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* [NET]: Restore sanity wrt. print_mac().David S. Miller2008-02-23
| | | | | | | | | | | | | | 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>
* ssb: Fix pcicore cardbus modeMichael Buesch2008-02-20
| | | | | | | | This fixes the pcicore driver to not die a horrible crash death when inserting a cardbus card. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Make the GPIO API reentrancy safeMichael Buesch2008-02-20
| | | | | | | This fixes the GPIO API to be reentrancy safe. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Fix the GPIO APIMichael Buesch2008-02-20
| | | | | | | This fixes the GPIO API to be usable. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Fix watchdog access for devices without a chipcommonMichael Buesch2008-02-20
| | | | | | | | This fixes the SSB watchdog access for devices without a chipcommon. These devices have the watchdog on the extif. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Fix serial console on new bcm47xx devicesMichael Buesch2008-02-20
| | | | | | | | This fixes the baud settings for new devices like the Linksys WRT350n. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [NETFILTER]: Use __u32 in struct nf_inet_addrPatrick McHardy2008-02-19
| | | | | | | | As reported by David Woodhouse <dwmw2@infradead.org>, using u_int32_t in struct nf_inet_addr breaks the busybox build. Fix by using __u32. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: xt_hashlimit: remove unneeded struct memberJan Engelhardt2008-02-19
| | | | | | | | | | | By allocating ->hinfo, we already have the needed indirection to cope with the per-cpu xtables struct match_entry. [Patrick: do this now before the revision 1 struct is used by userspace] Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Make sure xt_policy.h is unifdef'ed.Robert P. J. Day2008-02-19
| | | | | | | | | Since the header file xt_policy.h tests __KERNEL__, it should be unifdef'ed before exporting to userspace. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: fix kernel-doc warnings in header filesRandy Dunlap2008-02-18
| | | | | | | | | | | Add missing structure kernel-doc descriptions to sock.h & skbuff.h to fix kernel-doc warnings. (I think that Stephen H. sent a similar patch, but I can't find it. I just want to kill the warnings, with either patch.) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Elminate spurious print_mac() calls.David S. Miller2008-02-18
| | | | | | | | | | Patrick McHardy notes that print_mac() can get invoked even if the result it unused (f.e. as an argument to pr_debug() when DEBUG is not defined). Mark this function as "__pure" to eliminate this problem. Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Remove MAC_FMTJoe Perches2008-02-18
| | | | | | | MAC_FMT is no longer used Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Improve cache line coherency of ingress qdiscNeil Turton2008-02-13
| | | | | | | | | Move the ingress qdisc members of struct net_device from the transmit cache line to the receive cache line to avoid cache line ping-pong. These members are only used on the receive path. Signed-off-by: Neil Turton <nturton@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'upstream-davem' of ↵David S. Miller2008-02-12
|\ | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
| * DM9000: Add platform flag for no attached EEPROMBen Dooks2008-02-11
| | | | | | | | | | | | | | | | | | | | Allow the platform data to specify to the DM9000 driver that there is no posibility of an attached EEPROM on the device, so default all reads to 0xff and ignore any write operations. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * DM9000: Add platform data to specify external phyBen Dooks2008-02-11
| | | | | | | | | | | | | | | | | | | | | | Patch from: Laurent Pinchart <laurentp@cse-semaphore.com> This patch adds a flag to the DM9000 platform data which, when set, configures the device to use an external PHY. Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com> Signed-off-by: Ben Dooks <ben-linuy@fluff.