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https://github.com/LCTT/TranslateProject.git
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Xingyu Wang
parent
3fad43d1af
commit
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[#]: subject: "Linux Kernel 5.17 Released. This is What’s New"
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[#]: via: "https://www.debugpoint.com/2022/03/linux-kernel-5-17/"
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[#]: author: "Arindam https://www.debugpoint.com/author/admin1/"
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[#]: collector: "lujun9972"
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[#]: translator: "wxy"
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[#]: reviewer: "wxy"
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[#]: publisher: "wxy"
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[#]: url: "https://linux.cn/article-14384-1.html"
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Linux 内核 5.17 发布及新变化
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======
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> Linux 内核 5.17 已经发布，它具有更好的硬件支持和核心模块改进。下面是对新功能的简要介绍，并附有下载和安装细节。
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![Linux 内核 5.17 带来了更多的硬件兼容性][1]
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Linux Torvalds [宣发了][2] Linux 内核 5.17，这是 2022 年第二个稳定版主线内核。这个版本的内核模块中引入了对新处理器、显卡、存储和其他硬件组件的支持。
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比内核 5.16 发布后的时间表稍有延迟，Linux 主线内核 5.17 现在可供下载了。这些更新包括对 AMD Zen 系列设备的温度支持；长期存在的软盘挂起错误，几个 ARM/SoC 支持以及各个子系统的性能改进。
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我们已经在第一个候选版本发布时介绍了大部分变化，下面是对 Linux 内核 5.17 新特性的快速回顾。
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### Linux 内核 5.17 的新内容
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#### 处理器
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Linux 内核中的 ARM64 架构现在包括了<ruby>内核并发净化器<rt>Kernel Concurrency Sanitizer</rt></ruby>（KCSAN）。KSCAN 是一个竞争条件检测器，已经支持了其他架构。而现在 ARM64 也在支持名单上了。另外，<ruby>可扩展矩阵扩展<rt>Scalable Matrix Extensions</rt></ruby>（SME）的初始工作有望为矩阵操作提供更好、更快的支持。
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AMD [带来了][3] 基于 k10temp 的 CPU 温度监控，用于 AMD Zen 系列第 19 代 CPU 型号。
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一组广泛的 Arm/SoC 支持 [进入了][4] Linux 内核 5.17 中。其中主要包括新的 Snapdragon 8 Gen 1 和 X65 平台。其他 SoC 包括恩智浦 i.MX8ULP、德州仪器 J721S2 和瑞萨 R-Car S4-8。
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CPU 的重大变化之一是加入了 AMD 的 P-state 驱动，这是与 Valve 为 Steam Deck 合作开发的。这将提供更好的电源效率，因为透过 ACPI <ruby>协作处理器性能控制<rt>Collaborative Processor Performance Controls</rt></ruby>（CPPC）支持，可以更加细化的控制电源。
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这个内核中另一个重要的 RISC-V 变化是支持 sv48，提供了 48 位虚拟地址空间。这使得内核可以对高达 128TB 的虚拟地址空间进行寻址。
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这个版本带来了很多笔记本电脑、平板电脑的驱动更新。[这里][5] 有一个列表，主要内容是：
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- 为华硕 ROG 笔记本电脑增加了自定义风扇曲线支持。
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- 增加了对<ruby>通用手写笔计划<rt>Universal Stylus Initiative</rt></ruby>（USI）和 NVIDIA Tegra 平板电脑的支持。
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- 对基于 AMD 的笔记本电脑的一些性能改进和修复，涉及到睡眠和声音驱动。
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#### 显卡
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英特尔的 Alder Lake P 显卡经过前一年的多次迭代，现在已经在主线内核上稳定了。这个内核引入了 [对 Raptor Lake S 显卡的首批支持补丁][6]。
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英特尔的 Gen Icelake 显卡家族 [获得了][7] 可变刷新率/自适应同步支持。
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一些较新的笔记本电脑带来了内置的隐私屏幕，预计更多的 OEM 厂商会效仿。另外，值得注意的是，GNOME 桌面和其他公司正计划在之后使用这一隐私功能。所以，为了这个以隐私为中心的功能，最初的架构和代码工作都已经包含在这个内核版本中了。
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你可以在 [这里][9] 找到一个很好的显卡驱动更新列表。
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#### 存储
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在内核的每个版本中都会对所有主要的文件系统和存储技术进行增量更新。这个版本也会有一些：
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* 主要的更新包括流行的 EXT4 文件系统使用新的 Linux 挂载 API。
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* 像往常一样，[F2FS][10]、[Btrfs][11] 和 [XFS][12] 的性能得到改善。
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* FS-Cache 和 CacheFiles 模块 [做了][13] 重大重写。
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#### 杂项硬件更新
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今天谁还在使用软盘？我相信仍然有一些特定的商业用例仍在使用软盘。所以，这就给我们带来了这个特定的补丁，在这个内核版本中。内核中存在一个长期的错误：当系统试图读取一个坏掉的软盘时可能会挂起。所以，这个老毛病终于在这个版本中得到了解决，我希望能让少数仍然使用这种古老存储介质的人为此驻足一下。
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其他值得注意的杂项硬件更新包括：
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* 任天堂 GameCube/Wii/Wii U 实时时钟 [驱动][14]。
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* 一个通用的 USB GNSS（<ruby>全球导航卫星系统<rt>Global Navigation Satellite System</rt></ruby>）驱动程序。
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* Cirrus CS35L41 高清音频编解码器 [驱动][15]。
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* 许多英特尔 Wi-Fi 驱动程序 [改进][16]。
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* 英特尔 Alder Lake N [音频][17] 支持。
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### 如何下载和安装 Linux 内核 5.17
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我们总是建议不要在你的稳定系统中安装最新的主线内核，除非你拥有特定的新硬件或想做实验。对于普通用户来说，最好是通过你的 Linux 发行版（如 Ubuntu、Fedora）的官方部署渠道等待内核的更新。
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如果你仍然想安装，请按照下面的说明来安装 Linux 内核 5.17。
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访问 [主线内核页面][18]。
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有两种类型的构建可供选择：**通用**的和**低延迟**的。对于标准的系统，你可以下载通用的构建，大部分时间都可以工作。对于音频录制和其他需要低延迟的设置，请下载低延迟的。
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通过终端下载以下四个通用软件包并安装：
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```
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wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.17/amd64/linux-headers-5.17.0-051700-generic_5.17.0-051700.202203202130_amd64.deb
