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2008-03-03Revert "unique end pointer" patchChristoph Lameter1-4/+1
This only made sense for the alternate fastpath which was reverted last week. Mathieu is working on a new version that addresses the fastpath issues but that new code first needs to go through mm and it is not clear if we need the unique end pointers with his new scheme. Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Christoph Lameter <clameter@sgi.com>
2008-03-03[ARP]: Introduce the arp_hdr_len helper.Pavel Emelyanov1-0/+6
There are some place, that calculate the ARP header length. These calculations are correct, but a) some operate with "magic" constants, b) enlarge the code length (sometimes at the cost of coding style), c) are not informative from the first glance. The proposal is to introduce a helper, that includes all the good sides of these calculations. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-03docbook: fix usb source filesRandy Dunlap1-6/+3
Fix docbook problems in USB source files. These cause the generated docbook to be incorrect. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-03-03KVM: Make the supported cpuid list a host property rather than a vm propertyAvi Kivity1-2/+2
One of the use cases for the supported cpuid list is to create a "greatest common denominator" of cpu capabilities in a server farm. As such, it is useful to be able to get the list without creating a virtual machine first. Since the code does not depend on the vm in any way, all that is needed is to move it to the device ioctl handler. The capability identifier is also changed so that binaries made against -rc1 will fail gracefully. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-03-01Merge branch 'master' of ↵David S. Miller3-0/+113
master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.26
2008-02-29ssb: Add CHIPCO IRQ access functionsAurelien Jarno1-0/+4
This patch adds functions to setup and read the CHIPCO IRQ. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29ssb: Add support for 8bit register accessMichael Buesch1-0/+10
This adds support for 8bit wide register reads/writes. This is needed in order to support the gigabit ethernet core. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29nl80211: Add monitor interface configuration flagsMichael Wu1-0/+35
This allows precise control over what a monitor interface shows. Signed-off-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29nl80211: export hardware bitrate/channel capabilitiesJohannes Berg1-0/+64
This makes nl80211 export the hardware bitrate/channel capabilities as registered in a wiphy. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-29[INET]: Remove struct net_proto_family* from _init calls.Denis V. Lunev1-1/+1
struct net_proto_family* is not used in icmp[v6]_init, ndisc_init, igmp_init and tcp_v4_init. Remove it. Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-29rcu: add support for dynamic ticks and preempt rcuSteven Rostedt3-0/+35
The PREEMPT-RCU can get stuck if a CPU goes idle and NO_HZ is set. The idle CPU will not progress the RCU through its grace period and a synchronize_rcu my get stuck. Without this patch I have a box that will not boot when PREEMPT_RCU and NO_HZ are set. That same box boots fine with this patch. This patch comes from the -rt kernel where it has been tested for several months. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-29let __dec_zone_page_state use __dec_zone_stateUwe Kleine-König1-2/+1
This removes code duplication and makes __dec_zone_page_state look like __inc_zone_page_state. Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Acked-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds2-1/+32
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: arch/sh/drivers/dma/dma-sh.c: Correct use of ! and & serial: Move asm-sh/sci.h to linux/serial_sci.h. sh: Fix up HAS_SR_RB typo in entry-macros. maple: fix device detection sh: fix rtc_resources setup for sh770x sh: heartbeat: ioremap is expected to succeed sh: Storage class should be before const qualifier maple: remove unused variable sh: SH5-103 needs to select CPU_SH5. sh: Rename SH-3 CCR3 reg to avoid synclink_cs clash.
