Wednesday, November 28, 2018

Software Freedom Conservancy donations are being matched again!

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Donations to Software Freedom Conservancy , the charity that acts as the legal home for QEMU and many other popular open source projects tha...
Tuesday, November 27, 2018

QEMU Advent Calendar 2018 is coming!

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QEMU Advent Calendar is running again this year. Each day from December 1st through 24th a surprise QEMU disk image will be released for yo...
Sunday, November 4, 2018

Video and slides available for "Security in QEMU"

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I gave a talk about security in QEMU at KVM Forum 2018. It covers the architecture of QEMU and focusses on the attack surfaces that are exp...
Friday, January 26, 2018

How to modify kernel modules without recompiling the whole Linux kernel

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Do you need to recompile your Linux kernel in order to make a change to a module? What if you just want to try to fix a small bug while run...
Saturday, December 2, 2017

My favorite software engineering books

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The programming books that I find most interesting are neither about computer science theory nor the latest technology fads. Instead they a...
Wednesday, November 15, 2017

Video and slides available for "Applying Polling Techniques to QEMU: Reducing virtio-blk I/O Latency"

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At KVM Forum 2017 I gave a talk about the AioContext polling optimization that was merged in QEMU 2.9. It reduces latency for virtio-blk an...
Monday, November 13, 2017

Common disk benchmarking mistakes

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Collecting benchmark results is the first step to solving disk I/O performance problems. Unfortunately, many bug reports and performance in...