Fedora 26 crashes

Justin Theroux: Jennifer Aniston Talks 'Friends' Reunion ...

We spend a lot of time trying to figure out how we can best spend our resources to produce the best desktop possible for our users, because even though Red Hat invests more into the Linux desktop than any other company by quite a margin, our resources are still far from limitless. So we have a continuous effort of asking ourselves if each of the areas we are investing in are the right ones that give our users the things they need the most, so below is a sampling of the things we are working on. Felt it been to long since I did another Fedora Workstation update.

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Arch linux for arm

Raspberry Pi Linux OS Review

The arch-ports mailing list and #archlinux-ports IRC channel on Freenode will be used for further coordination. However, as there is still some interest in keeping i686 alive, we would like to encourage the community to make it happen with our guidance.

The Raspberry Pi line of mini computers — including the all-new Pi Zero W — are wonderful devices for what they are. Quite frankly, they have inspired many young people to learn about programming, while helping makers to create some really cool projects. With that said, the Pi computers are not the only System on a Chip solutions on the market.

If you have a PHP code base with some statsd calls amongst slow / data-intensive code to generate complex pages, there won’t be much difference. But I have conducted cpu profiling of high-performance Golang applications, both at Vimeo and raintank, and when statsd was used, the apps were often spending most of their time in UDP writes caused by statsd invocations. There are some statsd clients that buffer messages and send batches of data to statsd, reducing the UDP writes, which is a lot more efficient. This does come with some problems however, see the gotcha below. This is a common, and the original setting, for statsd instrumentation calls. Typically they were using a simple statsd client, where each statsd call corresponds to a UDP write. Other code running, and its performance. You can also use sampling to lower the volume.

The rest have a command to configure the driver run_command to the correct systemd binary for that distribution. Service enabled when the package is installed, so we only have to have one provision command to enable sshd for opensuse. All of these distributions except for opensuse have sshd.

arch linux for arm

Bytes_free) Graphite returns the sum of all bytes_free’s for all your servers, at each point in time. Graphite functions don’t exactly follow the rules of logic (by design). When you request something like sumSeries(diskspace. 2) Null handling in math functions. However, if only some – but not all – of the terms are null, they are counted as 0. If all of the servers have a null for a given timestamp, the result will be null as well for that time.

As a bonus, scripts like Composer work fine with the default configuration now. While this requires a more responsible configuration by the user it also eliminates some surprises. And after all this is the Arch way. With PHP 7 I am trying to move closer to upstream defaults and be less opinionated.

It is simple to use, extremely cost effective and, more than once, it has saved me from myself; making it easy to retrieve copies of files that I have inadvertently overwritten or otherwise done stupid things with1. I started using Tarsnap about three years ago and I have been nothing but impressed with it since. When I first posted about it, I included a simple wrapper script, which has held up pretty well over that time.

Pics Photos - 2560 X 1440

04 für das Abbild, das am 4. Es wird nun jeweils zum Monatsanfang ein neues Abbild angeboten, welches das Veröffentlichungsdatum als Version im Dateinamen trägt; beispielsweise 2013. 8, 2007), Duke (als Version 2007.  Juli 2012[14] wurde angekündigt, dass das Installationsprogramm durch einen Satz einfacher Skripte ersetzt werde, um Verzögerungen im Release-Zyklus zu vermeiden. Frühe Installationsabbilder hatten Namen, so erschien Version 0. 05), Don’t Panic, Core Dump (2008) und Overlord als letztes Release mit Namen. März 2002 unter dem Namen Homer; es folgten Vega, Firefly, Dragon, Nova (2003), Widget (2004), Wombat (2005), Noodle (2006), Gimmick, Voodoo (als Version 0.

Arch Linux for Chromebook. Download Arch-Linux-for-ARM-Chromebook for free. This contains a script to run in the crosh shell.

Updating/upgrading to the
latest Arch Linux ARM release.

3 and the keyring package. While this was already possible in the past, it is now way easier to get started thanks to pacman 4. Once you have verified the finger prints of the five master keys you might want to actually configure pacman to verify packages.

