On a device it’s not uncommon to share power domains between secure and non-secure side, for example between a TEE and Linux kernel. With that comes some challenges that needs to be taken care of and that is the theme for this presentation. We’ve identified a couple of challenges when it comes to power management and security. One case is when sharing power resources (clock, power domains, ...) between secure and non-secure devices. Another is to make a proper shutdown and boot-up sequence (CPU on/off etc) and finally there has been some concerns regarding the latency when communicating with PSCI. In this session we would like to highlight those and discuss what the short and long term plans are.

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The Linux kernel is one of the most successful software-development projects ever. To get there we had to surmount a number of process and community-management hurdles, though. The result is a development process that is a wonder to behold, but it would be a mistake to say that we have solved all of our problems forevermore. We are facing a number of obstacles that, beyond limiting our future growth, might even threaten our ability to sustain our current development pace. What are those obstacles, and what can we be doing to address them?

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The timekeeping code in the Linux kernel is used by nearly everything from the low power idle paths to device drivers. In this presentation, Stephen Boyd will take the audience on a tour of the timekeeping code, exploring how the kernel abstracts the hardware, how those abstractions are built upon to implement NOHZ, timers, hrtimers, cpu-idle, POSIX clocks, etc. and how we keep things working when these abstractions break down with the tick-broadcast mechanism.

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In STMicroelectronics we developed a set of tools for an efficient exploitation of application system trace under Linux, which we decided to make open source. The presentation will focus first on the current OSS tool offer, show which improvements can be made, then present ST proposed solutions compatible with Linaro Coresight framework (KPtrace, System Trace and Profiling Tool Kit) and a stepwise upstreaming plan.

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Open discussion on Linux networking and IO. Expected topics to be covered: - IPsec full offload status in Linux kernel network stack and projected LNG work. - IOvisor status on ARM - Automotive “foundational blocks”: LSK-RT, static partitioning with open source OpenAMP or Jailhouse

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Regular session taking place at Connect for developers working on Linux distributions to share progress on ARM Linux platform support. Users are also welcome to share their experiences using Linux distributions on ARM. The goal of the discussion is to identify areas in which Linaro can help.

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This is an inside look of the state of compliance from the perspective of the Software Freedom Conservancy, a nonprofit charitable organization that is the most active in the field. Karen will give an overview of where things are with compliance initiatives and insight into the ideological movement behind copyleft.

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SFO15-500K3: Security Panel
Speaker: Grant Likely
Date: September 25, 2015

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SFO15-400K2: Guest Keynote: Dave Neary, Redhat ————————————————— Speaker: Dneary Track: Keynote ————————————————— ★ Session Summary ★ ————————————————— ★ Resources ★ pathable: https://sfo15.pathable.com/meetings/303069 Presentation: Video: https://youtu.be/9RPsaPr4mzg?t=10m2s Eatherpad: pad.linaro.org/p/sfo15-400k2 ————————————————— ★ Event Details ★ Linaro Connect San Francisco 2015 – #SFO15 September 21-25th, 2015 Hyatt Regency San Francisco Airport ————————————————— > http://www.linaro.org > http://connect.linaro.org

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