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-rw-r--r--include/linux/ata.h2
-rw-r--r--include/linux/dmaengine.h7
-rw-r--r--include/linux/hdreg.h1
-rw-r--r--include/linux/ide.h1
-rw-r--r--include/linux/libata.h6
-rw-r--r--include/linux/rcuclassic.h6
-rw-r--r--include/linux/rcupdate.h4
-rw-r--r--include/linux/rcupreempt.h15
-rw-r--r--include/linux/rcutree.h6
-rw-r--r--include/linux/sched.h4
-rw-r--r--include/linux/serio.h2
11 files changed, 44 insertions, 10 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 08a86d5cdf1..9a061accd8b 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -89,6 +89,8 @@ enum {
ATA_ID_DLF = 128,
ATA_ID_CSFO = 129,
ATA_ID_CFA_POWER = 160,
+ ATA_ID_CFA_KEY_MGMT = 162,
+ ATA_ID_CFA_MODES = 163,
ATA_ID_ROT_SPEED = 217,
ATA_ID_PIO4 = (1 << 1),
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index f0413845f20..1956c8d46d3 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -97,7 +97,6 @@ typedef struct { DECLARE_BITMAP(bits, DMA_TX_TYPE_END); } dma_cap_mask_t;
/**
* struct dma_chan_percpu - the per-CPU part of struct dma_chan
- * @refcount: local_t used for open-coded "bigref" counting
* @memcpy_count: transaction counter
* @bytes_transferred: byte counter
*/
@@ -114,9 +113,6 @@ struct dma_chan_percpu {
* @cookie: last cookie value returned to client
* @chan_id: channel ID for sysfs
* @dev: class device for sysfs
- * @refcount: kref, used in "bigref" slow-mode
- * @slow_ref: indicates that the DMA channel is free
- * @rcu: the DMA channel's RCU head
* @device_node: used to add this to the device chan list
* @local: per-cpu pointer to a struct dma_chan_percpu
* @client-count: how many clients are using this channel
@@ -213,8 +209,6 @@ struct dma_async_tx_descriptor {
* @global_node: list_head for global dma_device_list
* @cap_mask: one or more dma_capability flags
* @max_xor: maximum number of xor sources, 0 if no capability
- * @refcount: reference count
- * @done: IO completion struct
* @dev_id: unique device ID
* @dev: struct device reference for dma mapping api
* @device_alloc_chan_resources: allocate resources and return the
@@ -227,6 +221,7 @@ struct dma_async_tx_descriptor {
* @device_prep_dma_interrupt: prepares an end of chain interrupt operation
* @device_prep_slave_sg: prepares a slave dma operation
* @device_terminate_all: terminate all pending operations
+ * @device_is_tx_complete: poll for transaction completion
* @device_issue_pending: push pending transactions to hardware
*/
struct dma_device {
diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h
index c37e9241fae..ed21bd3dbd2 100644
--- a/include/linux/hdreg.h
+++ b/include/linux/hdreg.h
@@ -511,7 +511,6 @@ struct hd_driveid {
unsigned short words69_70[2]; /* reserved words 69-70
* future command overlap and queuing
*/
- /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
unsigned short words71_74[4]; /* reserved words 71-74
* for IDENTIFY PACKET DEVICE command
*/
diff --git a/include/linux/ide.h b/include/linux/ide.h
index fe235b65207..e0cedfe9fad 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -866,6 +866,7 @@ struct ide_host {
unsigned int n_ports;
struct device *dev[2];
unsigned int (*init_chipset)(struct pci_dev *);
+ irq_handler_t irq_handler;
unsigned long host_flags;
void *host_priv;
ide_hwif_t *cur_port; /* for hosts requiring serialization */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 5d87bc09a1f..dc18b87ed72 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -275,7 +275,7 @@ enum {
* advised to wait only for the following duration before
* doing SRST.
