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE;

index 936bae5..dc628cb 100644
@@ -233,6 +233,7 @@ static int calculate_capacity(enum apm_source source)
 		empty_design_prop = POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN;
 		now_prop = POWER_SUPPLY_PROP_ENERGY_NOW;
 		avg_prop = POWER_SUPPLY_PROP_ENERGY_AVG;
+		break;
 	case SOURCE_VOLTAGE:
 		full_prop = POWER_SUPPLY_PROP_VOLTAGE_MAX;
 		empty_prop = POWER_SUPPLY_PROP_VOLTAGE_MIN;

index f69ae33..3a38103 100644
@@ -192,7 +192,7 @@ Description:
 static inline u64
 GetRingBufferIndices(RING_BUFFER_INFO* RingInfo)
 {
-	return ((u64)RingInfo->RingBuffer->WriteIndex << 32) || RingInfo->RingBuffer->ReadIndex;
+	return (u64)RingInfo->RingBuffer->WriteIndex << 32;
 }
 
 

index 69c1406..3d8ff08 100644
@@ -28,10 +28,10 @@
 #include "VmbusApi.h"
 
 /* Defines */
-#define STORVSC_RING_BUFFER_SIZE			(10*PAGE_SIZE)
+#define STORVSC_RING_BUFFER_SIZE			(20*PAGE_SIZE)
 #define BLKVSC_RING_BUFFER_SIZE				(20*PAGE_SIZE)
 
-#define STORVSC_MAX_IO_REQUESTS				64
+#define STORVSC_MAX_IO_REQUESTS				128
 
 /*
  * In Hyper-V, each port/path/target maps to 1 scsi host adapter.  In

index 4c3c8bc..547261d 100644
@@ -392,6 +392,9 @@ static const struct net_device_ops device_ops = {
 	.ndo_start_xmit =		netvsc_start_xmit,
 	.ndo_get_stats =		netvsc_get_stats,
 	.ndo_set_multicast_list =	netvsc_set_multicast_list,
+	.ndo_change_mtu =		eth_change_mtu,
+	.ndo_validate_addr =		eth_validate_addr,
+	.ndo_set_mac_address =		eth_mac_addr,
 };
 
 static int netvsc_probe(struct device *device)

index d49dc21..2a4b147 100644
@@ -532,7 +532,7 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
 
 		ASSERT(orig_sgl[i].offset + orig_sgl[i].length <= PAGE_SIZE);
 
-		if (j == 0)
+		if (bounce_addr == 0)
 			bounce_addr = (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), KM_IRQ0);
 
 		while (srclen) {

@@ -593,7 +593,7 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
 		destlen = orig_sgl[i].length;
 		ASSERT(orig_sgl[i].offset + orig_sgl[i].length <= PAGE_SIZE);
 
-		if (j == 0)
+		if (bounce_addr == 0)
 			bounce_addr = (unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])), KM_IRQ0);
 
 		while (destlen) {

@@ -652,6 +652,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
 	unsigned int request_size = 0;
 	int i;
 	struct scatterlist *sgl;
+	unsigned int sg_count = 0;
 
 	DPRINT_ENTER(STORVSC_DRV);
 

@@ -736,6 +737,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
 	request->DataBuffer.Length = scsi_bufflen(scmnd);
 	if (scsi_sg_count(scmnd)) {
 		sgl = (struct scatterlist *)scsi_sglist(scmnd);
+		sg_count = scsi_sg_count(scmnd);
 
 		/* check if we need to bounce the sgl */
 		if (do_bounce_buffer(sgl, scsi_sg_count(scmnd)) != -1) {

@@ -770,11 +772,12 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
 					      scsi_sg_count(scmnd));
 
 			sgl = cmd_request->bounce_sgl;
+			sg_count = cmd_request->bounce_sgl_count;
 		}
 
 		request->DataBuffer.Offset = sgl[0].offset;
 