2008-02-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2-3/+1
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (79 commits) [X25]: Use proc_create() to setup ->proc_fops first [WANROUTER]: Use proc_create() to setup ->proc_fops first [8021Q]: Use proc_create() to setup ->proc_fops first [IPV4]: Use proc_create() to setup ->proc_fops first [IPV6]: Use proc_create() to setup ->proc_fops first [SCTP]: Use proc_create() to setup ->proc_fops first [PKTGEN]: Use proc_create() to setup ->proc_fops first [NEIGHBOUR]: Use proc_create() to setup ->proc_fops first [LLC]: Use proc_create() to setup ->proc_fops first [IPX]: Use proc_create() to setup ->proc_fops first [SUNRPC]: Use proc_create() to setup ->proc_fops first [ATM]: Use proc_create() to setup ->proc_fops first [SCTP]: Update AUTH structures to match declarations in draft-16. [SCTP]: Incorrect length was used in SCTP_*_AUTH_CHUNKS socket option [SCTP]: Clean up naming conventions of sctp protocol/address family registration [APPLETALK]: Use proc_create() to setup ->proc_fops first [BNX2X]: add bnx2x to MAINTAINERS [BNX2X]: update version, remove CVS strings [BNX2X]: Fix Xmit bugs [BNX2X]: Prevent PCI queue overflow ...
2008-02-29elfcore-compat fix uid/gid typesRoland McGrath1-2/+2
I overlooked the difference between __kernel_uid_t and uid_t when defining struct compat_elf_prpsinfo. The result is a regression in 32-bit core dumps on x86_64, where the NT_PRPSINFO note has the wrong size and layout. This patch fixes it. Signed-off-by: Roland McGrath <roland@redhat.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-29Merge branch 'cleanups' into nextTrond Myklebust1-4/+5
2008-02-29SUNRPC: Remove now-redundant RCU-safe rpc_task free pathTrond Myklebust1-2/+0
Now that we've tightened up the locking rules for RPC queue wakeups, we can remove the RCU-safe kfree calls... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-02-29SUNRPC: Eliminate the now-redundant rpc_start_wakeup()Trond Myklebust1-11/+1
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-02-29SUNRPC: Switch tasks to using the rpc_waitqueue's timer functionTrond Myklebust1-8/+1
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-02-29SUNRPC: Add a timer function to wait queues.Trond Myklebust1-0/+9
This is designed to replace the timeout timer in the individual rpc_tasks. By putting the timer function in the wait queue, we will eventually be able to reduce the total number of timers in use by the RPC subsystem. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-02-29SUNRPC: Add a (empty for the moment) destructor for rpc_wait_queuesTrond Myklebust1-0/+1
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-02-29[XFRM]: Speed up xfrm_policy and xfrm_state walkingTimo Teras1-1/+2
Change xfrm_policy and xfrm_state walking algorithm from O(n^2) to O(n). This is achieved adding the entries to one more list which is used solely for walking the entries. This also fixes some races where the dump can have duplicate or missing entries when the SPD/SADB is modified during an ongoing dump. Dumping SADB with 20000 entries using "time ip xfrm state" the sys time dropped from 1.012s to 0.080s. Signed-off-by: Timo Teras <timo.teras@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-29[NETNS]: Process devinet ioctl in the correct namespace.Denis V. Lunev1-1/+1
Add namespace parameter to devinet_ioctl and locate device inside it for state changes. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-27[NETFILTER]: Fix NF_QUEUE_NR() parenthesisPatrick McHardy1-1/+1
Properly add parens around the macro argument. This is not needed by the kernel but the macro is exported to userspace, so it shouldn't make any assumptions. Also use NF_VERDICT_BITS instead of NF_VERDICT_QBTIS for the left-shift since thats whats logically correct. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-27CONNECTOR: make cn_already_initialized staticLi Zefan1-2/+0