Technologies like OpenStack and DC/OS, powered by Apache Mesos, are allowing them to replicate much of the functionality that was previously only available with proprietary, hosted solutions. Taking this one step further, several open source projects and organizations have begun full-scale open sourcing of their infrastructures, allowing other organizations to directly benefit from their Continuous Integration tooling and more. Today, following a rush to cloud, companies are now looking for open source tooling to build cloud-like environments in their own new data centers. Complete infrastructures have now become open source projects unto themselves, and operations engineers becoming more experienced open source contributors, alongside their developer colleagues.

arch linux for arm

Hosting minecraft on azure

hosting minecraft on azure

For example, a viewer could throw in challenges to the game or change the player’s weapons. Microsoft is also enhancing the digital inking capabilities in Office. Beam will let viewers interact in real-time with a player who is streaming a game. And for gamers, And for gamers, Microsoft is introducing a new technology it acquired in August called Beam into both Windows 10 and Xbox One.

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Linux ubuntu ip address

Install Webmin On Ubuntu 14 15 and 16 | Unixmen

Обратите внимание на то, что первый редактор запускается в терминале и может быть использован как при запуске Ubuntu с графическим интерфейсом, так и без него, а «gedit» можно использовать только при включенной графической среде. В руководстве приведены примеры редактирования конфигурационных файлов с помощью текстовых редакторов «nano» и «gedit».

Español: asignar una dirección de IP a una computadora Linux , Deutsch: EInem Linux COmputer eine IP Adresse zuweisen , Português: Atribuir um Endereço IP em um Computador Linux , Italiano: Assegnare un Indirizzo IP in un Computer Linux , Русский: назначить IP адрес в Linux , Français: assigner une adresse IP sur un ordinateur Linux , Bahasa Indonesia: Memberikan Alamat IP pada Komputer Linux , Nederlands: Een IP adres toewijzen aan een Linux computer.

Steps 1) Open the terminal and check network interface file. In this post, I’m going to share on how to set static IP address and networking details in Kali Linux.

If we had already connected to this server previously then the host key would already be in our known_hosts file and we wouldn’t have to respond yes or no regardless. Now if we wanted to skip StrictHostKeyChecking all together we could use the -o switch as shown in the below examples which would automatically add the far end servers RSA key fingerprint or “host key” to our known_hosts file.

linux ubuntu ip address

In Linux Ubuntu I know I should use the. Anyone have any idea of a shot-gun
method of releasing IP-addresses and then renewing them in .

Are there any command to return my computer IP address in Ubuntu. Are there any command to return my computer IP address in. Are there any command to return my computer IP address. To get the plain IP. How to get my ip address. Are there any command to return my computer IP address in Ubuntu.

Administration CentOS Debian Fedora Linux Ubuntu Assign range of IP addresses to an. Administration CentOS Debian Fedora Linux Tips and Tricks Ubuntu How to Manage a Linux. Category Archives: Ubuntu CentOS Debian Fedora Linux Ubuntu TOP 50 LINUX COMMANDS. CentOS Debian Fedora FreeBSD.

Setting Up a Minecraft Server Using Docker - Part 1

Il est parfois intéressant de disposer d’une adresse IP. (RHEL, CentOS, Fedora) ou ) base Debian (Debian, Ubuntu). Fixer une adresse IP statique sur Linux.

Появится «псевдографическое» 2) окно в терминале. Следующий вопрос – устанавливать ли подключение автоматически при загрузке компьютера. Утилита произведет поиск сетевых устройств и выведет их на экран, далее она произведет поиск модема 3) на этих устройствах. Последний вопрос утилиты – установить ли соединение сейчас. Pppoeconf по умолчанию создает для подключения имя dsl-provider. Далее Вам предложат ограничить размер MSS до 1452-х байт – как правило, стоит согласиться. Теперь – выбор способа указания DNS серверов. Следующий шаг – выбор «популярных параметров» – в большинстве случаев стоит согласиться. Если на этом этапе pppoeconf выдаст отрицательный результат – проверьте правильность подключения, питание модема. Опять же, в большинстве случаев следует согласиться на получение адресов DNS серверов автоматически. Далее утилита запросит Ваш логин, а затем – пароль. Управлять подключением Вы можете при помощи команд:.

