Merge branch 'irq/urgent' into irq/core

Reason: Further patches are conflicting with mainline fixes

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

15 files changed, 93 insertions, 34 deletions

diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index da7e52b099f..1effc8b56b4 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -109,7 +109,7 @@ static inline void freezer_count(void)
 }
 
 /*
- * Check if the task should be counted as freezeable by the freezer
+ * Check if the task should be counted as freezable by the freezer
  */
 static inline int freezer_should_skip(struct task_struct *p)
 {
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 8e6c8c42bc3..df29c8fde36 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -57,7 +57,8 @@ extern pmd_t *page_check_address_pmd(struct page *page,
 	  (transparent_hugepage_flags &					\
 	   (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG) &&			\
 	   ((__vma)->vm_flags & VM_HUGEPAGE))) &&			\
-	 !((__vma)->vm_flags & VM_NOHUGEPAGE))
+	 !((__vma)->vm_flags & VM_NOHUGEPAGE) &&			\
+	 !is_vma_temporary_stack(__vma))
 #define transparent_hugepage_defrag(__vma)				\
 	((transparent_hugepage_flags &					\
 	  (1<<TRANSPARENT_HUGEPAGE_DEFRAG_FLAG)) ||			\
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index 69747469174..fe7c4b9ae27 100644
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -4,8 +4,8 @@
 #include <linux/types.h>
 #include <linux/input.h>
 
-#define MATRIX_MAX_ROWS		16
-#define MATRIX_MAX_COLS		16
+#define MATRIX_MAX_ROWS		32
+#define MATRIX_MAX_COLS		32
 
 #define KEY(row, col, val)	((((row) & (MATRIX_MAX_ROWS - 1)) << 24) |\
 				 (((col) & (MATRIX_MAX_COLS - 1)) << 16) |\
diff --git a/include/linux/klist.h b/include/linux/klist.h
index e91a4e59b77..a370ce57cf1 100644
--- a/include/linux/klist.h
+++ b/include/linux/klist.h
@@ -22,7 +22,7 @@ struct klist {
 	struct list_head	k_list;
 	void			(*get)(struct klist_node *);
 	void			(*put)(struct klist_node *);
-} __attribute__ ((aligned (4)));
+} __attribute__ ((aligned (sizeof(void *))));
 
 #define KLIST_INIT(_name, _get, _put)					\
 	{ .k_lock	= __SPIN_LOCK_UNLOCKED(_name.k_lock),		\
diff --git a/include/linux/list.h b/include/linux/list.h
index 9a5f8a71810..3a54266a1e8 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -96,6 +96,11 @@ static inline void __list_del(struct list_head * prev, struct list_head * next)
  * in an undefined state.
  */
 #ifndef CONFIG_DEBUG_LIST
+static inline void __list_del_entry(struct list_head *entry)
+{
+	__list_del(entry->prev, entry->next);
+}
+
 static inline void list_del(struct list_head *entry)
 {
 	__list_del(entry->prev, entry->next);
@@ -103,6 +108,7 @@ static inline void list_del(struct list_head *entry)
 	entry->prev = LIST_POISON2;
 }
 #else
+extern void __list_del_entry(struct list_head *entry);
 extern void list_del(struct list_head *entry);
 #endif
 
@@ -135,7 +141,7 @@ static inline void list_replace_init(struct list_head *old,
  */
 static inline void list_del_init(struct list_head *entry)
 {
-	__list_del(entry->prev, entry->next);
+	__list_del_entry(entry);
 	INIT_LIST_HEAD(entry);
 }
 
@@ -146,7 +152,7 @@ static inline void list_del_init(struct list_head *entry)
  */
 static inline void list_move(struct list_head *list, struct list_head *head)
 {
-	__list_del(list->prev, list->next);
+	__list_del_entry(list);
 	list_add(list, head);
 }
 