It is used in connector.c only, so make it static. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-26Merge branch 'for_linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: add missing ext4_journal_stop() ext4: ext4_find_next_zero_bit needs an aligned address on some arch ext4: set EXT4_EXTENTS_FL only for directory and regular files ext4: Don't mark filesystem error if fallocate fails ext4: Fix BUG when writing to an unitialized extent ext4: Don't use ext4_dec_count() if not needed ext4: modify block allocation algorithm for the last group ext4: Don't claim block from group which has corrupt bitmap ext4: Get journal write access before modifying the extent tree ext4: Fix memory and buffer head leak in callers to ext4_ext_find_extent() ext4: Don't leave behind a half-created inode if ext4_mkdir() fails ext4: Fix kernel BUG at fs/ext4/mballoc.c:910! ext4: Fix locking hierarchy violation in ext4_fallocate() Remove incorrect BKL comments in ext4
2008-02-26Merge branch 'v2.6.25-rc3-lockdep' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep * 'v2.6.25-rc3-lockdep' of git://git.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep: Subject: lockdep: include all lock classes in all_lock_classes lockdep: increase MAX_LOCK_DEPTH
2008-02-26Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/lmb-2.6Paul Mackerras1-0/+83
2008-02-26serial: Move asm-sh/sci.h to linux/serial_sci.h.Paul Mundt1-0/+32
This header is needed on other architectures as well (namely h8300), which currently fails to build without this in place. Rather than duplicating the port definition completely there, just move this to a common location instead. This should get h8300 working again for 2.6.25, in addition to the changes already pushed by Sato-san in -rc2. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-26SUNRPC: Run rpc timeout functions as callbacks instead of in softirqsTrond Myklebust1-3/+1
An audit of the current RPC timeout functions shows that they don't really ever need to run in the softirq context. As long as the softirq is able to signal that the wakeup is due to a timeout (which it can do by setting task->tk_status to -ETIMEDOUT) then the callback functions can just run as standard task->tk_callback functions (in the rpciod/process context). The only possible border-line case would be xprt_timer() for the case of UDP, when the callback is used to reduce the size of the transport congestion window. In testing, however, the effect of moving that update to a callback would appear to be minor. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-02-26SUNRPC: Convert users of rpc_wake_up_task to use rpc_wake_up_queued_taskTrond Myklebust1-1/+0
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-02-26SUNRPC: Add a new helper rpc_wake_up_queued_task()Trond Myklebust1-1/+3
In all cases where we currently use rpc_wake_up_task(), we almost always know on which waitqueue the rpc_task is actually sleeping. This will allows us to simplify the queue locking in a future patch. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-02-26SUNRPC: Allow the rpc_release() callback to be run on another workqueueTrond Myklebust1-0/+1
A lot of the work done by the rpc_release() callback is inappropriate for rpciod as it will often involve things like starting a new rpc call in order to clean up state after an interrupted NFSv4 open() call, or calls to mntput(), etc. This patch allows the caller of rpc_run_task() to specify that the rpc_release callback should run on a different workqueue than the default rpciod_workqueue. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-02-26maple: remove unused variableAdrian McMenamin1-1/+0
Remove an unused variable from the definition of struct maple_device Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-26lockdep: increase MAX_LOCK_DEPTHPeter Zijlstra1-1/+1
Some code paths exceed the current max lock depth (XFS), so increase this limit a bit. I looked at making this a dynamic allocated array, but we should not advocate insane lock depths, so stay with this as long as it works... Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-25sched: add declaration of sched_tail to sched.hHarvey Harrison1-0/+1
Avoids sparse warnings: kernel/sched.c:2170:17: warning: symbol 'schedule_tail' was not declared. Should it be static? Avoids the need for an external declaration in arch/um/process.c Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-24i2c: Make i2c_register_board_info() a NOP when CONFIG_I2C_BOARDINFO=nDavid Brownell1-1/+8
Don't require platform code to be #ifdeffed according to whether I2C is enabled or not ... if it's not enabled, let GCC compile out all I2C device declarations. (Issue noted on an NSLU2 build that didn't configure I2C.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-02-24i2c: Storage class should be before const qualifierTobias Klauser1-1/+1
