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29223
add ppp mppe and IPV6 RFC3484
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The purpose of this page is tracking and explaining the features added in every release, just like the [http://wiki.dragonflybsd.org/index.php/DragonFly_Status Dragonfly people did]. | Comprehensible changelog of the linux kernel, inspired by [http://wiki.dragonflybsd.org/index.php/DragonFly_Status Dragonfly's status]. Other places to get news about the linux kernel are [http://www.kernel-traffic.org Kernel traffic], [http://lwn.net/Kernel/ LWN kernel status], [http://lwn.net/Articles/driver-porting/ LWN driver porting guide] and [http://lwn.net/Articles/2.6-kernel-api/ LWN list of API changes in 2.6] - many articles here link to LWN and much of the 2.6.x changelog was restored from them (you may be be interested in subscribing so Jonathan can keep up the good work ;) ). Before adding things here look at the RULES section at the end of the page!! |
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It'd be nice if kernel hackers would spend some minutes adding their stuff here. The one place where you can find a comparable changelog are the fabulous LWN kernel articles: http://lwn.net/Kernel/ (without those we wouldn't be able to cover many old 2.6.x releases), or the [http://lwn.net/Articles/driver-porting/ driver porting guide] - but there's no reason why the kernel community shouldn't embrace and extend those efforts ;) | This page tracks the current stable and development releases. Changes made to older 2.6.x releases can be found in the Linux26Changes page |
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Rules: * Name of the new feature/description of the change, including a small explanation if possible * If its a feature and the feature has some web page add a link to it * If there's a paper (OLS!) or an article add a link to it. Or write one ;) * If there's a interesting mail (benchmarks, announcements if there's no web page, etc) about it in the mailing list, get a link in one of the list's archives and add the link here * Add commit's link if possible (search them [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=log here)] |
===== 2.6.15 ===== * '''STILL NOT RELEASED!''' * VFS changes: The "shared subtree" patches have been merged. Consider the following situation: a process wants to clone its own namespace, but still wants to access the CD that got mounted recently. Shared subtree semantics provide the necessary mechanism to accomplish the above. It provides the necessary building blocks for features like per-user-namespace and versioned filesystem. [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/sharedsubtree.txt Documentation], original [http://marc.theaimsgroup.com/?l=linux-fsdevel&m=110565591630267&w=2 Alexander Viro's RFC]. Patches: * [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=07b20889e3052c7e77d6a6a54e7e83446eb1ba8 beginning of the shared-subtree proper]: A private mount does not forward or receive propagation. This patch provides user the ability to convert any mount to private * [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=03e06e68ff76294e53ffa898cb844d2a997b043e introduce shared mounts]: This creates shared mounts. A shared mount when bind-mounted to some mountpoint, propagates mount/umount events to each other. All the shared mounts that propagate events to each other belong to the same peer-group. * [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a58b0eb8e64b78d9315a5491955e78b1391d42e5 introduce slave mounts]: A slave mount always has a master mount from which it receives mount/umount events. Unlike shared mount the event propagation does not flow from the slave mount to the master. * [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5afe00221389998a25d611dc7941c06580c29eb6 handling of shared mounts]: This makes bind, rbind, move, clone namespace and umount operations aware of the semantics of slave mount * [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b90fa9ae8f51f098ee480bbaabd6867992e9fc58 shared mount handling: bind and rbind]: Implement handling of MS_BIND in presense of shared mounts * [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9676f0c6389b62bd6b24d77d4b3abdbcfa32d0f2 unbindable mounts]: An unbindable mount does not forward or receive propagation. Bind semantics: It is invalid to bind mount an unbindable mount. Move semantics: It is invalid to move an unbindable mount under shared mount. Clone-namespace semantics: If a mount is unbindable in the parent namespace, the corresponding cloned mount in the child namespace becomes unbindable too. Note: there is subtle difference, unbindable mounts cannot be bind mounted but can be cloned during clone-namespace. * [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2144440327fa01b2f3f65e355120a78211685702 shared mount handling: move]: Implement handling of mount --move in presense of shared mounts * [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a05964f3917c7c55368c229d7985f8e7c9977e97 shared mount handling: umount]: An unmount of a mount creates a umount event on the parent. If the parent is a shared mount, it gets propagated to all mounts in the peer group * Page table scalability improvements: Currently, a single page table lock is used to protect all operations on an address space's page tables. This has been detected to cause scalability problems in largue multiprocessor systems ej: 512-cpu SGI altix, specially in heavily multithreaded workloads (threads of a same process share the same address space and hence the same page table lock). With this patch, a separate spinlock per page-table page is used, to guard the page table entries in that page. Splitting the lock is not quite for free: another cacheline access. So for now enable it by config for machines with 4 or more CPUs. While this (and many other scalability changes) may look high-end oriented now, remember that cheap multi-core desktops CPUs are there. [http://lwn.net/Articles/157151/ (LWN article)] [http://marc.theaimsgroup.com/?l=linux-kernel&m=112603203327134&w=2 (benchmark vs SGI's "reduced locking by using atomic page table operations" non-merged approach)] [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4c21e2f2441dc5fbb957b030333f5a3f2d02dea7 (commit)] * .text page fault SMP scalability optimization: This fixes a case where large systems wouldn't scale well while faulting in the .text. The reason was a useless overwrite of the same pte from all cpu [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1a44e149084d772a1bcf4cdbdde8a013a8a1cfde (commit)] * Swaptoken tuning: It turns out that the original swap token implementation, by Song Jiang, only enforced the swap token while the task holding the token is handling a page fault, this patch approximates that, like the page fault code does. It has the effect of automatically, and gradually, disabling the enforcement of the swap token when there is little or no paging going on, and "turning up" the intensity of the swap token code the more the task holding the token is thrashing [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fcdae29aa7a5c79f245110f6680afdc1858d3626 (commit)] * Demand faulting for huge pages [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4c887265977213985091476be40ab11dfdcb4caf (commit)] * Add generic memory add/remove and supporting functions for memory hotplug [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3947be1969a9ce455ec30f60ef51efb10e4323d1 (commit)] * "Cooperating processes" for the anticipatory I/O scheduler: Introduce the notion of cooperating processes (those that submit requests close to one another), and use these statistics to make better choices about whether or not to do anticipatory waiting [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f5b3db0017f8415301f3427b30263186e8478c3f (commit)] * Generic dispatch queue: Implements generic dispatch queue which can replace all dispatch queues implemented by each iosched [http://marc.theaimsgroup.com/?l=linux-kernel&m=112238633622498&w=2 (mailing list)] [http://lwn.net/Articles/157208/ (LWN article)] [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8922e16cf6269e668123acb1ae1fdc62b7a3a4fc (commit)] * Reimplement elevator online switching code [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cb98fc8bb9c141009e2bda99c0db39d387e142cf (commit)] * IPv4/IPv6: UFO (UDP Fragmentation Offload) Scatter-gather approach: UFO is a feature wherein the Linux kernel network stack will offload the IP fragmentation functionality of large UDP datagram to hardware. This will reduce the overhead of stack in fragmenting the large UDP datagram to MTU sized packets [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e89e9cf539a28df7d0eb1d0a545368e9920b34ac (commit)] * PPP MPPE encryption module, it implements the Microsoft Point-to-Point Encryption method as a PPP compressor/decompressor. This is necessary for Linux clients and servers to interoperate with Microsoft Point-to-Point Tunneling Protocol (PPTP) servers (either Microsoft PPTP servers or the poptop project) which use MPPE to encrypt data when creating a VPN [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b3f9b92a6ec1a9a5e4b4b36e484f2f62cc73277c (commit)] * IPV6: RFC3484 compliant source address selection [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=072047e4de3800905e09d0f8ef0e1cc4e91a601e (commit)] * make /proc/mounts pollable [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5addc5dd8836aa061f6efc4a0d9ba6323726297a (commit)] * ppc64: support 64k pages. Adds a new CONFIG_PPC_64K_PAGES which, when enabled, changes the kernel base page size to 64K. The resulting kernel still boots on any hardware. On current machines with 4K pages support only, the kernel will maintain 16 "subpages" for each 64K page transparently [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3c726f8dee6f55e96475574e9f645327e461884c (commit)] * ppc64: CPU freq support using 970FX powertune facility for iMac G5 and SMU based single CPU desktop [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4350147a816b9c5b40fa59e4fa23f17490630b79 (commit)] * ppc64: Adds the ability to the SMU driver to recover missing calibration partitions from the SMU chip itself. It also adds some dynamic mecanism to /proc/device-tree so that new properties are visible to userland [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=183d020258dfd08178a05c6793dae10409db8abb (commit)] * ppc64: This adds a new thermal control framework for PowerMac, along with the implementation for PowerMac8,1, PowerMac8,2 (iMac G5 rev 1 and 2), and PowerMac9,1 (latest single CPU desktop) [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=75722d3992f57375c0cc029dcceb2334a45ceff1 (commit)] * Add the infrastructure to support hotplug CPU on ARM [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a054a811597a17ffbe92bc4db04a4dc2f1b1ea55 (commit)] * Optimized SHA1 implementation for ARM [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c09f98271f685af349d3f0199360f1c0e85550e0 (commit)] * x86 hot plug CPU support of physical add of new processors (hotplug add/remove of already existing CPUs was already supported) [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9f40a72a7e819789f66910c8cd60aab005cdb413 (commit)] * Support for shared HPET interrupts: The driver previously acknowledged interrupts for both edge and level interrupts, but didn't actually allow a shared interrupt in the latter case [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0d29086177aaa1e7d14e6ebb7fc067b3ca6d5c11 (commit)] * Add LSM hooks for key management facilities (see link) [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=29db9190634067c5a328ee5fcc2890251b836b4b (commit)] * RCU torture-testing kernel module: This adds a tristate CONFIG_RCU_TORTURE_TEST, which enables an intense torture test of the RCU infratructure. This is needed for testing due to the continued changes to the RCU infrastructure [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a241ec65aeac3d69a08a7b153cccbdb7ea35063f (commit)] * Driver Core: add the ability for class_device structures to be nested: Allows struct class_device to be nested, so that another struct class_device can be the parent of a new one, instead of only having the struct class be the parent [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=51d172d5f3a193e4b8f76179b2e55d7a36b94117 (commit)] * Add vmalloc_node(size, node) (allocate necessary memory on the specified node) and get_vm_area_node(size, flags, node) [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=930fc45a49ddebe7555cc5c837d82b9c27e65ff4 (commit)] * Process Events Connector: It reports fork, exec, id change, and exit events for all processes to userspace. Applications that may find these events useful include accounting/auditing (e.g. ELSA), system activity monitoring (e.g. top), security, and resource management (e.g. CKRM) [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9f46080c41d5f3f7c00b4e169ba4b0b2865258bf (commit)] * Add sysfs support for ide tape [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d5dee80ad69439ad8dccf8fa4d7fed0068aec9cf (commit)] * Add "revision" support for having multiple revisions for each match/target in arp_tables and ip6_tables [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6b7d31fcdda5938e5d3f1f8b0922cc25aa200dfc (commit)] * Support for the Artemis and ATIK astronomical based USB CCD cameras [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c9c7746dd333c12f482af2f1e63ea7eafc7cd529 (commit)] * USB: delete the bluetty driver [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a6c82600d4058346ea6fd801bc21d7abcc1350d8 (commit)] * Nokia 7600/6230(i)/6170/66x0 DKU2 USB driver [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=50260b69bbec383058875de26dbde28b1a6f8d00 (commit)] * Nvidia Geforce 7800 series (7800, 7800 GTX, 7800 GO and 7800 GTX GO cards) framebuffer support [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7015faa7df829876a0f931cd18aa6d7c24a1b581 (commit)], Mystique AGP support [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=63921fbfbd87ec745e65d2e9aecdfdc9a4ce73f2 (commit)], add partial support for GMA900 within the i915GM chipset [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3a59026ba111d85b1a86af0f1c4e5a8ef1242d82 (commit)] * MPC8xx PCMCIA support (PowerPC 8xx series PCMCIA controller) [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=de957c89b7dadb3147e885d7b6eb9db73d0eea57 (commit)] * Adds a RapidIO subsystem to the kernel. RIO is a switched fabric interconnect used in higher-end embedded applications [http://www.rapidio.org http://www.rapidio.org] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=394b701ce4fbfde919a9bcbf84cb4820a7c6d47c (commit)] * Support for SA1100 Jornada flash device support [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=183e1a349466a1b90430a58f3efad25a3e555cb2 (commit)] * Resurrect Cobalt (MIPS-based) support for 2.6 [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c4ed38a0c6e2e5c4906296758f816ee71373792f (commit)] * Base Au1200 (MIPS-based) 2.6 support [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e3ad1c23ba72214669b364c6fa304531dc768c3e (commit)] * Add support for BCM1480 family of chips (MIPS-based) [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f137e463b50aadba91bd116f99c59ccb9c15a12f (commit)] * Support for sharp zaurus sl-5500 touchscreen [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1753298947afe5eb56da755bc057f1868f345ec1 (commit)] and its PCMCIA slot [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=77bb86a1b9f8b872d8efc33c4f4359f809220252 (commit)] * Add support for the Sharp SL-6000x (Tosa) series of PDAs [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8459c159f7de832eaf888398d2abf466c388dfa6 (commit)] * SuperHyway support for SH4-202 [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d5cb9783536a41df9f9cba5b0a1d78047ed787f7 (commit)] * Add support for the AMCC PowerPC 440SPe SoC, including PCI Express in root port mode [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b0f7b8bc57ee90138a7c429951457027a90c326f (commit)] * SHM_NORESERVE flags for shmget(): Similar to MAP_NORESERVE for shared memory segments. This is mainly to avoid abuse of OVERCOMMIT_ALWAYS and this flag is ignored for OVERCOMMIT_NEVER [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bf8f972d3a1daf969cf44f64cc36d53bfd76441f (commit)] ===== 2.6.14 ===== * Released October 27, 2005 [http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14 changelog] * Numa-aware slab allocator: It creates slabs on multiple nodes and manages slabs in such a way that locality of allocations is optimized. Each node has its own list of partial, free and full slabs. All object allocations for a node occur from node specific slab lists [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e498be7dafd72fd68848c1eef1575aa7c5d658df (commit - benchmarks)] * Lazy page table copies in fork() for VMAs without anonymous pages (the ones with anonymous pages are still copied): Defer copying of ptes until fault time when it is possible to reconstruct the pte from backing store, speeding up fork() greatly specially for processes using lots of shared memory [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d992895ba2b27cf5adf1ba0ad6d27662adc54c5e (commit)] * Add /proc/$PID/smaps: This file will shows how much memory is resident in each mapping. Useful for people who want to perform memory consumption analysis [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e070ad49f31155d872d8e96cab2142840993e3c0 (commit)] * Add /proc/$PID/numa_maps: This file will show on which nodes pages reside [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6e21c8f145f5052c1c2fb4a4b41bee01c848159b (commit)] * Lock-free file descriptor look-up [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ab2af1f5005069321c5d130f09cce577b03f43ef (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b835996f628eadb55c5fb222ba46fe9395bf73c7 (commit)] * Four-level page table support for the ppc64 architecture: extends the usable user address range to 44 bits (16T). [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e28f7faf05159f1cfd564596f5e6178edba6bd49 (commit)] * Support hotplug cpu on 32-bit SMP powermacs: When a cpu is off-lined, it is put into sleep mode with interrupts disabled. It can be on-lined again by asserting its