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | mempolicy: silently restrict nodemask to allowed nodesKOSAKI Motohiro2008-02-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kosaki Motohito noted that "numactl --interleave=all ..." failed in the presence of memoryless nodes. This patch attempts to fix that problem. Some background: numactl --interleave=all calls set_mempolicy(2) with a fully populated [out to MAXNUMNODES] nodemask. set_mempolicy() [in do_set_mempolicy()] calls contextualize_policy() which requires that the nodemask be a subset of the current task's mems_allowed; else EINVAL will be returned. A task's mems_allowed will always be a subset of node_states[N_HIGH_MEMORY] i.e., nodes with memory. So, a fully populated nodemask will be declared invalid if it includes memoryless nodes. NOTE: the same thing will occur when running in a cpuset with restricted mem_allowed--for the same reason: node mask contains dis-allowed nodes. mbind(2), on the other hand, just masks off any nodes in the nodemask that are not included in the caller's mems_allowed. In each case [mbind() and set_mempolicy()], mpol_check_policy() will complain [again, resulting in EINVAL] if the nodemask contains any memoryless nodes. This is somewhat redundant as mpol_new() will remove memoryless nodes for interleave policy, as will bind_zonelist()--called by mpol_new() for BIND policy. Proposed fix: 1) modify contextualize_policy logic to: a) remember whether the incoming node mask is empty. b) if not, restrict the nodemask to allowed nodes, as is currently done in-line for mbind(). This guarantees that the resulting mask includes only nodes with memory. NOTE: this is a [benign, IMO] change in behavior for set_mempolicy(). Dis-allowed nodes will be silently ignored, rather than returning an error. c) fold this code into mpol_check_policy(), replace 2 calls to contextualize_policy() to call mpol_check_policy() directly and remove contextualize_policy(). 2) In existing mpol_check_policy() logic, after "contextualization": a) MPOL_DEFAULT: require that in coming mask "was_empty" b) MPOL_{BIND|INTERLEAVE}: require that contextualized nodemask contains at least one node. c) add a case for MPOL_PREFERRED: if in coming was not empty and resulting mask IS empty, user specified invalid nodes. Return EINVAL. c) remove the now redundant check for memoryless nodes 3) remove the now redundant masking of policy nodes for interleave policy from mpol_new(). 4) Now that mpol_check_policy() contextualizes the nodemask, remove the in-line nodes_and() from sys_mbind(). I believe that this restores mbind() to the behavior before the memoryless-nodes patch series. E.g., we'll no longer treat an invalid nodemask with MPOL_PREFERRED as local allocation. [ Patch history: v1 -> v2: - Communicate whether or not incoming node mask was empty to mpol_check_policy() for better error checking. - As suggested by David Rientjes, remove the now unused cpuset_nodes_subset_current_mems_allowed() from cpuset.h v2 -> v3: - As suggested by Kosaki Motohito, fold the "contextualization" of policy nodemask into mpol_check_policy(). Looks a little cleaner. ] Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Tested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Prevent IDE boot ops on NUMA systemAndi Kleen2008-02-11
| | | | | | | | | | | | | | | | | | | | | | | | | | Without this patch a Opteron test system here oopses at boot with current git. Calling to_pci_dev() on a NULL pointer gives a negative value so the following NULL pointer check never triggers and then an illegal address is referenced. Check the unadjusted original device pointer for NULL instead. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'for-linus' of git://linux-nfs.org/~bfields/linuxLinus Torvalds2008-02-11
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://linux-nfs.org/~bfields/linux: SUNPRC: Fix printk format warning nfsd: clean up svc_reserve_auth() NLM: don't requeue block if it was invalidated while GRANT_MSG was in flight NLM: don't reattempt GRANT_MSG when there is already an RPC in flight NLM: have server-side RPC clients default to soft RPC tasks NLM: set RPC_CLNT_CREATE_NOPING for NLM RPC clients
| * | nfsd: clean up svc_reserve_auth()J. Bruce Fields2008-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a void function attempting to return the return value from another void function, which seems harmless but extremely weird, and apparently makes some compilers complain. While we're there, clean up a little (e.g. the switch statement had a minor style problem and seemed overkill as long as there's only one case). Thanks to Trond for noticing this. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