@@ -158,7 +164,7 @@ static inline void list_move(struct list_head *list, struct list_head *head)
 static inline void list_move_tail(struct list_head *list,
 				  struct list_head *head)
 {
-	__list_del(list->prev, list->next);
+	__list_del_entry(list);
 	list_add_tail(list, head);
 }
 
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 32fb81212fd..1ca64113efe 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -16,6 +16,8 @@
 #include <linux/types.h>
 #include <linux/spinlock.h>
 #include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/printk.h>
 #include <asm/atomic.h>
  
 /* Each escaped entry is prefixed by ESCAPE_CODE
@@ -186,10 +188,17 @@ int oprofile_add_data(struct op_entry *entry, unsigned long val);
 int oprofile_add_data64(struct op_entry *entry, u64 val);
 int oprofile_write_commit(struct op_entry *entry);
 
-#ifdef CONFIG_PERF_EVENTS
+#ifdef CONFIG_HW_PERF_EVENTS
 int __init oprofile_perf_init(struct oprofile_operations *ops);
 void oprofile_perf_exit(void);
 char *op_name_from_perf_id(void);
-#endif /* CONFIG_PERF_EVENTS */
+#else
+static inline int __init oprofile_perf_init(struct oprofile_operations *ops)
+{
+	pr_info("oprofile: hardware counters not available\n");
+	return -ENODEV;
+}
+static inline void oprofile_perf_exit(void) { }
+#endif /* CONFIG_HW_PERF_EVENTS */
 
 #endif /* OPROFILE_H */
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index a0b639f8e80..89c3e518299 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -203,6 +203,18 @@ struct rtc_device
 	struct hrtimer pie_timer; /* sub second exp, so needs hrtimer */
 	int pie_enabled;
 	struct work_struct irqwork;
+
+
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+	struct work_struct uie_task;
+	struct timer_list uie_timer;
+	/* Those fields are protected by rtc->irq_lock */
+	unsigned int oldsecs;
+	unsigned int uie_irq_active:1;
+	unsigned int stop_uie_polling:1;
+	unsigned int uie_task_active:1;
+	unsigned int uie_timer_active:1;
+#endif
 };
 #define to_rtc_device(d) container_of(d, struct rtc_device, dev)
 
@@ -235,7 +247,10 @@ extern int rtc_irq_set_freq(struct rtc_device *rtc,
 				struct rtc_task *task, int freq);
 extern int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled);
 extern int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled);
+extern int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc,
+						unsigned int enabled);
 
+void rtc_handle_legacy_irq(struct rtc_device *rtc, int num, int mode);
 void rtc_aie_update_irq(void *private);
 void rtc_uie_update_irq(void *private);
 enum hrtimer_restart rtc_pie_update_irq(struct hrtimer *timer);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index d747f948b34..777d8a5ed06 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1744,7 +1744,7 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
 #define PF_MCE_EARLY    0x08000000      /* Early kill for mce process policy */
 #define PF_MEMPOLICY	0x10000000	/* Non-default NUMA mempolicy */
 #define PF_MUTEX_TESTER	0x20000000	/* Thread belongs to the rt mutex tester */
-#define PF_FREEZER_SKIP	0x40000000	/* Freezer should not count it as freezeable */
+#define PF_FREEZER_SKIP	0x40000000	/* Freezer should not count it as freezable */
 #define PF_FREEZER_NOSIG 0x80000000	/* Freezer won't send signals to it */
 
 /*
diff --git a/include/linux/security.h b/include/linux/security.h
index c642bb8b8f5..b2b7f9749f5 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1662,7 +1662,7 @@ int security_capset(struct cred *new, const struct cred *old,
 		    const kernel_cap_t *effective,
 		    const kernel_cap_t *inheritable,
 		    const kernel_cap_t *permitted);
-int security_capable(int cap);
+int security_capable(const struct cred *cred, int cap);
 int security_real_capable(struct task_struct *tsk, int cap);
 int security_real_capable_noaudit(struct task_struct *tsk, int cap);
 int security_sysctl(struct ctl_table *table, int op);
@@ -1856,9 +1856,9 @@ static inline int security_capset(struct cred *new,
 	return cap_capset(new, old, effective, inheritable, permitted);
 }
 
