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MAINTAINERS
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List of maintainers and how to submit changes
=============================================
Please try to follow the guidelines below. This will make things
easier on the maintainers. Not all of these guidelines matter for every
trivial patch so apply some common sense.
1. Always _test_ your changes, however small, on at least 4 or
5 people, preferably many more.
2. Make sure your changes compile correctly in multiple
configurations. For example, both 32- and 64-bit x86.
3. Make a patch available to the relevant maintainer in the list. Use
'diff -u' to make the patch easy to merge. Be prepared to get your
changes sent back with seemingly silly requests about formatting
and variable names. These aren't as silly as they seem. One
job the maintainers do is to keep things looking the same.
PLEASE see https://wiki.xenproject.org/wiki/Submitting_Xen_Patches for
hints on how to submit a patch to xen-unstable in a suitable
form.
PLEASE try to include any credit lines you want added with the
patch. It avoids people being missed off by mistake and makes
it easier to know who wants adding and who doesn't.
PLEASE document known bugs. If it doesn't work for everything
or does something very odd once a month document it.
PLEASE remember that submissions must be made under the terms
of the "Developer's Certificate of Origin" (DCO) and should include
a Signed-off-by: line.
4. Make sure you have the right to send any changes you make. If you
do changes at work you may find your employer owns the patch
not you.
5. Happy hacking.
Stable Release Maintenance
==========================
The policy for inclusion in a Xen stable release is different to that
for inclusion in xen-unstable.
Please see https://wiki.xenproject.org/wiki/Xen_Maintenance_Releases for more
information.
Backport requests should be made on the [email protected]
list. Remember to copy the appropriate stable branch maintainer who
will be listed in this section of the MAINTAINERS file in the
appropriate branch.
Unstable Subsystem Maintainers
==============================
Descriptions of section entries:
M: Mail patches to: FullName <address@domain>
R: Designated reviewer: FullName <address@domain>
Reviewers should be CCed on patches. However, they do not
have a formal governance role, and are listed here
simply because of their own request.
L: Mailing list that is relevant to this area
W: Web-page with status/info
T: SCM tree type and location. Type is one of: git, hg, quilt, stgit.
S: Status, one of the following:
Supported: Someone is actually paid to look after this.
Maintained: Someone actually looks after it.
Odd Fixes: It has a maintainer but they don't have time to do
much other than throw the odd patch in. See below..
Orphan: No current maintainer [but maybe you could take the
role as you write your new code].
Obsolete: Old code. Something tagged obsolete generally means
it has been replaced by a better system and you
should be using that.
F: Files and directories with wildcard patterns.
A trailing slash includes all files and subdirectory files.
F: drivers/net/ all files in and below drivers/net
F: drivers/net/* all files in drivers/net, but not below
F: */net/* all files in "any top level directory"/net
One pattern per line. Multiple F: lines acceptable.
X: Files and directories that are NOT maintained, same rules as F:
Files exclusions are tested before file matches.
Can be useful for excluding a specific subdirectory, for instance:
F: net/
X: net/ipv6/
matches all files in and below net excluding net/ipv6/
K: Keyword perl extended regex pattern to match content in a
patch or file. For instance:
K: of_get_profile
matches patches or files that contain "of_get_profile"
K: \b(printk|pr_(info|err))\b
matches patches or files that contain one or more of the words
printk, pr_info or pr_err
One regex pattern per line. Multiple K: lines acceptable.
The meaning of nesting:
Many maintainership areas are "nested": for example, there are entries
for xen/arch/x86 as well as xen/arch/x86/mm, and even
xen/arch/x86/mm/shadow; and there is a section at the end called "THE
REST" which lists all committers. The meaning of nesting is that:
1. Under normal circumstances, the Ack of the most specific maintainer
is both necessary and sufficient to get a change to a given file
committed. So a change to xen/arch/x86/mm/shadow/multi.c requires the
the Ack of the xen/arch/x86/mm/shadow maintainer for that part of the
patch, but would not require the Ack of the xen/arch/x86 maintainer or
the xen/arch/x86/mm maintainer.
(A patch of course needs acks from the maintainers of each file that
it changes; so a patch which changes xen/arch/x86/traps.c,
xen/arch/x86/mm/p2m.c, and xen/arch/x86/mm/shadow/multi.c would
require an Ack from each of the three sets of maintainers.)
2. In unusual circumstances, a more general maintainer's Ack can stand
in for or even overrule a specific maintainer's Ack. Unusual
circumstances might include:
- The patch is fixing a high-priority issue causing immediate pain,
and the more specific maintainer is not available.
