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-rw-r--r--include/acpi/acpiosxf.h4
-rw-r--r--include/asm-generic/4level-fixup.h4
-rw-r--r--include/asm-generic/pgtable-nopmd.h2
-rw-r--r--include/asm-generic/pgtable-nopud.h2
-rw-r--r--include/asm-generic/tlb.h12
-rw-r--r--include/asm-generic/vmlinux.lds.h19
-rw-r--r--include/drm/drm_pciids.h10
-rw-r--r--include/drm/radeon_drm.h23
-rw-r--r--include/drm/ttm/ttm_bo_driver.h20
-rw-r--r--include/drm/ttm/ttm_module.h2
-rw-r--r--include/linux/blkdev.h1
-rw-r--r--include/linux/cb710.h29
-rw-r--r--include/linux/cgroup.h28
-rw-r--r--include/linux/clocksource.h14
-rw-r--r--include/linux/decompress/generic.h32
-rw-r--r--include/linux/device-mapper.h4
-rw-r--r--include/linux/ext3_fs.h2
-rw-r--r--include/linux/flex_array.h47
-rw-r--r--include/linux/fs.h4
-rw-r--r--include/linux/fsnotify_backend.h2
-rw-r--r--include/linux/ftrace_event.h12
-rw-r--r--include/linux/inetdevice.h2
-rw-r--r--include/linux/input/matrix_keypad.h13
-rw-r--r--include/linux/interrupt.h28
-rw-r--r--include/linux/iocontext.h2
-rw-r--r--include/linux/kvm_host.h1
-rw-r--r--include/linux/lguest.h39
-rw-r--r--include/linux/lguest_launcher.h18
-rw-r--r--include/linux/libata.h1
-rw-r--r--include/linux/mtd/mtd.h2
-rw-r--r--include/linux/mtd/partitions.h2
-rw-r--r--include/linux/nodemask.h28
-rw-r--r--include/linux/of_mdio.h3
-rw-r--r--include/linux/perf_counter.h25
-rw-r--r--include/linux/pps.h2
-rw-r--r--include/linux/rfkill.h2
-rw-r--r--include/linux/scatterlist.h2
-rw-r--r--include/linux/sched.h3
-rw-r--r--include/linux/tty.h1
-rw-r--r--include/linux/tty_ldisc.h2
-rw-r--r--include/linux/uio.h17
-rw-r--r--include/linux/videodev2.h1
-rw-r--r--include/linux/virtio_blk.h6
-rw-r--r--include/linux/virtio_config.h3
-rw-r--r--include/linux/virtio_net.h6
-rw-r--r--include/linux/virtio_ring.h12
-rw-r--r--include/media/v4l2-chip-ident.h12
-rw-r--r--include/net/bluetooth/rfcomm.h12
-rw-r--r--include/net/cfg80211.h5
-rw-r--r--include/net/rose.h2
-rw-r--r--include/net/sock.h32
-rw-r--r--include/net/tcp.h5
-rw-r--r--include/trace/ftrace.h183
53 files changed, 559 insertions, 186 deletions
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 3e798593b17b..ab0b85cf21f3 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -242,6 +242,10 @@ acpi_os_derive_pci_id(acpi_handle rhandle,
acpi_status acpi_os_validate_interface(char *interface);
acpi_status acpi_osi_invalidate(char* interface);
+acpi_status
+acpi_os_validate_address(u8 space_id, acpi_physical_address address,
+ acpi_size length, char *name);
+
u64 acpi_os_get_timer(void);
acpi_status acpi_os_signal(u32 function, void *info);
diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h
index 9d40e879f99e..77ff547730af 100644
--- a/include/asm-generic/4level-fixup.h
+++ b/include/asm-generic/4level-fixup.h
@@ -27,9 +27,9 @@
#define pud_page_vaddr(pud) pgd_page_vaddr(pud)
#undef pud_free_tlb
-#define pud_free_tlb(tlb, x) do { } while (0)
+#define pud_free_tlb(tlb, x, addr) do { } while (0)
#define pud_free(mm, x) do { } while (0)
-#define __pud_free_tlb(tlb, x) do { } while (0)
+#define __pud_free_tlb(tlb, x, addr) do { } while (0)
#undef pud_addr_end
#define pud_addr_end(addr, end) (end)
diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h
index a7cdc48e8b78..725612b793ce 100644
--- a/include/asm-generic/pgtable-nopmd.h
+++ b/include/asm-generic/pgtable-nopmd.h
@@ -59,7 +59,7 @@ static inline pmd_t * pmd_offset(pud_t * pud, unsigned long address)
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
}
-#define __pmd_free_tlb(tlb, x) do { } while (0)
+#define __pmd_free_tlb(tlb, x, a) do { } while (0)
#undef pmd_addr_end
#define pmd_addr_end(addr, end) (end)
diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h
index 87cf449a6df3..810431d8351b 100644
--- a/include/asm-generic/pgtable-nopud.h
+++ b/include/asm-generic/pgtable-nopud.h
@@ -52,7 +52,7 @@ static inline pud_t * pud_offset(pgd_t * pgd, unsigned long address)
*/
#define pud_alloc_one(mm, address) NULL
#define pud_free(mm, x) do { } while (0)
-#define __pud_free_tlb(tlb, x) do { } while (0)
+#define __pud_free_tlb(tlb, x, a) do { } while (0)
#undef pud_addr_end
#define pud_addr_end(addr, end) (end)
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index f490e43a90b9..e43f9766259f 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -123,24 +123,24 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
__tlb_remove_tlb_entry(tlb, ptep, address); \
} while (0)
-#define pte_free_tlb(tlb, ptep) \
+#define pte_free_tlb(tlb, ptep, address) \
do { \
tlb->need_flush = 1; \
- __pte_free_tlb(tlb, ptep); \
+ __pte_free_tlb(tlb, ptep, address); \
} while (0)
#ifndef __ARCH_HAS_4LEVEL_HACK
-#define pud_free_tlb(tlb, pudp) \
+#define pud_free_tlb(tlb, pudp, address) \
do { \
tlb->need_flush = 1; \
- __pud_free_tlb(tlb, pudp); \
+ __pud_free_tlb(tlb, pudp, address); \
} while (0)
#endif
-#define pmd_free_tlb(tlb, pmdp) \
+#define pmd_free_tlb(tlb, pmdp, address) \
do { \
tlb->need_flush = 1; \
- __pmd_free_tlb(tlb, pmdp); \
+ __pmd_free_tlb(tlb, pmdp, address); \
} while (0)
#define tlb_migrate_finish(mm) do {} while (0)
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index a553f1041cf1..6ad76bf5fb40 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -30,9 +30,7 @@
* EXCEPTION_TABLE(...)