При установке виртуальной системы выдаёт “SMBus base address uninitialized” – Ubuntu Linux.

CentOS Debian Fedora Linux Ubuntu TOP 50 LINUX COMMANDS. Administration CentOS Debian Fedora Linux Tips and Tricks Ubuntu How to Manage a Linux. May 27, 2015 / Modified 2 years. CentOS Debian Fedora FreeBSD. Administration CentOS Debian Fedora Linux Ubuntu Assign range of IP addresses to an.

Вернуть управление Network Manager можно следующим образом. Замечание: при настройке соединения с помощью pppoeconf часть настроек записывается в /etc/network/interfaces, в результате чего Network Manager больше не может управлять сетью. Выход: либо использовать только NM, либо только консоль+конфиги. Приведите /etc/network/interfaces к следующему виду (лишнее не обязательно удалять, достаточно закомментировать):.

linux ubuntu ip address

Linux kernel quiet

Android for Pc - BlogBits

It also wouldn’t really be fitting to start this list without there being an entry for flash 🙂 So, here are some of the big updates for Mageia 6:. So this is the first time that there has been a Mageia 6 heading here, which is a nice addition, to say the least.

The kernel fixed them up. The MTRRs were inconsistent, but they aren’t anymore. While it isn’t absolutely proper, it is very common. In English, using “had” as past or past perfect tense commonly implies that the condition no longer exists. Everything is fine now.