-		for (i = 0; i < scsi_sg_count(scmnd); i++) {
+		for (i = 0; i < sg_count; i++) {
 			DPRINT_DBG(STORVSC_DRV, "sgl[%d] len %d offset %d \n",
 				   i, sgl[i].length, sgl[i].offset);
 			request->DataBuffer.PfnArray[i] =

109 lines not on this page · raw message

index 48267bc..33ac6ac 100644
@@ -291,9 +291,13 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 	/* mandatory */
 	case OID_GEN_VENDOR_DESCRIPTION:
 		pr_debug("%s: OID_GEN_VENDOR_DESCRIPTION\n", __func__);
-		length = strlen (rndis_per_dev_params [configNr].vendorDescr);
-		memcpy (outbuf,
-			rndis_per_dev_params [configNr].vendorDescr, length);
+		if ( rndis_per_dev_params [configNr].vendorDescr ) {
+			length = strlen (rndis_per_dev_params [configNr].vendorDescr);
+			memcpy (outbuf,
+				rndis_per_dev_params [configNr].vendorDescr, length);
+		} else {
+			outbuf[0] = 0;
+		}
 		retval = 0;
 		break;
 

index 36f96da..ab26c2b 100644
@@ -192,17 +192,19 @@ ehci_hcd_ppc_of_probe(struct of_device *op, const struct of_device_id *match)
 	}
 
 	rv = usb_add_hcd(hcd, irq, 0);
-	if (rv == 0)
-		return 0;
+	if (rv)
+		goto err_ehci;
+
+	return 0;
 
+err_ehci:
+	if (ehci->has_amcc_usb23)
+		iounmap(ehci->ohci_hcctrl_reg);
 	iounmap(hcd->regs);
 err_ioremap:
 	irq_dispose_mapping(irq);
 err_irq:
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-
-	if (ehci->has_amcc_usb23)
-		iounmap(ehci->ohci_hcctrl_reg);
 err_rmr:
 	usb_put_hcd(hcd);
 

index 99bde5fc..93c4923 100644
@@ -90,6 +90,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x10C4, 0x8149) }, /* West Mountain Radio Computerized Battery Analyzer */
 	{ USB_DEVICE(0x10C4, 0x814A) }, /* West Mountain Radio RIGblaster P&P */
 	{ USB_DEVICE(0x10C4, 0x814B) }, /* West Mountain Radio RIGtalk */
+	{ USB_DEVICE(0x10C4, 0x8156) }, /* B&G H3000 link cable */
 	{ USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */
 	{ USB_DEVICE(0x10C4, 0x818B) }, /* AVIT Research USB to TTL */
 	{ USB_DEVICE(0x10C4, 0x819F) }, /* MJS USB Toslink Switcher */

@@ -111,6 +112,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x10C4, 0x83A8) }, /* Amber Wireless AMB2560 */
 	{ USB_DEVICE(0x10C4, 0x8411) }, /* Kyocera GPS Module */
 	{ USB_DEVICE(0x10C4, 0x846E) }, /* BEI USB Sensor Interface (VCP) */
+	{ USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */
 	{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */

@@ -124,14 +126,14 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */
 	{ USB_DEVICE(0x166A, 0x0303) }, /* Clipsal 5500PCU C-Bus USB interface */
 	{ USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */
-	{ USB_DEVICE(0x17F4, 0xAAAA) }, /* Wavesense Jazz blood glucose meter */
-	{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
-	{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
-	{ USB_DEVICE(0x413C, 0x9500) }, /* DW700 GPS USB interface */
 	{ USB_DEVICE(0x16DC, 0x0010) }, /* W-IE-NE-R Plein & Baus GmbH PL512 Power Supply */
 	{ USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Power Supply */
 	{ USB_DEVICE(0x16DC, 0x0012) }, /* W-IE-NE-R Plein & Baus GmbH MPOD Multi Channel Power Supply */
 	{ USB_DEVICE(0x16DC, 0x0015) }, /* W-IE-NE-R Plein & Baus GmbH CML Control, Monitoring and Data Logger */
+	{ USB_DEVICE(0x17F4, 0xAAAA) }, /* Wavesense Jazz blood glucose meter */
+	{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
+	{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
+	{ USB_DEVICE(0x413C, 0x9500) }, /* DW700 GPS USB interface */
 	{ } /* Terminating Entry */
 };
 

