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authorDavid S. Miller <davem@davemloft.net>2010-04-21 04:14:25 -0400
committerDavid S. Miller <davem@davemloft.net>2010-04-21 04:14:25 -0400
commit87eb367003887cdc81a5d183efea227b5b488961 (patch)
tree40f617e25a9364d573e3cd2189c9e7fa56c8a0fe /include
parentccb7c7732e2ceb4e81a7806faf1670be9681ccd2 (diff)
parent05d17608a69b3ae653ea5c9857283bef3439c733 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/iwlwifi/iwl-6000.c net/core/dev.c
Diffstat (limited to 'include')
-rw-r--r--include/drm/drm_pciids.h1
-rw-r--r--include/linux/firewire-cdev.h78
-rw-r--r--include/linux/firewire-constants.h29
-rw-r--r--include/linux/input/matrix_keypad.h2
-rw-r--r--include/linux/nfs_fs_sb.h1
-rw-r--r--include/linux/rcupdate.h65
6 files changed, 142 insertions, 34 deletions
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 04a6ebc27b96..2d428b088cc8 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -6,6 +6,7 @@
6 {0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \ 6 {0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
7 {0x1002, 0x3152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ 7 {0x1002, 0x3152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
8 {0x1002, 0x3154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ 8 {0x1002, 0x3154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
9 {0x1002, 0x3155, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
9 {0x1002, 0x3E50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \ 10 {0x1002, 0x3E50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
10 {0x1002, 0x3E54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \ 11 {0x1002, 0x3E54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
11 {0x1002, 0x4136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|RADEON_IS_IGP}, \ 12 {0x1002, 0x4136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|RADEON_IS_IGP}, \
diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h
index 40b11013408e..81f3b14d5d76 100644
--- a/include/linux/firewire-cdev.h
+++ b/include/linux/firewire-cdev.h
@@ -1,21 +1,26 @@
1/* 1/*
2 * Char device interface. 2 * Char device interface.
3 * 3 *
4 * Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net> 4 * Copyright (C) 2005-2007 Kristian Hoegsberg <krh@bitplanet.net>
5 * 5 *
6 * This program is free software; you can redistribute it and/or modify 6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * it under the terms of the GNU General Public License as published by 7 * copy of this software and associated documentation files (the "Software"),
8 * the Free Software Foundation; either version 2 of the License, or 8 * to deal in the Software without restriction, including without limitation
9 * (at your option) any later version. 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * 10 * and/or sell copies of the Software, and to permit persons to whom the
11 * This program is distributed in the hope that it will be useful, 11 * Software is furnished to do so, subject to the following conditions:
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * The above copyright notice and this permission notice (including the next
14 * GNU General Public License for more details. 14 * paragraph) shall be included in all copies or substantial portions of the
15 * 15 * Software.
16 * You should have received a copy of the GNU General Public License 16 *
17 * along with this program; if not, write to the Free Software Foundation, 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
19 */ 24 */
20 25
21#ifndef _LINUX_FIREWIRE_CDEV_H 26#ifndef _LINUX_FIREWIRE_CDEV_H
@@ -438,7 +443,7 @@ struct fw_cdev_remove_descriptor {
438 * @type: %FW_CDEV_ISO_CONTEXT_TRANSMIT or %FW_CDEV_ISO_CONTEXT_RECEIVE 443 * @type: %FW_CDEV_ISO_CONTEXT_TRANSMIT or %FW_CDEV_ISO_CONTEXT_RECEIVE
439 * @header_size: Header size to strip for receive contexts 444 * @header_size: Header size to strip for receive contexts
440 * @channel: Channel to bind to 445 * @channel: Channel to bind to
441 * @speed: Speed to transmit at 446 * @speed: Speed for transmit contexts
442 * @closure: To be returned in &fw_cdev_event_iso_interrupt 447 * @closure: To be returned in &fw_cdev_event_iso_interrupt
443 * @handle: Handle to context, written back by kernel 448 * @handle: Handle to context, written back by kernel
444 * 449 *
@@ -451,6 +456,9 @@ struct fw_cdev_remove_descriptor {
451 * If a context was successfully created, the kernel writes back a handle to the 456 * If a context was successfully created, the kernel writes back a handle to the
452 * context, which must be passed in for subsequent operations on that context. 457 * context, which must be passed in for subsequent operations on that context.
453 * 458 *
459 * For receive contexts, @header_size must be at least 4 and must be a multiple
460 * of 4.