soft-reset pin, which is connected to a GPIO pin [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=31139971b3dc9fbb2e8a8572fb81e6e8470f363a (commit)] * Add TASK_NONINTERACTIVE task state bit to the cpu scheduler: It can be used by blocking points to mark the task's wait as "non-interactive". This does not mean the task will be considered a CPU-hog - the wait will simply not have an effect on the waiting task's priority - positive or negative alike [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d79fc0fc6645b0cf5cd980da76942ca6d6300fa4 (commit)] * [http://www.ietf.org/rfc/rfc2637.txt PPTP] (Point-to-Point Tunneling Protocol) conntrack support and NAT helper added to allow proper management of multiple NAT'd PPTP connections. PPTP, a Microsoft-designed protocol, is used in many places to provide VPN access due to the native support in Microsoft Windows. [http://en.wikipedia.org/wiki/PPTP Wikipedia article] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=926b50f92a30090da2c1a8675de954c2d9b09732 (commit)] * DCCP: "Datagram Congestion Control Protocol". Datagram protocol (like UDP), but with a congestion control mechanism. [http://lwn.net/Articles/149756/ (LWN article)] Currently a [http://www.icir.org/kohler/dcp/draft-ietf-dccp-spec-11.txt RFC draft] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c (commit)] * Implement SKB fast cloning: Protocols that make extensive use of SKB cloning, for example TCP, eat at least 2 allocations per packet sent as a result. To cut the kmalloc() count in half, we implement a pre-allocation scheme wherein we allocate 2 sk_buff objects in advance, then use a simple reference count to free up the memory at the correct time [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d179cd12928443f3ec29cfbc3567439644bd0afc (commit)] * Add netlink connector: userspace <-> kernel space easy to use communication module which implements easy to use bidirectional message bus using netlink as its backend [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7672d0b54411371e0b6a831c1cb2f0ce615de6dc (commit)], also a "async connector mode" [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=acd042bb2de50d4e6fb969281a00cc8b8b71e46d (commit)] * IPV6: Support several new sockopt / ancillary data in Advanced API (RFC3542): IPV6_RECVPKTINFO, IPV6_PKTINFO, IPV6_RECVHOPOPTS, IPV6_HOPOPTS, IPV6_RECVDSTOPTS, IPV6_DSTOPTS, IPV6_RTHDRDSTOPTS, IPV6_RECVRTHDR, IPV6_RTHDR, IPV6_RECVHOPOPTS, IPV6_HOPOPTS, IPV6_{RECV,}TCLASS [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=333fad5364d6b457c8d837f7d05802d2aaf8a961 (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=41a1f8ea4fbfcdc4232f023732584aae2220de31 (commit)] * [http://fuse.sourceforge.net/ FUSE]: Allows to implement a fully functional filesystem in a userspace program [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d8a5ba45457e4a22aa39c939121efd7bb6c76672 (commit)] * [http://v9fs.sourceforge.net/ 9P support]: Linux port of the [http://www.cs.bell-labs.com/sys/doc/9.html Plan9]'s [http://plan9.bell-labs.com/sys/man/5/INDEX.html 9P protocol] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=93fa58cb831337fdf5d36b3b913441100a484dae (commit)] * [http://relayfs.sourceforge.net/ RelayFS]: Relayfs is just a bunch of per-cpu kernel buffers that can be efficiently written into from kernel code. These buffers are represented as files which can be mmap'ed and directly read from in user space. The purpose of this setup is to provide the simplest possible mechanism allowing potentially large amounts of data to be logged in the kernel and 'relayed' to user space." [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e82894f84dbba130ab46c97748c03647f8204f92 (commit)] * securityfs filesystem [http://lwn.net/Articles/153366/ (LWN article)] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b67dbf9d4c1987c370fd18fdc4cf9d8aaea604c2 (commit)] * Suspend support for CIFS filesystem [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ede1327ea4ca8019ec6df24b3e837def091c26b8 (commit)] * Enable atomic inode security labeling on ext3 and ext2: it enables atomic security labeling of newly created inodes by altering the fs code to invoke a new LSM hook to obtain the security attribute to apply to a newly created inode and to set up the incore inode security state during the inode creation transaction. This parallels the existing processing for setting ACLs on newly created inodes [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5e41ff9e0650f327a6c819841fa412da95d57319 (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=10f47e6a1b8b276323b652053945c87a63a5812d (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ac50960afa31877493add6d941d8402fa879c452 (commit)] * SELinux memory improvements: Reduce access rules memory usage by 20x [http://www.livejournal.com/users/james_morris/6197.html James Morris explanation] [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=782ebb992ec20b5afdd5786ee8c2f1b58b631f24 (commit)] * NTFS: Support journals ($Logfile) which have been modified by chkdsk. This means users can boot into Windows after we marked the volume dirty. The Windows boot will run chkdsk and then reboot. The user can then immediately boot into Linux rather than having to do a full Windows boot first before rebooting into Linux [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e7a1033b946f4f2622f2b338ab107f559aad542c (commit)] * SAS transport class [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c7ebbbce366c02e5657ac6b6059933fe0353b175 (commit)] * Remove ACPI S4 BIOS support [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b01d8684e9e5b04270970c97df856d47668267e3 (commit)] * [http://ipw2100.sourceforge.net/ ipw2100] and [http://ipw2200.sourceforge.net/ ipw2200] wireless drivers (intel centrino) [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2c86c275015c880e810830304a3a4ab94803b38b (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=43f66a6ce8da299344cf1bc2ac2311889cc88555 (commit)] * [http://hostap.epitest.fi/ HostAP]: Adds support to work as "Wireless Access Point" [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ff1d2767d5a43c85f944e86a45284b721f66196c (commit)] * [http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Linux.Wireless.Extensions.html Wireless extensions] API update to version 19 [http://marc.theaimsgroup.com/?l=linux-netdev&m=112568599006559&w=2 (mail)] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6582c164f2b3b6e58d1f13c1c031b19ee691eb14 (commit)] * ISA DMA suspend for x86/x86-64 [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=795312e763569ce4df67e7a0ca726a9901358fa2 (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7dc24db1757f950f8bd21b7191106d4bf5134be7 (commit)] * PCI: Support PCI PM CAP version 3 [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3fe9d19f9e86a55679f5f2b38ec0a43a1a510cee (commit)] * Keys: Add possessor permissions to keys. It adds extra permission grants to keys for the possessor of a key in addition to the owner, group and other permissions bits. This makes SUID binaries easier to support without going as far as labelling keys and key targets using the LSM facilities [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=664cceb0093b755739e56572b836a99104ee8a75 (commit)] * Driver for the IBM Hard Drive Active Protection System (HDAPS), an accelerometer found in most modern Thinkpads [http://lwn.net/Articles/155440/ (LWN article)] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=860e1d6b46bd4cbc67d8d065f0f682143513382f (commit)] * Add Apple USB touchpad driver for the USB touchpad which can be found on post-February 2005 Apple Powerbooks [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f7214ff4e8248513ec626212b2c1a3ca0b2a0888 (commit)] * Spinlock consolidation [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fb1c8f93d869b34cacb8b8932e2b83d96a19d720 (commit)] * Largefile support for accounting: The accounting subsystem in the kernel can not correctly handle files larger than 2GB. This fixes it by adding the O_LARGEFILE flag [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6c9c0b52b8c6b68b05bb06efd7079a8fc5e9ba60 (commit)] * Detect soft lockups, new debug feature (CONFIG_DETECT_SOFTLOCKUP). When enabled then per-CPU watchdog threads are started, which try to run once per second. If they get delayed for more than 10 seconds then a callback from the timer interrupt detects this condition and prints out a warning message and a stack dump [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8446f1d391f3d27e6bf9c43d4cbcdac0ca720417 (commit)] * Add kzalloc(): new function, it allows to obtain pre-zeroed memory [http://lwn.net/Articles/147014/ (LWN article)] [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dd3927105b6f65afb7dac17682172cdfb86d3f00 (commit)] * Add schedule_timeout_{,un}interruptible() [http://lwn.net/Articles/149019 (LWN article)] [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=64ed93a268bc18fa6f72f61420d0e0022c5e38d1 (commit)] |
