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* tools: bump SONAMEs for changes during 4.2 development cycle.Ian Campbell2012-09-252-2/+2
| | | | | | | | | | | We mostly did this as we went along, only a couple of minor number bumps were missed http://marc.info/?l=xen-devel&m=134366054929255&w=2: - Bumped libxl from 1.0.0 -> 1.0.1 - Bumped libxenstore from 3.0.1 -> 3.0.2 Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xl: resume the domain on suspend failureBastian Blank2012-09-251-3/+6
| | | | | | | | | The MUST macro calls exit(3) on failure but we need to cleanup and resume. Signed-off-by: Bastian Blank <waldi@debian.org> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* pygrub: always append --argsOlaf Hering2012-09-251-2/+4
| | | | | | | | | | | | | | | | | If a bootloader entry in menu.lst has no additional kernel command line options listed and the domU.cfg has 'bootargs="--args=something"' the additional arguments from the config file are not passed to the kernel. The reason for that incorrect behaviour is that run_grub appends arg only if the parsed config file has arguments listed. Fix this by appending args from image section and the config file separatly. To avoid adding to a NoneType initialize grubcfg['args'] to an empty string. This does not change behaviour but simplifies the code which appends the string. Signed-off-by: Olaf Hering <olaf@aepfle.de> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xsm/flask: add domain relabel supportDaniel De Graaf2012-09-173-1/+9
| | | | | | | | | | | | | | | | This adds the ability to change a domain's XSM label after creation. The new label will be used for all future access checks; however, existing event channels and memory mappings will remain valid even if their creation would be denied by the new label. With appropriate security policy and hooks in the domain builder, this can be used to create domains that the domain builder does not have access to after building. It can also be used to allow a domain to drop privileges - for example, prior to launching a user-supplied kernel loaded by a pv-grub stubdom. Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> Committed-by: Keir Fraser <keir@xen.org>
* xsm/flask: remove unneeded create_sid fieldDaniel De Graaf2012-09-171-2/+0
| | | | | | | | | This field was only used to populate the ssid of dom0, which can be handled explicitly in the domain creation hook. This also removes the unnecessary permission check on the creation of dom0. Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> Committed-by: Keir Fraser <keir@xen.org>
* xsm/flask: remove inherited class attributesDaniel De Graaf2012-09-173-106/+2
| | | | | | | | | | | The ability to declare common permission blocks shared across multiple classes is not currently used in Xen. Currently, support for this feature is broken in the header generation scripts, and it is not expected that this feature will be used in the future, so remove the dead code. Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> Committed-by: Keir Fraser <keir@xen.org>
* tools: drop ia64 only foreign structs from headersIan Campbell2012-09-172-13/+0
| | | | | | | Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Jan Beulich <jbeulich@suse.com> Acked-by: Keir Fraser <keir@xen.org> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* Fix libxenstore memory leak when USE_PTHREAD is not definedAndres Lagar-Cavilla2012-09-171-4/+13
| | | | | | | | | | | Redefine usage of pthread_cleanup_push and _pop, to explicitly call free for heap objects in error paths. By the way, set a suitable errno value for an error path that had none. Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xl: Remove global domid and enable -WshadowIan Campbell2012-09-172-153/+140
| | | | | | | | | | | | | | | | | | | | | | Lots of functions loop over a list of domain and others take a domid as a parameter, shadowing the global one and leading to all sorts of confusion. Therefore remove the global domid and explicitly pass it around as necessary. Adds a domid to the parameters for many functions and switches many others from taking a char * domain specifier to taking a domid, pushing the domid lookup to the toplevel. Replaces some open-coded domain_qualifier_to_domid error checking with find_domain. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> [ ijc -- annotate find_domain() with warn_unused_result and fix the handful of errors. ] Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xl: prepare to enable WshadowIan Campbell2012-09-172-23/+21
| | | | | | | | | | | | Takes care of everything other than the global domid clashes. Avoid galobal functions - stime(2) - time(2) Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* libxl: Enable -Wshadow.Ian Campbell2012-09-1710-84/+95
