Arnd bergmann upstream kernel hacker linaro linkedin. The linux kernel community came close this year to setting a new record for the number of changes merged in a single release, according to the latest linux kernel development report released today by the linux foundation kernel version 4. In his weekly message to the linux community on sunday, linus torvalds announced the release of linux 4. As a byproduct of this work, i documented for each of the file systems we support how long the ondisk format can work1. The todo item named make spi and sdio components coexist in one build was apparently addressed a long time ago, but never removed from the todo file. Hi subsystem maintainers, this is a set of patches to to fix build errors i hit while trying to build lots of randconfig kernels on linuxnext. Arnd bergmann noted that hes working on removing the bkl from the linux kernel, ive spent some time continuing the work of the people on cc and many others to remove the big kernel lock from linux and i now have a bklremoval branch in my git tree. The release comes a couple of months after the first release candidate, and in his. Reiserfs is currently supported on linux without quota support licensed as gplv2. Nov 17, 2017 the report, released by the linux foundation, outlines the development process and highlights the ongoing work of some of these contributors. As is probably known to our readers, pvsstudio static analyzer is exploring a new development direction the linux platform.
Well talk about how we are addressing this in the kernel, in glibc and in distributions, what problem are still unsolved, and the various ways in which even 64bit systems are still affected. The year 2038 problem is also called unix millenium bug or y2k38 bug which might cause problems in the data storage situations, such situations where time values are stored or calculated as a signed 32bit integer. The full extent of the mips open program was announced yesterday, so i had a closer look. Aug 22, 2016 founded in 2000, the linux foundation is supported by more than 1,000 members and is the worlds leading home for collaboration on open source software, open standards, open data, and open hardware. Aug 06, 2012 linux kernel developer arnd bergmann is interviewed for this weeks 30 linux kernel developers in 30 weeks profile. Arnd bergmann decided to test all versions of gcc to see how far back he could go and still compile a proper linux kernel.
Arnd bergmann works for linaro as one of the maintainers of the armsoc tree, through which the platform specific code for arm based socs are merged. Citeseerx linux on cell broadband engine status update 21. The arm architecture is one of the fastest moving subsystems in the kernel at the moment, with over 400 individual contributors and close to 5000 changesets. It is deployed on a wide variety of computing systems, from personal computers, mobile devices, mainframes, and supercomputer to embedded devices, such as routers, wireless access points, private branch exchanges, settop boxes, fta receivers, smart tvs, personal video recorders, and nas appliances. They finally stopped calling it open source, and instead use the term open use now, which basically seems to mean royaltyfree, as the license is not particularly open. Linux foundations projects are critical to the worlds infrastructure including linux, kubernetes, node. If you have a device with only flash storage with a block interface, for example an sd card, download flashbench from arnd bergmann and optimize the settings of your filesystems to get the best performance out of your storage. Bergmann shares with us his focus areas at the moment as well as some specific advice for newbies. Oct 22, 2018 the end of time, 19 years to go arnd bergmann, linaro ltd. Hi arnd, francois the nssgmac driver is for the internal gmac ip in the qualcomm ipq806x soc.
In this article, arnd bergmann of linaro answers a few questions about his work on the kernel. If nothing happens, download the github extension for visual studio and try again. We use flashbench, developed by arnd bergmann which can be downloaded from a forked branch at github. Arnd bergmann has been with linaro since almost the beginning. Arnd bergmann, an engineer working on the thorny y2038 problem in the linux kernel, posted to the mailing list that, yup, linux 5. You can learn more about the linux kernel development process and read more developer profiles in the full report. Sometimes it seems that things have gone relatively quiet on the year2038 front. By arnd bergmann thursday, february 6, 2020 8 mins read. Arnd bergmann works for linaro as one of the maintainers of the.
Linux kernel mtd eeprom support and driver integration. Joining information is available in each session description. My point is that its the wrong place to disable it. Name arnd bergmann what role do you play in the community andor what subsystems do you work on. Contribute to torvaldslinux development by creating an account on github.
