Kernels, Make your own!

[Member rob]

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Kernel 4.17 final version source is up now. kernel.org

System:    Host: eee Kernel: 4.17.0-eee701.4g i686 bits: 32 Desktop: i3 4.13 
           Distro: antiX-17_386-base Heather Heyer 24 October 2017 
Machine:   Type: Laptop System: ASUSTeK product: 701SD v: 0501 serial: <root required> 
           Mobo: ASUSTeK model: 701SD v: x.xx serial: <root required> 
           BIOS: American Megatrends v: 0802 date: 03/02/2009 
CPU:       Topology: Single Core model: Intel Celeron M bits: 32 type: UP L2 cache: 512 KiB 
           Speed: 112 MHz min/max: 112/900 MHz Core speed (MHz): 1: 338 
Info:      Processes: 123 Uptime: 16m Memory: 1.96 GiB used: 92.4 MiB (4.6%) Shell: bash 
           inxi: 3.0.10 

• This reply was modified 4 years, 11 months ago by rob. Reason: bbcode

[Member sleekmason]

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Indeed! Meant to get this up here. Ran into a re-install I had to take care of:)

The 4.17 release is a major release among major releases, with tons of code removed and other new features.

Per Phoronix,

– A huge DRM subsystem update with AMDGPU DC by default for all capable GPUs, Intel Cannonlake graphics are stable, AMD WattMan, Intel HDCP, and more.

– Initial NVIDIA Tegra “Xavier” SoC support for this new high-performance ARM chip with Volta graphics.

– Eight obsolete CPU architectures were removed resulting in a code savings of about a half million lines.

– POWER4 CPU support is being dropped too as part of a separate pull. The POWER4 support was already broken since 2016 with no one apparently noticing until now.

– IBM s390 is still working on its Spectre defense.

– Continued maturing of the RISC-V architecture code.

– A new CPU architecture port for Linux 4.17 is the Andes NDS32 architecture.

– The Linux Kernel Memory Consistency Model has been formalized for Linux 4.17.

– Fixes for the Macintosh PowerBook 100 series.. Yes, with the Motorola processors from the early 90’s.

– The new ACPI TAD driver for some interesting wake-up/alarm functionality as well as other CPUFreq and power management updates.

– PhoenixRC flight controller support.

– Multi-touch support for the Razer Blade Stealth.

– Thunderbolt USB/SL4 security level support.

– USB Type-C support improvements.

– Lost and Found support for F2FS along with performance enhancements and other work.

– EXT4 gets protection for maliciously crafted container images.

– Lazy time support for XFS.

– Btrfs gets a no SSD spread option and other improvements.

– New sound drivers plus USB Audio Class 3.0 support.

– Linux 4.17 staging has shed some weight (lots of lines of code).

– Various other PCI, crypto, and more updates as well as SPARC and BMC updates.
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The 4.18rc release will have an improvement for the schedutil governor. Looking forward to that when it’s out.

[Moderator Brian Masinick]

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Looks like a great update.

Not sure if this is still true or not: in the past odd-numbered minor numbers – like 4.17 – signify the development kernel changes and even numbers, 4.16, 4.18, etc. were the “stable” (longer term) version.

I will check to see if these conventions are still used.

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Brian Masinick

[Moderator Brian Masinick]

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Documentation on the general Linux 4.* kernel:

https://www.kernel.org/doc/html/latest/admin-guide/README.html?highlight=release%20numbering

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Brian Masinick

[Member Barnabyh]

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4.9 and 4.14 are long term supported, so I dare guess that about odd numbers is not true anymore.

[Moderator Brian Masinick]

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You’re probably right. I did not spot any current documentation making any particular reference to the numbering I suggested. It probably goes back to Version 2 or 3 kernels, which is a very long time ago!

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Brian Masinick

[Moderator Brian Masinick]

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Building your own kernel appears to have most of the same steps that were documented long ago, so that’s good.✔

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Brian Masinick

[Member Barnabyh]

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Good to know. I haven’t done that in ages and was wondering how much that might have changed. Not that there’s any real need these days.

[Moderator Brian Masinick]

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True enough! It has been years, well over a decade, probably close to 2 decades ago since I built my last kernel.

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Brian Masinick

[Moderator Brian Masinick]

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Wikipedia has some information about kernel versions. Note that most of the details associated with a particular type of kernel to a specific version string convention are – as suspected – old:

https://en.wikipedia.org/wiki/Linux_kernel#Version_numbering

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Brian Masinick

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