* NOTES
*
- * __bss_start = .;
- * BSS_SECTION(0, 0)
- * __bss_stop = .;
+ * BSS_SECTION(0, 0, 0)
* _end = .;
*
* /DISCARD/ : {
@@ -489,7 +487,8 @@
* bss (Block Started by Symbol) - uninitialized data
* zeroed during startup
*/
-#define SBSS \
+#define SBSS(sbss_align) \
+ . = ALIGN(sbss_align); \
.sbss : AT(ADDR(.sbss) - LOAD_OFFSET) { \
*(.sbss) \
*(.scommon) \
@@ -498,12 +497,10 @@
#define BSS(bss_align) \
. = ALIGN(bss_align); \
.bss : AT(ADDR(.bss) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__bss_start) = .; \
*(.bss.page_aligned) \
*(.dynbss) \
*(.bss) \
*(COMMON) \
- VMLINUX_SYMBOL(__bss_stop) = .; \
}
/*
@@ -735,8 +732,10 @@
INIT_RAM_FS \
}
-#define BSS_SECTION(sbss_align, bss_align) \
- SBSS \
+#define BSS_SECTION(sbss_align, bss_align, stop_align) \
+ . = ALIGN(sbss_align); \
+ VMLINUX_SYMBOL(__bss_start) = .; \
+ SBSS(sbss_align) \
BSS(bss_align) \
- . = ALIGN(4);
-
+ . = ALIGN(stop_align); \
+ VMLINUX_SYMBOL(__bss_stop) = .;
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 7174818c2c13..853508499d20 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -257,9 +257,12 @@
{0x1002, 0x940F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R600|RADEON_NEW_MEMMAP}, \
{0x1002, 0x94A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x94A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x94A3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x94B1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \
{0x1002, 0x94B3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x94B4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \
{0x1002, 0x94B5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x94B9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9440, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9441, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9442, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \
@@ -288,6 +291,7 @@
{0x1002, 0x948F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV730|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9490, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV730|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9491, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV730|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x9495, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV730|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9498, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV730|RADEON_NEW_MEMMAP}, \
{0x1002, 0x949C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV730|RADEON_NEW_MEMMAP}, \
{0x1002, 0x949E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV730|RADEON_NEW_MEMMAP}, \
@@ -325,6 +329,7 @@
{0x1002, 0x9552, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV710|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9553, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV710|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9555, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV710|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x9557, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV710|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9580, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV630|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9581, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV630|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x9583, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV630|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -365,6 +370,11 @@
{0x1002, 0x9614, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS780|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x9615, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS780|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x9616, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS780|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x9710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x9711, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x9712, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x9713, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x9714, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0, 0, 0}
#define r128_PCI_IDS \
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index 41862e9a4c20..af4b4826997e 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -506,6 +506,8 @@ typedef struct {
#define DRM_RADEON_GEM_WAIT_IDLE 0x24
#define DRM_RADEON_CS 0x26
#define DRM_RADEON_INFO 0x27
+#define DRM_RADEON_GEM_SET_TILING 0x28
+#define DRM_RADEON_GEM_GET_TILING 0x29
#define DRM_IOCTL_RADEON_CP_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_INIT, drm_radeon_init_t)
#define DRM_IOCTL_RADEON_CP_START DRM_IO( DRM_COMMAND_BASE + DRM_RADEON_CP_START)
@@ -544,7 +546,8 @@ typedef struct {
#define DRM_IOCTL_RADEON_GEM_WAIT_IDLE DRM_IOW(DRM_COMMAND_BASE + DRM_RADEON_GEM_WAIT_IDLE, struct drm_radeon_gem_wait_idle)
#define DRM_IOCTL_RADEON_CS DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_CS, struct drm_radeon_cs)
#define DRM_IOCTL_RADEON_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INFO, struct drm_radeon_info)
-
+#define DRM_IOCTL_RADEON_SET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_SET_TILING, struct drm_radeon_gem_set_tiling)
+#define DRM_IOCTL_RADEON_GET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_GET_TILING, struct drm_radeon_gem_get_tiling)
typedef struct drm_radeon_init {
enum {
@@ -796,6 +799,24 @@ struct drm_radeon_gem_create {
uint32_t flags;
};
+#define RADEON_TILING_MACRO 0x1
+#define RADEON_TILING_MICRO 0x2
+#define RADEON_TILING_SWAP 0x4
+#define RADEON_TILING_SURFACE 0x8 /* this object requires a surface
+ * when mapped - i.e. front buffer */
+
+struct drm_radeon_gem_set_tiling {
+ uint32_t handle;
+ uint32_t tiling_flags;
+ uint32_t pitch;
+};
+
+struct drm_radeon_gem_get_tiling {
+ uint32_t handle;
+ uint32_t tiling_flags;
+ uint32_t pitch;
+};
+
struct drm_radeon_gem_mmap {
uint32_t handle;
uint32_t pad;
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 62ed733c52a2..a68829db381a 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -121,6 +121,7 @@ struct ttm_backend {
#define TTM_PAGE_FLAG_SWAPPED (1 << 4)
#define TTM_PAGE_FLAG_PERSISTANT_SWAP (1 << 5)
#define TTM_PAGE_FLAG_ZERO_ALLOC (1 << 6)
+#define TTM_PAGE_FLAG_DMA32 (1 << 7)
enum ttm_caching_state {
tt_uncached,
@@ -353,6 +354,14 @@ struct ttm_bo_driver {
int (*sync_obj_flush) (void *sync_obj, void *sync_arg);
void (*sync_obj_unref) (void **sync_obj);
void *(*sync_obj_ref) (void *sync_obj);
+
+ /* hook to notify driver about a driver move so it
+ * can do tiling things */
+ void (*move_notify)(struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *new_mem);
+ /* notify the driver we are taking a fault on this BO
+ * and have reserved it */
+ void (*fault_reserve_notify)(struct ttm_buffer_object *bo);
};
#define TTM_NUM_MEM_TYPES 8
@@ -429,6 +438,8 @@ struct ttm_bo_device {
*/
struct delayed_work wq;
+
+ bool need_dma32;
};
/**
@@ -648,7 +659,14 @@ extern int ttm_bo_device_release(struct ttm_bo_device *bdev);
extern int ttm_bo_device_init(struct ttm_bo_device *bdev,
struct ttm_mem_global *mem_glob,
struct ttm_bo_driver *driver,
- uint64_t file_page_offset);
+ uint64_t file_page_offset, bool need_dma32);
+
+/**
+ * ttm_bo_unmap_virtual
+ *
+ * @bo: tear down the virtual mappings for this BO
+ */
+extern void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo);
/**
* ttm_bo_reserve:
diff --git a/include/drm/ttm/ttm_module.h b/include/drm/ttm/ttm_module.h
index 889a4c7958ae..d1d433834e4f 100644
--- a/include/drm/ttm/ttm_module.h
+++ b/include/drm/ttm/ttm_module.h
@@ -33,7 +33,7 @@
#include <linux/kernel.h>
-#define TTM_PFX "[TTM]"
+#define TTM_PFX "[TTM] "
enum ttm_global_types {
TTM_GLOBAL_TTM_MEM = 0,
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index e7cb5dbf6c26..69103e053c92 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -913,6 +913,7 @@ extern void blk_queue_logical_block_size(struct request_queue *, unsigned short)
extern void blk_queue_physical_block_size(struct request_queue *, unsigned short);
extern void blk_queue_alignment_offset(struct request_queue *q,
unsigned int alignment);
+extern void blk_limits_io_min(struct queue_limits *limits, unsigned int min);
extern void blk_queue_io_min(struct request_queue *q, unsigned int min);
extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt);
extern void blk_set_default_limits(struct queue_limits *lim);
diff --git a/include/linux/cb710.h b/include/linux/cb710.h
index 63bc9a4d2926..8cc10411bab2 100644
--- a/include/linux/cb710.h
+++ b/include/linux/cb710.h
@@ -140,29 +140,6 @@ void cb710_dump_regs(struct cb710_chip *chip, unsigned dump);
#include <linux/highmem.h>
#include <linux/scatterlist.h>
-/**
- * cb710_sg_miter_stop_writing - stop mapping iteration after writing
- * @miter: sg mapping iter to be stopped
- *
- * Description:
- * Stops mapping iterator @miter. @miter should have been started
- * started using sg_miter_start(). A stopped iteration can be
- * resumed by calling sg_miter_next() on it. This is useful when
- * resources (kmap) need to be released during iteration.
- *
- * This is a convenience wrapper that will be optimized out for arches
- * that don't need flush_kernel_dcache_page().
- *
- * Context:
- * IRQ disabled if the SG_MITER_ATOMIC is set. Don't care otherwise.
- */
-static inline void cb710_sg_miter_stop_writing(struct sg_mapping_iter *miter)
-{
- if (miter->page)
- flush_kernel_dcache_page(miter->page);
- sg_miter_stop(miter);
-}
-
/*
* 32-bit PIO mapping sg iterator
*
@@ -171,12 +148,12 @@ static inline void cb710_sg_miter_stop_writing(struct sg_mapping_iter *miter)
* without DMA support).
