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description/scheduler: Autonuma pseudo-interleaving in NUMA placement
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Cheng Jian
@@ -201,14 +201,27 @@ SGX 旨在以硬件安全为强制性保障, 不依赖于固件和软件的安
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| 2021/08/30 | Yu-cheng Yu <yu-cheng.yu@intel.com> | [Control-flow Enforcement: Indirect Branch Tracking](https://patchwork.kernel.org/project/linux-mm/cover/20210830182221.3535-1-yu-cheng.yu@intel.com) | 控制流执行(CET) 是英特尔处理器的一个新特性, 它可以阻止面向返回/跳转的编程攻击. 详情见 ["Intel 64 and IA-32架构软件开发人员手册"](https://software.intel.com/content/www/us/en/develop/download/intel-64-and-ia-32-architectures-sdm-combined-volumes-1-2a-2b-2c-2d-3a-3b-3c-3d-and-4.html). 这是 CET 的第二部分, 支持间接分支跟踪(IBT). 它是建立在阴影堆栈系列之上的. | v1 ☐ | [Patchwork v30,00/10](https://lore.kernel.org/linux-crypto/20210818033117.91717-1-tianjia.zhang@linux.alibaba.com) |
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| 2021/11/22 | Peter Zijlstra <peterz@infradead.org> | [x86: Kernel IBT beginnings](https://lore.kernel.org/lkml/20211122170301.764232470@infradead.org) | IBT 的基础支持, 功能不完整, 但是够精简, 引入 CONFIG_X86_IBT 控制, 添加了 X86_IBT build 选项, 为编译器启用了 "-fcf-protection=branch" 支持, 并支持 objtool, 用于为可能的间接分支目标添加 ENDBR 指令以及内核入口点添加了 ENDBR 结束分支指令. | v11 ☐ | [Patchwork v11,0/7](https://lore.kernel.org/lkml/20211122170301.764232470@infradead.org) |
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## 1.7 PPIN
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## 1.7 AMD
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| 时间 | 作者 | 特性 | 描述 | 是否合入主线 | 链接 |
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|:-----:|:----:|:----:|:----:|:------------:|:----:|
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| 2020/03/21 | Wei Huang <wei.huang2@amd.com> | [x86/mce/amd: Add PPIN support for AMD MCE](https://lore.kernel.org/all/20200321193800.3666964-1-wei.huang2@amd.com) | 20200321193800.3666964-1-wei.huang2@amd.com | v3 ☑✓ | [LORE v3,0/1](https://lore.kernel.org/all/20200321193800.3666964-1-wei.huang2@amd.com) |
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| 2022/01/31 | Tony Luck <tony.luck@intel.com> | [PPIN (Protected Processor Inventory Number) updates](https://lore.kernel.org/all/20220131230111.2004669-1-tony.luck@intel.com) | 受保护处理器库存编号(Protected Processor Inventory Number, PPIN), 有时也称为 "受保护处理器标识号(Protected Processor Identification Number)是处理器在制造时设置的一个编号, 用于唯一地标识给定的处理器. 可以通过 PPIN 追溯芯片生产的车间和生产以及运行环境, 这有助于帮助缺陷诊断. Intel 之前提交了 Linux 补丁, 用于在服务器管理员遇到 MCE 错误时显示 PPIN, 以帮助跟踪问题发生在哪个物理 CPU 上, 但是只有在出现错误时才会打印. 这组补丁使得服务器管理员可以更容易地访问 PPIN. (直接从 `sys/devices/system/cpu/cpu*/topology/ppin` 即可读取). 参见 phoronix 报道 [Convenient Intel PPIN Reporting To Come With Linux 5.18](https://www.phoronix.com/scan.php?page=news_item&px=Intel-PPIN-Linux-5.18) | v3 ☑✓ v5.18-rc1 | [LORE v3,0/5](https://lore.kernel.org/all/20220131230111.2004669-1-tony.luck@intel.com) |
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## 1.8 AMD
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| 时间 | 作者 | 特性 | 描述 | 是否合入主线 | 链接 |
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|:----:|:----:|:---:|:----:|:---------:|:----:|
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| 2021/11/10 | Brijesh Singh <brijesh.singh@amd.com> | [Add AMD Secure Nested Paging (SEV-SNP) Guest Support](https://patchwork.kernel.org/project/linux-mm/cover/20211110220731.2396491-1-brijesh.singh@amd.com) | Guest 支持 AMD SEV SNP. | v7 ☐ | [Patchwork v7,00/45](https://patchwork.kernel.org/project/linux-mm/cover/20211110220731.2396491-1-brijesh.singh@amd.com) |
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# 2 ARM64
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@@ -224,6 +224,20 @@ Facebook 在 2018 年开源了一套解决重要计算集群管理问题的 Linu