The C99 specification states in section 6.11.5: The placement of a storage-class specifier other than at the beginning of the declaration specifiers in a declaration is an obsolescent feature. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-02-24Merge branch 'upstream-linus' of ↵Linus Torvalds2-0/+6
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata-core: fix kernel-doc warning sata_fsl: fix build with ATA_VERBOSE_DEBUG [libata] ahci: AMD SB700/SB800 SATA support 64bit DMA libata-pmp: clear hob for pmp register accesses libata: automatically use DMADIR if drive/bridge requires it power_state: get rid of write-only variable in SATA pata_atiixp: Use 255 sector limit
2008-02-24libata: automatically use DMADIR if drive/bridge requires itTejun Heo2-0/+6
Back in 2.6.17-rc2, a libata module parameter was added for atapi_dmadir. That's nice, but most SATA devices which need it will tell us about it in their IDENTIFY PACKET response, as bit-15 of word-62 of the returned data (as per ATA7, ATA8 specifications). So for those which specify it, we should automatically use the DMADIR bit. Otherwise, disc writing will fail by default on many SATA-ATAPI drives. This patch adds ATA_DFLAG_DMADIR and make ata_dev_configure() set it if atapi_dmadir is set or identify data indicates DMADIR is necessary. atapi_xlat() is converted to check ATA_DFLAG_DMADIR before setting DMADIR. Original patch is from Mark Lord. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds9-12/+67
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (37 commits) [NETFILTER]: fix ebtable targets return [IP_TUNNEL]: Don't limit the number of tunnels with generic name explicitly. [NET]: Restore sanity wrt. print_mac(). [NEIGH]: Fix race between neighbor lookup and table's hash_rnd update. [RTNL]: Validate hardware and broadcast address attribute for RTM_NEWLINK tg3: ethtool phys_id default [BNX2]: Update version to 1.7.4. [BNX2]: Disable parallel detect on an HP blade. [BNX2]: More 5706S link down workaround. ssb: Fix support for PCI devices behind a SSB->PCI bridge zd1211rw: fix sparse warnings rtl818x: fix sparse warnings ssb: Fix pcicore cardbus mode ssb: Make the GPIO API reentrancy safe ssb: Fix the GPIO API ssb: Fix watchdog access for devices without a chipcommon ssb: Fix serial console on new bcm47xx devices ath5k: Fix build warnings on some 64-bit platforms. WDEV, ath5k, don't return int from bool function WDEV: ath5k, fix lock imbalance ...
2008-02-24[NET]: Restore sanity wrt. print_mac().David S. Miller1-1/+2
MAC_FMT had only one user and we tried to get rid of that, but this created more problems than it solved. As a result, this reverts three commits: 235365f3aaaa10b7056293877c0ead50425f25c7 ("net/8021q/vlan_dev.c: Use print_mac."), fea5fa875eb235dc186b1f5184eb36abc63e26cc ("[NET]: Remove MAC_FMT"), and 8f789c48448aed74fe1c07af76de8f04adacec7d ("[NET]: Elminate spurious print_mac() calls.") Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-24cgroup: clean up cgroup.hLi Zefan1-25/+23
- replace old name 'cont' with 'cgrp' (Paul Menage did this cleanup for cgroup.c in commit bd89aabc6761de1c35b154fe6f914a445d301510) - remove a duplicate declaration of cgroup_path() Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-24cgroup: fix commentsLi Zefan1-1/+1
fix: - comments about need_forkexit_callback - comments about release agent - typo and comment style, etc. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-24futex: runtime enable pi and robust functionalityThomas Gleixner1-0/+1
Not all architectures implement futex_atomic_cmpxchg_inatomic(). The default implementation returns -ENOSYS, which is currently not handled inside of the futex guts. Futex PI calls and robust list exits with a held futex result in an endless loop in the futex code on architectures which have no support. Fixing up every place where futex_atomic_cmpxchg_inatomic() is called would add a fair amount of extra if/else constructs to the already complex code. It is also not possible to disable the robust feature before user space tries to register robust lists. Compile time disabling is not a good idea either, as there are already architectures with runtime detection of futex_atomic_cmpxchg_inatomic support. Detect the functionality at runtime instead by calling cmpxchg_futex_value_locked() with a NULL pointer from the futex initialization code. This is guaranteed to