Arm soc awt2300 comaintainer arnd bergmann, also in the audience, encouraged fang and others working on openbmc not lunux wait for some point when everything is complete, but to start sending in patches incrementally, even if they will require additional revisions. I am comaintaining the armsoc kernel tree together with olof johansson. The report, released by the linux foundation, outlines the development process and highlights the ongoing work of some of these contributors. There are 2 arm cores and 2 nss cores inside the ipq806x soc. She was one of 14 aspiring it professionals to receive a 2016 linux foundation training lift scholarship, announced last month. Hi everyone, in the last weeks, weve drivers coming up both about mostly some very simple drivers that expose to the userspace a few bytes of. Ksenija stanojevic first became acquainted with the linux kernel community after being accepted for an outreachy internship. The top 10 developers and companies contributing to the linux. Linaro tech days will feature some of the content from our cancelled event linaro connect budapest remotely. Van doorn and arnd bergmann, title linux on cell broadband engine status update. Testing tool for managed flash memory devices, see the dev branch for updates which arent yet upstream and report your results to the flashbenchresults mailing list bradfaflashbench. If you have a device with only flash storage with a block interface, for example an sd card, download flashbench from arnd bergmann and optimize the settings of your filesystems to get the best performance out of your storage, and optimize its lifetime. As a longtime kernel contributor, he has worked on many cpu architectures and subsystems before that, and his current side interests.
But time keeps moving forward and the point in early 2038 when 32bit timet values can no longer represent times correctly is now less than 21 years away. This article shows how easily you can check a project with the help of the linux version of the analyzer, because the simpler pvsstudio for linux is, the more supporters it will have. Linux kernel patch, rfc 0022 arm randconfig bugs page 3. Hi arnd, francois the nssgmac driver is for the internal gmac ip in the qualcomm ipq806x. Shuah khan becomes the third linux foundation fellow. When the linux kernel finally ends support for the. Fang then outlined the process of porting openbmc to a new board.
Arm soc awt2300 comaintainer arnd bergmann, also in the audience, encouraged fang and others working on openbmc not lunux wait for some point when everything is complete, but to start sending in patches incrementally, even if they will require additional revisions and effort. Dec 09, 2019 the driver was merged in 1999 and has only ever seen treewide cleanups since then, with no indication whatsoever that anyone has actually had access to hardware for testing the patches. Linux kernel developer arnd bergmann is interviewed for this weeks 30 linux kernel developers in 30 weeks profile. The end of time, 19 years to go arnd bergmann, linaro. Jun 24, 2019 testing tool for managed flash memory devices, see the dev branch for updates which arent yet upstream and report your results to the flashbenchresults mailing list bradfaflashbench. I picked this because it is a fairly isolated problem, as the inode time stamps are rarely assigned to any other time values. Reiserfs is a generalpurpose, journaled computer file system initially designed and implemented by a team at namesys led by hans reiser. The driver was merged in 1999 and has only ever seen treewide cleanups since then, with no indication whatsoever that anyone has actually had access to hardware for testing the patches. The rest are standard linux os tools like dd, unless stated.
Linux developer arnd bergmann mentioned this feature in an email mailed to linus torvalds. The end of time, 19 years to go arnd bergmann, linaro ltd. Aug, 2018 the todo item named make spi and sdio components coexist in one build was apparently addressed a long time ago, but never removed from the todo file. Posted apr 14, arm soc tree comaintainer arnd bergmann, also in the audience, encouraged fang and others working on openbmc not to wait for some point when everything is complete, but to start sending in patches incrementally, even if they will require additional revisions and effort. Intel ethernet drivers and utilities list edevel archives. Everything that was released for download on now seems to have been. But what about debugging it, writing test suites, and tracking down. Notsure about root port, cant it be disabled by intel device. Hes worked on the kernel across many cpu architectures over his career is and currently comaintaining the soc tree that is used for merging platform support into the kernel. Contribute to 3adevy2038 development by creating an account on github. Hes worked on the kernel across many cpu architectures over his career is and currently. Work has been going on to avoid that overflow in the linux kernel, with. The end of time, 19 years to go arnd bergmann, linaro ltd software that uses a 32bit integer to represent seconds since the unix epoch of jan 1 1970 is affected by that variable overflowing on. The linux kernel is a free and opensource, monolithic, unixlike operating system kernel.
One of the developers leading the effort to address this problem is arnd bergmann. These corrections are now in the forthcoming linux 5. Copypasting a comment from arnd bergmann, an experienced linux kernel developer. Van doorn and arnd bergmann, title linux on cell broadband engine status update 21, year 2007 share. So this last week was pretty calm, even if the pattern of most of the stuff coming in on a friday made it feel less so as the weekend approached. Mar 25, 2020 the yocto build includes three layers. After experimenting a bit with the kernel, ksenija quickly began submitting patches, specifically working on splitting an. Software that uses a 32bit integer to represent seconds since the unix epoch of jan 1 1970 is affected by that variable overflowing on jan 19 2038, often in a catastrophic way. We pick up patches from dozens of arm sub architecture maintaine. That may seem like a long time, but the relatively long life cycle of many embedded systems means that some systems deployed today will still be in service when that deadline hits. Linux on cell broadband engine status update 21 2007 cached. These will be held via zoom webinar and livestreamed to youtube.