qemu 1:6.0+dfsg-2expubuntu1 source package in Ubuntu

Changelog

qemu (1:6.0+dfsg-2expubuntu1) impish; urgency=medium

  * Merge with Debian experimental, remaining changes:
    - qemu-kvm to systemd unit
      - d/qemu-kvm-init: script for QEMU KVM preparation modules, ksm,
        hugepages and architecture specifics
      - d/qemu-system-common.qemu-kvm.service: systemd unit to call
        qemu-kvm-init
      - d/qemu-system-common.install: install helper script
      - d/qemu-system-common.qemu-kvm.default: defaults for
        /etc/default/qemu-kvm
      - d/rules: call dh_installinit and dh_installsystemd for qemu-kvm
    - Distribution specific machine type
      (LP: 1304107 1621042 1776189 1761372 1761372 1776189)
      - d/p/ubuntu/define-ubuntu-machine-types.patch: define distro machine
        types containing release versioned machine attributes
      - d/qemu-system-x86.NEWS Info on fixed machine type defintions
        for host-phys-bits=true
      - Add an info about -hpb machine type in debian/qemu-system-x86.NEWS
      - ubuntu-q35 alias added to auto-select the most recent q35 ubuntu type
    - Enable nesting by default
      - d/p/ubuntu/enable-svm-by-default.patch: Enable nested svm by default
        in qemu64 on amd
        [ No more strictly needed, but required for backward compatibility ]
    - improved dependencies
      - Make qemu-system-common depend on qemu-block-extra
      - Make qemu-utils depend on qemu-block-extra
    - tolerate ipxe size change on migrations to >=18.04 (LP: 1713490)
      - d/p/ubuntu/pre-bionic-256k-ipxe-efi-roms.patch: old machine types
        reference 256k path
      - d/control-in: depend on ipxe-qemu-256k-compat-efi-roms to be able to
        handle incoming migrations from former releases.
    - d/qemu-system-x86.README.Debian: add info about updated nesting changes
    - d/control*, d/rules: disable xen by default, but provide universe
      package qemu-system-x86-xen as alternative
      [includes compat links changes of 5.0-5ubuntu4]
    - d/p/ubuntu/enable-svm-by-default.patch: update to match v6.0
    - d/p/ubuntu/define-ubuntu-machine-types.patch: add ubuntu machine types
      for v6.0
    - d/p/ubuntu/lp-1929926-*: avoid segfaults by uretprobes (LP 1929926)
    - Ease the use of module retention on upgrades (LP 1913421)
      - debian/qemu-block-extra.postinst: enable mount unit on install/upgrade
  * Dropped Changes [in 1:6.0+dfsg-2exp]:
    - d/control-in: Disable capstone disassembler library support (universe)
    - Disable fuse export (universe dependency)
    - Ease the use of module retention on upgrades (LP 1913421)
      - d/run-qemu.mount, d/rules: provide run-qemu.mount in qemu-block-extra
      - d/rules: only save modules if /run/qemu isn't noexec
      - d/rules: clear all (current and former) modules on purge
    - d/control: qemu 6.0 broke libvirt <7.2 add a breaks to avoid partial
      upgrade issues (LP 1932264)
    - Enable SDL as secondary UI backend (LP 1256185)
      - d/control: add build dependency libsdl2-dev
      - d/control: enable sdl graphics on build
      - d/qemu-system-gui.install: add ui-sdl.so
      - d/control: add runtime dependency to libgl1
  * Dropped Changes [no more needed]
    - let qemu-utils recommend sharutils
  * Added changes:
    - d/optionrom.mak, d/p/u/avoid-fcf-clashing-with-i486.patch: fix
      -fcf-protection being unavailble on -march=i486 (LP: #1940029)
    - d/p/u/lp-1932175-s390x-cpumodel-add-3931-and-3932.patch: add new 3931
      and 3932 machines (LP: #1932175)
   -  d/p/u/lp-1940288-audio-Never-send-migration-section.patch: fix
      migration with audio devices present (LP: #1940288)

qemu (1:6.0+dfsg-2exp) experimental; urgency=medium

  [ Christian Ehrhardt ]
  * qemu 6.0 broke libvirt <7.2, add a Breaks
    to avoid partial upgrade issues (LP: #1932264)
  * enable SDL as secondary UI backend (LP: #1256185)
  * clear all (current and former) modules on purge
  * only save modules if /run/qemu isn't noexec
  * provide run-qemu.mount in qemu-block-extra
    (disabled in debian for now)
  * Disable capstone disassembler library support in ubuntu (universe)

  [ Michael Tokarev ]
  * qemu does not ship Changelog file anymore
  * drop version from libfuse-dev build-depends (noticed by Ville Skyttä)
  * a few patches from upstream stable:
   - target-ppc-fix-load-endianness-for-lxvwsx-lxvdsx.patch
     fix various crashes in ppc system emulation.
     Thanks to Christian Ehrhardt for pointing this out
   - pvrdma-fix-possible-mremap-overflow-in-pvrdma-device-CVE-2021-3582.patch
     (Closes: #990565, CVE-2021-3582)
   - pvrdma-ensure-correct-input-on-ring-init-CVE-2021-3607.patch
     (Closes: #990564, CVE-2021-3607)
   - pvrdma-fix-the-ring-init-error-flow-CVE-2021-3608.patch
     (Closes: #990563, CVE-2021-3608)
   - usb-limit-combined-packets-to-1-MiB-CVE-2021-3527.patch
     usb-redir-avoid-dynamic-stack-allocation-CVE-2021-3527.patch
     (Closes: #988157, CVE-2021-3527)
  * mention closing of 3 bugs in am53c974 (ESP) device emulation by 6.0
    (Closes: #979679, CVE-2020-35504)
    (Closes: #984455, CVE-2020-35505)
    (Closes: #984454, CVE-2020-35506)
  * make fuse debian-only, since libfuse3 in ubuntu is in universe
  * fix microvm default machine type for a new build system (LP: #1936894)

 -- Christian Ehrhardt <email address hidden>  Thu, 12 Aug 2021 15:35:12 +0200