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[Xen-devel] [PATCH v4 0/6] Introduce Xen support to ARM64



Hi all,
this patch series introduces Xen support to arch/arm64.

As you can see from the following patches, there is very little arm64
specific code here, basically only one assembly file
(arch/arm64/xen/hypercall.S).

Everything else is common with Xen for ARMv7, in particular the code
under arch/arm/xen (enlighten.c and the stubs in grant-table.c) and most
of the header files under arch/arm/include/asm/xen (hypercall.h,
hypervisor.h, interface.h, page.h) can be reused as-is.



Changes in v4:
- build the entire directory arch/arm/xen under arch/arm64;
- add the arm64 hypercall wrappers to arch/arm/xen/hypercall.S.


Stefano Stabellini (6):
      arm/xen: define xen_remap as ioremap_cached
      arm64/xen: introduce asm/xen header files on arm64
      arm64/xen: implement ioremap_cached on arm64
      arm64/xen: use XEN_IO_PROTO_ABI_ARM on ARM64
      arm64/xen: introduce CONFIG_XEN on ARM64
      MAINTAINERS: add myself as arm64/xen maintainer

 MAINTAINERS                             |    7 ++
 arch/arm/include/asm/xen/page.h         |    3 +-
 arch/arm/xen/hypercall.S                |   98 ++++++++++++++++++++-----------
 arch/arm64/Kconfig                      |   10 +++
 arch/arm64/Makefile                     |    1 +
 arch/arm64/include/asm/hypervisor.h     |    6 ++
 arch/arm64/include/asm/io.h             |    2 +
 arch/arm64/include/asm/sync_bitops.h    |   26 ++++++++
 arch/arm64/include/asm/xen/events.h     |   21 +++++++
 arch/arm64/include/asm/xen/hypercall.h  |    1 +
 arch/arm64/include/asm/xen/hypervisor.h |    1 +
 arch/arm64/include/asm/xen/interface.h  |    1 +
 arch/arm64/include/asm/xen/page.h       |    1 +
 include/xen/interface/io/protocols.h    |    2 +-
 14 files changed, 143 insertions(+), 37 deletions(-)
 create mode 100644 arch/arm64/include/asm/hypervisor.h
 create mode 100644 arch/arm64/include/asm/sync_bitops.h
 create mode 100644 arch/arm64/include/asm/xen/events.h
 create mode 100644 arch/arm64/include/asm/xen/hypercall.h
 create mode 100644 arch/arm64/include/asm/xen/hypervisor.h
 create mode 100644 arch/arm64/include/asm/xen/interface.h
 create mode 100644 arch/arm64/include/asm/xen/page.h


git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen.git xen-arm64-4


- Stefano

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