Bootlin
Embedded Linux and kernel engineering
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Latest posts
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A safety net for eBPF: adding KASAN support to JITed programs
The eBPF technology implemented in the Linux kernel keeps on gaining traction in various areas: infrastructure, observability, security, debugging, and many more. Its wider adoption reinforces one core concept that drives its development: it must be safe for the kernel to load…
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Yocto Blacksail released, Bootlin contributions inside
Yocto Blacksail 6.1 is now released. This is the new stable release of the Yocto Project and will be maintained until April 2027. Bootlin is a very active contributor to the Yocto Project, most notably with Antonin Godard being the official Yocto Project documentation…
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Rockchip SoCs: a foray into eFuse territory
Every System-on-Chip has a boot ROM taking care of finding the next component in the boot process, load and run it. Each different vendor tends to implement a different strategy for their boot ROM, often with similar capabilities. We have written about the Rockchip SoCs boot ROM…
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Linux 7.3 released, Bootlin contributions inside
Linus Torvalds has released the 7.3 kernel last Sunday afternoon. LWN once again covered extensively the content of this new version through two merge window posts (see part 1 and part 2). This release continues the record-breaking spree started a few releases ago, with 18,765…
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Device tree addons: describing non-discoverable addon boards and connectors
Lots of embedded devices exist that have a connector for addon boards: BeagleBone Black Capes and Raspberry Pi Hats are just some common de facto standards, each with a whole ecosystem of base boards and addon boards that can be mixed and matched in countless ways. Most of them…
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Welcome to Thomas Païta and Paul Cercueil
We recently welcomed two engineers to our team: Thomas Païta, based at our Lyon office, and Paul Cercueil, working from Madrid, Spain. Thomas Païta Thomas joined Bootlin at the end of June 2026. After graduating from the Université de Technologie de Compiègne, he worked on…
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audio-iio-aux: when IIO meets audio
Some time ago, one of our customers came to us with a hardware design featuring the Renesas X9250 digital potentiometer in an audio path, as shown in the following diagram. Naturally, our goal was to find the proper way to support this hardware design in the upstream Linux…
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Bootlin toolchains 2026.08 released
We are happy to announce the release of a new version of our freely available, pre-compiled cross-compilation toolchains, hosted at toolchains.bootlin.com. This update covers a range of 43 CPU architecture variants, including: aarch64, aarch64be, arcle-750d, arcle-hs38,…
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Bootlin’s Yocto training course updated to Wrynose
The latest Long Term Support release of the Yocto Project, Yocto Project 6.0 (Wrynose), was released a few months ago, so it was time to update our Yocto Project training materials. This update is now complete. As with every new Yocto Project release, Wrynose brings a number of…
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sbom-cve-check 1.3.2 and 1.3.3: improved SBOM handling and more robust CVE analysis
Since our previous update on sbom-cve-check, the project has continued to evolve with two new releases: version 1.3.2, released in June, and version 1.3.3, released in August. These releases bring a number of improvements to the handling of SBOM data, CVE version ranges and…