* | | ide-disk: fix flush requests (take 2)Bartlomiej Zolnierkiewicz2008-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 813a0eb233ee67d7166241a8b389b6a76f2247f9 Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Date: Fri Jan 25 22:17:10 2008 +0100 ide: switch idedisk_prepare_flush() to use REQ_TYPE_ATA_TASKFILE requests ... broke flush requests. Allocating IDE command structure on the stack for flush requests is not a very brilliant idea: - idedisk_prepare_flush() only prepares the request and it doesn't wait for it to be completed - there are can be multiple flush requests queued in the queue Fix the problem (per hints from James Bottomley) by: - dynamically allocating ide_task_t instance using kmalloc(..., GFP_ATOMIC) - adding new taskfile flag (IDE_TFLAG_DYN) - calling kfree() in ide_end_drive_command() if IDE_TFLAG_DYN is set (while at it rename 'args' to 'task' and fix whitespace damage) [ This will be fixed properly before 2.6.25 but this bug is rather critical and the proper solution requires some more work + testing. ] Thanks to Sebastian Siewior and Christoph Hellwig for reporting the problem and testing patches (extra thanks to Sebastian for bisecting it to the guilty commmit). Tested-by: Sebastian Siewior <ide-bug@ml.breakpoint.cc> Cc: Christoph Hellwig <hch@infradead.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Tejun Heo <htejun@gmail.com> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* | | ide: introduce CONFIG_BLK_DEV_IDEDMA_SFF optionSergei Shtylyov2008-02-10
| |/ |/| | | | | | | | | | | | | | | | | Introduce new option CONFIG_BLK_DEV_IDEDMA_SFF for non-PCI SFF-8038i compatible bus mastering IDE controllers (which there are a few known), thus fixing a hack made for Palmchip BK3710 controller... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Anton Salnikov <asalnikov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* | Change pci_raw_ops to pci_raw_read/writeMatthew Wilcox2008-02-10
| | | | | | | | | | | | | | | | | | | | We want to allow different implementations of pci_raw_ops for standard and extended config space on x86. Rather than clutter generic code with knowledge of this, we make pci_raw_ops private to x86 and use it to implement the new raw interface -- raw_pci_read() and raw_pci_write(). Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | hrtimer: fix *rmtp handling in hrtimer_nanosleep()Oleg Nesterov2008-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Spotted by Pavel Emelyanov and Alexey Dobriyan. hrtimer_nanosleep() sets restart_block->arg1 = rmtp, but this rmtp points to the local variable which lives in the caller's stack frame. This means that if sys_restart_syscall() actually happens and it is interrupted as well, we don't update the user-space variable, but write into the already dead stack frame. Introduced by commit 04c227140fed77587432667a574b14736a06dd7f hrtimer: Rework hrtimer_nanosleep to make sys_compat_nanosleep easier Change the callers to pass "__user *rmtp" to hrtimer_nanosleep(), and change hrtimer_nanosleep() to use copy_to_user() to actually update *rmtp. Small problem remains. man 2 nanosleep states that *rtmp should be written if nanosleep() was interrupted (it says nothing whether it is OK to update *rmtp if nanosleep returns 0), but (with or without this patch) we can dirty *rem even if nanosleep() returns 0. NOTE: this patch doesn't change compat_sys_nanosleep(), because it has other bugs. Fixed by the next patch. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Alexey Dobriyan <adobriyan@sw.ru> Cc: Michael Kerrisk <mtk.manpages@googlemail.com> Cc: Pavel Emelyanov <xemul@sw.ru> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Toyo Abe <toyoa@mvista.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> include/linux/hrtimer.h | 2 - kernel/hrtimer.c | 51 +++++++++++++++++++++++++----------------------- kernel/posix-timers.c | 14 +------------ 3 files changed, 30 insertions(+), 37 deletions(-)
* | ntp: correct inconsistent interval/tick_length usagejohn stultz2008-02-10
| | | | | | | | | | | | | | | | | | | | | | | | | | clocksource initialization and error accumulation. This corrects a 280ppm drift seen on some systems using acpi_pm, and affects other clocksources as well (likely to a lesser degree). Signed-off-by: John Stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-02-10
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (28 commits) [NET_SCHED] sch_htb: htb_requeue fix [IPV6]: Replace using the magic constant "1024" with IP6_RT_PRIO_USER for fc_metric. starfire: secton fix via-velocity: section fix natsemi: section fix typhoon: section fix isdn: fix section mismatch warning for ISACVer isdn: fix section mismatch warnings from hisax_cs_setup_card isdn: fix section mismatch warnings in isac.c and isar.c isdn: fix section mismatch warning in hfc_sx.c [PKT_SCHED] ematch: tcf_em_destroy robustness [PKT_SCHED]: deinline functions in meta match [SCTP]: Convert sctp_dbg_objcnt to seq files. [SCTP]: Use snmp_fold_field instead of a homebrew analogue. [IGMP]: Optimize kfree_skb in igmp_rcv. [KEY]: Convert net/pfkey to use seq files. [KEY]: Clean up proc files creation a bit. pppol2tp: fix printk warnings bnx2: section fix bnx2x: section fix ...