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wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.17/amd64/linux-headers-5.17.0-051700_5.17.0-051700.202203202130_all.deb
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wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.17/amd64/linux-image-unsigned-5.17.0-051700-generic_5.17.0-051700.202203202130_amd64.deb
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wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.17/amd64/linux-modules-5.17.0-051700-generic_5.17.0-051700.202203202130_amd64.deb
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```
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安装完毕后，重新启动系统。
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低延迟和其他架构（ARM）的安装指令是一样的。替换上述 `wget` 命令中的软件包名称。你可以在主线内核页面找到它们。
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对于 Arch Linux 用户来说，预计 Linux 内核 5.17 发布包将在 2022 年 4 月第一周的 Arch .iso 月度刷新中到达。
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随着这个版本的发布，合并窗口将为接下来 Linux 内核 5.18 打开。
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--------------------------------------------------------------------------------
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via: https://www.debugpoint.com/2022/03/linux-kernel-5-17/
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作者：[Arindam][a]
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选题：[lujun9972][b]
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译者：[wxy](https://github.com/wxy)
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校对：[wxy](https://github.com/wxy)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://www.debugpoint.com/author/admin1/
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[b]: https://github.com/lujun9972
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[1]: https://www.debugpoint.com/wp-content/uploads/2022/03/kernel517-1024x576.png
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[2]: https://lkml.org/lkml/2022/3/20/213
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[3]: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git/commit/?h=hwmon-next&id=6482dd78c00c6d604ac1c757fb2d8a2be2878654
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[4]: https://lore.kernel.org/linux-arm-kernel/CAK8P3a0RDZpLtWjMEU1QVWSjOoqRAH6QxQ+ZQnJc8LwaV7m+JQ@mail.gmail.com/
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[5]: https://lore.kernel.org/lkml/aea4c26b-25a1-9480-f780-7eb3502a4ce4@redhat.com/T/#u
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[6]: https://lore.kernel.org/dri-devel/87ee6f5h9u.fsf@intel.com/
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[7]: https://lists.freedesktop.org/archives/intel-gfx/2021-November/284109.html
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[8]: https://www.debugpoint.com/2022/01/linux-kernel-5-17-rc1/
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[9]: https://lists.freedesktop.org/archives/dri-devel/2022-January/336492.html
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[10]: https://lore.kernel.org/lkml/YedlHVEa4sdbvB2F@google.com/
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[11]: https://lore.kernel.org/lkml/cover.1641841093.git.dsterba@suse.com/
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[12]: https://lore.kernel.org/lkml/YdyxjTFaLWif6BCM@mit.edu/
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[13]: https://lore.kernel.org/lkml/510611.1641942444@warthog.procyon.org.uk/
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[14]: https://lore.kernel.org/lkml/Yen7oaDXAbd4tFOD@piout.net/
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[15]: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?h=for-next&id=7b2f3eb492dac7665c75df067e4d8e4869589f4a
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[16]: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=bc11517bc8219314948780570ec92814d14d6602
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[17]: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?h=for-next&id=4d5a628d96532607b2e01e507f951ab19a33fc12
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[18]: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.17
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[19]: https://t.me/debugpoint
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[20]: https://twitter.com/DebugPoint
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[21]: https://www.youtube.com/c/debugpoint?sub_confirmation=1
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[22]: https://facebook.com/DebugPoint
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@ -1,151 +0,0 @@
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[#]: subject: "Linux Kernel 5.17 Released. This is What’s New"
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[#]: via: "https://www.debugpoint.com/2022/03/linux-kernel-5-17/"
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[#]: author: "Arindam https://www.debugpoint.com/author/admin1/"
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[#]: collector: "lujun9972"
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[#]: translator: "wxy"
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[#]: reviewer: " "
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[#]: publisher: " "
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[#]: url: " "
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Linux Kernel 5.17 Released. This is What’s New
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======
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LINUX KERNEL 5.17 IS RELEASED WITH BETTER HARDWARE SUPPORT AND CORE
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MODULE IMPROVEMENTS. HERE’S A QUICK SUMMARY OF THE NEW FEATURES WITH
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DOWNLOAD AND INSTALLATION DETAILS.