461 *
454 * Note that the effect of a @header_size > 4 depends on 462 * Note that the effect of a @header_size > 4 depends on
455 * &fw_cdev_get_info.version, as documented at &fw_cdev_event_iso_interrupt. 463 * &fw_cdev_get_info.version, as documented at &fw_cdev_event_iso_interrupt.
456 */ 464 */
@@ -481,10 +489,34 @@ struct fw_cdev_create_iso_context {
481 * 489 *
482 * &struct fw_cdev_iso_packet is used to describe isochronous packet queues. 490 * &struct fw_cdev_iso_packet is used to describe isochronous packet queues.
483 * 491 *
484 * Use the FW_CDEV_ISO_ macros to fill in @control. The sy and tag fields are 492 * Use the FW_CDEV_ISO_ macros to fill in @control.
485 * specified by IEEE 1394a and IEC 61883. 493 *
486 * 494 * For transmit packets, the header length must be a multiple of 4 and specifies
487 * FIXME - finish this documentation 495 * the numbers of bytes in @header that will be prepended to the packet's
496 * payload; these bytes are copied into the kernel and will not be accessed
497 * after the ioctl has returned. The sy and tag fields are copied to the iso
498 * packet header (these fields are specified by IEEE 1394a and IEC 61883-1).
499 * The skip flag specifies that no packet is to be sent in a frame; when using
500 * this, all other fields except the interrupt flag must be zero.
501 *
502 * For receive packets, the header length must be a multiple of the context's
503 * header size; if the header length is larger than the context's header size,
504 * multiple packets are queued for this entry. The sy and tag fields are
505 * ignored. If the sync flag is set, the context drops all packets until
506 * a packet with a matching sy field is received (the sync value to wait for is
507 * specified in the &fw_cdev_start_iso structure). The payload length defines
508 * how many payload bytes can be received for one packet (in addition to payload
509 * quadlets that have been defined as headers and are stripped and returned in
510 * the &fw_cdev_event_iso_interrupt structure). If more bytes are received, the
511 * additional bytes are dropped. If less bytes are received, the remaining
512 * bytes in this part of the payload buffer will not be written to, not even by
513 * the next packet, i.e., packets received in consecutive frames will not
514 * necessarily be consecutive in memory. If an entry has queued multiple
515 * packets, the payload length is divided equally among them.
516 *
517 * When a packet with the interrupt flag set has been completed, the
518 * &fw_cdev_event_iso_interrupt event will be sent. An entry that has queued
519 * multiple receive packets is completed when its last packet is completed.
488 */ 520 */
489struct fw_cdev_iso_packet { 521struct fw_cdev_iso_packet {
490 __u32 control; 522 __u32 control;
@@ -501,7 +533,7 @@ struct fw_cdev_iso_packet {
501 * Queue a number of isochronous packets for reception or transmission. 533 * Queue a number of isochronous packets for reception or transmission.
502 * This ioctl takes a pointer to an array of &fw_cdev_iso_packet structs, 534 * This ioctl takes a pointer to an array of &fw_cdev_iso_packet structs,
503 * which describe how to transmit from or receive into a contiguous region 535 * which describe how to transmit from or receive into a contiguous region
504 * of a mmap()'ed payload buffer. As part of the packet descriptors, 536 * of a mmap()'ed payload buffer. As part of transmit packet descriptors,
505 * a series of headers can be supplied, which will be prepended to the 537 * a series of headers can be supplied, which will be prepended to the
506 * payload during DMA. 538 * payload during DMA.
507 * 539 *
@@ -620,8 +652,8 @@ struct fw_cdev_get_cycle_timer2 {
620 * instead of allocated. 652 * instead of allocated.
621 * An %FW_CDEV_EVENT_ISO_RESOURCE_DEALLOCATED event concludes this operation. 653 * An %FW_CDEV_EVENT_ISO_RESOURCE_DEALLOCATED event concludes this operation.
622 * 654 *
623 * To summarize, %FW_CDEV_IOC_DEALLOCATE_ISO_RESOURCE allocates iso resources 655 * To summarize, %FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE allocates iso resources
624 * for the lifetime of the fd or handle. 656 * for the lifetime of the fd or @handle.
625 * In contrast, %FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE_ONCE allocates iso resources 657 * In contrast, %FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE_ONCE allocates iso resources
626 * for the duration of a bus generation. 658 * for the duration of a bus generation.