| * \ Merge branch 'pending' of ↵David S. Miller2008-02-09
| |\ \ | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/vxy/lksctp-dev
| | * | [SCTP]: Stop claiming that this is a "reference implementation"Vlad Yasevich2008-02-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I was notified by Randy Stewart that lksctp claims to be "the reference implementation". First of all, "the refrence implementation" was the original implementation of SCTP in usersapce written ty Randy and a few others. Second, after looking at the definiton of 'reference implementation', we don't really meet the requirements. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds2008-02-10
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (32 commits) x86: cpa, strict range check in try_preserve_large_page() x86: cpa, enable CONFIG_DEBUG_PAGEALLOC on 64-bit x86: cpa, use page pool x86: introduce page pool in cpa x86: DEBUG_PAGEALLOC: enable after mem_init() brk: help text typo fix lguest: accept guest _PAGE_PWT page table entries x86 PM: update stale comments x86 PM: consolidate suspend and hibernation code x86 PM: rename 32-bit files in arch/x86/power x86 PM: move 64-bit hibernation files to arch/x86/power x86: trivial printk optimizations x86: fix early_ioremap pagetable ops x86: construct 32-bit boot time page tables in native format. x86, core: remove CONFIG_FORCED_INLINING x86: avoid unused variable warning in mm/init_64.c x86: fixup more paravirt fallout brk: document randomize_va_space and CONFIG_COMPAT_BRK (was Re: x86: fix sparse warnings in acpi/bus.c x86: fix sparse warning in topology.c ...
| * | | | x86, core: remove CONFIG_FORCED_INLININGHarvey Harrison2008-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Other than the defconfigs, remove the entry in compiler-gcc4.h, Kconfig.debug and feature-removal-schedule.txt. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | | | | ext4: Add new "development flag" to the ext4 filesystemTheodore Tso2008-02-10
|/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This flag is simply a generic "this is a crash/burn test filesystem" marker. If it is set, then filesystem code which is "in development" will be allowed to mount the filesystem. Filesystem code which is not considered ready for prime-time will check for this flag, and if it is not set, it will refuse to touch the filesystem. As we start rolling ext4 out to distro's like Fedora, et. al, this makes it less likely that a user might accidentally start using ext4 on a production filesystem; a bad thing, since that will essentially make it be unfsckable until e2fsprogs catches up. Signed-off-by: Theodore Tso <tytso@MIT.EDU> Signed-off-by: Mingming Cao <cmm@us.ibm.com>
* | | | Merge branch 'release' of ↵Linus Torvalds2008-02-09
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: Merge branches 'release' and 'buildfix' into release acer-wmi - Add documentation sonypi - Move sonypi.txt to Documentation/laptops sony-laptop - Move sony-laptop.txt to Documentation/laptops thinkpad-acpi - Move thinkpad-acpi.txt to Documentation/laptops Documentation - Create laptops sub-directory ACPI: thermal: buildfix for CONFIG_THERMAL=n cpuidle: build fix for non-x86 acer-wmi: Fix backlight on AMW0 (V1) laptops tc1100-wmi: Mark as experimental ACPI: SBS: Host controller must initialize before SBS.