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* Import relevant data from [http://www.codemonkey.org.uk/post-halloween-2.5.txt davej's post halloween document] or remainig stuff from [http://kernelnewbies.org/status/latest.html Kernelnewbies status] | * Import relevant data from [http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.14-rc5/2.6.14-rc5-mm1/broken-out/post-halloween-doc.patch davej's post halloween document] or remaining stuff from [http://kernelnewbies.org/status/latest.html Kernelnewbies status] |
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2.6.14 '''STILL NOT RELEASED!!''': * Add /proc/<pid>/smaps: how much memory is resident in each mapping [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e070ad49f31155d872d8e96cab2142840993e3c0 (commit)] * Numa-aware slab allocator V5 [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e498be7dafd72fd68848c1eef1575aa7c5d658df (commit - benchmarks)] * Lazy page table copies in fork(): Defer copying of ptes until fault time when it is possible to reconstruct the pte from backing store, speeding up fork() greatly specially for processes using lots of shared memory [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d992895ba2b27cf5adf1ba0ad6d27662adc54c5e (commit)] * SAS transport class [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c7ebbbce366c02e5657ac6b6059933fe0353b175 (commit)] * Remove ACPI S4 BIOS support (useless) [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b01d8684e9e5b04270970c97df856d47668267e3 (commit)] * Add netlink connector: userspace <-> kernel space easy to use communication module which implements easy to use bidirectional message bus using netlink as it's backend [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7672d0b54411371e0b6a831c1cb2f0ce615de6dc (commit)] * Suspend support for CIFS filesystem [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ede1327ea4ca8019ec6df24b3e837def091c26b8 (commit)] * PPTP protocol support [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=926b50f92a30090da2c1a8675de954c2d9b09732 (commit)] * [http://fuse.sourceforge.net/ FUSE]: FUSE allows to implement a fully functional filesystem in a userspace program * [http://v9fs.sourceforge.net/ 9P support]: Linux port of the famous [http://www.cs.bell-labs.com/sys/doc/9.html Plan9]'s [http://plan9.bell-labs.com/sys/man/5/INDEX.html 9P protocol] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=93fa58cb831337fdf5d36b3b913441100a484dae (commit)] * ipw2100 and ipw2200 wireless drivers * [http://hostap.epitest.fi/ HostAP]: Adds support to work as "Wireless Access Point" * [http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Linux.Wireless.Extensions.html Wireless extensions] API update to version 19 [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6582c164f2b3b6e58d1f13c1c031b19ee691eb14 (commit)] * Four-level page table support for the ppc64 architecture: extends the usable user address range to 44 bits (16T). [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e28f7faf05159f1cfd564596f5e6178edba6bd49 (commit)] * [http://lwn.net/Articles/149756/ DCCP]: "Datagram Congestion Control Protocol". Datagram protocol (like UDP), but with a congestion control mechanism. Currently a [http://www.icir.org/kohler/dcp/draft-ietf-dccp-spec-11.txt RFC draft] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c (commit)] * [http://relayfs.sourceforge.net/ RelayFS]: "Basically relayfs is just a bunch of per-cpu kernel buffers that can be efficiently written into from kernel code. These buffers are represented as files which can be mmap'ed and directly read from in user space. The purpose of this setup is to provide the simplest possible mechanism allowing potentially large amounts of data to be logged in the kernel and 'relayed' to user space." [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e82894f84dbba130ab46c97748c03647f8204f92 (commit)] * ISA DMA suspend for x86/x86-64 [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=795312e763569ce4df67e7a0ca726a9901358fa2 (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7dc24db1757f950f8bd21b7191106d4bf5134be7 (commit)] 2.6.13 released August 29, 2005 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.13 changelog]: * x86 now uses the generic PCI bus setup code for assigning unassigned resources * [http://lwn.net/Articles/104343/ inotify] * Support for the Xtensa architecture: [http://www.tensilica.com/products/xtensa_architecture.htm 32-bit architecture] used in embedded devices * [http://lwn.net/Articles/108595/ kexec and kdump]: Kexec allows users to load a new kernel from another running kernel. By preserving the memory contents in a crash scenario, kexec allows to implement kdump. Kdump is able to get a memory dump of the previous kernel, and be used as a debugging tool. * [http://lwn.net/Articles/135472/ Execute-in-place support]: Traditionally, programs are loaded from disk to memory to be executed. However, the current wave of embedded devices store programs in a ROM/flash chip. XIP allows the kernel executing programs directly from that ROM, without being copied to RAM (saving RAM space), and bypassing the page cache/io scheduler layers (since they're not needed). * [http://lwn.net/Articles/145973/ build-time configurable clock interrupt frequency]: * [http://lwn.net/Articles/143474/ Improved CFQ IO scheduler]: With support for I/O priorities * Voluntary preemption patches * Removal of the devfs configuration option 2.6.12 released June 17, 2005 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12 changelog]: * [http://lwn.net/Articles/140164/ API changes] * New driver for the "trusted computing" (TPM) crap^Wchip * [http://www.superh.com/products/shyway.htm SuperHyway bus support] * Multilevel security implementation for SELinux * [http://lwn.net/Articles/124703/ device mapper multipath support] * [http://lwn.net/Articles/121845/ Address space randomization] * Restore the Philips webcam driver * I/O barrier support for serial ATA drives * [http://lwn.net/Articles/134460/ "resource limits"] * [http://lwn.net/Articles/127936/ cpusets] * Remove IPV6 "experimental" status * Hot-pluggable parallel ports * Block I/O barrier rewrite (enables full barrier support on serial ATA drives) 2.6.11 released March 2, 2005 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.11 changelog]: * [http://lwn.net/Articles/117749/ Conversion to 4-level page tables] * [http://lwn.net/Articles/112531/ Infiniband support] * Support for Extended Attributes in the body of large inode in ext3: saves space and improves performance in some cases * Fujitsu FR-V CPU arch implementation * SATA support for Intel ICH7 * [http://lwn.net/Articles/115405/ DebugFS] * [http://lwn.net/Articles/118750/ New Pipe implementation] * [http://lwn.net/Articles/102253/ "Big Kernel Sempahore"] 2.6.10 released December 24, 2004 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.10 changelog]: * [http://lwn.net/Articles/109505 Reworking of spin lock initialization] * Big Kernel Lock preemption * IRQ subsystem code rework * Removal of the "BIO walking" helper functions * [http://lwn.net/Articles/107314/ generic circular buffer type] * Ext3 block reservation and online resizing patches * [http://lwn.net/Articles/69523/ sysfs backing store] * [http://lwn.net/Articles/103183/ I/O space write barriers] * On-the-fly switchable I/O schedulers * BSD secure levels module * kernel events notification mechanism * In-kernel cryptographic key management * DVD+RW and CDRW packet writing support 2.6.9 released October 19, 2004 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.9 changelog]: * [http://lwn.net/Articles/96621 Token-based thrashing control] * Support of block I/O barrier * m32r architecture support * Allow unprivileged processes to lock small amounts of memory in RAM * Tunable "max sectors" limit for block I/O requests (can help latency reduction) * New prctl() option allowing programs to change their name (PR_GET_NAME) * AMD dual-core support * [http://lwn.net/Articles/97537/ Out-of-line spinlocks] * Support for POSIX's waitid() * Shared memory scalability improvements * [http://lwn.net/Articles/91829/ "flex mmap" user-space memory layout] * Change in TCP ICMP source quench behavior * [http://www.linux-usb.org/gadget/h2-otg.html USB "on the go" support] * New USB storage driver * Support for more than eight partitions on BSD-labeled disks * Ethtool support in the loopback driver * [http://lwn.net/Articles/101215/ NETIF_F_LLTX interface] * Removal of the ancient "busmouse" driver * Infrastructure for cluster-wide file locking * DRM subsystem cleanups * more filesystem conversions to the new symbolic link resolution code (which will eventually allow an increase in the maximum link depth) * "fake NUMA" mode for x86-64 testing * Small-footprint tmpfs implementation * Support for scheduler profiling (seeing where context switches come from) * Automatic TCP window scaling calculation * Removal of the Philips webcam driver * Some VFS interface improvements * Executable support in hugetlb mappings * The Whirlpool digest algorithm * Removal of the very last suser() call 2.6.8 released August 14, 2004 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.8 changelog]: * support for 64-bit Super-H hardware * Removal of the PC9800 subarchitecture (lack of mainteinance) * x86 no-execute support, asynchronous I/O support for USB gadgets * [http://lwn.net/Articles/91959/ reworked symbolic link lookup