One of the issues in any software project can be the disconnect between what users want or would find useful, and the developers' idea of what users want or would…
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Monday we closed the poll for the security discussion. Thank you everyone who participated! The process has not turned up a hidden option that everyone agreed on; however, it has…
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As promised, here is the poll for the security discussion. As a reminder, the purpose of this poll is mainly to see where people's attitudes are with respect to the…
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The Xen Security team recently disclosed a vulnerability, Xen Security Advisory 7 (CVE-2012-0217), which would allow guest administrators to escalate to hypervisor-level privileges. The impact is much wider than Xen;…
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One of the goals for the 4.2 release is for xl to have feature parity with xm for the most important functions. But along the way, we've also been adding…
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Among the more unique features of Xen 4.2 is a feature called cpupools, designed and implemented by Jürgen Groß at Fujitsu. At its core it's a simple idea, but one…
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Xen 4.2 will contain two new scheduling parameters for the credit1 scheduler which significantly increase its confurability and performance for cloud-based workloads: timeslice_ms and ratelimit_us. This blog post describes what…
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One of the fun things about a hackathon is the chance to get everyone together in a room and just talk about crazy ideas you might try at some point…
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Linux 2.6.37, released just few days ago, is the first upstream Linux kernel that can boot on Xen as Dom0... Just enabling CONFIG_XEN in the kernel config of a 2.6.37…
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Quick update on the community manager search. We've interviewed a number of candidates, all of whom look very promising. We're going to be discussing them soon, and hopefully sending out…
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As many of you know, XenSummit Asia 2010, originally planned for Nov 3-4 in Seoul, Korea, is being postponed. The current plan is to push back the event by about…
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I'm working on now is an automated test framework, which will measure the effectivenes of the scheduler. This is actually a bit trickier than one might expect. You can't simply…
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Shadow 3 is the next step in the evolution of the shadow pagetable code. By making the shadow pagetables behave more like a TLB, we take advantage of guest operating…
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