*
* Best-case reading (transfer from device):
- * sg_miter_start();
+ * sg_miter_start(, SG_MITER_TO_SG);
* cb710_sg_dwiter_write_from_io();
- * cb710_sg_miter_stop_writing();
+ * sg_miter_stop();
*
* Best-case writing (transfer to device):
- * sg_miter_start();
+ * sg_miter_start(, SG_MITER_FROM_SG);
* cb710_sg_dwiter_read_to_io();
* sg_miter_stop();
*/
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 665fa70e4094..90bba9e62286 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -179,14 +179,11 @@ struct cgroup {
*/
struct list_head release_list;
- /* pids_mutex protects the fields below */
+ /* pids_mutex protects pids_list and cached pid arrays. */
struct rw_semaphore pids_mutex;
- /* Array of process ids in the cgroup */
- pid_t *tasks_pids;
- /* How many files are using the current tasks_pids array */
- int pids_use_count;
- /* Length of the current tasks_pids array */
- int pids_length;
+
+ /* Linked list of struct cgroup_pids */
+ struct list_head pids_list;
/* For RCU-protected deletion */
struct rcu_head rcu_head;
@@ -366,6 +363,23 @@ int cgroup_task_count(const struct cgroup *cgrp);
int cgroup_is_descendant(const struct cgroup *cgrp, struct task_struct *task);
/*
+ * When the subsys has to access css and may add permanent refcnt to css,
+ * it should take care of racy conditions with rmdir(). Following set of
+ * functions, is for stop/restart rmdir if necessary.
+ * Because these will call css_get/put, "css" should be alive css.
+ *
+ * cgroup_exclude_rmdir();
+ * ...do some jobs which may access arbitrary empty cgroup
+ * cgroup_release_and_wakeup_rmdir();
+ *
+ * When someone removes a cgroup while cgroup_exclude_rmdir() holds it,
+ * it sleeps and cgroup_release_and_wakeup_rmdir() will wake him up.
+ */
+
+void cgroup_exclude_rmdir(struct cgroup_subsys_state *css);
+void cgroup_release_and_wakeup_rmdir(struct cgroup_subsys_state *css);
+
+/*
* Control Group subsystem type.
* See Documentation/cgroups/cgroups.txt for details
*/
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index c56457c8334e..1219be4fb42e 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -293,7 +293,12 @@ static inline int clocksource_enable(struct clocksource *cs)
if (cs->enable)
ret = cs->enable(cs);
- /* save mult_orig on enable */
+ /*
+ * The frequency may have changed while the clocksource
+ * was disabled. If so the code in ->enable() must update
+ * the mult value to reflect the new frequency. Make sure
+ * mult_orig follows this change.
+ */
cs->mult_orig = cs->mult;
return ret;
@@ -309,6 +314,13 @@ static inline int clocksource_enable(struct clocksource *cs)
*/
static inline void clocksource_disable(struct clocksource *cs)
{
+ /*
+ * Save mult_orig in mult so clocksource_enable() can
+ * restore the value regardless if ->enable() updates
+ * the value of mult or not.
+ */
+ cs->mult = cs->mult_orig;
+
if (cs->disable)
cs->disable(cs);
}
diff --git a/include/linux/decompress/generic.h b/include/linux/decompress/generic.h
index 6dfb856327bb..0c7111a55a1a 100644
--- a/include/linux/decompress/generic.h
+++ b/include/linux/decompress/generic.h
@@ -1,31 +1,37 @@
#ifndef DECOMPRESS_GENERIC_H
#define DECOMPRESS_GENERIC_H
-/* Minimal chunksize to be read.
- *Bzip2 prefers at least 4096
- *Lzma prefers 0x10000 */
-#define COMPR_IOBUF_SIZE 4096
-
typedef int (*decompress_fn) (unsigned char *inbuf, int len,
int(*fill)(void*, unsigned int),
- int(*writebb)(void*, unsigned int),
- unsigned char *output,
+ int(*flush)(void*, unsigned int),
+ unsigned char *outbuf,
int *posp,
void(*error)(char *x));
/* inbuf - input buffer
*len - len of pre-read data in inbuf
- *fill - function to fill inbuf if empty
- *writebb - function to write out outbug
+ *fill - function to fill inbuf when empty
+ *flush - function to write out outbuf
+ *outbuf - output buffer
*posp - if non-null, input position (number of bytes read) will be
* returned here
*
- *If len != 0, the inbuf is initialized (with as much data), and fill
- *should not be called
- *If len = 0, the inbuf is allocated, but empty. Its size is IOBUF_SIZE
- *fill should be called (repeatedly...) to read data, at most IOBUF_SIZE
+ *If len != 0, inbuf should contain all the necessary input data, and fill
+ *should be NULL
+ *If len = 0, inbuf can be NULL, in which case the decompressor will allocate
+ *the input buffer. If inbuf != NULL it must be at least XXX_IOBUF_SIZE bytes.
+ *fill will be called (repeatedly...) to read data, at most XXX_IOBUF_SIZE
+ *bytes should be read per call. Replace XXX with the appropriate decompressor
+ *name, i.e. LZMA_IOBUF_SIZE.
+ *
+ *If flush = NULL, outbuf must be large enough to buffer all the expected
+ *output. If flush != NULL, the output buffer will be allocated by the
+ *decompressor (outbuf = NULL), and the flush function will be called to
+ *flush the output buffer at the appropriate time (decompressor and stream
+ *dependent).
*/
+
/* Utility routine to detect the decompression method */
decompress_fn decompress_method(const unsigned char *inbuf, int len,
const char **name);
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 0d6310657f32..655e7721580a 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -84,7 +84,7 @@ typedef int (*dm_merge_fn) (struct dm_target *ti, struct bvec_merge_data *bvm,
typedef int (*iterate_devices_callout_fn) (struct dm_target *ti,
struct dm_dev *dev,
- sector_t physical_start,
+ sector_t start, sector_t len,
void *data);
typedef int (*dm_iterate_devices_fn) (struct dm_target *ti,
@@ -104,7 +104,7 @@ void dm_error(const char *message);
* Combine device limits.
*/
int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
- sector_t start, void *data);
+ sector_t start, sector_t len, void *data);
struct dm_dev {
struct block_device *bdev;
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 634a5e5aba3e..7499b3667798 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -874,7 +874,7 @@ struct buffer_head * ext3_getblk (handle_t *, struct inode *, long, int, int *);
struct buffer_head * ext3_bread (handle_t *, struct inode *, int, int, int *);
int ext3_get_blocks_handle(handle_t *handle, struct inode *inode,
sector_t iblock, unsigned long maxblocks, struct buffer_head *bh_result,
- int create, int extend_disksize);
+ int create);
extern struct inode *ext3_iget(struct super_block *, unsigned long);
extern int ext3_write_inode (struct inode *, int);
diff --git a/include/linux/flex_array.h b/include/linux/flex_array.h
new file mode 100644
index 000000000000..23c1ec79a31b
--- /dev/null
+++ b/include/linux/flex_array.h
@@ -0,0 +1,47 @@
+#ifndef _FLEX_ARRAY_H
+#define _FLEX_ARRAY_H
+
+#include <linux/types.h>
+#include <asm/page.h>
+
+#define FLEX_ARRAY_PART_SIZE PAGE_SIZE
+#define FLEX_ARRAY_BASE_SIZE PAGE_SIZE
+
+struct flex_array_part;
+
+/*
+ * This is meant to replace cases where an array-like
+ * structure has gotten too big to fit into kmalloc()
+ * and the developer is getting tempted to use
+ * vmalloc().