- The more specific maintainer has not responded either to the
original patch, nor to "pings", within a reasonable amount of time.
- The more general maintainer wants to overrule the more specific
maintainer on some issue. (This should be exceptional.)
- In the case of a disagreement between maintainers, THE REST can
settle the matter by majority vote. (This should be very exceptional
indeed.)
Maintainers List (try to look for most precise areas first)
-----------------------------------
ACPI
M: Jan Beulich <[email protected]>
S: Supported
F: xen/arch/x86/acpi/
F: xen/drivers/acpi/
F: xen/include/acpi/
F: tools/libacpi/
AMD IOMMU
M: Suravee Suthikulpanit <[email protected]>
R: Brian Woods <[email protected]>
S: Maintained
F: xen/drivers/passthrough/amd/
AMD SVM
M: Boris Ostrovsky <[email protected]>
M: Suravee Suthikulpanit <[email protected]>
R: Brian Woods <[email protected]>
S: Supported
F: xen/arch/x86/hvm/svm/
F: xen/arch/x86/cpu/vpmu_amd.c
ARGO
M: Christopher Clark <[email protected]>
S: Maintained
F: xen/include/public/argo.h
F: xen/include/xen/argo.h
F: xen/common/argo.c
ARINC653 SCHEDULER
M: Josh Whitehead <[email protected]>
M: Robert VanVossen <[email protected]>
S: Supported
F: xen/common/sched_arinc653.c
F: tools/libxc/xc_arinc653.c
ARM (W/ VIRTUALISATION EXTENSIONS) ARCHITECTURE
M: Stefano Stabellini <[email protected]>
M: Julien Grall <[email protected]>
R: Volodymyr Babchuk <[email protected]>
S: Supported
F: docs/misc/arm/
F: xen/arch/arm/
F: xen/drivers/char/arm-uart.c
F: xen/drivers/char/cadence-uart.c
F: xen/drivers/char/exynos4210-uart.c
F: xen/drivers/char/meson-uart.c
F: xen/drivers/char/mvebu-uart.c
F: xen/drivers/char/omap-uart.c
F: xen/drivers/char/pl011.c
F: xen/drivers/char/scif-uart.c
F: xen/drivers/passthrough/arm/
F: xen/include/asm-arm/
F: xen/include/public/arch-arm/
F: xen/include/public/arch-arm.h
Continuous Integration (CI)
M: Doug Goldstein <[email protected]>
W: https://gitlab.com/xen-project/xen
W: https://travis-ci.org/xen-project/xen
S: Supported
F: .gitlab-ci.yml
F: .travis.yml
F: automation/
F: scripts/travis-build
CPU POOLS
M: Juergen Gross <[email protected]>
M: Dario Faggioli <[email protected]>
S: Supported
F: xen/common/cpupool.c
DEVICE TREE
M: Stefano Stabellini <[email protected]>
M: Julien Grall <[email protected]>
S: Supported
F: xen/common/libfdt/
F: xen/common/device_tree.c
F: xen/include/xen/libfdt/
F: xen/include/xen/device_tree.h
F: xen/drivers/passthrough/device_tree.c
EFI
M: Jan Beulich <[email protected]>
S: Supported
F: xen/arch/x86/efi/
F: xen/common/efi/
F: xen/include/efi/
F: xen/include/asm-x86/efi*.h
F: xen/include/asm-x86/x86_*/efi*.h
GDBSX DEBUGGER
M: Elena Ufimtseva <[email protected]>
S: Supported
F: xen/arch/x86/debug.c
F: tools/debugger/gdbsx/
GOLANG BINDINGS
M: George Dunlap <[email protected]>
S: Maintained
F: tools/golang
INTEL(R) TRUSTED EXECUTION TECHNOLOGY (TXT)
R: Lukasz Hawrylko <[email protected]>
S: Odd Fixes
F: xen/arch/x86/tboot.c
F: xen/include/asm-x86/tboot.h
INTEL(R) VT FOR DIRECTED I/O (VT-D)
M: Kevin Tian <[email protected]>
S: Supported
F: xen/drivers/passthrough/vtd/
INTEL(R) VT FOR X86 (VT-X)
M: Jun Nakajima <[email protected]>
M: Kevin Tian <[email protected]>
S: Supported
