| Commit message (Collapse) | Author | Age | Files | Lines |
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Add the code base for vtpm-stubdom to the stubdom
heirarchy. Makefile changes in later patch.
Signed-off-by: Matthew Fioravante <matthew.fioravante@jhuapl.edu>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Rather than keeping around headers that are autogenerated in order to
avoid adding build dependencies from xen/ to files in tools/, move the
relevant parts of the FLASK policy into the hypervisor tree and
generate the headers as part of the hypervisor's build.
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Committed-by: Keir Fraser <keir@xen.org>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Keir Fraser <keir@xen.org>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
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We provide two new diagrams
docs/figs/network-{bridge,basic}.fig
which are converted to pngs by the Makefiles and intended for
consumption by http://wiki.xen.org/wiki/Xen_Networking.
This is perhaps not the ideal location for this source code but we
don't have a better one.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Keir Fraser <keir@xen.org>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Touch the libxl.api-ok stamp file, and unconditionally put in place
the new _libxl.api-for-check. This avoids needlessly rerunning the
preprocessor on libxl.h each time we call "make".
Ensure that _libxl.api-for-check gets the CFLAGS used for xl, so that
if it is asked for in a standalone make run it can find xentoollog.h.
Remove *.api-ok on clean.
Also fix .gitignore.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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libxl_internal.h says:
* Functions using LIBXL__INIT_EGC may *not* generally be called from
* within libxl, because libxl__egc_cleanup may call back into the
* application. ...
and
* ... [Functions which take an ao_how] MAY NOT
* be called from inside libxl, because they can cause reentrancy
* callbacks.
However, this was not enforced. Particularly the latter restriction
is easy to overlook, especially since during the transition period to
the new event system we have bent this rule a couple of times, and the
bad pattern simply involves passing 0 or NULL for the ao_how.
So use the compiler to enforce this property, as follows:
- Mark all functions which take a libxl_asyncop_how, or which
use EGC_INIT or LIBXL__INIT_EGC, with a new annotation
LIBXL_EXTERNAL_CALLERS_ONLY in the public header.
- Change the documentation comment for asynch operations and egcs to
say that this should always be done.
- Arrange that if libxl.h is included via libxl_internal.h,
LIBXL_EXTERNAL_CALLERS_ONLY expands to __attribute__((warning(...))),
which generates a message like this:
libxl.c:1772: warning: call to 'libxl_device_disk_remove'
declared with attribute warning:
may not be called from within libxl
Otherwise, the annotation expands to nothing, so external
callers are unaffected.
- Forbid inclusion of both libxl.h and libxl_internal.h unless
libxl_internal.h came first, so that the above check doesn't have
any loopholes. Files which include libxl_internal.h should not
include libxl.h as well.
This is enforced explicitly using #error. However, in practice
with the current tree it just changes the error message when this
mistake is made; otherwise we would carry on to immediately
following #define which would cause the compiler to complain that
LIBXL_EXTERNAL_CALLERS_ONLY was redefined. Then the developer
might be tempted to add a #ifndef which would be wrong - it would
leave the affected translation unit unprotected by the new
enforcement regime. So let's be explicit.
- Fix the one source of files which violate the above principle, the
output from the idl compiler, by removing the redundant inclusion
of libxl.h from the output.
Also introduce a new script "check-libxl-api-rules" which contains
some ad-hoc regexps to spot and complain when libxl.h contains
functions which mention libxl_asyncop_how but not
LIBXL_EXTERNAL_CALLERS_ONLY. This isn't a full C parser but is likely
to get the common cases right and err on the side of complaining.
While we are here, the invocation of perl for the bsd queue.h seddery
to $(PERL).
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Roger Pau Monne <roger.pau@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Newer ocaml toolchains generate .spot and .spit files which are ocaml metadata
about their respective source files.
Add them to the clean rules as well as the .{hg,git}ignore files.
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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libxenctrl expects to be able to simply run the save or restore
operation synchronously. This won't work well in a process which is
trying to handle multiple domains.
The options are:
- Block such a whole process (eg, the whole of libvirt) while
migration completes (or until it fails).
- Create a thread to run xc_domain_save and xc_domain_restore on.
This is quite unpalatable. Multithreaded programming is error
prone enough without generating threads in libraries, particularly
if the thread does some very complex operation.
- Fork and run the operation in the child without execing. This is
no good because we would need to negotiate with the caller about
fds we would inherit (and we might be a very large process).
- Fork and exec a helper.
Of these options the latter is the most palatable.
Consequently:
* A new helper program libxl-save-helper (which does both save and
restore). It will be installed in /usr/lib/xen/bin. It does not
link against libxl, only libxc, and its error handling does not
need to be very advanced. It does contain a plumbing through of
the logging interface into the callback stream.
* A small ad-hoc protocol between the helper and libxl which allows
log messages and the libxc callbacks to be passed up and down.
Protocol doc comment is in libxl_save_helper.c.
* To avoid a lot of tedium the marshalling boilerplate (stubs for the
helper and the callback decoder for libxl) is generated with a
small perl script.
* Implement new functionality to spawn the helper, monitor its
output, provide responses, and check on its exit status.
* The functions libxl__xc_domain_restore_done and
libxl__xc_domain_save_done now turn out to want be called in the
same place. So make their state argument a void* so that the two
functions are type compatible.
The domain save path still writes the qemu savefile synchronously.
This will need to be fixed in a subsequent patch.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
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25479:61dfb3da56b0 added a .PRECIOUS which causes these files to be
left over more often. They should have been ignored already, though.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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This test script runs "xl -N network-attach 0 <foobar>" against various
rate syntax and checks that the output is as expected.
[ Added entries to .hgignore and .gitignore for tools/libxl/tmp.* -iwj ]
Signed-off-by: Mathieu Gagne <mgagne@iweb.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
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Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Consider tmem before firing the virq.
Add .gitignore rune.
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Committed-by: Keir Fraser <keir@xen.org>
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Signed-off-by: Keir Fraser <keir@xen.org>
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Since the introduction of autoconf, builds with XSM enabled in .config
have been broken unless FLASK_ENABLE was explicitly set. Since the
setting in .config has apparently been deprecated in favor of an
autoconf --enable-xsm, add config/Xen.mk to export this to Xen. This
also makes --disable-debug and some paths to be pulled from the
configure process in the hypervisor build.
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Committed-by: Keir Fraser <keir@xen.org>
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Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
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These files were already listed in .hgignore.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Signed-off-by: Keir Fraser <keir@xen.org>
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- extras/mini-os/include/list.h (already in .hgignore)
- tools/flask/flask-{get,set}-bool
- tools/flask/loadpolicy no longer exists
- tools/xenstore/init-xenstore-domain
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Committed-by: Keir Fraser <keir@xen.org>
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This is demo code meant to showcase how to perform sharing
operations. It is useful for testing.
[ Added appropriate lines to .hgignore and .gitignore -iwj ]
Signed-off-by: Adin Scannell <adin@scannell.ca>
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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* Add new seabios clone directories to .gitignore.
* Add new qemu clone directories to .gitignore.
* Remove old tools/ioemu (long-obsolete) from .gitignore and .hgignore.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
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Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
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Introduce a .gitignore file for the convenience of people who use git.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Keir Fraser <keir@xen.org>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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