+ */
+
+struct flex_array {
+ union {
+ struct {
+ int element_size;
+ int total_nr_elements;
+ struct flex_array_part *parts[0];
+ };
+ /*
+ * This little trick makes sure that
+ * sizeof(flex_array) == PAGE_SIZE
+ */
+ char padding[FLEX_ARRAY_BASE_SIZE];
+ };
+};
+
+#define FLEX_ARRAY_INIT(size, total) { { {\
+ .element_size = (size), \
+ .total_nr_elements = (total), \
+} } }
+
+struct flex_array *flex_array_alloc(int element_size, int total, gfp_t flags);
+int flex_array_prealloc(struct flex_array *fa, int start, int end, gfp_t flags);
+void flex_array_free(struct flex_array *fa);
+void flex_array_free_parts(struct flex_array *fa);
+int flex_array_put(struct flex_array *fa, int element_nr, void *src,
+ gfp_t flags);
+void *flex_array_get(struct flex_array *fa, int element_nr);
+
+#endif /* _FLEX_ARRAY_H */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0872372184fe..67888a9e0655 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1946,6 +1946,7 @@ extern void putname(const char *name);
extern int register_blkdev(unsigned int, const char *);
extern void unregister_blkdev(unsigned int, const char *);
extern struct block_device *bdget(dev_t);
+extern struct block_device *bdgrab(struct block_device *bdev);
extern void bd_set_size(struct block_device *, loff_t size);
extern void bd_forget(struct inode *inode);
extern void bdput(struct block_device *);
@@ -2136,7 +2137,7 @@ extern loff_t default_llseek(struct file *file, loff_t offset, int origin);
extern loff_t vfs_llseek(struct file *file, loff_t offset, int origin);
-extern struct inode * inode_init_always(struct super_block *, struct inode *);
+extern int inode_init_always(struct super_block *, struct inode *);
extern void inode_init_once(struct inode *);
extern void inode_add_to_lists(struct super_block *, struct inode *);
extern void iput(struct inode *);
@@ -2163,6 +2164,7 @@ extern void __iget(struct inode * inode);
extern void iget_failed(struct inode *);
extern void clear_inode(struct inode *);
extern void destroy_inode(struct inode *);
+extern void __destroy_inode(struct inode *);
extern struct inode *new_inode(struct super_block *);
extern int should_remove_suid(struct dentry *);
extern int file_remove_suid(struct file *);
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 6c3de999fb34..4d6f47b51189 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -352,7 +352,7 @@ extern void fsnotify_unmount_inodes(struct list_head *list);
/* put here because inotify does some weird stuff when destroying watches */
extern struct fsnotify_event *fsnotify_create_event(struct inode *to_tell, __u32 mask,
void *data, int data_is, const char *name,
- u32 cookie);
+ u32 cookie, gfp_t gfp);
#else
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 26d3673d5143..ac8c6f8cf242 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -89,7 +89,9 @@ enum print_line_t {
TRACE_TYPE_NO_CONSUME = 3 /* Handled but ask to not consume */
};
-
+void tracing_generic_entry_update(struct trace_entry *entry,
+ unsigned long flags,
+ int pc);
struct ring_buffer_event *
trace_current_buffer_lock_reserve(int type, unsigned long len,
unsigned long flags, int pc);
@@ -121,11 +123,9 @@ struct ftrace_event_call {
struct event_filter *filter;
void *mod;
-#ifdef CONFIG_EVENT_PROFILE
- atomic_t profile_count;
- int (*profile_enable)(struct ftrace_event_call *);
- void (*profile_disable)(struct ftrace_event_call *);
-#endif
+ atomic_t profile_count;
+ int (*profile_enable)(struct ftrace_event_call *);
+ void (*profile_disable)(struct ftrace_event_call *);
};
#define MAX_FILTER_PRED 32
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index acef2a770b6b..ad27c7da8798 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -82,7 +82,7 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev)
#define IN_DEV_FORWARD(in_dev) IN_DEV_CONF_GET((in_dev), FORWARDING)
#define IN_DEV_MFORWARD(in_dev) IN_DEV_ANDCONF((in_dev), MC_FORWARDING)
-#define IN_DEV_RPFILTER(in_dev) IN_DEV_ANDCONF((in_dev), RP_FILTER)
+#define IN_DEV_RPFILTER(in_dev) IN_DEV_MAXCONF((in_dev), RP_FILTER)
#define IN_DEV_SOURCE_ROUTE(in_dev) IN_DEV_ANDCONF((in_dev), \
ACCEPT_SOURCE_ROUTE)
#define IN_DEV_BOOTP_RELAY(in_dev) IN_DEV_ANDCONF((in_dev), BOOTP_RELAY)
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index 7964516c6954..15d5903af2dd 100644
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -15,12 +15,13 @@
#define KEY_COL(k) (((k) >> 16) & 0xff)
#define KEY_VAL(k) ((k) & 0xffff)
+#define MATRIX_SCAN_CODE(row, col, row_shift) (((row) << (row_shift)) + (col))
+
/**
* struct matrix_keymap_data - keymap for matrix keyboards
* @keymap: pointer to array of uint32 values encoded with KEY() macro
* representing keymap
* @keymap_size: number of entries (initialized) in this keymap
- * @max_keymap_size: maximum size of keymap supported by the device
*
* This structure is supposed to be used by platform code to supply
* keymaps to drivers that implement matrix-like keypads/keyboards.
@@ -28,14 +29,13 @@
struct matrix_keymap_data {
const uint32_t *keymap;
unsigned int keymap_size;
- unsigned int max_keymap_size;
};
/**
* struct matrix_keypad_platform_data - platform-dependent keypad data
* @keymap_data: pointer to &matrix_keymap_data
- * @row_gpios: array of gpio numbers reporesenting rows
- * @col_gpios: array of gpio numbers reporesenting colums
+ * @row_gpios: pointer to array of gpio numbers representing rows
+ * @col_gpios: pointer to array of gpio numbers reporesenting colums
* @num_row_gpios: actual number of row gpios used by device
* @num_col_gpios: actual number of col gpios used by device
* @col_scan_delay_us: delay, measured in microseconds, that is
@@ -48,8 +48,9 @@ struct matrix_keymap_data {
struct matrix_keypad_platform_data {
const struct matrix_keymap_data *keymap_data;
- unsigned int row_gpios[MATRIX_MAX_ROWS];
- unsigned int col_gpios[MATRIX_MAX_COLS];
+ const unsigned int *row_gpios;
+ const unsigned int *col_gpios;
+
unsigned int num_row_gpios;
unsigned int num_col_gpios;
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 2721f07e9354..35e7df1e9f30 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -14,6 +14,7 @@
#include <linux/irqflags.h>
#include <linux/smp.h>
#include <linux/percpu.h>
+#include <linux/hrtimer.h>
#include <asm/atomic.h>
#include <asm/ptrace.h>
@@ -64,11 +65,13 @@
* IRQTF_RUNTHREAD - signals that the interrupt handler thread should run
* IRQTF_DIED - handler thread died
* IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed
+ * IRQTF_AFFINITY - irq thread is requested to adjust affinity
*/
enum {
IRQTF_RUNTHREAD,
IRQTF_DIED,
IRQTF_WARNED,
+ IRQTF_AFFINITY,
};
typedef irqreturn_t (*irq_handler_t)(int, void *);
@@ -517,6 +520,31 @@ extern void tasklet_kill_immediate(struct tasklet_struct *t, unsigned int cpu);
extern void tasklet_init(struct tasklet_struct *t,
void (*func)(unsigned long), unsigned long data);
+struct tasklet_hrtimer {
+ struct hrtimer timer;
+ struct tasklet_struct tasklet;
+ enum hrtimer_restart (*function)(struct hrtimer *);
+};
+
+extern void
+tasklet_hrtimer_init(struct tasklet_hrtimer *ttimer,
+ enum hrtimer_restart (*function)(struct hrtimer *),
+ clockid_t which_clock, enum hrtimer_mode mode);
+
+static inline
+int tasklet_hrtimer_start(struct tasklet_hrtimer *ttimer, ktime_t time,
+ const enum hrtimer_mode mode)
+{
+ return hrtimer_start(&ttimer->timer, time, mode);
+}
+
+static inline
+void tasklet_hrtimer_cancel(struct tasklet_hrtimer *ttimer)
+{
+ hrtimer_cancel(&ttimer->timer);
+ tasklet_kill(&ttimer->tasklet);
+}
+
/*
* Autoprobing for irqs:
*
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index dd05434fa45f..4da4a75c3f1e 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -92,7 +92,7 @@ static inline struct io_context *ioc_task_link(struct io_context *ioc)
* a race).
*/
if (ioc && atomic_long_inc_not_zero(&ioc->refcount)) {
- atomic_long_inc(&ioc->refcount);
+ atomic_inc(&ioc->nr_tasks);
return ioc;
}
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 16713dc672e4..3060bdc35ffe 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -110,6 +110,7 @@ struct kvm_memory_slot {
struct kvm_kernel_irq_routing_entry {
u32 gsi;
+ u32 type;
int (*set)(struct kvm_kernel_irq_routing_entry *e,
struct kvm *kvm, int level);
union {
diff --git a/include/linux/lguest.h b/include/linux/lguest.h
index dbf2479e808e..2fb1dcbcb5aa 100644
--- a/include/linux/lguest.h
+++ b/include/linux/lguest.h
@@ -1,5 +1,7 @@
-/* Things the lguest guest needs to know. Note: like all lguest interfaces,
- * this is subject to wild and random change between versions. */
+/*
+ * Things the lguest guest needs to know. Note: like all lguest interfaces,
+ * this is subject to wild and random change between versions.