index 813ec3d..a7044b1 100644
@@ -759,6 +759,14 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
 	{ USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };

index 52c3b68..30d3011 100644
@@ -135,6 +135,18 @@
 #define FTDI_NDI_AURORA_SCU_PID		0xDA74	/* NDI Aurora SCU */
 
 /*
+ * ChamSys Limited (www.chamsys.co.uk) USB wing/interface product IDs
+ */
+#define FTDI_CHAMSYS_24_MASTER_WING_PID        0xDAF8
+#define FTDI_CHAMSYS_PC_WING_PID       0xDAF9
+#define FTDI_CHAMSYS_USB_DMX_PID       0xDAFA
+#define FTDI_CHAMSYS_MIDI_TIMECODE_PID 0xDAFB
+#define FTDI_CHAMSYS_MINI_WING_PID     0xDAFC
+#define FTDI_CHAMSYS_MAXI_WING_PID     0xDAFD
+#define FTDI_CHAMSYS_MEDIA_WING_PID    0xDAFE
+#define FTDI_CHAMSYS_WING_PID  0xDAFF
+
+/*
  * Westrex International devices submitted by Cory Lee
  */
 #define FTDI_WESTREX_MODEL_777_PID	0xDC00	/* Model 777 */

110 lines not on this page · raw message

index 30e0467..a4dc7bf 100644
@@ -106,6 +106,7 @@ static inline unsigned long *cpu_evtchn_mask(int cpu)
 #define VALID_EVTCHN(chn)	((chn) != 0)
 
 static struct irq_chip xen_dynamic_chip;
+static struct irq_chip xen_percpu_chip;
 
 /* Constructor for packed IRQ information. */
 static struct irq_info mk_unbound_info(void)

@@ -362,7 +363,7 @@ int bind_evtchn_to_irq(unsigned int evtchn)
 		irq = find_unbound_irq();
 
 		set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
-					      handle_level_irq, "event");
+					      handle_edge_irq, "event");
 
 		evtchn_to_irq[evtchn] = irq;
 		irq_info[irq] = mk_evtchn_info(evtchn);

@@ -388,8 +389,8 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
 		if (irq < 0)
 			goto out;
 
-		set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
-					      handle_level_irq, "ipi");
+		set_irq_chip_and_handler_name(irq, &xen_percpu_chip,
+					      handle_percpu_irq, "ipi");
 
 		bind_ipi.vcpu = cpu;
 		if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_ipi,

@@ -429,8 +430,8 @@ static int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
 
 		irq = find_unbound_irq();
 
-		set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
-					      handle_level_irq, "virq");
+		set_irq_chip_and_handler_name(irq, &xen_percpu_chip,
+					      handle_percpu_irq, "virq");
 
 		evtchn_to_irq[evtchn] = irq;
 		irq_info[irq] = mk_virq_info(evtchn, virq);

@@ -929,6 +930,16 @@ static struct irq_chip xen_dynamic_chip __read_mostly = {
 	.retrigger	= retrigger_dynirq,
 };
 
+static struct irq_chip en_percpu_chip __read_mostly = {
+	.name		= "xen-percpu",
+
+	.disable	= disable_dynirq,
+	.mask		= disable_dynirq,
+	.unmask		= enable_dynirq,
+
+	.ack		= ack_dynirq,
+};
+
 void __init xen_init_IRQ(void)
 {
 	int i;

index c4e8353..42b60b0 100644
@@ -723,7 +723,7 @@ static int __init init_misc_binfmt(void)
 {
 	int err = register_filesystem(&bm_fs_type);
 	if (!err) {
-		err = register_binfmt(&misc_format);
+		err = insert_binfmt(&misc_format);
 		if (err)
 			unregister_filesystem(&bm_fs_type);
 	}

index 51d9e33..650546f 100644
@@ -1158,6 +1158,14 @@ __acquires(&fc->lock)
 	}
 }
 