627 * 659 *
diff --git a/include/linux/firewire-constants.h b/include/linux/firewire-constants.h
index b316770a43fd..9c63f06e67f2 100644
--- a/include/linux/firewire-constants.h
+++ b/include/linux/firewire-constants.h
@@ -1,3 +1,28 @@
1/*
2 * IEEE 1394 constants.
3 *
4 * Copyright (C) 2005-2007 Kristian Hoegsberg <krh@bitplanet.net>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 */
25
1#ifndef _LINUX_FIREWIRE_CONSTANTS_H 26#ifndef _LINUX_FIREWIRE_CONSTANTS_H
2#define _LINUX_FIREWIRE_CONSTANTS_H 27#define _LINUX_FIREWIRE_CONSTANTS_H
3 28
@@ -21,7 +46,7 @@
21#define EXTCODE_WRAP_ADD 0x6 46#define EXTCODE_WRAP_ADD 0x6
22#define EXTCODE_VENDOR_DEPENDENT 0x7 47#define EXTCODE_VENDOR_DEPENDENT 0x7
23 48
24/* Juju specific tcodes */ 49/* Linux firewire-core (Juju) specific tcodes */
25#define TCODE_LOCK_MASK_SWAP (0x10 | EXTCODE_MASK_SWAP) 50#define TCODE_LOCK_MASK_SWAP (0x10 | EXTCODE_MASK_SWAP)
26#define TCODE_LOCK_COMPARE_SWAP (0x10 | EXTCODE_COMPARE_SWAP) 51#define TCODE_LOCK_COMPARE_SWAP (0x10 | EXTCODE_COMPARE_SWAP)
27#define TCODE_LOCK_FETCH_ADD (0x10 | EXTCODE_FETCH_ADD) 52#define TCODE_LOCK_FETCH_ADD (0x10 | EXTCODE_FETCH_ADD)
@@ -36,7 +61,7 @@
36#define RCODE_TYPE_ERROR 0x6 61#define RCODE_TYPE_ERROR 0x6
37#define RCODE_ADDRESS_ERROR 0x7 62#define RCODE_ADDRESS_ERROR 0x7
38 63
39/* Juju specific rcodes */ 64/* Linux firewire-core (Juju) specific rcodes */
40#define RCODE_SEND_ERROR 0x10 65#define RCODE_SEND_ERROR 0x10
41#define RCODE_CANCELLED 0x11 66#define RCODE_CANCELLED 0x11
42#define RCODE_BUSY 0x12 67#define RCODE_BUSY 0x12
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index 3bd018baae20..c964cd7f436a 100644
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -44,6 +44,7 @@ struct matrix_keymap_data {
44 * @active_low: gpio polarity 44 * @active_low: gpio polarity
45 * @wakeup: controls whether the device should be set up as wakeup 45 * @wakeup: controls whether the device should be set up as wakeup
46 * source 46 * source
47 * @no_autorepeat: disable key autorepeat
47 * 48 *
48 * This structure represents platform-specific data that use used by 49 * This structure represents platform-specific data that use used by
49 * matrix_keypad driver to perform proper initialization. 50 * matrix_keypad driver to perform proper initialization.
@@ -64,6 +65,7 @@ struct matrix_keypad_platform_data {
64 65
65 bool active_low; 66 bool active_low;
66 bool wakeup; 67 bool wakeup;
68 bool no_autorepeat;
67}; 69};
68 70
69/** 71/**
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 717a5e54eb1d..e82957acea56 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -176,6 +176,7 @@ struct nfs_server {
176#define NFS_CAP_ATIME (1U << 11) 176#define NFS_CAP_ATIME (1U << 11)
177#define NFS_CAP_CTIME (1U << 12) 177#define NFS_CAP_CTIME (1U << 12)
178#define NFS_CAP_MTIME (1U << 13) 178#define NFS_CAP_MTIME (1U << 13)
179#define NFS_CAP_POSIX_LOCK (1U << 14)
179 180
180 181
181/* maximum number of slots to use */ 182/* maximum number of slots to use */
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 872a98e13d6a..07db2feb8572 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -101,10 +101,7 @@ extern struct lockdep_map rcu_sched_lock_map;
101# define rcu_read_release_sched() \ 101# define rcu_read_release_sched() \
102 lock_release(&rcu_sched_lock_map, 1, _THIS_IP_) 102 lock_release(&rcu_sched_lock_map, 1, _THIS_IP_)
103 103
104static inline int debug_lockdep_rcu_enabled(void) 104extern int debug_lockdep_rcu_enabled(void);
105{
106 return likely(rcu_scheduler_active && debug_locks);
107}
108 105
109/** 106/**
110 * rcu_read_lock_held - might we be in RCU read-side critical section? 107 * rcu_read_lock_held - might we be in RCU read-side critical section?