implementation] * New "CPU mask" implementation * RCU performance improvements * Support for new Apple PowerBooks * New wait_event_interruptible_exclusive() macro * Support for the O_NOATIME flag in the open() call * Sysfs knobs for tuning the CFQ I/O scheduler * Mirroring and snapshot targets for the device mapper * Reiserfs data=journal support * Preemptible kernel support for the PPC64 architecture * "Khazad" crypto algorithm * [http://lwn.net/Articles/98379/ Added permissions checking on raw SCSI commands from user space] * Removal of the fcntl() file operations method * New internal infrastructure for handling file positioning and seekability * Support for the O_NOATIME flag in the open() call * Removal of the (non-functional) "fastroute" networking option * TEA and XTEA crypto algorithms 2.6.7 released June 16, 2004 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.7 changelog]: * [http://lwn.net/Articles/80911/ Scheduling Domains] * [http://lwn.net/Articles/83633/ Filtered Wakeups] * Ability to re-enable interrupts while waiting in spin_lock_irqsave() (for all architectures now) * msleep() function for millisecond-scale waits * [http://lwn.net/Articles/84836/ del_singleshot_timer()]: Deleting timers quickly * shrink "dentry" structure * Removal of the Intermezzo filesystem (lack of mainteinance) * Support for quotas and external attributes in reiserfs * Removal of IDE tagged command queueing support (never worked well) * new API for NUMA systems 2.6.6 released May 10, 2004 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.6 changelog]: * [http://lwn.net/Articles/80472/ full object-based reverse-mapping scheme and removal of the per-page PTE chains] * Network packet timestamping optimization * [http://www.geocities.com/wronski12/posix_ipc/index.html POSIX message queues] * Message queues for the x86_64 and s390 architectures * fsync() and fdatasync() speed improvements to ext2/3 * [http://lwn.net/Articles/77190/ addition of the fcntl() method to the file_operations structure] * [http://lwn.net/Articles/65437/ "Laptop Mode"] * 4KB kernel stacks option for the i386 architecture * Non-executable stack support for several architectures * Reiserfs updates: data=ordered support, space preallocation, laptop mode support * IPv6 support in SELinux * [http://lwn.net/Articles/79326/ The lightweight auditing framework] * A mechanism which allows block drivers to respond to queries about the congestion state of their queues * [http://lwn.net/Articles/75233/ "per-device unplugging patch"] * CFQ scheduler * External module support * Generic snapshot support code for filesystems (taken from XFS) 2.6.5 released April 4, 2004 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.5 changelog]: * [http://lwn.net/Articles/75944 Netpoll infrastructure] * [http://lwn.net/Articles/75920 New "kref" reference counting mechanism] 2.6.4 released March 11, 2004 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.4 changelog]: * HFS rewrite * Support for the Intel "ia32e" arch * UTF-8 tty mode * Dynamic PTY allocation (up to a million PTY devices) * Sysfs support for SCSI tapes and bluetooth devices * [ARC4 crypto module Support for large numbers of groups] * [http://lwn.net/Articles/65178/ Generic kernel thread infrastructure] * Groundwork for the hotplug CPU code * ARC4 crypto module 2.6.3 released February 18, 2004 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.3 changelog]: * Removal of the USB scanner code: moved support to userspace (libusb) * [http://lwn.net/Articles/69402/ New DMA pool abstraction] * "context mount" support for SELinux 2.6.2 released February 4, 2004 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.2 changelog]: * New Qlogic SCSI driver 2.6.1 released January 9, 2004 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.1 changelog]: * [http://lwn.net/Articles/44135/ Message Signaled Interrupt support] * Extensible Firmware Interface (EFI) support. 2.6.0 released December 18, 2003 [http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.0 changelog]: 2.6.0-test9: * [http://lwn.net/Articles/44243/ libata driver architecture] 2.6.0-test6: * [http://marc.theaimsgroup.com/?l=linux-kernel&m=104344596912094&w=2 32-bit dev_t] * Direct I/O support for reiserfs 2.6.0-test3: * [http://www.nsa.gov/selinux/index.html SELinux] 2.6.0-test1: * [http://www.linuxvirtualserver.org/ Linux Virtual Server layer] 2.5.75 released July 10, 2003: * [http://marc.theaimsgroup.com/?l=linux-mm&m=104529418208788&w=2 Anticipatory Scheduler] * "kblockd" kernel threads * "nointegrity" JFS mount option 2.5.74 released July 2, 2003: 2.5.73 released June 22, 2003: 2.5.72 released June 17, 2003: 2.5.71 released June 14, 2003: * [http://marc.theaimsgroup.com/?l=linux-kernel&m=104981044405395&w=2 Switch the IDE I/O layers to taskfile] 2.5.70 released May 27, 2003: * [http://www.linux-usb.org/gadget USB gadget support] 2.5.69 released May 5, 2003: * [http://lwn.net/Articles/29555/ New interrupt handling API] * Runtime barrier instruction patching: Allows optimal performance on different processors without the need to ship multiple kernels 2.5.68 released April 20, 2003: * Merging s390 and s390x into a single architecture * Generation of hotplug events from kobject registration 2.5.67 released April 7, 2003: 2.5.66 released March 24, 2003: 2.5.65 released March 17, 2003: * [http://www.kerneltrap.org/node.php?id=603 Desktop Interactivity Improvements] 2.5.64 released March 5, 2003: 2.5.63 released February 24, 2003: * [http://high-res-timers.sourceforge.net/ POSIX timers] 2.5.62 released February 17, 2003: * [http://lse.sourceforge.net/locking/dcache/dcache_lock.html Avoid dcache_lock while path walking] 2.5.61 released February 15, 2003: 2.5.60 released February 10, 2003: * New modversions implementation * 64-bit jiffies 2.5.59 released Janury 17, 2003: * [http://home.arcor.de/efocht/sched/ NUMA aware scheduler extensions] 2.5.58 released January 14, 2003: 2.5.57 released January 13, 2003: * [http://www.zipworld.com.au/~akpm/linux/schedlat.html Remove long-held locks for low scheduling latency] 2.5.56 released January 10, 2003: 2.5.55 released January 9, 2003: 2.5.54 released January 2, 2003: * [http://secure.netroedge.com/~lm78/ Add lm-sensors drivers for hardware health monitoring] * Support for AGP 3.0 2.5.53 released December 24, 2002: * "sysenter" support 2.5.52 released December 16, 2002: 2.5.51 released December 10, 2002: * [http://linuxconsole.sourceforge.net/ Rewrite of the console layer] * Compatibility syscall layer 2.5.50 released November 27, 2002: 2.5.49 released November 22, 2002: 2.5.48 released November 18, 2002: * [http://lists.insecure.org/lists/linux-kernel/2002/Oct/6214.html In-kernel module loader] 2.5.47 released November 11, 2002: * [http://www.uwsg.iu.edu/hypermail/linux/kernel/0204.1/0429.html Zerocopy NFS] 2.5.46 released November 4, 2002: * [http://www.xmailserver.org/linux-patches/nio-improve.html Better I/O performance with epoll] * Per-cpu hot & cold page lists * [http://lists.insecure.org/lists/linux-kernel/2002/Oct/7027.html MMU-less processor support (ucLinux)] * [http://marc.theaimsgroup.com/?l=linux-kernel&m=101095500820185&w=2 Replace initrd by initramfs] * Extended Attributes and ACLs for ext2/ext3 2.5.45 released October 31, 2002: * [http://www.xs4all.nl/~zippel/lc/ New Linux configuration system: kconfig] * [http://samba.org/~jamesm/crypto/ CryptoAPI] * [ftp://ftp.linux-ipv6.org/pub/usagi/patch/ipsec/ IPSEC] * [http://www.linuxtv.org/dvb/ Digital Video Broadcasting (DVB) layer] * [http://www.sistina.com/products_lvm.htm Device mapper for Logical Volume Manager (LVM2)] 2.5.44 released October 19, 2002: * New sysfs filesystem (formerly known as driverfs) * Plug'N Play Layer Rewrite * [http://lwn.net/Articles/9042/ x86 BIOS Enhanced Disk Device (EDD) polling] 2.5.43 released October 16, 2002: * [http://www.psc.edu/general/filesys/afs/ Andrew File System (AFS) support] * [http://oprofile.sourceforge.net/ OProfile, a low-overhead profiler] * [http://lse.sourceforge.net/locking Read-Copy Update (RCU) Mutual Exclusion] * [http://www.citi.umich.edu/projects/nfsv4/ Add support for NFS v4] * Remove kiobufs 2.5.42 released October 12, 2002: * [http://marc.theaimsgroup.com/?l=linux-kernel&m=103298446916066&w=2 ext2/ext3 large directory support: HTree index] * [http://us1.samba.org/samba/Linux_CIFS_client.html Add new CIFS (Common Internet File System)] * [http://www.gelato.unsw.edu.au/ Remove the 2TB block device limit] * Improved i2o (Intelligent Input/Ouput) layer 2.5.41 released October 7, 2002: 2.5.40 released October 1, 2002: * [http://lse.sourceforge.net/numa Parallelizing page replacement] * [http://lse.sourceforge.net/numa NUMA topology support * [http://www.brodo.de/cpufreq/ Add support for CPU clock/voltage scaling] 2.5.39 released September 27, 2002: * New IO scheduler ("deadline") 2.5.38 released September 22, 2002: 2.5.37 released September 20, 2002: * [http://users.pandora.be/bart.de.schuymer/ebtables/ Ethernet bridge tables support] * Remove the global tasklist 2.5.36 released September 18, 2002: * Hugepage support * [http://oss.sgi.com/projects/xfs/ XFS filesystem from SGI] 2.5.35 released September 16, 2002: * Serial ATA support * [http://user-mode-linux.sourceforge.net/index.html Add User-Mode Linux (UML)] 2.5.34 released September 9, 2002: * POSIX threading support for signals * [http://lse.sourceforge.net/numa discontigmem support (ia32)] 2.5.33 released August 31, 2002: * TCP segmentation offload * [http://www.sf.net/projects/lksctp SCTP (Stream Control Transmission Protocol)] 2.5.32 released August 27, 2002: * [http://people.redhat.com/drepper/nptl-design.pdf Improved POSIX threading support] * [http://freshmeat.net/projects/linux-aio/ Asynchronous IO (aio) support] * Porting all input devices over to input API * New MTRR (Memory Type Range Register) driver 2.5.31 released August 11, 2002: * Support insane number of processes * Disk description cleanups * Remove incomplete SPX network stack 2.5.30 released August 1, 2002: * Remove khttpd 2.5.29 released July 27, 2002: * Strict address space accounting * [http://lsm.immunix.org/ Add Linux Security Module (LSM)] * [http://people.redhat.com/mingo/tls-patches/ Thread-Local Storage (TLS) support] 2.5.28 released July 24, 2002: * Remove the "Big IRQ lock" * Serial driver restructure 2.5.27 released July 20, 2002: * [http://surriel.com/patches/ New VM with reverse mappings] 2.5.26 releasaed July 16, 2002: * Direct pagecache <-> BIO disk I/O 2.5.25 releaseed July 5, 2002: * [http://www.uwsg.iu.edu/hypermail/linux/kernel/0207.0/0741.html Faster internal kernel clock frequency] * Unified naming for disk devices 2.5.24 released June 20, 2002: 2.5.23 released June 19, 2002: * [http://www.kernel.org/pub/linux/kernel/people/rusty/patches/Hotcpu/ Hotplug CPU support] * [http://bazar.conectiva.com.br/~acme/patches/wip More complete IEEE 802.2 stack] 2.5.22 released June 17, 2002: 2.5.21 released June 9, 2002: 2.5.20 released June 3, 2002: 2.5.19 released May 29, 2002: 2.5.18 released May 25, 2002: * [http://falcon.sch.bme.hu/~seasons/linux/swsusp.html Software suspend (to disk & RAM)] * ->getattr() ->setattr() ->permission() changes 2.5.17 released May 21, 2002: * Move ISDN4Linux to CAPI based interface * [http://marc.theaimsgroup.com/?l=linux-fsdevel&m=101586205801483&w=2 New quota system supporting plugins] 2.5.16 released May 18, 2002: 2.5.15 released May 9, 2002: 2.5.14 released May 6, 2002: * Bluetooth support (no longer experimental!) * [http://www.uwsg.iu.edu/hypermail/linux/kernel/0204.1/1250.html Support for IDE TCQ (Tagged Command Queueing)] 2.5.13 released May 3, 2002: 2.5.12 released May 1, 2002: * Rewrite of the buffer layer 2.5.11 released April 29, 2002: * Rewrite of the framebuffer layer * [http://www.ussg.iu.edu/hypermail/linux/kernel/0204.3/0129.html Fast walk dcache] * [http://linux-ntfs.sourceforge.net/ Replace old NTFS driver with NTFS TNG driver] 2.5.10 released April 24, 2002: 2.5.9 released April 22, 2002: * Smarter IRQ balancing 2.5.8 released April 14, 2002: * [http://www.uwsg.iu.edu/hypermail/linux/kernel/0204.1/0215.html Radix-tree pagecache] * [http://www.kernel.org/pub/linux/kernel/people/rml/cpu-affinity Syscall interface for CPU task affinity] 2.5.7 released March 18, 2002: * [http://sourceforge.net/projects/acpi/ ACPI (Advanced Configuration & Power Interface)] * [ftp://robur.slu.se/pub/Linux/net-development/NAPI/ NAPI network interrupt mitigation] * [http://www.uwsg.iu.edu/hypermail/linux/kernel/0203.0/0884.html Futexes (Fast Lightweight Userspace Semaphores] * [http://www.uwsg.iu.edu/hypermail/linux/kernel/0203.0/0335.html Video for Linux (V4L) redesign] * [http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html New driver API for Wireless Extensions] 2.5.6 released March 8, 2002: * [http://www.hojdpunkten.ac.se/054/samba/ http://www.hojdpunkten.ac.se/054/samba/] * [http://www.cs.helsinki.fi/linux/linux-kernel/2002-01/0438.html HDLC (High-level Data Link Control) update] * [http://www.uwsg.iu.edu/hypermail/linux/kernel/0202.2/0920.html per_cpu infrastructure] * [http://www-124.ibm.com/jfs/ Add JFS (Journaling FileSystem from IBM)] * Killing kdev_t for block devices 2.5.5 released February 20, 2002: * [http://linuxppc64.org/ New architecture: PowerPC 64-bit (ppc64)] * [http://www.x86-64.org/ New architecture: AMD 64-bit (x86-64)] * [http://www.uwsg.iu.edu/hypermail/linux/kernel/0202.2/0297.html Pagetables in highmem support] * [http://www.alsa-project.org/ Add ALSA (Advanced Linux Sound Architecture] 2.5.4 released February 11, 2002: * [http://www-124.ibm.com/developerworks/oss/pthreads/ Support for Next Generation POSIX Threading] * [ftp://ftp.kernel.org/pub/linux/kernel/people/rml/preempt-kernel/ Add preempt kernel option] * Per network protocol slabcache & sock.h * [http://marc.theaimsgroup.com/?l=linux-kernel&m=100942323913586&w=2 Per filesystem slabcache & fs.h] 2.5.3 released January 30, 2002: * [http://kernel.org/pub/linux/kernel/people/mochel/doc/ New driver model & unified device tree] * [http://www.uwsg.iu.edu/hypermail/linux/kernel/0109.3/1341.html PnP BIOS driver] * [http://www.geocrawler.com/mail/msg.php3?msg_id=7686796&list=35 Generic Extended Attribute support] * [http://marc.theaimsgroup.com/?l=linux-kernel&m=101077476005939&w=2 Support reiserfs external journal] * [http://marc.theaimsgroup.com/?l=linux-kernel&m=101121711408999&w=2 IDE layer update] * [http://www.uwsg.iu.edu/hypermail/linux/kernel/0202.0/0260.html Untangle sched.h & fs.h include dependancies] * [http://www.geocrawler.com/lists/3/Linux/35/100/7642826/ Break Configure.help into multiple files] 2.5.2 released January 15, 2002: * [http://marc.theaimsgroup.com/?l=linux-kernel&m=100992347220716&w=2 New kernel device structure (kdev_t)] * [http://people.redhat.com/mingo/O(1)-scheduler/ O(1) scheduler for improved scalability] * [http://marc.theaimsgroup.com/?l=linux-fsdevel&m=98307457705210&w=2 Filesystem per-process namespaces, late-boot cleanups] * [http://www.linux-usb.org/usb2.html Initial support for USB 2.0] 2.5.1 December 17, 2001: * Rewrite of the block IO (bio) layer |
Comprehensible changelog of the linux kernel, inspired by [http://wiki.dragonflybsd.org/index.php/DragonFly_Status Dragonfly's status]. Other places to get news about the linux kernel are [http://www.kernel-traffic.org Kernel traffic], [http://lwn.net/Kernel/ LWN kernel status], [http://lwn.net/Articles/driver-porting/ LWN driver porting guide] and [http://lwn.net/Articles/2.6-kernel-api/ LWN list of API changes in 2.6] - many articles here link to LWN and much of the 2.6.x changelog was restored from them (you may be be interested in subscribing so Jonathan can keep up the good work ). Before adding things here look at the RULES section at the end of the page!!
This page tracks the current stable and development releases. Changes made to older 2.6.x releases can be found in the Linux26Changes page
2.6.15
STILL NOT RELEASED!
VFS changes: The "shared subtree" patches have been merged. Consider the following situation: a process wants to clone its own namespace, but still wants to access the CD that got mounted recently. Shared subtree semantics provide the necessary mechanism to accomplish the above. It provides the necessary building blocks for features like per-user-namespace and versioned filesystem. [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/sharedsubtree.txt Documentation], original [http://marc.theaimsgroup.com/?l=linux-fsdevel&m=110565591630267&w=2 Alexander Viro's RFC]. Patches:
[http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=07b20889e3052c7e77d6a6a54e7e83446eb1ba8 beginning of the shared-subtree proper]: A private mount does not forward or receive propagation. This patch provides user the ability to convert any mount to private
[http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=03e06e68ff76294e53ffa898cb844d2a997b043e introduce shared mounts]: This creates shared mounts. A shared mount when bind-mounted to some mountpoint, propagates mount/umount events to each other. All the shared mounts that propagate events to each other belong to the same peer-group.
[http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a58b0eb8e64b78d9315a5491955e78b1391d42e5 introduce slave mounts]: A slave mount always has a master mount from which it receives mount/umount events. Unlike shared mount the event propagation does not flow from the slave mount to the master.
[http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5afe00221389998a25d611dc7941c06580c29eb6 handling of shared mounts]: This makes bind, rbind, move, clone namespace and umount operations aware of the semantics of slave mount
[http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b90fa9ae8f51f098ee480bbaabd6867992e9fc58 shared mount handling: bind and rbind]: Implement handling of MS_BIND in presense of shared mounts
[http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9676f0c6389b62bd6b24d77d4b3abdbcfa32d0f2 unbindable mounts]: An unbindable mount does not forward or receive propagation. Bind semantics: It is invalid to bind mount an unbindable mount. Move semantics: It is invalid to move an unbindable mount under shared mount. Clone-namespace semantics: If a mount is unbindable in the parent namespace, the corresponding cloned mount in the child namespace becomes unbindable too. Note: there is subtle difference, unbindable mounts cannot be bind mounted but can be cloned during clone-namespace.
