Linux kernel 3.10 arrives with ARM big.LITTLE support

Linux kernel 310 arrives with more efficient multitasking, ARM bigLITTLE support

Thanks to Linus Torvalds' figurative stroke of the pen, the Linux kernel 3.10 is now final -- paving the way for its inclusion in a bevy of Linux distributions, and even offshoots such as Android and Chrome OS. The fresh kernel brings a good number of changes, such as timerless multitasking, a new caching implementation and support for the ARM big.LITTLE architecture. In simplistic terms, the new multitasking method should help improve performance and latency by firing the system timer only once per second -- rather than 1,000 times -- when tasks are running. Meanwhile, users with both traditional hard drives and SSDs will find performance benefits from bcache, which brings writeback caching and a filesystem agnostic approach to leveraging the SSD for caching operations. Also of significance, Linux kernel 3.10 enhances ARM support by including the big.LITTLE architecture, which combines multiple cores of different types -- commonly the Cortex-A7 and Cortex-A15 -- that focus on either power savings or performance. The full list of improvements is rather lengthy, but if you feel like nerding out with the changelog, just grab a caffeinated beverage and get to it.

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Via: Tech2.in

Source: Linus Torvalds (Linux Kernel Mailing List)

HTC posts kernel source code for One Google Play edition

HTC posts kernel source code for One Google Play edition

Officially, the HTC One Google Play edition exists for tinkering with an unfettered Android experience. Owners need the code to do that, of course -- and HTC has quickly followed up by posting the kernel source code for its Sense-free phone. The release helps developers optimize their apps for the hardware, modify its vanilla Android 4.2 build and produce custom firmware. If you have one of those goals in mind, the kernel source is ready to download at HTC's developer portal.

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Source: HTCdev

Samsung posts kernel source code for Galaxy S4 Active on AT&T, Galaxy Note 8.0 with LTE

Samsung Galaxy S4 Active

Samsung may have been busy this past week with the launches of the Galaxy S4 Active and Galaxy Note 8.0, but it hasn't forgotten its duties to Android programmers. It just posted the kernel source code for both the AT&T variant of the GS4 Active (the SGH-i537) as well as the LTE-equipped Note 8.0 in its American and Canadian forms (SGH-i467 and i467M). As with past releases, the source material gives developers a better understanding of the hardware; it also gives tinkerers an easier time when modifying the firmware or creating fully functional custom ROMs. Whichever camp you're in, the kernel code awaits at the links below.

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Via: Android Police

Source: Samsung (1), (2), (3)

Google Glass gets a one-stop shop for downloads, including a rooted image

Google Glass gets a onestop shop for downloads, including a rooted image

Early Google Glass owners are dominated by developers and tinkerers, so it's only fair that they get easy access to the downloads they need. Appropriately, Google has quietly set up a page that centralizes both Glass images and kernel source code. The company has even saved owners from having to hack their eyewear the hard way -- one image comes pre-rooted for those willing to toss caution (and their warranties) to the wind. Most of us can't take advantage of these downloads for about a year or more, but those with early access can swing by the new code hub today.

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Via: Android Police

Source: Google Developers

Linux kernel version 3.9 adds better support for Chromebooks, maybe even yours

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Linus Torvalds has pulled the big red lever marked Version 3.9, unleashing the latest Linux kernel onto the world and at the same time bringing some good news for Chromebook tinkerers. The update builds on the Chromebook Pixel tweak we saw back in February by adding support for components in "Chrome laptops sold by many companies" -- with the changelog specifically mentioning the x86-powered Samsung Series 5, Acer C7, HP Pavilion 14 as well as support for the Pixel's touchscreen, all of which should make it easier to run your preferred distro in place of Chrome OS on those machines. Other general improvements include better support for Intel power-saving features, the ability to use an SSD as a hard drive cache as well as KVM visualization for users with ARM-powered gear. Just make sure there's no NVIDIA hardware inside any of those boxes -- you know it makes Linus cranky.

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Via: PC World

Source: Gmane

Google releases Glass kernel GPL source, lets developers have at it

While our own Tim Stevens is currently adapting to life with Google Glass, developers are going beyond scratching the surface and actually starting to fiddle with what's inside. Hot on the heels of Jay Freeman rooting Glass, Google's throwing devs a bone to by publicly releasing the kernel source. Interestingly, Karthik's Geek Center spotted info within the file that points to Glass potentially being equipped for NFC support. If you're up for tinkering, you'll find the temporary location of the tar.zx file itself at the source link.

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Via: Karthik's Geek Center

Source: Google

NVIDIA Tegra 3 open source code gets early 3D support

NVIDIA Tegra 3 open source drivers add 3D support

It's a given that NVIDIA's Tegra 3 can handle 3D -- unless you've been crafting a fully open source project around the chip, at which point you've been stuck in a flat world. Fresh contributions from Avionic Design's Thierry Reding have brought that extra dimension back, albeit in limited form. His early patches for the Linux kernel enable support for 3D when using the Tegra Direct Rendering Manager driver. There's also a matching Gallium3D driver for us regular users, although it's still young: it can run reference 3D code as of a recent check, but can't produce visible imagery. While it may take some months before everything falls into place, the officially-backed work should make the (slightly aging) chip that much more useful beyond the realms of Android and Windows RT.

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Via: Phoronix

Source: Freedesktop.org, Github