Merge tag 'staging-pull-request' of https://gitlab.com/peterx/qemu into staging

Memory pull for 11.0 softfreeze

- BALATON's memory cleanups on _nomigrate MRs and else
- Phil's small constify series and else
- Marc-André's initial cleanup patches around ram discard manager

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* tag 'staging-pull-request' of https://gitlab.com/peterx/qemu:
  system/memory: Have memory_region_type() correctly describe containers
  system/xen: Constify various MemoryRegion arguments
  system/memory: Constify various MemoryRegion arguments
  system/ramblock: Constify various RAMBlock arguments
  kvm: replace RamDicardManager by the RamBlockAttribute
  system/memory: minor doc fix
  virtio-mem: use warn_report_err_once()
  memory: drop RamDiscardListener::double_discard_supported
  system/rba: use DIV_ROUND_UP
  memory: Factor out common ram ptr initialization
  memory: Factor out common ram region initialization
  memory: Add internal memory_region_register_ram function
  memory: Shorten memory_region_init_ram_device_ptr and memory_region_init_rom_device
  memory: Remove memory_region_init_ram_nomigrate()
  hw/xtensa/xtfpga: Do not use memory_region_init_ram_nomigrate()
  sun4m,sun4u,tcx: Do not use memory_region_init_ram_nomigrate()
  memory: Remove memory_region_init_rom_nomigrate()
  hw/display/{cg3.tcx}: Do not use memory_region_init_rom_nomigrate()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --cc hw/sparc/sun4m.c
Simple merge