@@ -195,12 +192,30 @@ static inline int rcu_read_lock_sched_held(void)
195 192
196/** 193/**
197 * rcu_dereference_check - rcu_dereference with debug checking 194 * rcu_dereference_check - rcu_dereference with debug checking
195 * @p: The pointer to read, prior to dereferencing
196 * @c: The conditions under which the dereference will take place
197 *
198 * Do an rcu_dereference(), but check that the conditions under which the
199 * dereference will take place are correct. Typically the conditions indicate
200 * the various locking conditions that should be held at that point. The check
201 * should return true if the conditions are satisfied.
202 *
203 * For example:
204 *
205 * bar = rcu_dereference_check(foo->bar, rcu_read_lock_held() ||
206 * lockdep_is_held(&foo->lock));
198 * 207 *
199 * Do an rcu_dereference(), but check that the context is correct. 208 * could be used to indicate to lockdep that foo->bar may only be dereferenced
200 * For example, rcu_dereference_check(gp, rcu_read_lock_held()) to 209 * if either the RCU read lock is held, or that the lock required to replace
201 * ensure that the rcu_dereference_check() executes within an RCU 210 * the bar struct at foo->bar is held.
202 * read-side critical section. It is also possible to check for 211 *
203 * locks being held, for example, by using lockdep_is_held(). 212 * Note that the list of conditions may also include indications of when a lock
213 * need not be held, for example during initialisation or destruction of the
214 * target struct:
215 *
216 * bar = rcu_dereference_check(foo->bar, rcu_read_lock_held() ||
217 * lockdep_is_held(&foo->lock) ||
218 * atomic_read(&foo->usage) == 0);
204 */ 219 */
205#define rcu_dereference_check(p, c) \ 220#define rcu_dereference_check(p, c) \
206 ({ \ 221 ({ \
@@ -209,13 +224,45 @@ static inline int rcu_read_lock_sched_held(void)
209 rcu_dereference_raw(p); \ 224 rcu_dereference_raw(p); \
210 }) 225 })
211 226
227/**
228 * rcu_dereference_protected - fetch RCU pointer when updates prevented
229 *
230 * Return the value of the specified RCU-protected pointer, but omit
231 * both the smp_read_barrier_depends() and the ACCESS_ONCE(). This
232 * is useful in cases where update-side locks prevent the value of the
233 * pointer from changing. Please note that this primitive does -not-
234 * prevent the compiler from repeating this reference or combining it
235 * with other references, so it should not be used without protection
236 * of appropriate locks.
237 */
238#define rcu_dereference_protected(p, c) \
239 ({ \
240 if (debug_lockdep_rcu_enabled() && !(c)) \
241 lockdep_rcu_dereference(__FILE__, __LINE__); \
242 (p); \
243 })
244
212#else /* #ifdef CONFIG_PROVE_RCU */ 245#else /* #ifdef CONFIG_PROVE_RCU */
213 246
214#define rcu_dereference_check(p, c) rcu_dereference_raw(p) 247#define rcu_dereference_check(p, c) rcu_dereference_raw(p)
248#define rcu_dereference_protected(p, c) (p)
215 249
216#endif /* #else #ifdef CONFIG_PROVE_RCU */ 250#endif /* #else #ifdef CONFIG_PROVE_RCU */
217 251
218/** 252/**
253 * rcu_access_pointer - fetch RCU pointer with no dereferencing
254 *
255 * Return the value of the specified RCU-protected pointer, but omit the
256 * smp_read_barrier_depends() and keep the ACCESS_ONCE(). This is useful
257 * when the value of this pointer is accessed, but the pointer is not
258 * dereferenced, for example, when testing an RCU-protected pointer against
259 * NULL. This may also be used in cases where update-side locks prevent
260 * the value of the pointer from changing, but rcu_dereference_protected()
261 * is a lighter-weight primitive for this use case.
262 */
263#define rcu_access_pointer(p) ACCESS_ONCE(p)
264
265/**
219 * rcu_read_lock - mark the beginning of an RCU read-side critical section. 266 * rcu_read_lock - mark the beginning of an RCU read-side critical section.
220 * 267 *
221 * When synchronize_rcu() is invoked on one CPU while other CPUs 268 * When synchronize_rcu() is invoked on one CPU while other CPUs