| * | | | ACPI: thermal: buildfix for CONFIG_THERMAL=nLen Brown2008-02-09
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes the build, but acpi_fan_add() still needs to be updated to handle thermal_cooling_device_register() returning NULL as a non-fatal condition. Signed-off-by: Len Brown <len.brown@intel.com>
* | | | memstick: initial commit for Sony MemoryStick supportAlex Dubov2008-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sony MemoryStick cards are used in many products manufactured by Sony. They are available both as storage and as IO expansion cards. Currently, only MemoryStick Pro storage cards are supported via TI FlashMedia MemoryStick interface. [mboton@gmail.com: biuld fix] [akpm@linux-foundation.org: build fix] Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Miguel Boton <mboton@gmail.co> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | memcontrol: add vm_match_cgroup()David Rientjes2008-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | mm_cgroup() is exclusively used to test whether an mm's mem_cgroup pointer is pointing to a specific cgroup. Instead of returning the pointer, we can just do the test itself in a new macro: vm_match_cgroup(mm, cgroup) returns non-zero if the mm's mem_cgroup points to cgroup. Otherwise it returns zero. Signed-off-by: David Rientjes <rientjes@google.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | Fix compile error on nommu for is_swap_pteMatt Mackall2008-02-09
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CC mm/vmscan.o In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/mm/vmscan.c:44: /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swapops.h: In function 'is_swap_pte': /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swapops.h:48: error: implicit declaration of function 'pte_none' /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swapops.h:48: error: implicit declaration of function 'pte_present' Does it ever make sense to ask "is this pte a swap entry?" on a machine with no MMU? Presumably this also means it has no ptes too, right? In which case, it's better to comment the whole function out. Then when someone tries to ask the above meaningless question, they get a compile error rather than a meaningless answer. Signed-off-by: Matt Mackall <mpm@selenic.com> Cc: Mike Frysinger <vapier@gentoo.org> Reported-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2008-02-08
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/core: Remove unused struct ib_device.flags member IB/core: Add IP checksum offload support IPoIB: Add send gather support IPoIB: Add high DMA feature flag IB/mlx4: Use multiple WQ blocks to post smaller send WQEs mlx4_core: Clean up struct mlx4_buf mlx4_core: For 64-bit systems, vmap() kernel queue buffers IB/mlx4: Consolidate code to get an entry from a struct mlx4_buf
| * | | IB/mlx4: Use multiple WQ blocks to post smaller send WQEsJack Morgenstein2008-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ConnectX HCA supports shrinking WQEs, so that a single work request can be made of multiple units of wqe_shift. This way, WRs can differ in size, and do not have to be a power of 2 in size, saving memory and speeding up send WR posting. Unfortunately, if we do this then the wqe_index field in CQEs can't be used to look up the WR ID anymore, so our implementation does this only if selective signaling is off. Further, on 32-bit platforms, we can't use vmap() to make the QP buffer virtually contigious. Thus we have to use constant-sized WRs to make sure a WR is always fully within a single page-sized chunk. Finally, we use WRs with the NOP opcode to avoid wrapping around the queue buffer in the middle of posting a WR, and we set the NoErrorCompletion bit to avoid getting completions with error for NOP WRs. However, NEC is only supported starting with firmware 2.2.232, so we use constant-sized WRs for older firmware. And, since MLX QPs only support SEND, we use constant-sized WRs in this case. When stamping during NOP posting, do stamping following setting of the NOP WQE valid bit. Signed-off-by: Michael S. Tsirkin <mst@dev.mellanox.co.il> Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | | mlx4_core: Clean up struct mlx4_bufRoland Dreier2008-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that struct mlx4_buf.u is a struct instead of a union because of the vmap() changes, there's no point in having a struct at all. So move .direct and .page_list directly into struct mlx4_buf and get rid of a bunch of unnecessary ".u"s. Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | | mlx4_core: For 64-bit systems, vmap() kernel queue buffersJack Morgenstein2008-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since kernel virtual memory is not a problem on 64-bit systems, there is no reason to use our own 2-layer page mapping scheme for large kernel queue buffers on such systems. Instead, map the page list to a single virtually contiguous buffer with vmap(), so that can we access buffer memory via direct indexing. Signed-off-by: Michael S. Tsirkin <mst@dev.mellanox.co.il> Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
| * | | IB/mlx4: Consolidate code to get an entry from a struct mlx4_bufRoland Dreier2008-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We use struct mlx4_buf for kernel QP, CQ and SRQ buffers, and the code to look up an entry is duplicated in get_cqe_from_buf() and the QP and SRQ versions of get_wqe(). Factor this out into mlx4_buf_offset(). This will also make it easier to switch over to using vmap() for buffers. Signed-off-by: Roland Dreier <rolandd@cisco.com>
* | | | DCA: convert struct class_device to struct device.Kay Sievers2008-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Thanks to Kay for keeping us honest. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Cc: "Williams, Dan J" <dan.j.williams@intel.com> Acked-by: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2008-02-08
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://git.kernel.dk/linux-2.6-block: Enhanced partition statistics: documentation update Enhanced partition statistics: remove old partition statistics Enhanced partition statistics: procfs Enhanced partition statistics: sysfs Enhanced partition statistics: aoe fix Enhanced partition statistics: update partition statitics Enhanced partition statistics: core statistics block: fixup rq_init() a bit Manually fixed conflict in drivers/block/aoe/aoecmd.c due to statistics support.
