On Tue, Feb 27, 2024 at 05:36:02PM +0100, Peter Krempa wrote: > This patchset removes the use of '-usb' legacy controller specification. > > For the vast majority of platforms/machines (most of the irrelevant > ones) which don't actually have a concept of implicit USB qemu ignores > the '-usb' argument. > > For the relevant platforms libvirt would already pick exactly the > same controller and thus '-usb' wouldn't be used at all. > > There's a small handful of ARM boards 'realview' and 'versatilepb' where > libvirt would pick the wrong one as default if some controllers were > compiled out and thus reallistically '-usb' would have effect for those > although would be unusable as libvirt's bus name for the bus is incorret > and thus no devices would be usable. > > For the two mostly obsolete board types this series can break ABI in the > aforementioned corner case. > > Other than that this removes all the legacy code which makes USB > controller selection utterly confusing. > > Peter Krempa (25): > tests: Replace mentions of the removed 'qemucapabilitiesnumbering' tool > qemucapabilitiesdata: Document faked caps dumps > testutilshostcpus: Add support for VIR_ARCH_ARMV7L > qemucapabilitiestest: Add test dump for 'armv7l' architecture > qemu: domain: Add checkers for 'microvm' machine type > qemu: Add basic framework for 'microvm' machine type > qemuxmlconfdata: Add tests for USB controller selection with 'versatilepb' machine on aarch64 qemu binary > qemuxmlconfdata: Add tests for USB controller selection with 'versatilepb' machine on arm qemu binary > qemuDomainDefAddDefaultDevices: Handle defaults for all ARM arches together > qemuDomainControllerDefPostParse: Use proper enum value for default USB controller model > qemuDomainDefAddDefaultDevices: Populate default USB for 'versatilepb' and 'realview' ARM machines > qemuDomainControllerDefPostParse: Use 'pci-ohci' as last-resort fallback USB controller > qemuxmlconftest: Add test for 'realview' machine > qemuxmlconftest: Add test data for an ARM machine where qemu doesn't honour -usb > qemuxml2conftest: Consolidate usb controller tests for 'pseries' machine > qemuxmlconftest: Add test case when default USB controller for 'pseries' is compiled out > qemuxmlconftest: Add test data for USB selection with 'g3beige' machine on ppc64 > qemuxmlconftest: Add test data for USB selection with 'mac99' machine on ppc64 > qemuxmlconftest: Add test data for USB selection with 'powernv' machine on ppc64 > qemuxmlconftest: Add test data for USB selection with 'mac99' machine on ppc > qemu: command: Don't downgrade to '-usb' for x86 based machines > qemu: command: Don't downgrade to '-usb' with 'pseries' machines > qemu: command: Don't downgrade to '-usb' for ppc based machines > qemu: command: Don't downgrade to '-usb' for arm based machines > qemu: command: Remove fallback '-usb' handling Reviewed-by: Andrea Bolognani <abologna@xxxxxxxxxx> -- Andrea Bolognani / Red Hat / Virtualization _______________________________________________ Devel mailing list -- devel@xxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxx
