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mcbridematttoday at 10:16 AM3 repliesview on HN

Ah, that explains this patchset that was submitted to the Linux kernel today

"KVM: s390: Introduce arm64 KVM"

"By introducing a novel virtualization acceleration for the ARM architecture on s390 architecture, we aim to expand the platform's software ecosystem. This initial patch series lays the groundwork by enabling KVM-accelerated ARM CPU virtualization on s390....."

https://patchwork.kernel.org/project/linux-arm-kernel/cover/...


Replies

trebligdivadtoday at 11:24 AM

Oh that's a weird way to do it; they used to have an x86 add on block for mainframes which was just a pile of x86 blades with some integration.

rbanffytoday at 10:54 AM

Z/OS for ARM then? ;-)

I’ve been running VM/370 and MVS on my RPi cluster for a long time now.

raverbashingtoday at 12:40 PM

But I wonder if this is "much better" than x86 emulation or virt?

Is there really SW that's limited to (Linux) ARM and not x86?

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