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![Linux Kernel 5.17 Brings More Hardware Compatibility][1]
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Linux Torvalds [announced the release][2] of Linux Kernel 5.17 as the second stable mainline Kernel release of 2022. This release introduces support for new processors, graphics, storage and other hardware components across all Kernel modules.
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Following the timeline and with just a slight delay since the Kernel 5.16 release, the mainline Linux Kernel 5.17 is now available for you to download. The updates include temperature support for the AMD Zen family of devices; a long-standing Floppy Disk hangs bug, a handful of ARM/SoC support and performance improvements across all subsystems.
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Although we have covered most of the changes during the first release candidate, here’s a quick recap of the Linux Kernel 5.17 new features.
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### Linux Kernel 5.17 – What’s New
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#### Processor
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The ARM64 architecture in Linux Kernel is now included with Kernel Concurrency Sanitizer (KCSAN). KSCAN is a race condition detector that already had support for other architectures. And now ARM64 is on the list. Also, initial work for Scalable Matrix Extensions (SME) promises to provide better and faster support for Matrix operations.
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AMD [brings][3] the k10temp-based CPU temperature monitoring for the AMD Zen family 19h CPU models.
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An extensive set of Arm/SoC support [lands][4] in Linux Kernel 5.17. The major one includes the new Snapdragon 8 Gen 1 and X65 platforms. Other SoC includes – NXP i.MX8ULP, Texas Instruments J721S2, and Renesas R-Car S4-8.
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One of the significant CPU changes is the inclusion of the AMD P-state driver, which is developed in collaboration with Valve for the Steam Deck. This will lead to better power efficiency because of more granular controls on power due to ACPI Collaborative Processor Performance Controls (CPPC) exposure.
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Another significant RISC-V change in this Kernel is sv48 support, allowing 48-bit virtual address space. This enables the Kernel to address up to 128 TB of virtual address space.
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This release brings a lot of laptops, Tablet driver updates. A list is available [here][5]. However, here are the major ones.
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Custom fan curve support added for ASUS ROG Laptops.
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Support for Universal Stylus Initiative (USI) and NVIDIA Tegra Tablets has been added.
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Some performance improvement and fix for AMD based Laptops related to sleep and Sound drivers.
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#### Graphics
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Intel’s Alder Lake P graphics are now stable in mainline after many iterations over the previous year. So, that brings us to Intel’s new Raptor Lake S graphics. This Kernel introduces an [initial batch of support for Raptor Lake S graphics][6].
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Intel’s Gen Icelake graphics card family [gets][7] the Variable Refresh Rate/Adaptive-Sync support.
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Some newer Laptops bring built-in privacy screens and expect more OEMs to follow suit. Also, it’s worth noting that GNOME Desktop and others are planning to use this privacy feature in the coming days. So, initial architecture and code work are included in this Kernel release for this privacy-centric feature.
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[][8]
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SEE ALSO: Linux Kernel 5.17 RC1 Unveils New Features and Hardware Support
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You can find a good list of graphics driver updates [here][9].
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#### Storage
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We get incremental updates to all major file systems and storage technology in every Kernel release. This release is also getting some.
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* Major updates include popular EXT4 file system uses new Linux Mount API.
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* Performance improvements in [F2FS][10], [Btrfs][11] and [XFS][12], like usual.
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* The FS-Cache and CacheFiles modules [receives][13] major re-write.
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#### Misc Hardware Updates
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Who uses Floppy disks today? I am sure there are still some business-specific use cases where Floppy Disks are still in use. So, that brings us to this specific patch that lands in this Kernel release. There was a long time bug in Kernel – where the system may hang where trying to read a broken Floppy disk. So, this old bug is finally addressed in this release, and I hope to give a pause to the few folks who still use this ancient storage medium.