+ */
#ifndef _LINUX_LGUEST_H
#define _LINUX_LGUEST_H
@@ -11,32 +13,41 @@
#define LG_CLOCK_MIN_DELTA 100UL
#define LG_CLOCK_MAX_DELTA ULONG_MAX
-/*G:031 The second method of communicating with the Host is to via "struct
+/*G:031
+ * The second method of communicating with the Host is to via "struct
* lguest_data". Once the Guest's initialization hypercall tells the Host where
- * this is, the Guest and Host both publish information in it. :*/
-struct lguest_data
-{
- /* 512 == enabled (same as eflags in normal hardware). The Guest
- * changes interrupts so often that a hypercall is too slow. */
+ * this is, the Guest and Host both publish information in it.
+:*/
+struct lguest_data {
+ /*
+ * 512 == enabled (same as eflags in normal hardware). The Guest
+ * changes interrupts so often that a hypercall is too slow.
+ */
unsigned int irq_enabled;
/* Fine-grained interrupt disabling by the Guest */
DECLARE_BITMAP(blocked_interrupts, LGUEST_IRQS);
- /* The Host writes the virtual address of the last page fault here,
+ /*
+ * The Host writes the virtual address of the last page fault here,
* which saves the Guest a hypercall. CR2 is the native register where
- * this address would normally be found. */
+ * this address would normally be found.
+ */
unsigned long cr2;
/* Wallclock time set by the Host. */
struct timespec time;
- /* Interrupt pending set by the Host. The Guest should do a hypercall
- * if it re-enables interrupts and sees this set (to X86_EFLAGS_IF). */
+ /*
+ * Interrupt pending set by the Host. The Guest should do a hypercall
+ * if it re-enables interrupts and sees this set (to X86_EFLAGS_IF).
+ */
int irq_pending;
- /* Async hypercall ring. Instead of directly making hypercalls, we can
+ /*
+ * Async hypercall ring. Instead of directly making hypercalls, we can
* place them in here for processing the next time the Host wants.
- * This batching can be quite efficient. */
+ * This batching can be quite efficient.
+ */
/* 0xFF == done (set by Host), 0 == pending (set by Guest). */
u8 hcall_status[LHCALL_RING_SIZE];
diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h
index bfefbdf7498a..495203ff221c 100644
--- a/include/linux/lguest_launcher.h
+++ b/include/linux/lguest_launcher.h
@@ -29,8 +29,10 @@ struct lguest_device_desc {
__u8 type;
/* The number of virtqueues (first in config array) */
__u8 num_vq;
- /* The number of bytes of feature bits. Multiply by 2: one for host
- * features and one for Guest acknowledgements. */
+ /*
+ * The number of bytes of feature bits. Multiply by 2: one for host
+ * features and one for Guest acknowledgements.
+ */
__u8 feature_len;
/* The number of bytes of the config array after virtqueues. */
__u8 config_len;
@@ -39,8 +41,10 @@ struct lguest_device_desc {
__u8 config[0];
};
-/*D:135 This is how we expect the device configuration field for a virtqueue
- * to be laid out in config space. */
+/*D:135
+ * This is how we expect the device configuration field for a virtqueue
+ * to be laid out in config space.
+ */
struct lguest_vqconfig {
/* The number of entries in the virtio_ring */
__u16 num;
@@ -61,7 +65,9 @@ enum lguest_req
LHREQ_EVENTFD, /* + address, fd. */
};
-/* The alignment to use between consumer and producer parts of vring.
- * x86 pagesize for historical reasons. */
+/*
+ * The alignment to use between consumer and producer parts of vring.
+ * x86 pagesize for historical reasons.
+ */
#define LGUEST_VRING_ALIGN 4096
#endif /* _LINUX_LGUEST_LAUNCHER */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 79b6d7fd4ac2..e5b6e33c6571 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -589,6 +589,7 @@ struct ata_device {
#endif
/* n_sector is CLEAR_BEGIN, read comment above CLEAR_BEGIN */
u64 n_sectors; /* size of device, if ATA */
+ u64 n_native_sectors; /* native size, if ATA */
unsigned int class; /* ATA_DEV_xxx */
unsigned long unpark_deadline;
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 5675b63a0631..0f32a9b6ff55 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -251,7 +251,7 @@ struct mtd_info {
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
- return dev ? container_of(dev, struct mtd_info, dev) : NULL;
+ return dev ? dev_get_drvdata(dev) : NULL;
}
static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd)
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
index af6dcb992bc3..b70313d33ff8 100644
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -47,6 +47,8 @@ struct mtd_partition {
#define MTDPART_SIZ_FULL (0)
+struct mtd_info;
+
int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
int del_mtd_partitions(struct mtd_info *);
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index 829b94b156f2..b359c4a9ec9e 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -82,6 +82,12 @@
* to generate slightly worse code. So use a simple one-line #define
* for node_isset(), instead of wrapping an inline inside a macro, the
* way we do the other calls.
+ *
+ * NODEMASK_SCRATCH
+ * When doing above logical AND, OR, XOR, Remap operations the callers tend to
+ * need temporary nodemask_t's on the stack. But if NODES_SHIFT is large,
+ * nodemask_t's consume too much stack space. NODEMASK_SCRATCH is a helper
+ * for such situations. See below and CPUMASK_ALLOC also.
*/
#include <linux/kernel.h>
@@ -473,4 +479,26 @@ static inline int num_node_state(enum node_states state)
#define for_each_node(node) for_each_node_state(node, N_POSSIBLE)
#define for_each_online_node(node) for_each_node_state(node, N_ONLINE)
+/*
+ * For nodemask scrach area.(See CPUMASK_ALLOC() in cpumask.h)
+ */
+
+#if NODES_SHIFT > 8 /* nodemask_t > 64 bytes */
+#define NODEMASK_ALLOC(x, m) struct x *m = kmalloc(sizeof(*m), GFP_KERNEL)
+#define NODEMASK_FREE(m) kfree(m)
+#else
+#define NODEMASK_ALLOC(x, m) struct x _m, *m = &_m
+#define NODEMASK_FREE(m)
+#endif
+
+/* A example struture for using NODEMASK_ALLOC, used in mempolicy. */
+struct nodemask_scratch {
+ nodemask_t mask1;
+ nodemask_t mask2;
+};
+
+#define NODEMASK_SCRATCH(x) NODEMASK_ALLOC(nodemask_scratch, x)
+#define NODEMASK_SCRATCH_FREE(x) NODEMASK_FREE(x)
+
+
#endif /* __LINUX_NODEMASK_H */
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index c9663c690303..53b94e025c7c 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -18,5 +18,8 @@ extern struct phy_device *of_phy_connect(struct net_device *dev,
struct device_node *phy_np,
void (*hndlr)(struct net_device *),
u32 flags, phy_interface_t iface);
+extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
+ void (*hndlr)(struct net_device *),
+ phy_interface_t iface);
#endif /* __LINUX_OF_MDIO_H */
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 5e970c7d3fd5..a9d823a93fe8 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -120,8 +120,10 @@ enum perf_counter_sample_format {
PERF_SAMPLE_ID = 1U << 6,
PERF_SAMPLE_CPU = 1U << 7,
PERF_SAMPLE_PERIOD = 1U << 8,
+ PERF_SAMPLE_STREAM_ID = 1U << 9,
+ PERF_SAMPLE_RAW = 1U << 10,