+static void end_queued_requests(struct fuse_conn *fc)
+{
+	fc->max_background = UINT_MAX;
+	flush_bg_queue(fc);
+	end_requests(fc, &fc->pending);
+	end_requests(fc, &fc->processing);
+}
+
 /*
  * Abort all requests.
  *

@@ -1184,8 +1192,7 @@ void fuse_abort_conn(struct fuse_conn *fc)
 		fc->connected = 0;
 		fc->blocked = 0;
 		end_io_requests(fc);
-		end_requests(fc, &fc->pending);
-		end_requests(fc, &fc->processing);
+		end_queued_requests(fc);
 		wake_up_all(&fc->waitq);
 		wake_up_all(&fc->blocked_waitq);
 		kill_fasync(&fc->fasync, SIGIO, POLL_IN);

@@ -1200,8 +1207,9 @@ int fuse_dev_release(struct inode *inode, struct file *file)
 	if (fc) {
 		spin_lock(&fc->lock);
 		fc->connected = 0;
-		end_requests(fc, &fc->pending);
-		end_requests(fc, &fc->processing);
+		fc->blocked = 0;
+		end_queued_requests(fc);
+		wake_up_all(&fc->blocked_waitq);
 		spin_unlock(&fc->lock);
 		fuse_conn_put(fc);
 	}

index 127ed5c..19cbbf7 100644
@@ -273,7 +273,7 @@ static int nfs_sockaddr_match_ipaddr6(const struct sockaddr *sa1,
 	    sin1->sin6_scope_id != sin2->sin6_scope_id)
 		return 0;
 
-	return ipv6_addr_equal(&sin1->sin6_addr, &sin1->sin6_addr);
+	return ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr);
 }
 #else	/* !defined(CONFIG_IPV6) && !defined(CONFIG_IPV6_MODULE) */
 static int nfs_sockaddr_match_ipaddr6(const struct sockaddr *sa1,

index 4c827d8..3fcb479 100644
@@ -485,7 +485,11 @@ static int ocfs2_read_locked_inode(struct inode *inode,
 						     OCFS2_BH_IGNORE_CACHE);
 	} else {
 		status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh);
-		if (!status)
+		/*
+		 * If buffer is in jbd, then its checksum may not have been
+		 * computed as yet.
+		 */
+		if (!status && !buffer_jbd(bh))
 			status = ocfs2_validate_inode_block(osb->sb, bh);
 	}
 	if (status < 0) {

index f5ea468..7118a38 100644
@@ -340,7 +340,7 @@ static int sysfs_open_file(struct inode *inode, struct file *file)
 	char *p;
 
 	p = d_path(&file->f_path, last_sysfs_file, sizeof(last_sysfs_file));
-	if (p)
+	if (!IS_ERR(p))
 		memmove(last_sysfs_file, p, strlen(p) + 1);
 
 	/* need attr_sd for attr and ops, its parent for kobj */

index af931ee..cab23f2 100644
@@ -309,5 +309,7 @@ asmlinkage long compat_sys_newfstatat(unsigned int dfd, char __user * filename,
 asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename,
 				  int flags, int mode);
 
+extern void __user *compat_alloc_user_space(unsigned long len);
+
 #endif /* CONFIG_COMPAT */
 #endif /* _LINUX_COMPAT_H */

index a5740fc..a73454a 100644
@@ -21,8 +21,7 @@ extern int number_of_cpusets;	/* How many cpusets are defined in system? */
 extern int cpuset_init(void);
 extern void cpuset_init_smp(void);
 extern void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask);
-extern void cpuset_cpus_allowed_locked(struct task_struct *p,
-				       struct cpumask *mask);
+extern int cpuset_cpus_allowed_fallback(struct task_struct *p);
 extern nodemask_t cpuset_mems_allowed(struct task_struct *p);
 #define cpuset_current_mems_allowed (current->mems_allowed)
 void cpuset_init_current_mems_allowed(void);