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* Other notable misc hardware updates includes –
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* Nintendo GameCube / Wii / Wii U real-time clock [driver][14].
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* A generic USB GNSS (Global Navigation Satellite System) driver.
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* Cirrus CS35L41 HD audio codec [driver][15].
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* Many Intel Wi-Fi driver [improvements][16].
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* Intel Alder Lake N [audio][17] support.
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### How to Download and Install Linux Kernel 5.17
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We always recommend not to install the latest mainline Kernel in your stable system unless you possess specific new hardware or wants to experiment. For general users, it is always best to wait for the Kernel update via your Linux Distribution’s (e.g. Ubuntu, Fedora) official deployment channel.
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If you still want to install, follow the below instructions to install Linux Kernel 5.17.
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Visit the [mainline kernel page][18].
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There are two types of builds available – and **lowlatency**. For standard systems, you can download generic builds that work most of the time. For audio recordings and other setups that require low latency, download the lowlatency one.
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Download below four packages for generic via terminal and install.
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```
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wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.17/amd64/linux-headers-5.17.0-051700-generic_5.17.0-051700.202203202130_amd64.deb
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wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.17/amd64/linux-headers-5.17.0-051700_5.17.0-051700.202203202130_all.deb
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wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.17/amd64/linux-image-unsigned-5.17.0-051700-generic_5.17.0-051700.202203202130_amd64.deb
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wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.17/amd64/linux-modules-5.17.0-051700-generic_5.17.0-051700.202203202130_amd64.deb
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```
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After installation, reboot the system.
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The instruction for lowlatency and other architecture (ARM) installations are the same. Replace the package name in the above wget commands. You can find them on the mainline Kernel page.
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For Arch Linux users, it is expected that Linux Kernel 5.17 release packages arrive within the April 2022 first week during monthly Arch .iso refresh.
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With this release, the merge window opens for the following Linux Kernel 5.18.
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* * *
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We bring the latest tech, software news and stuff that matters. Stay in touch via [Telegram][19], [Twitter][20], [YouTube][21], and [Facebook][22] and never miss an update!
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##### Also Read
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--------------------------------------------------------------------------------
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via: https://www.debugpoint.com/2022/03/linux-kernel-5-17/
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||||
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作者：[Arindam][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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||||
校对：[校对者ID](https://github.com/校对者ID)
|
||||
|
||||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
|
||||
|
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[a]: https://www.debugpoint.com/author/admin1/
|
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[b]: https://github.com/lujun9972
|
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[1]: https://www.debugpoint.com/wp-content/uploads/2022/03/kernel517-1024x576.png
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[2]: https://lkml.org/lkml/2022/3/20/213
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[3]: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git/commit/?h=hwmon-next&id=6482dd78c00c6d604ac1c757fb2d8a2be2878654
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[4]: https://lore.kernel.org/linux-arm-kernel/CAK8P3a0RDZpLtWjMEU1QVWSjOoqRAH6QxQ+ZQnJc8LwaV7m+JQ@mail.gmail.com/
|
||||
[5]: https://lore.kernel.org/lkml/aea4c26b-25a1-9480-f780-7eb3502a4ce4@redhat.com/T/#u
|
||||
[6]: https://lore.kernel.org/dri-devel/87ee6f5h9u.fsf@intel.com/
|
||||
[7]: https://lists.freedesktop.org/archives/intel-gfx/2021-November/284109.html
|
||||
[8]: https://www.debugpoint.com/2022/01/linux-kernel-5-17-rc1/
|
||||
[9]: https://lists.freedesktop.org/archives/dri-devel/2022-January/336492.html
|
||||
[10]: https://lore.kernel.org/lkml/YedlHVEa4sdbvB2F@google.com/
|
||||
[11]: https://lore.kernel.org/lkml/cover.1641841093.git.dsterba@suse.com/
|
||||
[12]: https://lore.kernel.org/lkml/YdyxjTFaLWif6BCM@mit.edu/
|
||||
[13]: https://lore.kernel.org/lkml/510611.1641942444@warthog.procyon.org.uk/
|
||||
[14]: https://lore.kernel.org/lkml/Yen7oaDXAbd4tFOD@piout.net/
|
||||
[15]: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?h=for-next&id=7b2f3eb492dac7665c75df067e4d8e4869589f4a
|
||||
[16]: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=bc11517bc8219314948780570ec92814d14d6602
|
||||
[17]: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?h=for-next&id=4d5a628d96532607b2e01e507f951ab19a33fc12
|
||||
[18]: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.17
|
||||
[19]: https://t.me/debugpoint
|
||||
[20]: https://twitter.com/DebugPoint
|
||||
[21]: https://www.youtube.com/c/debugpoint?sub_confirmation=1
|
||||
[22]: https://facebook.com/DebugPoint
|
||||
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Reference in New Issue
Block a user