(February 16, 2017) Steve Longerbeam: i. (February 21, 2017) Eugeniy Paltsev: dmaengine: Add DW AXI DMAC driver. The block layer has also gained support for the Opal storage specification, providing a mechanism for the encryption of stored data. (February 21, 2017) Hugues Fruchet: Add support for MPEG-2 in DELTA video decoder. (February 19, 2017) Architecture-specific Tom Lendacky: x86: Secure Memory Encryption (AMD). There is a new type for the implementation of reference counters called refcount_t; its purpose is to facilitate defenses against reference-count overflows. (February 20, 2017) Yannick Fertre: STM32 LCD-TFT display controller. That is useful in its own right, but the real news is that it enables the merging of the long-awaited BFQ I/O scheduler. (February 20, 2017) James Bottomley: [RFC v2 0/1] shiftfs: uid/gid shifting filesystem (s_user_ns version). (February 21, 2017) Icenowy Zheng: Initial Allwinner Display Engine 2. There are two new interfaces for working with the kref type: KREF_INIT() to initialize a kref, and kref_read() to read the embedded counter’s value. That would bring back all of the problems that this rule was created to avoid. (February 20, 2017) Tom Herbert: xdp: Infrastructure to generalize XDP. The PAX “structleak” GCC plugin has been ported to the mainline. Heo’s current patch will not support this mode, though, since threaded groups cannot be contained within the same parent group as non-threaded groups. 10-ck1 / MuQSS CPU scheduler 0. The process P1 is contained within A, while P2 and P3 are inside B. (February 20, 2017) Hoegeun Kwon: Add support for the S6E3HA2 panel on TM2 board. (February 22, 2017) Miscellaneous Cody Santing: systemtap 3. (February 17, 2017) Baolin Wang: Introduce usb charger framework to deal with the usb gadget power negotation. Scheduler maintainer Peter Zijlstra, who has been an ongoing critic of the control-group changes, was not entirely pleased with this version either. Pin control: TI IODelay pin controllers, Intel Gemini Lake pin and GPIO controllers, Allwinner H5 SoC pin controllers, and STMicroelectronics STM32H743 pin controllers. That would complicate things even further and, in the absence of compelling use cases calling for it, that mode seems unlikely to be implemented. Comments (none posted) Control-group thread mode By Jonathan Corbet
February 22, 2017 The transition to the version-2 control-group API has been underway for a few years now. Alas, this feature would appear to be entirely undocumented in the kernel. (February 20, 2017) Patrick Vogelaar: add driver for cypress cy8cmbr3102. (February 20, 2017) Greg KH: Linux 4. The intermediate group could be hidden from administrators, but it would need to be there internally. (February 22, 2017) Memory management Anshuman Khandual: Enable parallel page migration. Txt for more information. This group can then be populated with a hierarchy of “thread groups” below it. When the control-group interface was reworked, two fundamental design decisions shaped the result in ways that are relevant to the CPU controller. Thread groups look like regular control groups, but with some significant differences: they can contain both threads and other thread groups, and a single process’s threads can be spread across multiple thread groups. (February 17, 2017) Kirill A. (February 20, 2017) Heikki Krogerus: USB Type-C Connector class. (February 20, 2017) Enric Balletbo i Serra: Add support for cros-ec-extcon driver. Some information can seemingly be found in RFC 7609 and this slide deck [PDF]. So, rather than putting T1 directly in the root group as shown above, it would be placed in a new group (call it “C”), and C would be located under the root. In this example, the “processes” P2 and P3 could, in fact, be threads belonging to the same process. Control groups would no longer be allowed to contain both processes and other groups; instead, control groups would be internal to the group hierarchy and processes would be placed only at the leaves. 11 release can be expected at the end of April. (February 20, 2017) Jozsef Kadlecsik: ipset 6. (February 16, 2017) sean. Wong: vfs/xfs/ext4: GETFSMAP support. That restriction exists because to do otherwise would be a violation of the “no internal processes” rule. Consider, for example, a traditional control-group hierarchy that looks like this: There are two control groups (“A” and “B”) below the root group. (February 16, 2017) David Daney: genirq/gpio: Add driver for ThunderX and OCTEON-TX SoCs. The new API also differs from the original in that it only allows entire processes to be placed within a group; if a process is multi-threaded, all of its threads must be in the same group. H> refcount_t count = REFCOUNT_INIT(initial_value); void refcount_set(refcount_t *r, unsigned int n); unsigned int refcount_read(const refcount_t *r); bool refcount_add_not_zero(unsigned int i, refcount_t *r); void refcount_add(unsigned int i, refcount_t *r); bool refcount_inc_not_zero(refcount_t *r); void refcount_inc(refcount_t *r); bool refcount_sub_and_test(unsigned int i, refcount_t *r); bool refcount_dec_and_test(refcount_t *r); void refcount_dec(refcount_t *r); bool refcount_dec_if_one(refcount_t *r); bool refcount_dec_not_one(refcount_t *r); bool refcount_dec_and_mutex_lock(refcount_t *r, struct mutex *lock); bool refcount_dec_and_lock(refcount_t *r, spinlock_t *lock); See this commit for the full interface and implementation. (February 16, 2017) Corentin Labbe: net-next: stmmac: add dwmac-sun8i ethernet driver. (February 16, 2017) Imran Khan: soc: qcom: Add SoC info driver. The version-2 API make such configurations impossible, though, to the dismay of users who felt they had lost an important capability. When a threaded group would share the same parent group as a non-threaded group, the answer is to interpose another group. (February 22, 2017) Icenowy Zheng: [PATCH 4/8] drm/sun4i: add support for sun8i DE2 mixers and display engines. The use case he has in mind involves running a threaded workload directly out of the root group, resulting in a hierarchy looking something like this: The main reason for running the workload in the root group would appear to be performance; there is a small cost to putting processes lower in the hierarchy. (February 20, 2017) Darrick J. For non-thread-capable controllers, the thread groups would vanish and the processes contained therein would appear to be contained in the parent — the root group in this case. (February 22, 2017) Security-related Mickaël Salaün: Landlock LSM: Toward unprivileged sandboxing. (February 17, 2017) Vikas Shivappa: x86/intel_rdt: Intel Memory bandwidth allocation. The purpose here is to better hide the internals of this structure so that they can be changed to use the new refcount_t type. In a nutshell, this API looks like: #include

Some controllers, though, can work well in a more flexible mode; the CPU controller is at the top of that list. It makes sense for processes to compete with control groups for the CPU, and it is often desirable to apply different CPU-usage policies to different threads within the same process. A separate “resource groups” mechanism was proposed almost one year ago, for example, but it brought little satisfaction and did not get far. Potential solutions to this problem have been under discussion for some time. The version-2 API make such configurations impossible, though, to the dismay of users who felt they had lost an important capability.

linux - Kernel panic involving an unknown_bootoption maybe ...

11 release can be expected at the end of April. 11 merge window will remain open through March 5, and the final 4. If the usual schedule holds, the 4. As usual, LWN will continue to watch the patch stream and summarize the rest of the merge window in the coming weeks.

Even without access to your bootloader it is possible to change your kernel parameters to enable debugging (if you have root access). However /proc/cmdline is not writable even as root, so this hack is accomplished by using a bind mount to mask the path. This can be accomplished by overwriting /proc/cmdline which stores the kernel parameters.

That restriction exists because to do otherwise would be a violation of the “no internal processes” rule. That would bring back all of the problems that this rule was created to avoid. For non-thread-capable controllers, the thread groups would vanish and the processes contained therein would appear to be contained in the parent — the root group in this case.

linux kernel quiet

Assuming you’re not forcing your motherboard to use an invalid system clock (i. The Abit BP6 is notorious for this flaw, but it’s not unheard of on other boards (such as the Gigabyte BXD), and it’s possible on any board that uses APICs. AGP other than 66 MHz), this is strictly a physical design flaw in your motherboard.

Самый большой, важный и, как многие думают – сложный шаг в начале работы с Ubuntu – это ее.

Linux Kernel Module Programming – 06 Char Driver, Block Driver, Overview of Writing Device Driver – Продолжительность: 10:17 SolidusCode 43 482.