@@ -69,9 +68,6 @@ struct seq_file;
 extern void cpuset_task_status_allowed(struct seq_file *m,
 					struct task_struct *task);
 
-extern void cpuset_lock(void);
-extern void cpuset_unlock(void);
-
 extern int cpuset_mem_spread_node(void);
 
 static inline int cpuset_do_page_mem_spread(void)

@@ -105,10 +101,11 @@ static inline void cpuset_cpus_allowed(struct task_struct *p,
 {
 	cpumask_copy(mask, cpu_possible_mask);
 }
-static inline void cpuset_cpus_allowed_locked(struct task_struct *p,
-					      struct cpumask *mask)
+
+static inline int cpuset_cpus_allowed_fallback(struct task_struct *p)
 {
-	cpumask_copy(mask, cpu_possible_mask);
+	cpumask_copy(&p->cpus_allowed, cpu_possible_mask);
+	return cpumask_any(cpu_active_mask);
 }
 
 static inline nodemask_t cpuset_mems_allowed(struct task_struct *p)

@@ -157,9 +154,6 @@ static inline void cpuset_task_status_allowed(struct seq_file *m,
 {
 }
 
-static inline void cpuset_lock(void) {}
-static inline void cpuset_unlock(void) {}
-
 static inline int cpuset_mem_spread_node(void)
 {
 	return 0;

index b0f6d97..a069916 100644
@@ -339,6 +339,7 @@ enum {
 	ATA_EHI_HOTPLUGGED	= (1 << 0),  /* could have been hotplugged */
 	ATA_EHI_NO_AUTOPSY	= (1 << 2),  /* no autopsy */
 	ATA_EHI_QUIET		= (1 << 3),  /* be quiet */
+	ATA_EHI_NO_RECOVERY	= (1 << 4),  /* no recovery */
 
 	ATA_EHI_DID_SOFTRESET	= (1 << 16), /* already soft-reset this port */
 	ATA_EHI_DID_HARDRESET	= (1 << 17), /* already soft-reset this port */

index 6991ab5..91b05c1 100644
@@ -14,8 +14,10 @@ struct irq_desc;
 extern void mask_msi_irq(unsigned int irq);
 extern void unmask_msi_irq(unsigned int irq);
 extern void read_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
+extern void get_cached_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
 extern void write_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
 extern void read_msi_msg(unsigned int irq, struct msi_msg *msg);
+extern void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg);
 extern void write_msi_msg(unsigned int irq, struct msi_msg *msg);
 
 struct msi_desc {

index cc24beb..957a25f 100644
@@ -145,7 +145,6 @@ extern unsigned long this_cpu_load(void);
 
 
 extern void calc_global_load(void);
-extern u64 cpu_nr_migrations(int cpu);
 
 extern unsigned long get_parent_ip(unsigned long addr);
 

@@ -1001,6 +1000,7 @@ struct sched_domain {
 	char *name;
 #endif
 
+	unsigned int span_weight;
 	/*
 	 * Span of all CPUs in this domain.
 	 *

@@ -1072,7 +1072,8 @@ struct sched_domain;
 struct sched_class {
 	const struct sched_class *next;
 
-	void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup);
+	void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup,
+			      bool head);
 	void (*dequeue_task) (struct rq *rq, struct task_struct *p, int sleep);
 	void (*yield_task) (struct rq *rq);
 

@@ -1082,7 +1083,8 @@ struct sched_class {
 	void (*put_prev_task) (struct rq *rq, struct task_struct *p);
 
 #ifdef CONFIG_SMP
-	int  (*select_task_rq)(struct task_struct *p, int sd_flag, int flags);
+	int  (*select_task_rq)(struct rq *rq, struct task_struct *p,
+			       int sd_flag, int flags);
 
 	unsigned long (*load_balance) (struct rq *this_rq, int this_cpu,
 			struct rq *busiest, unsigned long max_load_move,