F: xen/arch/x86/hvm/vmx/
F: xen/arch/x86/mm/p2m-ept.c
F: xen/include/asm-x86/hvm/vmx/
F: xen/arch/x86/cpu/vpmu_intel.c
IOMMU VENDOR INDEPENDENT CODE
M: Jan Beulich <[email protected]>
S: Supported
F: xen/drivers/passthrough/
X: xen/drivers/passthrough/amd/
X: xen/drivers/passthrough/arm/
X: xen/drivers/passthrough/vtd/
X: xen/drivers/passthrough/device_tree.c
F: xen/include/xen/iommu.h
KCONFIG
M: Doug Goldstein <[email protected]>
S: Supported
F: docs/misc/kconfig{,-language}.txt
F: xen/tools/kconfig/
KDD DEBUGGER
M: Tim Deegan <[email protected]>
S: Odd Fixes
F: tools/debugger/kdd/
KEXEC
M: Andrew Cooper <[email protected]>
S: Supported
F: xen/common/{kexec,kimage}.c
F: xen/include/{kexec,kimage}.h
F: xen/arch/x86/machine_kexec.c
F: xen/arch/x86/x86_64/kexec_reloc.S
LIBXENLIGHT
M: Ian Jackson <[email protected]>
M: Wei Liu <[email protected]>
M: Anthony PERARD <[email protected]>
S: Supported
F: tools/libxl/
LIVEPATCH
M: Konrad Rzeszutek Wilk <[email protected]>
M: Ross Lagerwall <[email protected]>
S: Supported
F: docs/misc/livepatch.markdown
F: tools/misc/xen-livepatch.c
F: xen/arch/*/livepatch*
F: xen/arch/*/*/livepatch*
F: xen/common/livepatch*
F: xen/include/asm-*/livepatch.h
F: xen/include/xen/livepatch*
F: xen/test/livepatch/*
MINI-OS
M: Samuel Thibault <[email protected]>
S: Supported
T: git https://xenbits.xenproject.org/git-http/mini-os.git
F: config/MiniOS.mk
OCAML TOOLS
M: Christian Lindig <[email protected]>
M: David Scott <[email protected]>
S: Supported
F: tools/ocaml/
OVMF UPSTREAM
M: Anthony PERARD <[email protected]>
M: Wei Liu <[email protected]>
S: Supported
T: git https://xenbits.xenproject.org/git-http/ovmf.git
POWER MANAGEMENT
M: Jan Beulich <[email protected]>
S: Supported
F: xen/arch/x86/acpi/
X: xen/arch/x86/acpi/boot.c
X: xen/arch/x86/acpi/lib.c
F: xen/drivers/cpufreq/
F: xen/include/acpi/cpufreq/
PUBLIC I/O INTERFACES AND PV DRIVERS DESIGNS
M: Konrad Rzeszutek Wilk <[email protected]>
M: Juergen Gross <[email protected]>
S: Supported
F: xen/include/public/io/
PYTHON BINDINGS
M: Marek Marczykowski-Górecki <[email protected]>
S: Supported
F: tools/python
QEMU-DM
M: Ian Jackson <[email protected]>
S: Supported
T: git https://xenbits.xenproject.org/git-http/qemu-xen-traditional.git
QEMU UPSTREAM
M: Stefano Stabellini <[email protected]>
M: Anthony Perard <[email protected]>
S: Supported
T: git https://xenbits.xenproject.org/git-http/qemu-xen.git
REMUS
M: Shriram Rajagopalan <[email protected]>
M: Yang Hongyang <[email protected]>
S: Maintained
F: docs/README.remus
F: tools/libxl/libxl_remus_*
F: tools/libxl/libxl_netbuffer.c
F: tools/libxl/libxl_nonetbuffer.c
F: tools/hotplug/Linux/remus-netbuf-setup
F: tools/hotplug/Linux/block-drbd-probe
RTDS SCHEDULER
M: Dario Faggioli <[email protected]>
M: Meng Xu <[email protected]>
S: Supported
F: xen/common/sched_rt.c
SCHEDULING
M: George Dunlap <[email protected]>
M: Dario Faggioli <[email protected]>
S: Supported
F: xen/common/sched*
SEABIOS UPSTREAM
M: Wei Liu <[email protected]>
S: Supported
T: git https://xenbits.xenproject.org/git-http/seabios.git
STUB DOMAINS
M: Samuel Thibault <[email protected]>
S: Supported
F: config/Stubdom.mk.in
F: m4/stubdom.m4
F: stubdom/
TEE MEDIATORS
M: Volodymyr Babchuk <[email protected]>