-static inline int security_capable(int cap)
+static inline int security_capable(const struct cred *cred, int cap)
 {
-	return cap_capable(current, current_cred(), cap, SECURITY_CAP_AUDIT);
+	return cap_capable(current, cred, cap, SECURITY_CAP_AUDIT);
 }
 
 static inline int security_real_capable(struct task_struct *tsk, int cap)
diff --git a/include/linux/usb/cdc.h b/include/linux/usb/cdc.h
index 5e86dc771da..81a927930bf 100644
--- a/include/linux/usb/cdc.h
+++ b/include/linux/usb/cdc.h
@@ -89,7 +89,7 @@ struct usb_cdc_acm_descriptor {
 
 #define USB_CDC_COMM_FEATURE	0x01
 #define USB_CDC_CAP_LINE	0x02
-#define USB_CDC_CAP_BRK	0x04
+#define USB_CDC_CAP_BRK		0x04
 #define USB_CDC_CAP_NOTIFY	0x08
 
 /* "Union Functional Descriptor" from CDC spec 5.2.3.8 */
@@ -271,6 +271,11 @@ struct usb_cdc_notification {
 	__le16	wLength;
 } __attribute__ ((packed));
 
+struct usb_cdc_speed_change {
+	__le32	DLBitRRate;	/* contains the downlink bit rate (IN pipe) */
+	__le32	ULBitRate;	/* contains the uplink bit rate (OUT pipe) */
+} __attribute__ ((packed));
+
 /*-------------------------------------------------------------------------*/
 
 /*
@@ -292,7 +297,7 @@ struct usb_cdc_ncm_ntb_parameters {
 	__le16	wNdpOutDivisor;
 	__le16	wNdpOutPayloadRemainder;
 	__le16	wNdpOutAlignment;
-	__le16	wPadding2;
+	__le16	wNtbOutMaxDatagrams;
 } __attribute__ ((packed));
 
 /*
@@ -307,7 +312,7 @@ struct usb_cdc_ncm_nth16 {
 	__le16	wHeaderLength;
 	__le16	wSequence;
 	__le16	wBlockLength;
-	__le16	wFpIndex;
+	__le16	wNdpIndex;
 } __attribute__ ((packed));
 
 struct usb_cdc_ncm_nth32 {
@@ -315,7 +320,7 @@ struct usb_cdc_ncm_nth32 {
 	__le16	wHeaderLength;
 	__le16	wSequence;
 	__le32	dwBlockLength;
-	__le32	dwFpIndex;
+	__le32	dwNdpIndex;
 } __attribute__ ((packed));
 
 /*
@@ -337,7 +342,7 @@ struct usb_cdc_ncm_dpe16 {
 struct usb_cdc_ncm_ndp16 {
 	__le32	dwSignature;
 	__le16	wLength;
-	__le16	wNextFpIndex;
+	__le16	wNextNdpIndex;
 	struct	usb_cdc_ncm_dpe16 dpe16[0];
 } __attribute__ ((packed));
 
@@ -375,6 +380,7 @@ struct usb_cdc_ncm_ndp32 {
 #define USB_CDC_NCM_NCAP_ENCAP_COMMAND			(1 << 2)
 #define USB_CDC_NCM_NCAP_MAX_DATAGRAM_SIZE		(1 << 3)
 #define USB_CDC_NCM_NCAP_CRC_MODE			(1 << 4)
+#define	USB_CDC_NCM_NCAP_NTB_INPUT_SIZE			(1 << 5)
 