@@ -1094,7 +1096,8 @@ struct sched_class {
 			      enum cpu_idle_type idle);
 	void (*pre_schedule) (struct rq *this_rq, struct task_struct *task);
 	void (*post_schedule) (struct rq *this_rq);
-	void (*task_wake_up) (struct rq *this_rq, struct task_struct *task);
+	void (*task_waking) (struct rq *this_rq, struct task_struct *task);
+	void (*task_woken) (struct rq *this_rq, struct task_struct *task);
 
 	void (*set_cpus_allowed)(struct task_struct *p,
 				 const struct cpumask *newmask);

@@ -1105,7 +1108,7 @@ struct sched_class {
 
 	void (*set_curr_task) (struct rq *rq);
 	void (*task_tick) (struct rq *rq, struct task_struct *p, int queued);
-	void (*task_new) (struct rq *rq, struct task_struct *p);
+	void (*task_fork) (struct task_struct *p);
 
 	void (*switched_from) (struct rq *this_rq, struct task_struct *task,
 			       int running);

@@ -1114,10 +1117,11 @@ struct sched_class {
 	void (*prio_changed) (struct rq *this_rq, struct task_struct *task,
 			     int oldprio, int running);
 
-	unsigned int (*get_rr_interval) (struct task_struct *task);
+	unsigned int (*get_rr_interval) (struct rq *rq,
+					 struct task_struct *task);
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
-	void (*moved_group) (struct task_struct *p);
+	void (*moved_group) (struct task_struct *p, int on_rq);
 #endif
 };
 

@@ -1178,7 +1182,6 @@ struct sched_entity {
 	u64			nr_failed_migrations_running;
 	u64			nr_failed_migrations_hot;
 	u64			nr_forced_migrations;
-	u64			nr_forced2_migrations;
 
 	u64			nr_wakeups;
 	u64			nr_wakeups_sync;

@@ -1886,6 +1889,7 @@ extern void sched_clock_idle_sleep_event(void);
 extern void sched_clock_idle_wakeup_event(u64 delta_ns);
 
 #ifdef CONFIG_HOTPLUG_CPU
+extern void move_task_off_dead_cpu(int dead_cpu, struct task_struct *p);
 extern void idle_task_exit(void);
 #else
 static inline void idle_task_exit(void) {}

index 57e6357..5b81156 100644
@@ -99,7 +99,7 @@ int arch_update_cpu_topology(void);
 				| 1*SD_WAKE_AFFINE			\
 				| 1*SD_SHARE_CPUPOWER			\
 				| 0*SD_POWERSAVINGS_BALANCE		\
-				| 0*SD_SHARE_PKG_RESOURCES		\
+				| 1*SD_SHARE_PKG_RESOURCES		\
 				| 0*SD_SERIALIZE			\
 				| 0*SD_PREFER_SIBLING			\
 				,					\

index 180d188..8bc5578 100644
@@ -25,6 +25,7 @@
 #include <linux/posix-timers.h>
 #include <linux/times.h>
 #include <linux/ptrace.h>
+#include <linux/module.h>
 
 #include <asm/uaccess.h>
 

@@ -1136,3 +1137,24 @@ compat_sys_sysinfo(struct compat_sysinfo __user *info)
 
 	return 0;
 }
+
+/*
+ * Allocate user-space memory for the duration of a single system call,
+ * in order to marshall parameters inside a compat thunk.
+ */
+void __user *compat_alloc_user_space(unsigned long len)
+{
+	void __user *ptr;
+
+	/* If len would occupy more than half of the entire compat space... */
+	if (unlikely(len > (((compat_uptr_t)~0) >> 1)))
+		return NULL;
+
+	ptr = arch_compat_alloc_user_space(len);
+
+	if (unlikely(!access_ok(VERIFY_WRITE, ptr, len)))
+		return NULL;
+
+	return ptr;
+}
+EXPORT_SYMBOL_GPL(compat_alloc_user_space);