| * | | | Enhanced partition statistics: remove old partition statisticsJerome Marchand2008-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Removes the now unused old partition statistic code. Signed-off-by: Jerome Marchand <jmarchan@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | | | Enhanced partition statistics: update partition statiticsJerome Marchand2008-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Updates the enhanced partition statistics in generic block layer besides the disk statistics. Signed-off-by: Jerome Marchand <jmarchan@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | | | Enhanced partition statistics: core statisticsJerome Marchand2008-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch contain the core infrastructure of enhanced partition statistics. It adds to struct hd_struct the same stats data as struct gendisk and define basics function to manipulate them. Signed-off-by: Jerome Marchand <jmarchan@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| * | | | block: fixup rq_init() a bitJens Axboe2008-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rearrange fields in cache order and initialize some fields that we didn't previously init. Remove init of ->completion_data, it's part of a union with ->hash. Luckily clearing the rb node is the same as setting it to null! Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-02-08
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits) [IPSEC] flow: reorder "struct flow_cache_entry" and remove SLAB_HWCACHE_ALIGN [DECNET] ROUTE: remove unecessary alignment [IPSEC]: Add support for aes-ctr. [ISDN]: fix section mismatch warning in enpci_card_msg [TIPC]: declare proto_ops structures as 'const'. [TIPC]: Kill unused static inline (x5) [TC]: oops in em_meta [IPV6] Minor cleanup: remove unused definitions in net/ip6_fib.h [IPV6] Minor clenup: remove two unused definitions in net/ip6_route.h [AF_IUCV]: defensive programming of iucv_callback_txdone [AF_IUCV]: broken send_skb_q results in endless loop [IUCV]: wrong irq-disabling locking at module load time [CAN]: Minor clean-ups [CAN]: Move proto_{,un}register() out of spin-locked region [CAN]: Clean up module auto loading [IPSEC] flow: Remove an unnecessary ____cacheline_aligned [IPV4]: route: fix crash ip_route_input [NETFILTER]: xt_iprange: add missing #include [NETFILTER]: xt_iprange: fix typo in address family [NETFILTER]: nf_conntrack: fix ct_extend ->move operation ...
| * | | | | [IPSEC]: Add support for aes-ctr.Joy Latten2008-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The below patch allows IPsec to use CTR mode with AES encryption algorithm. Tested this using setkey in ipsec-tools. Signed-off-by: Joy Latten <latten@austin.ibm.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | | CONFIG_HIGHPTE vs. sub-page page tables.Martin Schwidefsky2008-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Background: I've implemented 1K/2K page tables for s390. These sub-page page tables are required to properly support the s390 virtualization instruction with KVM. The SIE instruction requires that the page tables have 256 page table entries (pte) followed by 256 page status table entries (pgste). The pgstes are only required if the process is using the SIE instruction. The pgstes are updated by the hardware and by the hypervisor for a number of reasons, one of them is dirty and reference bit tracking. To avoid wasting memory the standard pte table allocation should return 1K/2K (31/64 bit) and 2K/4K if the process is using SIE. Problem: Page size on s390 is 4K, page table size is 1K or 2K. That means the s390 version for pte_alloc_one cannot return a pointer to a struct page. Trouble is that with the CONFIG_HIGHPTE feature on x86 pte_alloc_one cannot return a pointer to a pte either, since that would require more than 32 bit for the return value of pte_alloc_one (and the pte * would not be accessible since its not kmapped). Solution: The only solution I found to this dilemma is a new typedef: a pgtable_t. For s390 pgtable_t will be a (pte *) - to be introduced with a later patch. For everybody else it will be a (struct page *). The additional problem with the initialization of the ptl lock and the NR_PAGETABLE accounting is solved with a constructor pgtable_page_ctor and a destructor pgtable_page_dtor. The page table allocation and free functions need to call these two whenever a page table page is allocated or freed. pmd_populate will get a pgtable_t instead of a struct page pointer. To get the pgtable_t back from a pmd entry that has been installed with pmd_populate a new function pmd_pgtable is added. It replaces the pmd_page call in free_pte_range and apply_to_pte_range. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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