7 files changed, 36 insertions, 43 deletions

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 08a86d5cdf1b..9a061accd8b8 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 f0413845f20e..1956c8d46d32 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 c37e9241fae7..ed21bd3dbd25 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 fe235b65207e..e0cedfe9fad4 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 5d87bc09a1f5..dc18b87ed722 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/percpu.h b/include/linux/percpu.h
index 545b068bcb70..54a968b4b924 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -5,6 +5,7 @@
 #include <linux/slab.h> /* For kmalloc() */
 #include <linux/smp.h>
 #include <linux/cpumask.h>
+#include <linux/pfn.h>
 
 #include <asm/percpu.h>
 
@@ -52,17 +53,18 @@
 #define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var)
 #define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var)
 
-/* Enough to cover all DEFINE_PER_CPUs in kernel, including modules. */
-#ifndef PERCPU_ENOUGH_ROOM
+/* enough to cover all DEFINE_PER_CPUs in modules */
 #ifdef CONFIG_MODULES
-#define PERCPU_MODULE_RESERVE   8192
+#define PERCPU_MODULE_RESERVE           (8 << 10)
 #else
-#define PERCPU_MODULE_RESERVE   0
+#define PERCPU_MODULE_RESERVE           0
 #endif
 
+#ifndef PERCPU_ENOUGH_ROOM
 #define PERCPU_ENOUGH_ROOM                                              \
-        (__per_cpu_end - __per_cpu_start + PERCPU_MODULE_RESERVE)
-#endif  /* PERCPU_ENOUGH_ROOM */
+        (ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES) +      \
+         PERCPU_MODULE_RESERVE)
+#endif
 
 /*
  * Must be an lvalue. Since @var must be a simple identifier,
@@ -79,35 +81,24 @@
 #ifdef CONFIG_HAVE_DYNAMIC_PER_CPU_AREA
 
 /* minimum unit size, also is the maximum supported allocation size */
-#define PCPU_MIN_UNIT_SIZE              (16UL << PAGE_SHIFT)
+#define PCPU_MIN_UNIT_SIZE              PFN_ALIGN(64 << 10)
 
 /*
  * PERCPU_DYNAMIC_RESERVE indicates the amount of free area to piggy
- * back on the first chunk if arch is manually allocating and mapping
- * it for faster access (as a part of large page mapping for example).
- * Note that dynamic percpu allocator covers both static and dynamic
- * areas, so these values are bigger than PERCPU_MODULE_RESERVE.
+ * back on the first chunk for dynamic percpu allocation if arch is
+ * manually allocating and mapping it for faster access (as a part of
+ * large page mapping for example).
  *
- * On typical configuration with modules, the following values leave
- * about 8k of free space on the first chunk after boot on both x86_32
- * and 64 when module support is enabled.  When module support is
- * disabled, it's much tighter.
+ * The following values give between one and two pages of free space
+ * after typical minimal boot (2-way SMP, single disk and NIC) with
+ * both defconfig and a distro config on x86_64 and 32.  More
+ * intelligent way to determine this would be nice.
  */
-#ifndef PERCPU_DYNAMIC_RESERVE
-#  if BITS_PER_LONG > 32
-#    ifdef CONFIG_MODULES
-#      define PERCPU_DYNAMIC_RESERVE    (6 << PAGE_SHIFT)
-#    else
-#      define PERCPU_DYNAMIC_RESERVE    (4 << PAGE_SHIFT)
-#    endif
-#  else
-#    ifdef CONFIG_MODULES
-#      define PERCPU_DYNAMIC_RESERVE    (4 << PAGE_SHIFT)
-#    else
-#      define PERCPU_DYNAMIC_RESERVE    (2 << PAGE_SHIFT)
-#    endif
-#  endif
-#endif  /* PERCPU_DYNAMIC_RESERVE */
+#if BITS_PER_LONG > 32
+#define PERCPU_DYNAMIC_RESERVE          (20 << 10)
+#else
+#define PERCPU_DYNAMIC_RESERVE          (12 << 10)
+#endif
 
 extern void *pcpu_base_addr;
 
@@ -115,9 +106,10 @@ typedef struct page * (*pcpu_get_page_fn_t)(unsigned int cpu, int pageno);
 typedef void (*pcpu_populate_pte_fn_t)(unsigned long addr);
 
 extern size_t __init pcpu_setup_first_chunk(pcpu_get_page_fn_t get_page_fn,
-                                        size_t static_size, size_t unit_size,
-                                        size_t free_size, void *base_addr,
-                                        pcpu_populate_pte_fn_t populate_pte_fn);
+                                size_t static_size, size_t reserved_size,
+                                ssize_t unit_size, ssize_t dyn_size,
+                                void *base_addr,
+                                pcpu_populate_pte_fn_t populate_pte_fn);
 
 /*
  * Use this to get to a cpu's version of the per-cpu object
@@ -126,6 +118,8 @@ extern size_t __init pcpu_setup_first_chunk(pcpu_get_page_fn_t get_page_fn,
  */
 #define per_cpu_ptr(ptr, cpu)   SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu)))
 
+extern void *__alloc_reserved_percpu(size_t size, size_t align);
+
 #else /* CONFIG_HAVE_DYNAMIC_PER_CPU_AREA */
 
 struct percpu_data {
diff --git a/include/linux/serio.h b/include/linux/serio.h
index 1bcb357a01a1..e0417e4d3f15 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