S: Supported
F: xen/arch/arm/tee/
F: xen/include/asm-arm/tee
TOOLSTACK
M: Ian Jackson <[email protected]>
M: Wei Liu <[email protected]>
S: Supported
F: autogen.sh
F: config/*.in
F: install.sh
F: m4/
F: configure
F: docs/Makefile
F: docs/man/
F: stubdom/Makefile
F: *.ac
F: */configure
F: */*.ac
F: tools/
UNMODIFIED LINUX PV DRIVERS
M: Jan Beulich <[email protected]>
S: Obsolete
F: unmodified_drivers/linux-2.6/
VM EVENT, MEM ACCESS and MONITOR
M: Razvan Cojocaru <[email protected]>
M: Tamas K Lengyel <[email protected]>
R: Alexandru Isaila <[email protected]>
R: Petre Pircalabu <[email protected]>
S: Supported
F: tools/tests/xen-access
F: xen/arch/*/monitor.c
F: xen/arch/*/vm_event.c
F: xen/arch/arm/mem_access.c
F: xen/arch/x86/mm/mem_access.c
F: xen/arch/x86/hvm/monitor.c
F: xen/arch/x86/hvm/vm_event.c
F: xen/common/mem_access.c
F: xen/common/monitor.c
F: xen/common/vm_event.c
F: xen/include/*/mem_access.h
F: xen/include/*/monitor.h
F: xen/include/*/vm_event.h
F: xen/include/asm-x86/hvm/monitor.h
F: xen/include/asm-x86/hvm/vm_event.h
VTPM
M: Daniel De Graaf <[email protected]>
M: Quan Xu <[email protected]>
S: Supported
F: extras/mini-os/tpm*
F: extras/mini-os/include/tpm*
F: stubdom/vtpm/
F: stubdom/vtpmmgr/
F: docs/misc/vtpm-platforms.txt
X86 ARCHITECTURE
M: Jan Beulich <[email protected]>
M: Andrew Cooper <[email protected]>
R: Wei Liu <[email protected]>
R: Roger Pau Monné <[email protected]>
S: Supported
F: xen/arch/x86/
F: xen/include/asm-x86/
F: xen/include/public/arch-x86/
F: xen/include/xen/lib/x86
F: xen/lib/x86
F: tools/firmware/hvmloader/
F: tools/firmware/rombios/
F: tools/firmware/vgabios/
F: tools/fuzz/cpu-policy/
F: tools/fuzz/x86_instruction_emulator/
F: tools/tests/cpu-policy/
F: tools/tests/x86_emulator/
X86 I/O EMULATION
M: Paul Durrant <[email protected]>
S: Supported
F: xen/arch/x86/hvm/emulate.c
F: xen/arch/x86/hvm/intercept.c
F: xen/arch/x86/hvm/io.c
F: xen/arch/x86/hvm/ioreq.c
F: xen/include/asm-x86/hvm/emulate.h
F: xen/include/asm-x86/hvm/io.h
F: xen/include/asm-x86/hvm/ioreq.h
F: xen/include/public/hvm/ioreq.h
X86 MEMORY MANAGEMENT
M: George Dunlap <[email protected]>
S: Supported
F: xen/arch/x86/mm/
X86 MEMORY PAGING
S: Orphaned
F: xen/arch/x86/mm/mem_paging.c
X86 MEMORY SHARING
M: Tamas K Lengyel <[email protected]>
S: Odd Fixes
F: xen/arch/x86/mm/mem_sharing.c
F: tools/memshr
X86 SHADOW PAGETABLES
M: Tim Deegan <[email protected]>
S: Maintained
F: xen/arch/x86/mm/shadow/
X86 VIRIDIAN ENLIGHTENMENTS
M: Paul Durrant <[email protected]>
S: Supported
F: xen/arch/x86/hvm/viridian/
F: xen/include/asm-x86/hvm/viridian.h
XENTRACE
M: George Dunlap <[email protected]>
S: Supported
F: tools/xentrace/
F: xen/common/trace.c
F: xen/include/xen/trace.h
XSM/FLASK
M: Daniel De Graaf <[email protected]>
S: Supported
F: tools/flask/
F: xen/include/xsm/
F: xen/xsm/
F: docs/misc/xsm-flask.txt
THE REST
M: Andrew Cooper <[email protected]>
M: George Dunlap <[email protected]>
M: Ian Jackson <[email protected]>
M: Jan Beulich <[email protected]>
M: Julien Grall <[email protected]>
M: Konrad Rzeszutek Wilk <[email protected]>
M: Stefano Stabellini <[email protected]>
M: Tim Deegan <[email protected]>
M: Wei Liu <[email protected]>
S: Supported
F: *
F: */