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Tag Archives: Virtualization

ARM Virtualization – ARM vs x86 (Part 5)

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Sorry for the delay in this post. I could not get to this post in time and wanted to be sure it is well-researched. The final post in this series is a comparison of the hardware support in the ARM and x86 world. As mentioned in the previous post the biggest reason for ARM to include virtualization in their architecture ...

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ARM Virtualization – Applications (Part 4)

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In the last few posts we discussed the hardware support needed to provide virtualization. In this post how virtualization can empower the user. We’ll discuss the use cases we already see in the server and desktop space, and mobile specific applications like big.LITTLE and lowering production costs for handsets. The first post in this series had an overview of virtualization. ...

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ARM Virtualization – I/O Virtualization (Part 3)

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In the second part of the series we introduced memory management and interrupt handling support provided by virtualization hardware extensions. But effective virtualization solutions need to reach beyond the core to communicate with peripheral devices. In this post we discuss the various techniques used for virtualizing I/O, the problems faced, and the hardware solutions to mitigate these problems. The Difficulty ...

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ARM Virtualization Extensions – Memory and Interrupts (Part 2)

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In the first part of this series, I introduced the topic of virtualization. Today I will venture deeper into the ARM virtualization extensions for memory management and handling of interrupts. Within the core, virtualization mostly provides controls over the system registers. But as we move further from the core, and start to communicate with the outside world, difficulties and nuances in ...

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ARM Virtualization Extensions – Introduction (Part 1)

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Sorry guys for another hiatus, my job at Calxeda keeps me busy. I was recently discussing ARM’s virtualization support with my friend Ali Hussain (yup, that’s our idea of a fun dinner conversation) and found some very interesting facts. I requested Ali to share his knowledge in a blog post series on this topic, so here you go. Ali is in ...

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Virtualizing Your Java Applications: Best Practices (JavaOne 2011)

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Justin Murray started his presentation [“Virtualizing Your Java Applications: Best Practices” (21860)] about five minutes early and began by saying that virtualization has arrived at the point where people no longer need to be concerned about taking advantage of virtualization. He said his presentation is about a year old and is the work of a team of people. The relatively ...

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