- PERF_SAMPLE_MAX = 1U << 9, /* non-ABI */
+ PERF_SAMPLE_MAX = 1U << 11, /* non-ABI */
};
/*
@@ -180,8 +182,9 @@ struct perf_counter_attr {
freq : 1, /* use freq, not period */
inherit_stat : 1, /* per task counts */
enable_on_exec : 1, /* next exec enables */
+ task : 1, /* trace fork/exit */
- __reserved_1 : 51;
+ __reserved_1 : 50;
__u32 wakeup_events; /* wakeup every n events */
__u32 __reserved_2;
@@ -310,18 +313,18 @@ enum perf_event_type {
/*
* struct {
* struct perf_event_header header;
- * u64 time;
- * u64 id;
- * u64 sample_period;
+ * u32 pid, ppid;
+ * u32 tid, ptid;
* };
*/
- PERF_EVENT_PERIOD = 4,
+ PERF_EVENT_EXIT = 4,
/*
* struct {
* struct perf_event_header header;
* u64 time;
* u64 id;
+ * u64 stream_id;
* };
*/
PERF_EVENT_THROTTLE = 5,
@@ -331,6 +334,7 @@ enum perf_event_type {
* struct {
* struct perf_event_header header;
* u32 pid, ppid;
+ * u32 tid, ptid;
* };
*/
PERF_EVENT_FORK = 7,
@@ -356,6 +360,7 @@ enum perf_event_type {
* { u64 time; } && PERF_SAMPLE_TIME
* { u64 addr; } && PERF_SAMPLE_ADDR
* { u64 id; } && PERF_SAMPLE_ID
+ * { u64 stream_id;} && PERF_SAMPLE_STREAM_ID
* { u32 cpu, res; } && PERF_SAMPLE_CPU
* { u64 period; } && PERF_SAMPLE_PERIOD
*
@@ -364,6 +369,8 @@ enum perf_event_type {
*
* { u64 nr,
* u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN
+ * { u32 size;
+ * char data[size];}&& PERF_SAMPLE_RAW
* };
*/
PERF_EVENT_SAMPLE = 9,
@@ -409,6 +416,11 @@ struct perf_callchain_entry {
__u64 ip[PERF_MAX_STACK_DEPTH];
};
+struct perf_raw_record {
+ u32 size;
+ void *data;
+};
+
struct task_struct;
/**
@@ -677,6 +689,7 @@ struct perf_sample_data {
struct pt_regs *regs;
u64 addr;
u64 period;
+ struct perf_raw_record *raw;
};
extern int perf_counter_overflow(struct perf_counter *counter, int nmi,
diff --git a/include/linux/pps.h b/include/linux/pps.h
index cfe5c7214ec6..0194ab06177b 100644
--- a/include/linux/pps.h
+++ b/include/linux/pps.h
@@ -22,6 +22,8 @@
#ifndef _PPS_H_
#define _PPS_H_
+#include <linux/types.h>
+
#define PPS_VERSION "5.3.6"
#define PPS_MAX_SOURCES 16 /* should be enough... */
diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index 2ce29831feb6..278777fa8a3a 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -224,7 +224,7 @@ void rfkill_destroy(struct rfkill *rfkill);
* should be blocked) so that drivers need not keep track of the soft
* block state -- which they might not be able to.
*/
-bool __must_check rfkill_set_hw_state(struct rfkill *rfkill, bool blocked);
+bool rfkill_set_hw_state(struct rfkill *rfkill, bool blocked);
/**
* rfkill_set_sw_state - Set the internal rfkill software block state
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index e5996984ddd0..9aaf5bfdad1a 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -242,6 +242,8 @@ size_t sg_copy_to_buffer(struct scatterlist *sgl, unsigned int nents,
*/
#define SG_MITER_ATOMIC (1 << 0) /* use kmap_atomic */
+#define SG_MITER_TO_SG (1 << 1) /* flush back to phys on unmap */
+#define SG_MITER_FROM_SG (1 << 2) /* nop */
struct sg_mapping_iter {
/* the following three fields can be accessed directly */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 16a982e389fb..3ab08e4bb6b8 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -209,7 +209,7 @@ extern unsigned long long time_sync_thresh;
((task->state & (__TASK_STOPPED | __TASK_TRACED)) != 0)
#define task_contributes_to_load(task) \
((task->state & TASK_UNINTERRUPTIBLE) != 0 && \
- (task->flags & PF_FROZEN) == 0)
+ (task->flags & PF_FREEZING) == 0)
#define __set_task_state(tsk, state_value) \
do { (tsk)->state = (state_value); } while (0)
@@ -1680,6 +1680,7 @@ extern cputime_t task_gtime(struct task_struct *p);
#define PF_MEMALLOC 0x00000800 /* Allocating memory */
#define PF_FLUSHER 0x00001000 /* responsible for disk writeback */
#define PF_USED_MATH 0x00002000 /* if unset the fpu must be initialized before use */
+#define PF_FREEZING 0x00004000 /* freeze in progress. do not account to load */
#define PF_NOFREEZE 0x00008000 /* this thread should not be frozen */
#define PF_FROZEN 0x00010000 /* frozen for system suspend */
#define PF_FSTRANS 0x00020000 /* inside a filesystem transaction */
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 1488d8c81aac..e8c6c9136c97 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -394,6 +394,7 @@ extern void __do_SAK(struct tty_struct *tty);
extern void disassociate_ctty(int priv);
extern void no_tty(void);
extern void tty_flip_buffer_push(struct tty_struct *tty);
+extern void tty_flush_to_ldisc(struct tty_struct *tty);
extern void tty_buffer_free_all(struct tty_struct *tty);
extern void tty_buffer_flush(struct tty_struct *tty);
extern void tty_buffer_init(struct tty_struct *tty);
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index 40f38d896777..0c4ee9b88f85 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -144,7 +144,7 @@ struct tty_ldisc_ops {
struct tty_ldisc {
struct tty_ldisc_ops *ops;
- int refcount;
+ atomic_t users;
};
#define TTY_LDISC_MAGIC 0x5403
diff --git a/include/linux/uio.h b/include/linux/uio.h
index b7fe13883bdb..98c114323a8b 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -19,15 +19,6 @@ struct iovec
__kernel_size_t iov_len; /* Must be size_t (1003.1g) */
};
-#ifdef __KERNEL__
-
-struct kvec {
- void *iov_base; /* and that should *never* hold a userland pointer */
- size_t iov_len;
-};
-
-#endif
-
/*
* UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1)
*/
@@ -35,6 +26,13 @@ struct kvec {
#define UIO_FASTIOV 8
#define UIO_MAXIOV 1024
+#ifdef __KERNEL__
+
+struct kvec {
+ void *iov_base; /* and that should *never* hold a userland pointer */
+ size_t iov_len;
+};
+
/*
* Total number of bytes covered by an iovec.
*
@@ -53,5 +51,6 @@ static inline size_t iov_length(const struct iovec *iov, unsigned long nr_segs)
}
unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to);
+#endif
#endif
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 95846d988011..74f16876f38d 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -338,6 +338,7 @@ struct v4l2_pix_format {
/* Vendor-specific formats */
#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
+#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index be7d255fc7cf..8dab9f2b8832 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -20,8 +20,7 @@
#define VIRTIO_BLK_ID_BYTES (sizeof(__u16[256])) /* IDENTIFY DATA */
-struct virtio_blk_config
-{
+struct virtio_blk_config {
/* The capacity (in 512-byte sectors). */
__u64 capacity;
/* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */
@@ -50,8 +49,7 @@ struct virtio_blk_config
#define VIRTIO_BLK_T_BARRIER 0x80000000
/* This is the first element of the read scatter-gather list. */
-struct virtio_blk_outhdr
-{
+struct virtio_blk_outhdr {
/* VIRTIO_BLK_T* */
__u32 type;
/* io priority. */
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 99f514575f6a..e547e3c8ee9a 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -79,8 +79,7 @@
* the dev->feature bits if it wants.