[http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2144440327fa01b2f3f65e355120a78211685702 shared mount handling: move]: Implement handling of mount --move in presense of shared mounts
[http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a05964f3917c7c55368c229d7985f8e7c9977e97 shared mount handling: umount]: An unmount of a mount creates a umount event on the parent. If the parent is a shared mount, it gets propagated to all mounts in the peer group
Page table scalability improvements: Currently, a single page table lock is used to protect all operations on an address space's page tables. This has been detected to cause scalability problems in largue multiprocessor systems ej: 512-cpu SGI altix, specially in heavily multithreaded workloads (threads of a same process share the same address space and hence the same page table lock). With this patch, a separate spinlock per page-table page is used, to guard the page table entries in that page. Splitting the lock is not quite for free: another cacheline access. So for now enable it by config for machines with 4 or more CPUs. While this (and many other scalability changes) may look high-end oriented now, remember that cheap multi-core desktops CPUs are there. [http://lwn.net/Articles/157151/ (LWN article)] [http://marc.theaimsgroup.com/?l=linux-kernel&m=112603203327134&w=2 (benchmark vs SGI's "reduced locking by using atomic page table operations" non-merged approach)] [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4c21e2f2441dc5fbb957b030333f5a3f2d02dea7 (commit)]
.text page fault SMP scalability optimization: This fixes a case where large systems wouldn't scale well while faulting in the .text. The reason was a useless overwrite of the same pte from all cpu [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1a44e149084d772a1bcf4cdbdde8a013a8a1cfde (commit)]
Swaptoken tuning: It turns out that the original swap token implementation, by Song Jiang, only enforced the swap token while the task holding the token is handling a page fault, this patch approximates that, like the page fault code does. It has the effect of automatically, and gradually, disabling the enforcement of the swap token when there is little or no paging going on, and "turning up" the intensity of the swap token code the more the task holding the token is thrashing [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fcdae29aa7a5c79f245110f6680afdc1858d3626 (commit)]
Demand faulting for huge pages [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4c887265977213985091476be40ab11dfdcb4caf (commit)]
Add generic memory add/remove and supporting functions for memory hotplug [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3947be1969a9ce455ec30f60ef51efb10e4323d1 (commit)]
"Cooperating processes" for the anticipatory I/O scheduler: Introduce the notion of cooperating processes (those that submit requests close to one another), and use these statistics to make better choices about whether or not to do anticipatory waiting [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f5b3db0017f8415301f3427b30263186e8478c3f (commit)]
Generic dispatch queue: Implements generic dispatch queue which can replace all dispatch queues implemented by each iosched [http://marc.theaimsgroup.com/?l=linux-kernel&m=112238633622498&w=2 (mailing list)] [http://lwn.net/Articles/157208/ (LWN article)] [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8922e16cf6269e668123acb1ae1fdc62b7a3a4fc (commit)]
Reimplement elevator online switching code [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cb98fc8bb9c141009e2bda99c0db39d387e142cf (commit)]
IPv4/IPv6: UFO (UDP Fragmentation Offload) Scatter-gather approach: UFO is a feature wherein the Linux kernel network stack will offload the IP fragmentation functionality of large UDP datagram to hardware. This will reduce the overhead of stack in fragmenting the large UDP datagram to MTU sized packets [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e89e9cf539a28df7d0eb1d0a545368e9920b34ac (commit)]
PPP MPPE encryption module, it implements the Microsoft Point-to-Point Encryption method as a PPP compressor/decompressor. This is necessary for Linux clients and servers to interoperate with Microsoft Point-to-Point Tunneling Protocol (PPTP) servers (either Microsoft PPTP servers or the poptop project) which use MPPE to encrypt data when creating a VPN [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b3f9b92a6ec1a9a5e4b4b36e484f2f62cc73277c (commit)]
IPV6: RFC3484 compliant source address selection [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=072047e4de3800905e09d0f8ef0e1cc4e91a601e (commit)]
make /proc/mounts pollable [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5addc5dd8836aa061f6efc4a0d9ba6323726297a (commit)]
ppc64: support 64k pages. Adds a new CONFIG_PPC_64K_PAGES which, when enabled, changes the kernel base page size to 64K. The resulting kernel still boots on any hardware. On current machines with 4K pages support only, the kernel will maintain 16 "subpages" for each 64K page transparently [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3c726f8dee6f55e96475574e9f645327e461884c (commit)]
ppc64: CPU freq support using 970FX powertune facility for iMac G5 and SMU based single CPU desktop [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4350147a816b9c5b40fa59e4fa23f17490630b79 (commit)]
ppc64: Adds the ability to the SMU driver to recover missing calibration partitions from the SMU chip itself. It also adds some dynamic mecanism to /proc/device-tree so that new properties are visible to userland [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=183d020258dfd08178a05c6793dae10409db8abb (commit)]
ppc64: This adds a new thermal control framework for PowerMac, along with the implementation for PowerMac8,1, PowerMac8,2 (iMac G5 rev 1 and 2), and PowerMac9,1 (latest single CPU desktop) [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=75722d3992f57375c0cc029dcceb2334a45ceff1 (commit)]
Add the infrastructure to support hotplug CPU on ARM [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a054a811597a17ffbe92bc4db04a4dc2f1b1ea55 (commit)]
Optimized SHA1 implementation for ARM [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c09f98271f685af349d3f0199360f1c0e85550e0 (commit)]
x86 hot plug CPU support of physical add of new processors (hotplug add/remove of already existing CPUs was already supported) [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9f40a72a7e819789f66910c8cd60aab005cdb413 (commit)]
Support for shared HPET interrupts: The driver previously acknowledged interrupts for both edge and level interrupts, but didn't actually allow a shared interrupt in the latter case [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0d29086177aaa1e7d14e6ebb7fc067b3ca6d5c11 (commit)]
Add LSM hooks for key management facilities (see link) [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=29db9190634067c5a328ee5fcc2890251b836b4b (commit)]
RCU torture-testing kernel module: This adds a tristate CONFIG_RCU_TORTURE_TEST, which enables an intense torture test of the RCU infratructure. This is needed for testing due to the continued changes to the RCU infrastructure [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a241ec65aeac3d69a08a7b153cccbdb7ea35063f (commit)]
Driver Core: add the ability for class_device structures to be nested: Allows struct class_device to be nested, so that another struct class_device can be the parent of a new one, instead of only having the struct class be the parent [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=51d172d5f3a193e4b8f76179b2e55d7a36b94117 (commit)]
Add vmalloc_node(size, node) (allocate necessary memory on the specified node) and get_vm_area_node(size, flags, node) [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=930fc45a49ddebe7555cc5c837d82b9c27e65ff4 (commit)]
Process Events Connector: It reports fork, exec, id change, and exit events for all processes to userspace. Applications that may find these events useful include accounting/auditing (e.g. ELSA), system activity monitoring (e.g. top), security, and resource management (e.g. CKRM) [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9f46080c41d5f3f7c00b4e169ba4b0b2865258bf (commit)]
Add sysfs support for ide tape [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d5dee80ad69439ad8dccf8fa4d7fed0068aec9cf (commit)]
Add "revision" support for having multiple revisions for each match/target in arp_tables and ip6_tables [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6b7d31fcdda5938e5d3f1f8b0922cc25aa200dfc (commit)]
Support for the Artemis and ATIK astronomical based USB CCD cameras [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c9c7746dd333c12f482af2f1e63ea7eafc7cd529 (commit)]
USB: delete the bluetty driver [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a6c82600d4058346ea6fd801bc21d7abcc1350d8 (commit)]
Nokia 7600/6230(i)/6170/66x0 DKU2 USB driver [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=50260b69bbec383058875de26dbde28b1a6f8d00 (commit)]
Nvidia Geforce 7800 series (7800, 7800 GTX, 7800 GO and 7800 GTX GO cards) framebuffer support [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7015faa7df829876a0f931cd18aa6d7c24a1b581 (commit)], Mystique AGP support [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=63921fbfbd87ec745e65d2e9aecdfdc9a4ce73f2 (commit)], add partial support for GMA900 within the i915GM chipset [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3a59026ba111d85b1a86af0f1c4e5a8ef1242d82 (commit)]
MPC8xx PCMCIA support (PowerPC 8xx series PCMCIA controller) [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=de957c89b7dadb3147e885d7b6eb9db73d0eea57 (commit)]
Adds a RapidIO subsystem to the kernel. RIO is a switched fabric interconnect used in higher-end embedded applications [http://www.rapidio.org http://www.rapidio.org] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=394b701ce4fbfde919a9bcbf84cb4820a7c6d47c (commit)]
Support for SA1100 Jornada flash device support [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=183e1a349466a1b90430a58f3efad25a3e555cb2 (commit)]
Resurrect Cobalt (MIPS-based) support for 2.6 [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c4ed38a0c6e2e5c4906296758f816ee71373792f (commit)]
Base Au1200 (MIPS-based) 2.6 support [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e3ad1c23ba72214669b364c6fa304531dc768c3e (commit)]
Add support for BCM1480 family of chips (MIPS-based) [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f137e463b50aadba91bd116f99c59ccb9c15a12f (commit)]
Support for sharp zaurus sl-5500 touchscreen [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1753298947afe5eb56da755bc057f1868f345ec1 (commit)] and its PCMCIA slot [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=77bb86a1b9f8b872d8efc33c4f4359f809220252 (commit)]
Add support for the Sharp SL-6000x (Tosa) series of PDAs [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8459c159f7de832eaf888398d2abf466c388dfa6 (commit)]
SuperHyway support for SH4-202 [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d5cb9783536a41df9f9cba5b0a1d78047ed787f7 (commit)]
Add support for the AMCC PowerPC 440SPe SoC, including PCI Express in root port mode [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b0f7b8bc57ee90138a7c429951457027a90c326f (commit)]