(February 22, 2017) Device driver infrastructure Jarkko Sakkinen: in-kernel resource manager. (February 17, 2017) Ramiro Oliveira: Add support for Omnivision OV5647. There is a new type for the implementation of reference counters called refcount_t; its purpose is to facilitate defenses against reference-count overflows. A hierarchy using this feature might look like this: The thread groups (“T1” and “T2”) form their own hierarchy below B, which has been marked as a thread point. Most resource controllers work with the new interface, but there is a notable exception in the form of the CPU controller, which has been stalled as a result of disagreements over thread-level control. The purpose here is to better hide the internals of this structure so that they can be changed to use the new refcount_t type. (February 20, 2017) Karel Zak: util-linux v2. There are solid reasons for these decisions: for many controllers, it is difficult to define rational semantics when processes and groups are competing in the same parent group, and a number of resources (memory usage, for example) are not amenable to control at the thread level. That would be a welcome end to a project that has taken rather longer than anybody involved would have expected or wanted. (February 20, 2017) Yannick Fertre: STM32 LCD-TFT display controller. If the usual schedule holds, the 4. That would complicate things even further and, in the absence of compelling use cases calling for it, that mode seems unlikely to be implemented. A separate “resource groups” mechanism was proposed almost one year ago, for example, but it brought little satisfaction and did not get far. (February 20, 2017) Hoegeun Kwon: Add support for the S6E3HA2 panel on TM2 board. (February 20, 2017) Con Kolivas: linux-4. This plugin will force the initialization of structures that are copied to user space in the hope of preventing information leaks. With the new thread mode, the administrator can designate any empty control group as being a “thread point”. Txt for more information. The intermediate group could be hidden from administrators, but it would need to be there internally. (February 20, 2017) Tom Herbert: xdp: Infrastructure to generalize XDP. Wong: vfs/xfs/ext4: GETFSMAP support. This group can then be populated with a hierarchy of “thread groups” below it. It makes sense for processes to compete with control groups for the CPU, and it is often desirable to apply different CPU-usage policies to different threads within the same process. Com: leds: add leds-mt6323 support on MT7623 SoC. Thread groups look like regular control groups, but with some significant differences: they can contain both threads and other thread groups, and a single process’s threads can be spread across multiple thread groups. The new API also differs from the original in that it only allows entire processes to be placed within a group; if a process is multi-threaded, all of its threads must be in the same group. (February 17, 2017) Vikas Shivappa: x86/intel_rdt: Intel Memory bandwidth allocation. This hierarchy follows the rules, since all processes are found at the leaves. (February 20, 2017) Greg KH: Linux 4. (February 17, 2017) Hemant Kumar: IMC Instrumentation Support. When the control-group interface was reworked, two fundamental design decisions shaped the result in ways that are relevant to the CPU controller. (February 20, 2017) Enric Balletbo i Serra: Add support for cros-ec-extcon driver. So, rather than putting T1 directly in the root group as shown above, it would be placed in a new group (call it “C”), and C would be located under the root. (February 22, 2017) Memory management Anshuman Khandual: Enable parallel page migration. Control groups would no longer be allowed to contain both processes and other groups; instead, control groups would be internal to the group hierarchy and processes would be placed only at the leaves. The PAX “structleak” GCC plugin has been ported to the mainline. Comments (none posted) Patches and updates Kernel trees Linus Torvalds: Linux 4. (February 20, 2017) James Bottomley: [RFC v2 0/1] shiftfs: uid/gid shifting filesystem (s_user_ns version). (February 20, 2017) Networking Jiri Pirko: Add support for pipeline debug (dpipe). (February 22, 2017) Page editor: Jonathan Corbet
Next page: Distributions>>. (February 20, 2017) Jacopo Mondi: Renesas RZ/A1 pin and gpio controller. As usual, LWN will continue to watch the patch stream and summarize the rest of the merge window in the coming weeks. When a threaded group would share the same parent group as a non-threaded group, the answer is to interpose another group. Control-group maintainer Tejun Heo’s latest attempt is called “thread mode”. In particular, he disliked the constraint that the thread groups can only appear at the bottom of the hierarchy. (February 16, 2017) Steve Longerbeam: i. (February 16, 2017) Imran Khan: soc: qcom: Add SoC info driver. (February 22, 2017) Miscellaneous Cody Santing: systemtap 3. That would bring back all of the problems that this rule was created to avoid. For non-thread-capable controllers, the thread groups would vanish and the processes contained therein would appear to be contained in the parent — the root group in this case. (February 16, 2017) Andrey Smirnov: i. (February 20, 2017) Chris Zhong: Rockchip dw-mipi-dsi driver. But it seems possible that this work might finally be on a path where it can get past the roadblocks that have kept it out of the mainline until now. (February 20, 2017) Zi Yan: Accelerating page migrations. (February 20, 2017) Device drivers thor. Zijlstra had actually wanted to make things even more flexible by allowing a threaded group to contain a non-threaded group — essentially doing the thread-point transition in reverse. Potential solutions to this problem have been under discussion for some time. 11 release can be expected at the end of April. 10-ck1 / MuQSS CPU scheduler 0. The use case he has in mind involves running a threaded workload directly out of the root group, resulting in a hierarchy looking something like this: The main reason for running the workload in the root group would appear to be performance; there is a small cost to putting processes lower in the hierarchy. Com: Add Arria10 System Manager Reset Controller. Heo’s current patch will not support this mode, though, since threaded groups cannot be contained within the same parent group as non-threaded groups. Resource controllers that are not explicitly enabled for thread mode will never see the hierarchy above; instead, the thread groups will, from their point of view, be collapsed out of existence and the hierarchy will look as it did in the first diagram above. (February 21, 2017) Hugues Fruchet: Add support for MPEG-2 in DELTA video decoder. (February 20, 2017) Core kernel code Alexey Gladkov: Add pidfs filesystem. Some controllers, though, can work well in a more flexible mode; the CPU controller is at the top of that list. (February 21, 2017) Icenowy Zheng: Initial Allwinner Display Engine 2. (February 16, 2017) David Daney: genirq/gpio: Add driver for ThunderX and OCTEON-TX SoCs. Comments (none posted) Control-group thread mode By Jonathan Corbet
