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Linux 5.5

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So this last week was pretty quiet, and while we had a late network
update with some (mainly iwl wireless) network driver and netfilter
module loading fixes, David didn't think that warranted another -rc.
And outside of that, it's really been very quiet indeed - there's a
panfrost driver update too, but again it didn't really seem to make
sense to delay the final release by another week.

Outside of those, it's all really tiny, even if some of those tiny
changes touched some core files.

So despite the slight worry that the holidays might have affected the
schedule, 5.5 ended up with the regular rc cadence and is out now.

That means that the merge window for 5.6 will open tomorrow, and I
already have a couple of pull requests pending. The timing for this
next merge window isn't optimal for me - I have some travel and other
things going on during the same two weeks, but hopefully it won't be
all that noticeable.  But there might be random timezones, odd hours,
and random delays because of that. I try to avoid scheduling things
during the merge window, but hey, it doesn't always work out, and I'd
have to delay things by two weeks to avoid the conflicts, which just
doesn't seem worth it.

Particularly since it's not necessarily going to be a problem to begin
with. We'll see.

Anyway. Go out and test 5.5, and start sending me those pull requests
for all the new development that is ready,

                    Linus

Read more

Also: Linux 5.5 Released With Many Hardware Support Improvements

Linux Kernel 5.5 Officially Released, This Is What’s New

Linux 5.5 Release – Main Changes, Arm, MIPS and RISC-V Arch

Linus Torvalds Releases Linux Kernel 5.5 With Better Hardware

  • Linus Torvalds Releases Linux Kernel 5.5 With Better Hardware Support

    With the regular milestone of Release Candidate (rc7), Linus Torvalds has announced the first stable release of the Linux kernel 5.5 for the general public.

    Apart from the last-minute network driver fixes, Linux 5.5 includes various improvements for security, the new and upcoming hardware platforms such as Raspberry Pi 4, Intel processors, and Chromebooks.

The 5.5 kernel is out

  • The 5.5 kernel is out

    In the end, Linus decided to release the 5.5 kernel rather than going for another prepatch. "So despite the slight worry that the holidays might have affected the schedule, 5.5 ended up with the regular rc cadence and is out now."

10 Best Features in Linux 5.5, Out Now

  • 10 Best Features in Linux 5.5, Out Now

    Serving as the latest stable version of the Linux kernel, the Linux 5.5 release was announced on the Linux Kernel Mailing List (LKML) by Linus Torvalds, who said: “Despite the slight worry that the holidays might have affected the schedule, 5.5 ended up with the regular [release candidate] cadence and is out now.”

    He goes on to describe the release as being “really tiny” — make of that what you will — and has named it “Kleptomaniac Octopus”.

    Linux 5.5 is likely to be included in the upcoming Ubuntu 20.04 LTS release, which is due for release in mid April. This kernel version will also be back-ported to Ubuntu 18.04 LTS later in the year as part of the Ubuntu HWE stack.

    If you want to install the mainline kernel on Ubuntu or another Linux distribution right now you can — but doing so is not recommended, comes with no support, and may break your system (but don’t worry: you get to keep both halves if it does).

Linus Torvalds Releases Linux Kernel 5.5 With Better Feature

Linux 5.5 now in Sparky Linux and in Slashdot

  • Linux kernel 5.5 [in Sparky Linux]

    The first release of the Linux kernel of the new 5.5 line landed in Sparky “unstable” repository.

    [...]

    Then reboot your machine to take effects.

    To quick remove older version of a Linux kernel, simply run APTus-> System-> Uninstall Old Kernel tool.

  • Linux 5.5 Released

    Linus Torvalds has announced Linux 5.5 release, codenamed as Kleptomaniac Octopus.The latest version of the open source operating system kernel brings RAID1 with 3- and 4- copies to btrfs filesystem, ext4 gets direct I/O via iomap together with fscrypt supporting smaller block sizes, and you can now use SMB as root filesystem. AMD OverDrive overclocking is now supported on Navi GPUS, wake-on-voice on newer Google Chromebooks is now supported. Added was a Logitech keyboard driver. KUnit is a new unit testing framework for the kernel. There are many more new features which you can read about on Kernel Newbies changelog page. For downloads visit The Linux Kernel Archives.

