s390x changes in QEMU 3.1

QEMU is now in the -rc phase for 3.1, with a release expected in early/mid December, and, as usual, this is a good time to summarize the s390x changes for that release.

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s390x changes in QEMU 3.0

QEMU 3.0 is currently in the late -rc phase (with the final release expected early/mid August), so here’s a quick summary of what has been changed for s390x.

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A vfio-ccw primer

While basic support for vfio-ccw has been included in Linux and QEMU for some time, work has recently started to ramp up again and it seems like a good time to give some basic overview.

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s390x changes in QEMU 2.12

As QEMU is now in hard freeze for 2.12 (with the final release expected in mid/late April), now is a good point in time to summarize some of the changes that made it into QEMU 2.12 for s390x.

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Notes on PCI on s390x

As QEMU 2.12 will finally support PCI devices under s390x/tcg, I thought now is a good time to talk about some of the peculiarities of PCI on the mainframe.

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