*/
typedef void vq_callback_t(struct virtqueue *);
-struct virtio_config_ops
-{
+struct virtio_config_ops {
void (*get)(struct virtio_device *vdev, unsigned offset,
void *buf, unsigned len);
void (*set)(struct virtio_device *vdev, unsigned offset,
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 9c543d6ac535..d8dd539c9f48 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -31,8 +31,7 @@
#define VIRTIO_NET_S_LINK_UP 1 /* Link is up */
-struct virtio_net_config
-{
+struct virtio_net_config {
/* The config defining mac address (if VIRTIO_NET_F_MAC) */
__u8 mac[6];
/* See VIRTIO_NET_F_STATUS and VIRTIO_NET_S_* above */
@@ -41,8 +40,7 @@ struct virtio_net_config
/* This is the first element of the scatter-gather list. If you don't
* specify GSO or CSUM features, you can simply ignore the header. */
-struct virtio_net_hdr
-{
+struct virtio_net_hdr {
#define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 // Use csum_start, csum_offset
__u8 flags;
#define VIRTIO_NET_HDR_GSO_NONE 0 // Not a GSO frame
diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h
index 693e0ec5afa6..e4d144b132b5 100644
--- a/include/linux/virtio_ring.h
+++ b/include/linux/virtio_ring.h
@@ -30,8 +30,7 @@
#define VIRTIO_RING_F_INDIRECT_DESC 28
/* Virtio ring descriptors: 16 bytes. These can chain together via "next". */
-struct vring_desc
-{
+struct vring_desc {
/* Address (guest-physical). */
__u64 addr;
/* Length. */
@@ -42,24 +41,21 @@ struct vring_desc
__u16 next;
};
-struct vring_avail
-{
+struct vring_avail {
__u16 flags;
__u16 idx;
__u16 ring[];
};
/* u32 is used here for ids for padding reasons. */
-struct vring_used_elem
-{
+struct vring_used_elem {
/* Index of start of used descriptor chain. */
__u32 id;
/* Total length of the descriptor chain which was used (written to) */
__u32 len;
};
-struct vring_used
-{
+struct vring_used {
__u16 flags;
__u16 idx;
struct vring_used_elem ring[];
diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h
index 11a4a2d3e364..94e908c0d7a0 100644
--- a/include/media/v4l2-chip-ident.h
+++ b/include/media/v4l2-chip-ident.h
@@ -60,6 +60,10 @@ enum {
V4L2_IDENT_OV7670 = 250,
V4L2_IDENT_OV7720 = 251,
V4L2_IDENT_OV7725 = 252,
+ V4L2_IDENT_OV7660 = 253,
+ V4L2_IDENT_OV9650 = 254,
+ V4L2_IDENT_OV9655 = 255,
+ V4L2_IDENT_SOI968 = 256,
/* module saa7146: reserved range 300-309 */
V4L2_IDENT_SAA7146 = 300,
@@ -161,6 +165,9 @@ enum {
/* module tw9910: just ident 9910 */
V4L2_IDENT_TW9910 = 9910,
+ /* module sn9c20x: just ident 10000 */
+ V4L2_IDENT_SN9C20X = 10000,
+
/* module msp3400: reserved range 34000-34999 and 44000-44999 */
V4L2_IDENT_MSPX4XX = 34000, /* generic MSPX4XX identifier, only
use internally (tveeprom.c). */
@@ -237,6 +244,11 @@ enum {
V4L2_IDENT_MT9V022IX7ATC = 45010, /* No way to detect "normal" I77ATx */
V4L2_IDENT_MT9V022IX7ATM = 45015, /* and "lead free" IA7ATx chips */
V4L2_IDENT_MT9T031 = 45020,
+ V4L2_IDENT_MT9V111 = 45031,
+ V4L2_IDENT_MT9V112 = 45032,
+
+ /* HV7131R CMOS sensor: just ident 46000 */
+ V4L2_IDENT_HV7131R = 46000,
/* module cs53132a: just ident 53132 */
V4L2_IDENT_CS53l32A = 53132,
diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h
index 80072611d26a..c274993234e3 100644
--- a/include/net/bluetooth/rfcomm.h
+++ b/include/net/bluetooth/rfcomm.h
@@ -355,7 +355,17 @@ struct rfcomm_dev_list_req {
};
int rfcomm_dev_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
+
+#ifdef CONFIG_BT_RFCOMM_TTY
int rfcomm_init_ttys(void);
void rfcomm_cleanup_ttys(void);
-
+#else
+static inline int rfcomm_init_ttys(void)
+{
+ return 0;
+}
+static inline void rfcomm_cleanup_ttys(void)
+{
+}
+#endif
#endif /* __RFCOMM_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 1a21895b732b..d1892d66701a 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -979,6 +979,10 @@ struct cfg80211_ops {
* channels at a later time. This can be used for devices which do not
* have calibration information gauranteed for frequencies or settings
* outside of its regulatory domain.
+ * @disable_beacon_hints: enable this if your driver needs to ensure that
+ * passive scan flags and beaconing flags may not be lifted by cfg80211
+ * due to regulatory beacon hints. For more information on beacon
+ * hints read the documenation for regulatory_hint_found_beacon()
* @reg_notifier: the driver's regulatory notification callback
* @regd: the driver's regulatory domain, if one was requested via
* the regulatory_hint() API. This can be used by the driver
@@ -1004,6 +1008,7 @@ struct wiphy {
bool custom_regulatory;
bool strict_regulatory;
+ bool disable_beacon_hints;
enum cfg80211_signal_type signal_type;
diff --git a/include/net/rose.h b/include/net/rose.h
index cbd5364b2c8a..5ba9f02731eb 100644
--- a/include/net/rose.h
+++ b/include/net/rose.h
@@ -156,7 +156,7 @@ extern int sysctl_rose_maximum_vcs;
extern int sysctl_rose_window_size;
extern int rosecmp(rose_address *, rose_address *);
extern int rosecmpm(rose_address *, rose_address *, unsigned short);
-extern const char *rose2asc(const rose_address *);
+extern char *rose2asc(char *buf, const rose_address *);
extern struct sock *rose_find_socket(unsigned int, struct rose_neigh *);
extern void rose_kill_by_neigh(struct rose_neigh *);
extern unsigned int rose_new_lci(struct rose_neigh *);
diff --git a/include/net/sock.h b/include/net/sock.h
index 2c0da9239b95..950409dcec3d 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -104,15 +104,15 @@ struct net;
/**
* struct sock_common - minimal network layer representation of sockets
+ * @skc_node: main hash linkage for various protocol lookup tables
+ * @skc_nulls_node: main hash linkage for UDP/UDP-Lite protocol
+ * @skc_refcnt: reference count
+ * @skc_hash: hash value used with various protocol lookup tables
* @skc_family: network address family
* @skc_state: Connection state
* @skc_reuse: %SO_REUSEADDR setting
* @skc_bound_dev_if: bound device index if != 0
- * @skc_node: main hash linkage for various protocol lookup tables
- * @skc_nulls_node: main hash linkage for UDP/UDP-Lite protocol
* @skc_bind_node: bind hash linkage for various protocol lookup tables
- * @skc_refcnt: reference count
- * @skc_hash: hash value used with various protocol lookup tables
* @skc_prot: protocol handlers inside a network family
* @skc_net: reference to the network namespace of this socket
*
@@ -120,17 +120,21 @@ struct net;
* for struct sock and struct inet_timewait_sock.
*/
struct sock_common {
- unsigned short skc_family;
- volatile unsigned char skc_state;
- unsigned char skc_reuse;
- int skc_bound_dev_if;
+ /*
+ * first fields are not copied in sock_copy()
+ */
union {
struct hlist_node skc_node;
struct hlist_nulls_node skc_nulls_node;
};
- struct hlist_node skc_bind_node;
atomic_t skc_refcnt;
+
unsigned int skc_hash;
+ unsigned short skc_family;
+ volatile unsigned char skc_state;
+ unsigned char skc_reuse;
+ int skc_bound_dev_if;
+ struct hlist_node skc_bind_node;
struct proto *skc_prot;
#ifdef CONFIG_NET_NS
struct net *skc_net;
@@ -208,15 +212,17 @@ struct sock {
* don't add nothing before this first member (__sk_common) --acme
*/
struct sock_common __sk_common;
+#define sk_node __sk_common.skc_node
+#define sk_nulls_node __sk_common.skc_nulls_node
+#define sk_refcnt __sk_common.skc_refcnt
+
+#define sk_copy_start __sk_common.skc_hash
+#define sk_hash __sk_common.skc_hash
#define sk_family __sk_common.skc_family
#define sk_state __sk_common.skc_state
#define sk_reuse __sk_common.skc_reuse
#define sk_bound_dev_if __sk_common.skc_bound_dev_if
-#define sk_node __sk_common.skc_node
-#define sk_nulls_node __sk_common.skc_nulls_node
#define sk_bind_node __sk_common.skc_bind_node
-#define sk_refcnt __sk_common.skc_refcnt
-#define sk_hash __sk_common.skc_hash
#define sk_prot __sk_common.skc_prot
#define sk_net __sk_common.skc_net
kmemcheck_bitfield_begin(flags);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 19f4150f4d4d..88af84306471 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1425,6 +1425,11 @@ struct tcp_request_sock_ops {
#ifdef CONFIG_TCP_MD5SIG
struct tcp_md5sig_key *(*md5_lookup) (struct sock *sk,
struct request_sock *req);
+ int (*calc_md5_hash) (char *location,
+ struct tcp_md5sig_key *md5,
+ struct sock *sk,
+ struct request_sock *req,
+ struct sk_buff *skb);
#endif
};
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 3cbb96ef34f4..25d3b02a06f8 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -145,6 +145,9 @@
#undef TP_fast_assign
#define TP_fast_assign(args...) args
+#undef TP_perf_assign
+#define TP_perf_assign(args...)