Linux 5.5 “Kleptomaniac Octopus” Officially Launched

  • Linux 5.5 “Kleptomaniac Octopus” Officially Launched

    Codenamed Kleptomaniac Octopus, the new Linux release comes with a series of major improvements, including full Raspberry Pi 4 and Chromebook Wake-On-Voice support.

    “Despite the slight worry that the holidays might have affected the schedule, 5.5 ended up with the regular rc cadence and is out now,” Linus Torvalds announced.

Linux 5.5 officially released

  • Linux 5.5 officially released with a couple of hardware improvements

    A couple of days ago, Linus Torvalds announced that the Linux 5.5 stable version is coming soon. Now, there are reports that the stable version of Linux 5.5 is available. Torvalds pointed out in the release announcement that despite the increase in patches this week and concerns about the possible extension of the Linux 5.5 cycle due to downtime around Christmas and New Year holidays, it chose to release the 5.5 kernel on time.

“Welcome, Kleptomaniac Octopus” – Linux 5.5 Lands

  • “Welcome, Kleptomaniac Octopus” – Linux 5.5 Lands, with Improved Hardware Support

    Linux Torvalds has released the first stable Linux kernel update of 2020, Linux 5.5 – and it’s on schedule despite the worries that downtime over the holidays would have an impact on its release.

    The Linux 5.5 kernel update (dubbed “Kleptomaniac Octopus”) brings a host of performance tweaks as well as support for devices like the Raspberry Pi 4 and Broadcom chip BCM2711.

    Depending on your use of Linux the increasing support for Intel processor extensions for its x86-64 line could be of note, as the update includes Intel 5-level paging support as default. This has been done in preparation for the release of Intel servers that will have a significant amount of RAM.

Linux 5.5 released with enhanced hardware support

  • Linux 5.5 released with enhanced hardware support

    With this update, it seems clear that the main focus of the development team was to enhance the kernel’s hardware support. Other than that, there was also work done on improving the network driver and security.

    Delving deep into the hardware details, the new version will now be able to handle Raspberry Pi 4 better. Now, you will be able to connect your Raspberry Pi device to the Linux kernel right off the bat. Moreover, the kernel also offers better support for the Ugoos AM6, RK3308, and NanoPi Duo2 boards.

    The kernel will also come with drivers for Chromebook’s Wake-on-Voice feature, airplane mode LEDs, the keyboard backlight, and Fn key combinations.

    One impressive thing about this update is that it focuses on various demographics, even gamers. Accordingly, Linux 5.5 will be able to support two gaming keyboards, which include the first and second versions of Logitech G15. Although these keyboards are quite old, they are loved by gamers to this day, because they sport an LCD-screen, backlight modes, and macro buttons.

    Apart from that, gamers will have the ability to overclock their AMD OverDrive and also get better performance, all thanks to the improvements in the kernel’s scheduler.

    The developers of this update have also worked on improving the ext4, exFAT, and XFS file systems. When it comes to ext4, there is now support for direct I/O through fscrypt and iomap to handle smaller block sizes. Apart from that, users will also get better power management for Ice lake and Thunderbolt USB.

    Now coming to its upgraded security, it is now possible for MS Hyper-V virtual machines to hibernate and kernel concurrency sanitizer to spot data race conditions. Plus, from what we hear right now, Linux kernel 5.6 is highly likely to come with WireGuard support.

Linux 5.5 released, Bootlin contributions inside

  • Linux 5.5 released, Bootlin contributions inside

    Linux 5.5 was recently released, as usual bringing a large number of new features and improvements, which are nicely detailed in the LWN articles on merge window part 1 and merge window part 2, but also on the Kernelnewbies wiki.

    According to the statistics, a total of 14350 changes were made to this kernel release, to which Bootlin contributed 124 patches, making us the 19th contributing company by number of commits.

Some 5.5 kernel development statistics

  • Some 5.5 kernel development statistics

    The 5.5 kernel was released on January 26. Over the course of this development cycle, it was occasionally said that the holidays were slowing contributions. At the end, though, 5.5 saw the merging of 14,350 non-merge changesets from 1,885 developers — not exactly a slow-moving cycle. Indeed, 5.5 just barely edged out 5.4 as the kernel with the most developers ever. Read on for our traditional look at where the contributions to 5.5 came from, along with a digression into the stable-update process.

    Just under 590,000 lines of code were added for 5.5, while almost 272,000 were removed, for a net growth of 318,000 lines of code. Of the developers contributing to 5.5, 285 were contributing for the first time.

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