 /* CDC NCM subclass Table 6-3: NTB Parameter Structure */
 #define USB_CDC_NCM_NTB16_SUPPORTED			(1 << 0)
@@ -392,6 +398,13 @@ struct usb_cdc_ncm_ndp32 {
 #define USB_CDC_NCM_NTB_MIN_IN_SIZE			2048
 #define USB_CDC_NCM_NTB_MIN_OUT_SIZE			2048
 
+/* NTB Input Size Structure */
+struct usb_cdc_ncm_ndp_input_size {
+	__le32	dwNtbInMaxSize;
+	__le16	wNtbInMaxDatagrams;
+	__le16	wReserved;
+} __attribute__ ((packed));
+
 /* CDC NCM subclass 6.2.11 SetCrcMode */
 #define USB_CDC_NCM_CRC_NOT_APPENDED			0x00
 #define USB_CDC_NCM_CRC_APPENDED			0x01
diff --git a/include/linux/usb/msm_hsusb_hw.h b/include/linux/usb/msm_hsusb_hw.h
index b92e17349c7..7d1babbff07 100644
--- a/include/linux/usb/msm_hsusb_hw.h
+++ b/include/linux/usb/msm_hsusb_hw.h
@@ -16,12 +16,8 @@
 #ifndef __LINUX_USB_GADGET_MSM72K_UDC_H__
 #define __LINUX_USB_GADGET_MSM72K_UDC_H__
 
-#ifdef CONFIG_ARCH_MSM7X00A
-#define USB_SBUSCFG          (MSM_USB_BASE + 0x0090)
-#else
 #define USB_AHBBURST         (MSM_USB_BASE + 0x0090)
 #define USB_AHBMODE          (MSM_USB_BASE + 0x0098)
-#endif
 #define USB_CAPLENGTH        (MSM_USB_BASE + 0x0100) /* 8 bit */
 
 #define USB_USBCMD           (MSM_USB_BASE + 0x0140)
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index a85064db8f9..e4d333543a3 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -7,7 +7,8 @@
  * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
  * anyone can use the definitions to implement compatible drivers/servers.
  *
- * Copyright (C) Red Hat, Inc., 2009, 2010
+ * Copyright (C) Red Hat, Inc., 2009, 2010, 2011
+ * Copyright (C) Amit Shah <amit.shah@redhat.com>, 2009, 2010, 2011
  */
 
 /* Feature bits */
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 1ac11586a2f..f7998a3bf02 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -250,7 +250,7 @@ static inline unsigned int work_static(struct work_struct *work) { return 0; }
 enum {
 	WQ_NON_REENTRANT	= 1 << 0, /* guarantee non-reentrance */
 	WQ_UNBOUND		= 1 << 1, /* not bound to any cpu */
-	WQ_FREEZEABLE		= 1 << 2, /* freeze during suspend */
+	WQ_FREEZABLE		= 1 << 2, /* freeze during suspend */
 	WQ_MEM_RECLAIM		= 1 << 3, /* may be used for memory reclaim */
 	WQ_HIGHPRI		= 1 << 4, /* high priority */
 	WQ_CPU_INTENSIVE	= 1 << 5, /* cpu instensive workqueue */
@@ -318,7 +318,7 @@ __alloc_workqueue_key(const char *name, unsigned int flags, int max_active,
 /**
  * alloc_ordered_workqueue - allocate an ordered workqueue
  * @name: name of the workqueue
- * @flags: WQ_* flags (only WQ_FREEZEABLE and WQ_MEM_RECLAIM are meaningful)
+ * @flags: WQ_* flags (only WQ_FREEZABLE and WQ_MEM_RECLAIM are meaningful)
  *
  * Allocate an ordered workqueue.  An ordered workqueue executes at
  * most one work item at any given time in the queued order.  They are
@@ -335,8 +335,8 @@ alloc_ordered_workqueue(const char *name, unsigned int flags)
 
