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Linux Kernel News Archives

Hot-Data Tracking Still Baking For The Linux Kernel

A few months ago I wrote about hot-data tracking for the Linux kernel, a VFS feature that could be used by Btrfs and other Linux file-systems for delivering improved performance. Unfortunately the patch-set didn't make the new Linux 3.8 development cycle, but hot-data tracking is still being worked on for merging into a future Linux kernel release.
22 December 2012 - Hot-Data Tracking - 12 Comments

F2FS File-System Merged Into Linux 3.8 Kernel

One of the merges not yet talked about for the Linux 3.8 kernel was the mainlining of the F2FS file-system for flash devices.
22 December 2012 - Linux 3.8 - 7 Comments

Linux 3.8-rc1 Kernel Released: Lots Of New Stuff

The first release candidate of the Linux 3.8 kernel was made available on Friday.
22 December 2012 - First Release Candidate - 4 Comments

Linux Kernel Still Picking Up AVX Optimizations

Advanced Vector Extensions (AVX) have been present in Intel and AMD hardware since last year with Sandy Bridge and Bulldozer processors, respectively, but their use isn't too very widespread at this point. Fortunately, the Linux kernel has been receiving some AVX1/AVX2 optimizations.
19 December 2012 - MD Layer RAID6 - 2 Comments

Linux Dynticks Being Extended For Performance Wins

Dynticks, the Dynamic Tick Timer for allowing the Linux kernel to skip ticks while idling and resume to running at full HZ when encountering load, is in the process of being extended. Developers are working on making Dynticks work even under select workloads in order to enhance the performance of CPU-intensive tasks.
18 December 2012 - Dynticks - 5 Comments

Balance NUMA Merged For Linux 3.8 Kernel

The Balance NUMA branch of the Linux kernel has been merged for the current 3.8 development cycle.
18 December 2012 - Balance NUMA

Btrfs Gets Improved Performance On Linux 3.8 Kernel

The Btrfs file-system updates for the Linux 3.8 kernel will feature performance improvements among other work. Btrfs RAID 5/6 support is also to be published this week.
17 December 2012 - Btrfs Linux - 3 Comments

EXT4 In Linux 3.8 Brings Inline Data, Seek Hole/Data

The EXT4 file-system pull request for the Linux 3.8 kernel has been submitted and it's bringing fixes plus introduces two new features.
17 December 2012 - EXT4 Features - 4 Comments

DRM Pull Request Goes In For The Linux 3.8 Kernel

David Airlie has sent in the highly-anticipated DRM pull request for the Linux 3.8 kernel. This includes the new Tegra driver and changes to the Nouveau/Radeon/Intel graphics drivers.
17 December 2012 - DRM Pull Request - 3 Comments

BFS 426 Scheduler Released For Linux 3.7 Kernel

Version 426 of the BFS scheduler was released this weekend for the Linux 3.7 kernel.
16 December 2012 - Brain Fuck - 9 Comments

There's A New Linux CPU Scheduler Based Upon BFS

A new CPU scheduler for the Linux kernel was announced on Saturday. This new scheduler is based upon the controversial "Brain Fuck Scheduler" scheduler but attempts to support multiple run-queues for better CPU scaling.
15 December 2012 - BFS Scheduler - 4 Comments

The 3.8 Kernel Is An Amazing Gift To Linux Users

While we are just a few days into the Linux 3.8 kernel merge window and there's still a number of pull requests that have yet to appear for this next kernel development cycle with new features, there's already a ton of exciting work. If you missed the horde of Phoronix articles in the past few days covering the prominent features, here's a recap showing why this Linux kernel being developed over the holidays is a great gift for its users.
15 December 2012 - Linux 3.8 - 7 Comments

FUSE Gets I/O Performance Improvements

The FUSE module, which allows for file-systems to be run from user-space, can now process direct I/O a-synchronously. This a-synchronous direct I/O can lead to very noticeable performance improvements for FUSE-based file-systems like ZFS.
15 December 2012 - FUSE - 8 Comments

Security Problem Discovered In Btrfs File-System

A hash-based denial-of-service attack vulnerability has been discovered for the Btrfs, the next-generation Linux file-system.
14 December 2012 - Btrfs Bug - 27 Comments

Intel Makes Cryptography Faster On Linux

The Linux 3.8 kernel is continuing to pull in massive amounts of new code as shown by all of the noteworthy pull requests that have been highlighted on Phoronix in the past few days. The latest pull request to catch my interest has been the crypto work, thanks to performance-enhancing additions by Intel.
14 December 2012 - Linux 3.8 Crypto - 26 Comments

Linux Audio Driver Improvements On The Horizon

The audio/sound pull for the Linux 3.8 kernel has been sent in and it features audio driver improvements, new capabilities, clean-ups, and more.
14 December 2012 - Linux 3.8 - 24 Comments

The Linux 3.8 Kernel Can Save A Lot Of RAM

For certain workloads with the Linux 3.8 kernel the physical memory usage is lowered by a significant amount thanks to improvements within this kernel that's presently under development.
13 December 2012 - Linux 3.8 Kernel - 6 Comments

GCC Developers Look At Dropping i386 Support

Now that the Linux kernel has dropped support for old Intel 386 CPUs, GCC developers are also considering the removal of i386 support from their compiler.
13 December 2012 - No More i386 - 9 Comments

Intel Still Hacking On Atomic Mode-Setting / Flipping

While it might be too late to make the Linux 3.8 kernel merge window, released on Wednesday were the latest patches for the ongoing work by Intel open-source developers and others to enact atomic mode-setting and page-flipping.
13 December 2012 - Intel Atomic

Zswap: Compressed Swap Caching For Linux

Published to the Linux kernel mailing list were a set of patches to provide a new feature called Zswap for lightweight compressed swap caching.
12 December 2012 - Zswap - 16 Comments

972 Linux Kernel news articles published on Phoronix.
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