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#kernel

22 posts21 participants1 post today
Public
NerdNextDoor :Blobhaj:

Friend of mine in the #Arikoto #OSDev #Discord server just asked me:

“CPU hotplugging support when?”

We don’t even have userspace yet nor does paging work properly.

WHAT DO YOU MEAN CPU HOTPLUGGING SUPPORT WHEN???

(btw, you should totally join the server: discord.gg/UczSZb7s7B)

DiscordJoin the Arikoto (ありこと) OS Development Discord Server!The official Discord server for the Arikoto (ありこと) Operating System Development Project | 12 members
#Tech#Technology#Kernel
Public
boredsquirrel

Any #NixOS users building a custom #kernel?

The #Linux kernel is crazy huge, I would like to start tweaking my system by using a custom kernel

- longterm 6.12 as base (less hassle, more stable)
- intel only (no amd, nvidia, wifi card drivers etc)
- modern-ish hardware only (no obscure old keyboard drivers etc)
- O3 optimizations (I think they generally make sense on an i7-11th gen)

Do you got good resources to start with this?

Public
jbz

🐧 Linux 6.15-rc2 | Phoronix

"Among the fixes merged this week for Linux 6.15-rc2 include some Spectre RSB mitigation clean-ups for AMD/Intel processors and various graphics driver fixes including for a flickering issue on the Intel side while the AMDGPU driver squeezed in the device memory "DMEM" cgroups support. There was also a wide assortment of other random fixes throughout the codebase from the early Linux 6.15 kernel testing"

phoronix.com/news/Linux-6.15-r

www.phoronix.comLinux 6.15-rc2 Released With An Assortment Of Fixes
#linux#kernel#opensource
Public
jbz

🐧 Linux Might Drop The Apple HFS / HFS+ File-System Kernel Driver Support - Phoronix

｢ Apple no longer supports the Hierarchical File System on the latest versions of macOS itself and in prior releases was read-only support since macOS 10.6 for HFS itself. The newer HFS+ file-system does continue to be supported by Apple. Linux support for HFS has been poor and ill-maintained and it looks like the kernel drivers could be on their way out ｣

phoronix.com/news/Linux-2025-S

www.phoronix.comLinux Might Drop The Apple HFS / HFS+ File-System Kernel Driver Support
#linux#kernel#opensource
Public
Aptivi

Linux might no longer support HFS/HFS+

The antique filesystems, HFS and HFS+, were used in old Macs going back to Septmber 17th, 1985, with the former being used first, then the latter. They also have alternative names, called Mac OS Standard and Mac OS Extended.

During development of Mac OS X 10.6 Snow Leopard released in August 28th, 2009, Apple decided to stop all support for read-write HFS and HFS+ filesystems, making users be unable to write to any file, but they still could read from such volumes. In macOS Catalina, Apple finally removed the filesystem support from the Darwin kernel, making it impossible to use disks that are still formatted with such filesystems.

We appear to have reached the end of support for the two antique filesystems in Linux, too, because, this year, the prominent Linux developer from Microsoft stated that, via Mastodon:

Let’s try and remove #hfs and #hfsplus by the end of 2025. They have been orphaned since 2014 and are turning into a maintenance burden.

If you’re still using those filesystems after the support ending period, there is a chance that you could use those filesystems again via user-space filesystems, except that you won’t have the same experience, including the lack of support of writing to files for HFS+.

Photo by Mimi Thian on Unsplash

#Filesystem#HFS_#Kernel
Public
Aptivi

Linux 6.15 RC2 released!

Linux 6.15 RC2 has been released for developers and curious users to try out. All the interesting changes from performance improvements to bug fixes. Spectre RSB mitigation cleanups for AMD and Intel processors, various graphics driver fixes, and all other important fixes for different kernel components.

In the release announcement for this version of the kernel, Linus Torvalds said:

It's Sunday, just barely afternoon, and I've pushed out the rc2 tag.

Things look fairly normal. Yes, this was a larger-than-usual merge window, but at least for now rc2 looks pretty much in line with normal statistics both when it comes to number of commits and to the diffstat. Nothing particularly stands out to me, but it's early in the release yet, so let's see how it goes...

About a quarter of the patch is selftests updates, which is perhaps a bit unusual but at the same time certainly not alarming.

Other than that, it's all pretty evenly spread out: drivers (gpu is about half of that), arch updates, core kernel and networking,
filesystems, documentation. A little something for everybody, in other words.

Why not try out this awesome pre-release of Linux 6.15?

#Computer#Computers#Kernel
Public *
Christian Brauner 🦊🐺

I've got a patchset that makes coredump install a pidfd for the coredumping task into the file descriptor of the process that is exec'd as a usermode helper during a pipe-based coredump. For example, systemd-coredump could set:

|/usr/lib/systemd/systemd-coredump %P %u %g %s %t %c %h %F

and %F will make the kernel install a pidfd as file descriptor number 3 for the coredumping task.

Barebones, untested, no commit messages yet:

web.git.kernel.org/pub/scm/lin

web.git.kernel.orgMaking sure you're not a bot!
#linux#kernel
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