 #define create_workqueue(name)					\
 	alloc_workqueue((name), WQ_MEM_RECLAIM, 1)
-#define create_freezeable_workqueue(name)			\
-	alloc_workqueue((name), WQ_FREEZEABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, 1)
+#define create_freezable_workqueue(name)			\
+	alloc_workqueue((name), WQ_FREEZABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, 1)
 #define create_singlethread_workqueue(name)			\
 	alloc_workqueue((name), WQ_UNBOUND | WQ_MEM_RECLAIM, 1)
 
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 07fdfb6b9a9..0828b6c8610 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -8,7 +8,6 @@
 #include <scsi/scsi_cmnd.h>
 #include <net/sock.h>
 #include <net/tcp.h>
-#include "target_core_mib.h"
 
 #define TARGET_CORE_MOD_VERSION		"v4.0.0-rc6"
 #define SHUTDOWN_SIGS	(sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGABRT))
@@ -195,6 +194,21 @@ typedef enum {
 	SAM_TASK_ATTR_EMULATED
 } t10_task_attr_index_t;
 
+/*
+ * Used for target SCSI statistics
+ */
+typedef enum {
+	SCSI_INST_INDEX,
+	SCSI_DEVICE_INDEX,
+	SCSI_AUTH_INTR_INDEX,
+	SCSI_INDEX_TYPE_MAX
+} scsi_index_t;
+
+struct scsi_index_table {
+	spinlock_t	lock;
+	u32		scsi_mib_index[SCSI_INDEX_TYPE_MAX];
+} ____cacheline_aligned;
+
 struct se_cmd;
 
 struct t10_alua {
@@ -578,8 +592,6 @@ struct se_node_acl {
 	spinlock_t		stats_lock;
 	/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
 	atomic_t		acl_pr_ref_count;
-	/* Used for MIB access */
-	atomic_t		mib_ref_count;
 	struct se_dev_entry	*device_list;
 	struct se_session	*nacl_sess;
 	struct se_portal_group *se_tpg;
@@ -595,8 +607,6 @@ struct se_node_acl {
 } ____cacheline_aligned;
 
 struct se_session {
-	/* Used for MIB access */
-	atomic_t		mib_ref_count;
 	u64			sess_bin_isid;
 	struct se_node_acl	*se_node_acl;
 	struct se_portal_group *se_tpg;
@@ -806,7 +816,6 @@ struct se_hba {
 	/* Virtual iSCSI devices attached. */
 	u32			dev_count;
 	u32			hba_index;
-	atomic_t		dev_mib_access_count;
 	atomic_t		load_balance_queue;
 	atomic_t		left_queue_depth;
 	/* Maximum queue depth the HBA can handle. */
@@ -845,6 +854,12 @@ struct se_lun {
 
 #define SE_LUN(c)		((struct se_lun *)(c)->se_lun)
 
+struct scsi_port_stats {
+       u64     cmd_pdus;
+       u64     tx_data_octets;
+       u64     rx_data_octets;
+} ____cacheline_aligned;
+
 struct se_port {
 	/* RELATIVE TARGET PORT IDENTIFER */
 	u16		sep_rtpi;
@@ -867,6 +882,7 @@ struct se_port {
 } ____cacheline_aligned;
 
 struct se_tpg_np {
+	struct se_portal_group *tpg_np_parent;
 	struct config_group	tpg_np_group;
 } ____cacheline_aligned;
 
diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h
index 66f44e56eb8..24694051157 100644
--- a/include/target/target_core_transport.h
+++ b/include/target/target_core_transport.h
@@ -111,6 +111,8 @@ struct se_subsystem_api;
 
 extern int init_se_global(void);
 extern void release_se_global(void);
+extern void init_scsi_index_table(void);
+extern u32 scsi_get_new_index(scsi_index_t);
 extern void transport_init_queue_obj(struct se_queue_obj *);
 extern int transport_subsystem_check_init(void);
 extern int transport_subsystem_register(struct se_subsystem_api *);