February 22, 2017 The transition to the version-2 control-group API has been underway for a few years now. (February 17, 2017) Baolin Wang: Introduce usb charger framework to deal with the usb gadget power negotation. (February 17, 2017) Kirill A. That restriction exists because to do otherwise would be a violation of the “no internal processes” rule. There are two new interfaces for working with the kref type: KREF_INIT() to initialize a kref, and kref_read() to read the embedded counter’s value. (February 19, 2017) Architecture-specific Tom Lendacky: x86: Secure Memory Encryption (AMD). The process P1 is contained within A, while P2 and P3 are inside B. (February 21, 2017) Filesystems and block I/O Deepa Dinamani: vfs: Add timestamp range check support. Note that T1 is able to contain both the thread group T2 and the process P3. That moves the threaded group back out to a leaf, resolving the issues. (February 16, 2017) Corentin Labbe: net-next: stmmac: add dwmac-sun8i ethernet driver. (February 21, 2017) Artur Paszkiewicz: Partial Parity Log for MD RAID 5. Scheduler maintainer Peter Zijlstra, who has been an ongoing critic of the control-group changes, was not entirely pleased with this version either. There was some strongly worded back-and-forth over whether Zijlstra’s use case was something that needed to be (or could be) supported but, in the end, both developers were clearly interested in working out a solution that satisfied the constraints. (February 22, 2017) Icenowy Zheng: [PATCH 4/8] drm/sun4i: add support for sun8i DE2 mixers and display engines. (February 19, 2017) Greg KH: Linux 4. (February 16, 2017) sean. (February 20, 2017) Darrick J. Rather than create a new “resource group” abstraction under application control, it extends the control-group mechanism to provide special groups at the leaves of the hierarchy. The form that solution will take is not entirely clear, but Heo outlined one possibility. (February 22, 2017) Security-related Mickaël Salaün: Landlock LSM: Toward unprivileged sandboxing. (February 20, 2017) Elena Reshetova: Kernel subsystem refcounter conversions. (February 20, 2017) Patrick Vogelaar: add driver for cypress cy8cmbr3102. 11 merge window will remain open through March 5, and the final 4. There will, undoubtedly, be further disagreements to be worked out. This type should be used instead of atomic_t for reference counters; expect a set of conversions of existing atomic_t reference-counting usage over the next development cycle or two. Zijlstra would still like to apply full resource control to other groups that might, for example, contain a virtual machine running some sort of secondary workload. The kernel now has a SipHash implementation, providing hashing that should be both faster and more secure. A new proposal for a control-group “thread mode” has generated more disagreement but, maybe, some hope for a resolution as well. (February 20, 2017) Heikki Krogerus: USB Type-C Connector class. (February 21, 2017) Eugeniy Paltsev: dmaengine: Add DW AXI DMAC driver. (February 21, 2017) Peter Pan: Introduction to SPI NAND framework. H> refcount_t count = REFCOUNT_INIT(initial_value); void refcount_set(refcount_t *r, unsigned int n); unsigned int refcount_read(const refcount_t *r); bool refcount_add_not_zero(unsigned int i, refcount_t *r); void refcount_add(unsigned int i, refcount_t *r); bool refcount_inc_not_zero(refcount_t *r); void refcount_inc(refcount_t *r); bool refcount_sub_and_test(unsigned int i, refcount_t *r); bool refcount_dec_and_test(refcount_t *r); void refcount_dec(refcount_t *r); bool refcount_dec_if_one(refcount_t *r); bool refcount_dec_not_one(refcount_t *r); bool refcount_dec_and_mutex_lock(refcount_t *r, struct mutex *lock); bool refcount_dec_and_lock(refcount_t *r, spinlock_t *lock); See this commit for the full interface and implementation. (February 20, 2017) Anup Patel: Broadcom SBA RAID support. Consider, for example, a traditional control-group hierarchy that looks like this: There are two control groups (“A” and “B”) below the root group. The version-2 API make such configurations impossible, though, to the dismay of users who felt they had lost an important capability. (February 20, 2017) Jozsef Kadlecsik: ipset 6. (February 22, 2017) Willem de Bruijn: socket sendmsg MSG_ZEROCOPY. In this example, the “processes” P2 and P3 could, in fact, be threads belonging to the same process. (February 19, 2017) Sebastian Andrzej Siewior: v4. The real proof will come with a subsequent version of the patch set. In a nutshell, this API looks like: #include

When a threaded group would share the same parent group as a non-threaded group, the answer is to interpose another group. The intermediate group could be hidden from administrators, but it would need to be there internally. There was some strongly worded back-and-forth over whether Zijlstra’s use case was something that needed to be (or could be) supported but, in the end, both developers were clearly interested in working out a solution that satisfied the constraints. That moves the threaded group back out to a leaf, resolving the issues. The form that solution will take is not entirely clear, but Heo outlined one possibility. So, rather than putting T1 directly in the root group as shown above, it would be placed in a new group (call it “C”), and C would be located under the root.

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