fail, but the call of futex_atomic_cmpxchg_inatomic() happens with pagefaults disabled. On architectures, which use the asm-generic implementation or have a runtime CPU feature detection, a -ENOSYS return value disables the PI/robust features. On architectures with a working implementation the call returns -EFAULT and the PI/robust features are enabled. The relevant syscalls return -ENOSYS and the robust list exit code is blocked, when the detection fails. Fixes http://lkml.org/lkml/2008/2/11/149 Originally reported by: Lennart Buytenhek Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Lennert Buytenhek <buytenh@wantstofly.org> Cc: Riku Voipio <riku.voipio@movial.fi> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-24efs: move headers out of include/linux/Christoph Hellwig3-166/+0
Merge include/linux/efs_fs{_i,_dir}.h into fs/efs/efs.h. efs_vh.h remains there because this is the IRIX volume header and shouldn't really be handled by efs but by the partitioning code. efs_sb.h remains there for now because it's exported to userspace. Of course this wrong and aboot should have a copy of it's own, but I'll leave that to a separate patch to avoid any contention. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-24NOMMU: is_vmalloc_addr() won't compile if !MMUDavid Howells1-0/+2
Make is_vmalloc_addr() contingent on CONFIG_MMU=y, as it won't compile in !MMU mode. [ Bug introduced in commit 9e2779fa281cfda13ac060753d674bbcaa23367e: "is_vmalloc_addr(): Check if an address is within the vmalloc boundaries" ]. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Greg Ungerer <gerg@snapgear.com> Cc: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-24sparc: fix buildDavid Rientjes1-3/+0
Fix build failure on sparc: In file included from include/linux/mm.h:39, from include/linux/memcontrol.h:24, from include/linux/swap.h:8, from include/linux/suspend.h:7, from init/do_mounts.c:6: include/asm/pgtable.h:344: warning: parameter names (without types) in function declaration include/asm/pgtable.h:345: warning: parameter names (without types) in function declaration include/asm/pgtable.h:346: error: expected '=', ',', ';', 'asm' or '__attribute__' before '___f___swp_entry' viro sayeth: I've run allmodconfig builds on a bunch of target, FWIW (essentially the same patch). Note that these includes are recent addition caused by added inline function that had since then become a define. So while I agree with your comments in general, in _this_ case it's pretty safe. The commit that had done it is 3062fc67dad01b1d2a15d58c709eff946389eca4 ("memcontrol: move mm_cgroup to header file") and the switch to #define is in commit 60c12b1202a60eabb1c61317e5d2678fcea9893f ("memcontrol: add vm_match_cgroup()") (BTW, that probably warranted mentioning in the changelog of the latter). Cc: Adrian Bunk <bunk@kernel.org> Cc: Robert Reif <reif@earthlink.net> Signed-off-by: David Rientjes <rientjes@google.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23PM: Introduce PM_EVENT_HIBERNATE callback stateRafael J. Wysocki1-1/+8
During the last step of hibernation in the "platform" mode (with the help of ACPI) we use the suspend code, including the devices' ->suspend() methods, to prepare the system for entering the ACPI S4 system sleep state. But at least for some devices the operations performed by the ->suspend() callback in that case must be different from its operations during regular suspend. For this reason, introduce the new PM event type PM_EVENT_HIBERNATE and pass it to the device drivers' ->suspend() methods during the last phase of hibernation, so that they can distinguish this case and handle it as appropriate. Modify the drivers that handle PM_EVENT_SUSPEND in a special way and need to handle PM_EVENT_HIBERNATE in the same way. These changes are necessary to fix a hibernation regression related to the i915 driver (ref. http://lkml.org/lkml/2008/2/22/488). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Tested-by: Jeff Chua <jeff.chua.linux@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-22MM: Fix macro argument substitution in PageHead() and PageTail()David Howells1-2/+2
Fix macro argument substitution in PageHead() and PageTail() - 'page' should have brackets surrounding it (commit 6d7779538f765963ced45a3fa4bed7ba8d2c277d). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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