SHM_NORESERVE flags for shmget(): Similar to MAP_NORESERVE for shared memory segments. This is mainly to avoid abuse of OVERCOMMIT_ALWAYS and this flag is ignored for OVERCOMMIT_NEVER [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bf8f972d3a1daf969cf44f64cc36d53bfd76441f (commit)]
2.6.14
Released October 27, 2005 [http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14 changelog]
Numa-aware slab allocator: It creates slabs on multiple nodes and manages slabs in such a way that locality of allocations is optimized. Each node has its own list of partial, free and full slabs. All object allocations for a node occur from node specific slab lists [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e498be7dafd72fd68848c1eef1575aa7c5d658df (commit - benchmarks)]
Lazy page table copies in fork() for VMAs without anonymous pages (the ones with anonymous pages are still copied): Defer copying of ptes until fault time when it is possible to reconstruct the pte from backing store, speeding up fork() greatly specially for processes using lots of shared memory [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d992895ba2b27cf5adf1ba0ad6d27662adc54c5e (commit)]
Add /proc/$PID/smaps: This file will shows how much memory is resident in each mapping. Useful for people who want to perform memory consumption analysis [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e070ad49f31155d872d8e96cab2142840993e3c0 (commit)]
Add /proc/$PID/numa_maps: This file will show on which nodes pages reside [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6e21c8f145f5052c1c2fb4a4b41bee01c848159b (commit)]
Lock-free file descriptor look-up [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ab2af1f5005069321c5d130f09cce577b03f43ef (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b835996f628eadb55c5fb222ba46fe9395bf73c7 (commit)]
Four-level page table support for the ppc64 architecture: extends the usable user address range to 44 bits (16T). [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e28f7faf05159f1cfd564596f5e6178edba6bd49 (commit)]
Support hotplug cpu on 32-bit SMP powermacs: When a cpu is off-lined, it is put into sleep mode with interrupts disabled. It can be on-lined again by asserting its soft-reset pin, which is connected to a GPIO pin [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=31139971b3dc9fbb2e8a8572fb81e6e8470f363a (commit)]
Add TASK_NONINTERACTIVE task state bit to the cpu scheduler: It can be used by blocking points to mark the task's wait as "non-interactive". This does not mean the task will be considered a CPU-hog - the wait will simply not have an effect on the waiting task's priority - positive or negative alike [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d79fc0fc6645b0cf5cd980da76942ca6d6300fa4 (commit)]
[http://www.ietf.org/rfc/rfc2637.txt PPTP] (Point-to-Point Tunneling Protocol) conntrack support and NAT helper added to allow proper management of multiple NAT'd PPTP connections. PPTP, a Microsoft-designed protocol, is used in many places to provide VPN access due to the native support in Microsoft Windows. [http://en.wikipedia.org/wiki/PPTP Wikipedia article] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=926b50f92a30090da2c1a8675de954c2d9b09732 (commit)]
DCCP: "Datagram Congestion Control Protocol". Datagram protocol (like UDP), but with a congestion control mechanism. [http://lwn.net/Articles/149756/ (LWN article)] Currently a [http://www.icir.org/kohler/dcp/draft-ietf-dccp-spec-11.txt RFC draft] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c (commit)]
Implement SKB fast cloning: Protocols that make extensive use of SKB cloning, for example TCP, eat at least 2 allocations per packet sent as a result. To cut the kmalloc() count in half, we implement a pre-allocation scheme wherein we allocate 2 sk_buff objects in advance, then use a simple reference count to free up the memory at the correct time [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d179cd12928443f3ec29cfbc3567439644bd0afc (commit)]
Add netlink connector: userspace <-> kernel space easy to use communication module which implements easy to use bidirectional message bus using netlink as its backend [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7672d0b54411371e0b6a831c1cb2f0ce615de6dc (commit)], also a "async connector mode" [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=acd042bb2de50d4e6fb969281a00cc8b8b71e46d (commit)]
IPV6: Support several new sockopt / ancillary data in Advanced API (RFC3542): IPV6_RECVPKTINFO, IPV6_PKTINFO, IPV6_RECVHOPOPTS, IPV6_HOPOPTS, IPV6_RECVDSTOPTS, IPV6_DSTOPTS, IPV6_RTHDRDSTOPTS, IPV6_RECVRTHDR, IPV6_RTHDR, IPV6_RECVHOPOPTS, IPV6_HOPOPTS, IPV6_{RECV,}TCLASS [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=333fad5364d6b457c8d837f7d05802d2aaf8a961 (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=41a1f8ea4fbfcdc4232f023732584aae2220de31 (commit)]
[http://fuse.sourceforge.net/ FUSE]: Allows to implement a fully functional filesystem in a userspace program [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d8a5ba45457e4a22aa39c939121efd7bb6c76672 (commit)]
[http://v9fs.sourceforge.net/ 9P support]: Linux port of the [http://www.cs.bell-labs.com/sys/doc/9.html Plan9]'s [http://plan9.bell-labs.com/sys/man/5/INDEX.html 9P protocol] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=93fa58cb831337fdf5d36b3b913441100a484dae (commit)]
[http://relayfs.sourceforge.net/ RelayFS]: Relayfs is just a bunch of per-cpu kernel buffers that can be efficiently written into from kernel code. These buffers are represented as files which can be mmap'ed and directly read from in user space. The purpose of this setup is to provide the simplest possible mechanism allowing potentially large amounts of data to be logged in the kernel and 'relayed' to user space." [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e82894f84dbba130ab46c97748c03647f8204f92 (commit)]
securityfs filesystem [http://lwn.net/Articles/153366/ (LWN article)] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b67dbf9d4c1987c370fd18fdc4cf9d8aaea604c2 (commit)]
Suspend support for CIFS filesystem [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ede1327ea4ca8019ec6df24b3e837def091c26b8 (commit)]
Enable atomic inode security labeling on ext3 and ext2: it enables atomic security labeling of newly created inodes by altering the fs code to invoke a new LSM hook to obtain the security attribute to apply to a newly created inode and to set up the incore inode security state during the inode creation transaction. This parallels the existing processing for setting ACLs on newly created inodes [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5e41ff9e0650f327a6c819841fa412da95d57319 (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=10f47e6a1b8b276323b652053945c87a63a5812d (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ac50960afa31877493add6d941d8402fa879c452 (commit)]
SELinux memory improvements: Reduce access rules memory usage by 20x [http://www.livejournal.com/users/james_morris/6197.html James Morris explanation] [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=782ebb992ec20b5afdd5786ee8c2f1b58b631f24 (commit)]
NTFS: Support journals ($Logfile) which have been modified by chkdsk. This means users can boot into Windows after we marked the volume dirty. The Windows boot will run chkdsk and then reboot. The user can then immediately boot into Linux rather than having to do a full Windows boot first before rebooting into Linux [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e7a1033b946f4f2622f2b338ab107f559aad542c (commit)]
SAS transport class [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c7ebbbce366c02e5657ac6b6059933fe0353b175 (commit)]
Remove ACPI S4 BIOS support [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b01d8684e9e5b04270970c97df856d47668267e3 (commit)]
[http://ipw2100.sourceforge.net/ ipw2100] and [http://ipw2200.sourceforge.net/ ipw2200] wireless drivers (intel centrino) [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2c86c275015c880e810830304a3a4ab94803b38b (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=43f66a6ce8da299344cf1bc2ac2311889cc88555 (commit)]
[http://hostap.epitest.fi/ HostAP]: Adds support to work as "Wireless Access Point" [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ff1d2767d5a43c85f944e86a45284b721f66196c (commit)]
[http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Linux.Wireless.Extensions.html Wireless extensions] API update to version 19 [http://marc.theaimsgroup.com/?l=linux-netdev&m=112568599006559&w=2 (mail)] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6582c164f2b3b6e58d1f13c1c031b19ee691eb14 (commit)]
ISA DMA suspend for x86/x86-64 [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=795312e763569ce4df67e7a0ca726a9901358fa2 (commit)] - [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7dc24db1757f950f8bd21b7191106d4bf5134be7 (commit)]
PCI: Support PCI PM CAP version 3 [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3fe9d19f9e86a55679f5f2b38ec0a43a1a510cee (commit)]
Keys: Add possessor permissions to keys. It adds extra permission grants to keys for the possessor of a key in addition to the owner, group and other permissions bits. This makes SUID binaries easier to support without going as far as labelling keys and key targets using the LSM facilities [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=664cceb0093b755739e56572b836a99104ee8a75 (commit)]
Driver for the IBM Hard Drive Active Protection System (HDAPS), an accelerometer found in most modern Thinkpads [http://lwn.net/Articles/155440/ (LWN article)] [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=860e1d6b46bd4cbc67d8d065f0f682143513382f (commit)]
Add Apple USB touchpad driver for the USB touchpad which can be found on post-February 2005 Apple Powerbooks [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f7214ff4e8248513ec626212b2c1a3ca0b2a0888 (commit)]
Spinlock consolidation [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fb1c8f93d869b34cacb8b8932e2b83d96a19d720 (commit)]
Largefile support for accounting: The accounting subsystem in the kernel can not correctly handle files larger than 2GB. This fixes it by adding the O_LARGEFILE flag [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6c9c0b52b8c6b68b05bb06efd7079a8fc5e9ba60 (commit)]
Detect soft lockups, new debug feature (CONFIG_DETECT_SOFTLOCKUP). When enabled then per-CPU watchdog threads are started, which try to run once per second. If they get delayed for more than 10 seconds then a callback from the timer interrupt detects this condition and prints out a warning message and a stack dump [http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8446f1d391f3d27e6bf9c43d4cbcdac0ca720417 (commit)]
Add kzalloc(): new function, it allows to obtain pre-zeroed memory [http://lwn.net/Articles/147014/ (LWN article)] [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dd3927105b6f65afb7dac17682172cdfb86d3f00 (commit)]
Add schedule_timeout_{,un}interruptible() [http://lwn.net/Articles/149019 (LWN article)] [http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=64ed93a268bc18fa6f72f61420d0e0022c5e38d1 (commit)]
TODO:
Import relevant data from [http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.14-rc5/2.6.14-rc5-mm1/broken-out/post-halloween-doc.patch davej's post halloween document] or remaining stuff from [http://kernelnewbies.org/status/latest.html Kernelnewbies status]
- Find links to corresponding changesets (!!)
- Keep track of what gets changed