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[Xen-devel] [RFC PATCH V5 0/3] Support xen HVM direct kernel boot

Updated current patch series for working with qemu-xen and default
BIOS (seabios), to make it in good shape. Stubdom support will be
xen side patches: 
    * pass kernel/initrd/append parameters to qemu-dm
    * add 'cmdline' in xl.cfg
qemu side patch: reuse load_linux() for xen hvm direct kernel boot.
    Different from pc_memory_init which does lots of ram alloc work
    and rom/bios loading work, for xen, we only need to init a basic
    fw_cfg device used by load_linux() to store ADDRs and
    linuxboot.bin/multiboot.bin to retrive ADDRs, then load_linux(),
    after that, do real add option rom work to add
    linuxboot.bin/multiboot.bin to system option rom. Other things
    would be done by seabios smoothly.

  xen side patch:
    - add 'cmdline' in xl.cfg (as a separate patch)
    - update u.pv.kernel compable work: fill in b_info.kernel with
      old u.pv.kernel in libxl__domain_build_info_setdefault, handle
      b_info.kernel only later.
    - update libxl.h to include LIBXL_HAVE_BUILDINFO_KERNEL only
      rather than three
  qemu side patch:
    - no change to v4.

v4 is here:

v3 is here:

v2 is here:

v1 is here:

Chunyan Liu (3):
  xen: pass kernel initrd to qemu
  xl.cfg: add 'cmdline' in config file
  qemu: support xen HVM direct kernel boot


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