+
#undef TRACE_EVENT
#define TRACE_EVENT(call, proto, args, tstruct, func, print) \
static int \
@@ -347,6 +350,56 @@ static inline int ftrace_get_offsets_##call( \
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+#ifdef CONFIG_EVENT_PROFILE
+
+/*
+ * Generate the functions needed for tracepoint perf_counter support.
+ *
+ * NOTE: The insertion profile callback (ftrace_profile_<call>) is defined later
+ *
+ * static int ftrace_profile_enable_<call>(struct ftrace_event_call *event_call)
+ * {
+ * int ret = 0;
+ *
+ * if (!atomic_inc_return(&event_call->profile_count))
+ * ret = register_trace_<call>(ftrace_profile_<call>);
+ *
+ * return ret;
+ * }
+ *
+ * static void ftrace_profile_disable_<call>(struct ftrace_event_call *event_call)
+ * {
+ * if (atomic_add_negative(-1, &event->call->profile_count))
+ * unregister_trace_<call>(ftrace_profile_<call>);
+ * }
+ *
+ */
+
+#undef TRACE_EVENT
+#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
+ \
+static void ftrace_profile_##call(proto); \
+ \
+static int ftrace_profile_enable_##call(struct ftrace_event_call *event_call) \
+{ \
+ int ret = 0; \
+ \
+ if (!atomic_inc_return(&event_call->profile_count)) \
+ ret = register_trace_##call(ftrace_profile_##call); \
+ \
+ return ret; \
+} \
+ \
+static void ftrace_profile_disable_##call(struct ftrace_event_call *event_call)\
+{ \
+ if (atomic_add_negative(-1, &event_call->profile_count)) \
+ unregister_trace_##call(ftrace_profile_##call); \
+}
+
+#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+
+#endif
+
/*
* Stage 4 of the trace events.
*
@@ -449,28 +502,6 @@ static inline int ftrace_get_offsets_##call( \
#define TP_FMT(fmt, args...) fmt "\n", ##args
#ifdef CONFIG_EVENT_PROFILE
-#define _TRACE_PROFILE(call, proto, args) \
-static void ftrace_profile_##call(proto) \
-{ \
- extern void perf_tpcounter_event(int); \
- perf_tpcounter_event(event_##call.id); \
-} \
- \
-static int ftrace_profile_enable_##call(struct ftrace_event_call *event_call) \
-{ \
- int ret = 0; \
- \
- if (!atomic_inc_return(&event_call->profile_count)) \
- ret = register_trace_##call(ftrace_profile_##call); \
- \
- return ret; \
-} \
- \
-static void ftrace_profile_disable_##call(struct ftrace_event_call *event_call)\
-{ \
- if (atomic_add_negative(-1, &event_call->profile_count)) \
- unregister_trace_##call(ftrace_profile_##call); \
-}
#define _TRACE_PROFILE_INIT(call) \
.profile_count = ATOMIC_INIT(-1), \
@@ -478,7 +509,6 @@ static void ftrace_profile_disable_##call(struct ftrace_event_call *event_call)\
.profile_disable = ftrace_profile_disable_##call,
#else
-#define _TRACE_PROFILE(call, proto, args)
#define _TRACE_PROFILE_INIT(call)
#endif
@@ -504,7 +534,6 @@ static void ftrace_profile_disable_##call(struct ftrace_event_call *event_call)\
#undef TRACE_EVENT
#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
-_TRACE_PROFILE(call, PARAMS(proto), PARAMS(args)) \
\
static struct ftrace_event_call event_##call; \
\
@@ -588,6 +617,110 @@ __attribute__((section("_ftrace_events"))) event_##call = { \
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-#undef _TRACE_PROFILE
+/*
+ * Define the insertion callback to profile events
+ *
+ * The job is very similar to ftrace_raw_event_<call> except that we don't
+ * insert in the ring buffer but in a perf counter.
+ *
+ * static void ftrace_profile_<call>(proto)
+ * {
+ * struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
+ * struct ftrace_event_call *event_call = &event_<call>;
+ * extern void perf_tpcounter_event(int, u64, u64, void *, int);
+ * struct ftrace_raw_##call *entry;
+ * u64 __addr = 0, __count = 1;
+ * unsigned long irq_flags;
+ * int __entry_size;
+ * int __data_size;
+ * int pc;
+ *
+ * local_save_flags(irq_flags);
+ * pc = preempt_count();
+ *
+ * __data_size = ftrace_get_offsets_<call>(&__data_offsets, args);
+ *
+ * // Below we want to get the aligned size by taking into account
+ * // the u32 field that will later store the buffer size
+ * __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),
+ * sizeof(u64));
+ * __entry_size -= sizeof(u32);
+ *
+ * do {
+ * char raw_data[__entry_size]; <- allocate our sample in the stack
+ * struct trace_entry *ent;
+ *
+ * zero dead bytes from alignment to avoid stack leak to userspace:
+ *
+ * *(u64 *)(&raw_data[__entry_size - sizeof(u64)]) = 0ULL;
+ * entry = (struct ftrace_raw_<call> *)raw_data;
+ * ent = &entry->ent;
+ * tracing_generic_entry_update(ent, irq_flags, pc);
+ * ent->type = event_call->id;
+ *
+ * <tstruct> <- do some jobs with dynamic arrays
+ *
+ * <assign> <- affect our values
+ *
+ * perf_tpcounter_event(event_call->id, __addr, __count, entry,
+ * __entry_size); <- submit them to perf counter
+ * } while (0);
+ *
+ * }
+ */
+
+#ifdef CONFIG_EVENT_PROFILE
+
+#undef __perf_addr
+#define __perf_addr(a) __addr = (a)
+
+#undef __perf_count
+#define __perf_count(c) __count = (c)
+
+#undef TRACE_EVENT
+#define TRACE_EVENT(call, proto, args, tstruct, assign, print) \
+static void ftrace_profile_##call(proto) \
+{ \
+ struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
+ struct ftrace_event_call *event_call = &event_##call; \
+ extern void perf_tpcounter_event(int, u64, u64, void *, int); \
+ struct ftrace_raw_##call *entry; \
+ u64 __addr = 0, __count = 1; \
+ unsigned long irq_flags; \
+ int __entry_size; \
+ int __data_size; \
+ int pc; \
+ \
+ local_save_flags(irq_flags); \
+ pc = preempt_count(); \
+ \
+ __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
+ __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\
+ sizeof(u64)); \
+ __entry_size -= sizeof(u32); \
+ \
+ do { \
+ char raw_data[__entry_size]; \
+ struct trace_entry *ent; \
+ \
+ *(u64 *)(&raw_data[__entry_size - sizeof(u64)]) = 0ULL; \
+ entry = (struct ftrace_raw_##call *)raw_data; \
+ ent = &entry->ent; \
+ tracing_generic_entry_update(ent, irq_flags, pc); \
+ ent->type = event_call->id; \
+ \
+ tstruct \
+ \
+ { assign; } \
+ \
+ perf_tpcounter_event(event_call->id, __addr, __count, entry,\
+ __entry_size); \
+ } while (0); \
+ \
+}
+
+#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
+#endif /* CONFIG_EVENT_PROFILE */
+
#undef _TRACE_PROFILE_INIT