*/
- ATA_TMOUT_PMP_SRST_WAIT = 1000,
+ ATA_TMOUT_PMP_SRST_WAIT = 5000,
/* ATA bus states */
BUS_UNKNOWN = 0,
@@ -530,6 +530,7 @@ struct ata_queued_cmd {
unsigned long flags; /* ATA_QCFLAG_xxx */
unsigned int tag;
unsigned int n_elem;
+ unsigned int orig_n_elem;
int dma_dir;
@@ -750,7 +751,8 @@ struct ata_port {
acpi_handle acpi_handle;
struct ata_acpi_gtm __acpi_init_gtm; /* use ata_acpi_init_gtm() */
#endif
- u8 sector_buf[ATA_SECT_SIZE]; /* owned by EH */
+ /* owned by EH */
+ u8 sector_buf[ATA_SECT_SIZE] ____cacheline_aligned;
};
/* The following initializer overrides a method to NULL whether one of
diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index f3f697df1d7..80044a4f3ab 100644
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -181,4 +181,10 @@ extern long rcu_batches_completed_bh(void);
#define rcu_enter_nohz() do { } while (0)
#define rcu_exit_nohz() do { } while (0)
+/* A context switch is a grace period for rcuclassic. */
+static inline int rcu_blocking_is_gp(void)
+{
+ return num_online_cpus() == 1;
+}
+
#endif /* __LINUX_RCUCLASSIC_H */
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 921340a7b71..528343e6da5 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -52,6 +52,9 @@ struct rcu_head {
void (*func)(struct rcu_head *head);
};
+/* Internal to kernel, but needed by rcupreempt.h. */
+extern int rcu_scheduler_active;
+
#if defined(CONFIG_CLASSIC_RCU)
#include <linux/rcuclassic.h>
#elif defined(CONFIG_TREE_RCU)
@@ -265,6 +268,7 @@ extern void rcu_barrier_sched(void);
/* Internal to kernel */
extern void rcu_init(void);
+extern void rcu_scheduler_starting(void);
extern int rcu_needs_cpu(int cpu);
#endif /* __LINUX_RCUPDATE_H */
diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h
index 3e05c09b54a..74304b4538d 100644
--- a/include/linux/rcupreempt.h
+++ b/include/linux/rcupreempt.h
@@ -142,4 +142,19 @@ static inline void rcu_exit_nohz(void)
#define rcu_exit_nohz() do { } while (0)
#endif /* CONFIG_NO_HZ */
+/*
+ * A context switch is a grace period for rcupreempt synchronize_rcu()
+ * only during early boot, before the scheduler has been initialized.
+ * So, how the heck do we get a context switch? Well, if the caller
+ * invokes synchronize_rcu(), they are willing to accept a context
+ * switch, so we simply pretend that one happened.
+ *
+ * After boot, there might be a blocked or preempted task in an RCU
+ * read-side critical section, so we cannot then take the fastpath.
+ */
+static inline int rcu_blocking_is_gp(void)
+{
+ return num_online_cpus() == 1 && !rcu_scheduler_active;
+}
+
#endif /* __LINUX_RCUPREEMPT_H */
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index d4368b7975c..a722fb67bb2 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -326,4 +326,10 @@ static inline void rcu_exit_nohz(void)
}
#endif /* CONFIG_NO_HZ */
+/* A context switch is a grace period for rcutree. */
+static inline int rcu_blocking_is_gp(void)
+{
+ return num_online_cpus() == 1;
+}
+
#endif /* __LINUX_RCUTREE_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index f0a50b20e8a..a7c7698583b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2303,9 +2303,13 @@ extern long sched_group_rt_runtime(struct task_group *tg);
extern int sched_group_set_rt_period(struct task_group *tg,
long rt_period_us);
extern long sched_group_rt_period(struct task_group *tg);
+extern int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk);
#endif
#endif
+extern int task_can_switch_user(struct user_struct *up,
+ struct task_struct *tsk);
+
#ifdef CONFIG_TASK_XACCT
static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
{
diff --git a/include/linux/serio.h b/include/linux/serio.h
index 1bcb357a01a..e0417e4d3f1 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -212,7 +212,7 @@ static inline void serio_unpin_driver(struct serio *serio)
#define SERIO_FUJITSU 0x35
#define SERIO_ZHENHUA 0x36
#define SERIO_INEXIO 0x37
-#define SERIO_TOUCHIT213 0x37
+#define SERIO_TOUCHIT213 0x38
#define SERIO_W8001 0x39
#endif