124 lines not on this page · raw message

83 lines not on this page · raw message

index 9f3b066..4bde56f 100644
@@ -1233,21 +1233,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	/* Need tasklist lock for parent etc handling! */
 	write_lock_irq(&tasklist_lock);
 
-	/*
-	 * The task hasn't been attached yet, so its cpus_allowed mask will
-	 * not be changed, nor will its assigned CPU.
-	 *
-	 * The cpus_allowed mask of the parent may have changed after it was
-	 * copied first time - so re-copy it here, then check the child's CPU
-	 * to ensure it is on a valid CPU (and if not, just force it back to
-	 * parent's CPU). This avoids alot of nasty races.
-	 */
-	p->cpus_allowed = current->cpus_allowed;
-	p->rt.nr_cpus_allowed = current->rt.nr_cpus_allowed;
-	if (unlikely(!cpu_isset(task_cpu(p), p->cpus_allowed) ||
-			!cpu_online(task_cpu(p))))
-		set_task_cpu(p, smp_processor_id());
-
 	/* CLONE_PARENT re-uses the old parent */
 	if (clone_flags & (CLONE_PARENT|CLONE_THREAD)) {
 		p->real_parent = current->real_parent;

359 lines not on this page · raw message

index 2b45b2e..f0c2528 100644
@@ -143,10 +143,9 @@ int groups_search(const struct group_info *group_info, gid_t grp)
 	right = group_info->ngroups;
 	while (left < right) {
 		unsigned int mid = (left+right)/2;
-		int cmp = grp - GROUP_AT(group_info, mid);
-		if (cmp > 0)
+		if (grp > GROUP_AT(group_info, mid))
 			left = mid + 1;
-		else if (cmp < 0)
+		else if (grp < GROUP_AT(group_info, mid))
 			right = mid;
 		else
 			return 1;

887 lines not on this page · raw message

index 6988cf0..6f836a8 100644
@@ -423,7 +423,6 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
 	P(se.nr_failed_migrations_running);
 	P(se.nr_failed_migrations_hot);
 	P(se.nr_forced_migrations);
-	P(se.nr_forced2_migrations);
 	P(se.nr_wakeups);
 	P(se.nr_wakeups_sync);
 	P(se.nr_wakeups_migrate);

@@ -499,7 +498,6 @@ void proc_sched_set_task(struct task_struct *p)
 	p->se.nr_failed_migrations_running	= 0;
 	p->se.nr_failed_migrations_hot		= 0;
 	p->se.nr_forced_migrations		= 0;
-	p->se.nr_forced2_migrations		= 0;
[… more lines in the raw message]

Lines of this file are not shown. View the raw message.

210 lines not on this page · raw message

index b133a28..93ad2e7 100644

Lines of this file are not shown. View the raw message.

index a4d790c..af24fab 100644

Lines of this file are not shown. View the raw message.

index 0cccb6c..22cf21e 100644

Lines of this file are not shown. View the raw message.

index a2b76a5..1d5fa08 100644

Lines of this file are not shown. View the raw message.

index 2047465..6d27a5b 100644

Lines of this file are not shown. View the raw message.

index 315ead3..cfef331 100644

Lines of this file are not shown. View the raw message.

index 2370ab4..4c32700 100644

Lines of this file are not shown. View the raw message.

index 27a2378..ea1e6de 100644

Lines of this file are not shown. View the raw message.

index 6a60c5a..62cfc0c 100644

Lines of this file are not shown. View the raw message.

index 60fe577..fddcf9c 100644

Lines of this file are not shown. View the raw message.

index d0d721c..1f133fe 100644

Lines of this file are not shown. View the raw message.

index 7b4e74d..06c118c 100644

Lines of this file are not shown. View the raw message.

index a31a8cd..3c6d141 100644

Lines of this file are not shown. View the raw message.