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  1. RHEL
  2. RHEL-30365

Check/fix machine type compatibility for QEMU 9.0.0 [s390x][rhel-9.5.0]

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      We are going to rebase to QEMU 9.0.0 for RHEL 9.5.0. Please check device tree changes introduces by rebase and prepare fix in case it's needed to keep rhel machine type stable.

      This issue has to be resolved before we are handling rebase build to ensure that CentOS contains compatible machine types after rebase.

       

      You should use rc MR for checking.

            [RHEL-30365] Check/fix machine type compatibility for QEMU 9.0.0 [s390x][rhel-9.5.0]

            Thomas Huth added a comment -

            I've double-checked the upstream code, and the -8.2.0 machine type only adds the generic hw_compat_8_2 bits:

             https://gitlab.com/qemu-project/qemu/-/blob/v9.0.0-rc3/hw/s390x/s390-virtio-ccw.c#L871

            These have been added in downstream by the hw_compat_rhel_9_5 bits via the "Add upstream compatibility bits" patch already, so there is nothing left to do here. Thus let's close this now.

            Thomas Huth added a comment - I've double-checked the upstream code, and the -8.2.0 machine type only adds the generic hw_compat_8_2 bits:   https://gitlab.com/qemu-project/qemu/-/blob/v9.0.0-rc3/hw/s390x/s390-virtio-ccw.c#L871 These have been added in downstream by the hw_compat_rhel_9_5 bits via the "Add upstream compatibility bits" patch already, so there is nothing left to do here. Thus let's close this now.

            Miroslav Rezanina added a comment -

            Current rebase MR: https://gitlab.com/redhat/rhel/src/qemu-kvm/qemu-kvm/-/merge_requests/363 (9.0.0 RC3)

            Miroslav Rezanina added a comment - Current rebase MR: https://gitlab.com/redhat/rhel/src/qemu-kvm/qemu-kvm/-/merge_requests/363 (9.0.0 RC3)

            Miroslav Rezanina added a comment -

            Current rebase MR: https://gitlab.com/redhat/rhel/src/qemu-kvm/qemu-kvm/-/merge_requests/359 (9.0.0 RC1)

            Miroslav Rezanina added a comment - Current rebase MR: https://gitlab.com/redhat/rhel/src/qemu-kvm/qemu-kvm/-/merge_requests/359 (9.0.0 RC1)

            Miroslav Rezanina added a comment -

            Current rebase MR: https://gitlab.com/redhat/rhel/src/qemu-kvm/qemu-kvm/-/merge_requests/356

            Miroslav Rezanina added a comment - Current rebase MR: https://gitlab.com/redhat/rhel/src/qemu-kvm/qemu-kvm/-/merge_requests/356

              thuth@redhat.com Thomas Huth
              mrezanin Miroslav Rezanina
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