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[Xen-devel] [RFC PATCH V2 0/2] support xen HVM direct kernel boot

After your valuable suggestions, I'll continue the work to support
stubdom. But since stubdom currently uses qemu-xen-traditional and
will switch to qemu upstream in future, in a period of time, stubdom
HVM direct kernel boot won't be in working status. So, before
continuing the stubdom support work, I updated existing patch series,
adding proper error messages for rombios and stubdom limitation,
adding man page descriptions and other trival updates to make it a
complete working patch series. For those using seabios and non stubdom,
they can use now.

xen side patch: pass kernel/initrd/append parameters to qemu-dm
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.

v1 is here:

Chunyan Liu (2):
  xen: pass kernel initrd to qemu
  qemu: support xen hvm direct kernel boot

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