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Message-ID: <53577D3C.5060103@siemens.com> Date: Wed, 23 Apr 2014 10:43:40 +0200 From: Jan Kiszka <jan.kiszka@...mens.com> To: Carlo Vitucci <vitucci.carlo@...il.com>, jailhouse-dev@...glegroups.com CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, "Sabony, Mazda" <Mazda.Sabony@....com> Subject: Re: Developer wanted: AMD64 port of Jailhouse hypervisor On 2014-04-23 08:21, Carlo Vitucci wrote: > Il giorno lunedì 14 aprile 2014 20:27:16 UTC+2, J. Kiszka ha scritto: >> Hi all, >> >> >> >> so far the Linux-based Jailhouse hypervisor [1] is only available for >> >> Intel x86 CPUs. I'm now very happy to announce that AMD is offering to >> >> sponsor the initial port of Jailhouse to the AMD64 architecture. Our >> >> resources here are unfortunately bound to different tasks, but if anyone >> >> out there with the required skills is interested in working on this >> >> project, just reply to this email or contact me and Mazda directly. >> >> >> >> The work to be done is manageable: we basically need corresponding >> >> implementations of vmx.c and vtd.c in the current Jailhouse code base - >> >> provided our existing abstractions were done right. Someone familiar >> >> with virtualization on x86 in general and, ideally, even on AMD >> >> processors should be able to complete this task within a couple of weeks. >> >> >> >> For more details on the Jailhouse architecture and implementations, see >> >> our slowly growing Documentation folder in the source tree or simply ask >> >> on the mailing list. >> >> >> >> Jan >> >> >> >> [1] https://github.com/siemens/jailhouse >> >> >> >> -- >> >> Siemens AG, Corporate Technology, CT RTC ITP SES-DE >> >> Corporate Competence Center Embedded Linux > > Hello jailhouse, > just a thought, if I could. AMD64 is not officially delivered and one > of the most important new features, that is the direct interrupt delivery, > is without a final specification. in other words, ARMv8 is the only suitable > architecture for Jailhouse porting, but there is still a bit fog around. I'm not sure if I got your point yet: AMD64 stands for the well-established x86-64 architecture with AMD-specific parts like the virtualization extensions. All these transistors and specs are broadly available for years. Regarding direct interrupt delivery: on Intel, we do not depend on specific hardware support to provide this feature, and I bet we can port that approach to AMD as well. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SES-DE Corporate Competence Center Embedded Linux -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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