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| 2021/10/12 | "Matthew Wilcox (Oracle)" <willy@infradead.org> | [Improvements to %pGp](https://patchwork.kernel.org/project/linux-mm/patch/20211012182647.1605095-6-willy@infradead.org) | `%pGp` 用来打印 page flag 的信息(通过 format_page_flags() 打印 `__def_pageflag_name`), 但是之前打印的方式比较麻烦, 需要使用 `%#lx(%pGp)`, 先用 hex 16 进制打印一次, 再用 `%pGp` 打印一次, 使用起来略显麻烦. 因此修改 `%pGp` 在打印 flag 的同时, 同时用 hex 打印一次. 这样单用 `%pGp` 就可以完成输出. | v1 ☐ | [PatchWork](https://patchwork.kernel.org/project/linux-mm/patch/20211012182647.1605095-6-willy@infradead.org) |
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| 2017/11/08 | Linus Torvalds <torvalds@linux-foundation.org> | [stop using '%pK' for /proc/kallsyms pointer values](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c0f3ea1589394deac2d840c685f57c69e4ac4243) | commit [c0f3ea158939 stop using '%pK' for /proc/kallsyms pointer values](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c0f3ea1589394deac2d840c685f57c69e4ac4243) 4.15 之后, kallsyms 不用 %pK 打印了. 但是仍然用 kptr_restrict 控制权限. | v1 ☑ 5.1-rc1 | [ommit c0f3ea158939](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c0f3ea1589394deac2d840c685f57c69e4ac4243) |
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[lockless ringbuffer](https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.10-printk)
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[[GIT PULL] printk for 5.10 (includes lockless ringbuffer)](http://lkml.iu.edu/hypermail/linux/kernel/2010.1/04077.html)
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[printk: Why is it so complicated?, LPC2019](https://lpc.events/event/4/contributions/290/attachments/276/463/lpc2019_jogness_printk.pdf)
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| 时间 | 作者 | 特性 | 描述 | 是否合入主线 | 链接 |
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|:----:|:----:|:---:|:----:|:---------:|:----:|
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| 2020/07/09 | John Ogness <john.ogness@linutronix.de> | [printk: replace ringbuffer](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/?id=896fbe20b4e2333fb55cc9b9b783ebcc49eee7c7) | 20200709132344.760-1-john.ogness@linutronix.de | v5 ☑ 5.10-rc1 | [LORE v5,0/4](https://lore.kernel.org/all/20200709132344.760-1-john.ogness@linutronix.de) |
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| 2020/07/21 | John Ogness <john.ogness@linutronix.de> | [printk: ringbuffer: support dataless records](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d397820f36ffe4701343b6ee12687d60db0ed8db) | 20200721132528.9661-1-john.ogness@linutronix.de | v2 ☑ 5.10-rc1 | [LORE](https://lore.kernel.org/all/20200721132528.9661-1-john.ogness@linutronix.de) |
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| 2020/09/14 | John Ogness <john.ogness@linutronix.de> | [printk: reimplement LOG_CONT handling](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/?id=f5f022e53b874f978dda23847173cbf2589b07f5) | 20200914123354.832-6-john.ogness@linutronix.de | v5 ☑ 5.10-rc1 | [LORE v5,0/6](https://lore.kernel.org/all/20200914123354.832-1-john.ogness@linutronix.de) |
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| 2020/09/19 | John Ogness <john.ogness@linutronix.de> | [printk: move dictionaries to meta data](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/?id=f5f022e53b874f978dda23847173cbf2589b07f5) | 20200918223421.21621-1-john.ogness@linutronix.de | v2 ☑ 5.10-rc1 | [LORE v2,0/3](https://lore.kernel.org/all/20200918223421.21621-1-john.ogness@linutronix.de) |
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| 2022/02/07 | John Ogness <john.ogness@linutronix.de> | [implement threaded console printing](https://lore.kernel.org/all/20220207194323.273637-1-john.ogness@linutronix.de) | 参见 phoronix 报道 [Linux Gets Patches For Threaded Console Printing](https://www.phoronix.com/scan.php?page=news_item&px=Linux-Threaded-Console-Print) | v1 ☐ | [LORE v1,0/13](https://lore.kernel.org/all/20220207194323.273637-1-john.ogness@linutronix.de) |
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# 10 KEXEC
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