| | | | | | | | | | | | | | | | | | | | | | It was convenient to invent $(CFLAGS_LIBXL) to do this. Various renamings to avoid shadowing standard functions: - index(3) - listen(2) - link(2) - abort(3) - abs(3) Reduced the scope of some variables to avoid conflicts. Change to libxc is due to the nested hypercall buf macros in set_xen_guest_handle (used in libxl) using the same local private vars. Build tested only. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xl: free libxl context, logger and lockfile using atexit handlerIan Campbell2012-09-171-2/+18
| | | | | | | | | xl frequently just calls exit(3), especially on error. Try to clean up some of our global state to make tools like valgrind more useful. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xenpm: make argument parsing and error handling more consistentJan Beulich2012-09-171-170/+149
| | | | | | | | | | | | | | | Specifically, what values are or aren't accepted as CPU identifier, and how the values get interpreted should be consistent across sub-commands (intended behavior now: non-negative values are okay, and along with omitting the argument, specifying "all" will also be accepted). For error handling, error messages should get consistently issued to stderr, and the tool should now (hopefully) produce an exit code of zero only in the (partial) success case (there may still be a small number of questionable cases). Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Keir Fraser <keir@xen.org>
* hvmloader: Do not zero the wallclock fields in shared-info.Keir Fraser2012-09-141-1/+5
| | | | | | | | | | | | | These fields need to be valid at all times. Hypervisor ensures this even across 32/64-bit guest transitions. This fixes a bug where wallclock time is incorrect for booting 32-bit HVM guests. This should be backported to Xen 4.1 and 4.2. Signed-off-by: Keir Fraser <keir@xen.org> Tested-and-Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* libxl: Tolerate xl config files missing trailing newlineIan Jackson2012-09-142-78/+88
| | | | | | 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>
* libxl: Fix missing dependency in api check ruleIan Jackson2012-09-141-4/+4
| | | | | | | | | | | | | | | | | Without this, the api check cpp run might happen before the various autogenerated files which are #include by libxl.h are ready. We need to remove the api-ok file from AUTOINCS to avoid a circular dependency. Instead, we list it explicitly as a dependency of the object files. The result is that the api check is the last thing to be done before make considers the preparation done and can start work on compiling .c files into .o's. Reported-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> Tested-by: Olaf Hering <olaf@aepfle.de> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xentop.c: Change curses painting behavior to avoid flickerJason McCarver2012-09-141-1/+5
| | | | | | | | | | | | | | | | | | | | | | Currently, xentop calls clear() before drawing the screen and calling refresh(). This causes the entire screen to be repainted from scratch on each call to refresh(). It is inefficient and causes visible flicker when using xentop. This patch fixes this by calling erase() instead of clear() which overwrites the current screen with blanks instead. The screen is then drawn as usual in the top() function and refresh() is called. This method allows curses to only repaint the characters that have changed since the last call to refresh(), thus avoiding the flicker and sending fewer characters to the terminal. In the event the screen becomes corrupted, this patch accepts a CTRL-L keystroke from the user which will call clear() and force a repaint of the entire screen. Signed-off-by: Jason McCarver <slam@parasite.cc> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xl: do not leak cpupool names.Ian Campbell2012-09-144-10/+25
| | | | | | | | | | | | | | | | | | | | Valgrind reports: ==3076== 7 bytes in 1 blocks are definitely lost in loss record 1 of 1 ==3076== at 0x402458C: malloc (vg_replace_malloc.c:270) ==3076== by 0x406F86D: libxl_cpupoolid_to_name (libxl_utils.c:102) ==3076== by 0x8058742: parse_config_data (xl_cmdimpl.c:639) ==3076== by 0x805BD56: create_domain (xl_cmdimpl.c:1838) ==3076== by 0x805DAED: main_create (xl_cmdimpl.c:3903) ==3076== by 0x804D39D: main (xl.c:285) And indeed there are several places where xl uses libxl_cpupoolid_to_name as a boolean to test if the pool name is valid and leaks the name if it is. Introduce an is_valid helper and use that instead. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Juergen Gross<juergen.gross@ts.fujitsu.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xl: error if vif backend!=0 is used with run_hotplug_scriptsRoger Pau Monne2012-09-141-0/+7
| | | | | | | | | | | | | Print an error and exit if backend!=0 is used in conjunction with run_hotplug_scripts. Currently libxl can only execute hotplug scripts from the toolstack domain (the same domain xl is running from). Added a description and workaround of this issue on xl-network-configuration. Signed-off-by: Roger Pau Monne <roger.pau@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* libxl: fix usage of backend parameter and run_hotplug_scriptsRoger Pau Monne2012-09-141-0/+14
| | | | | | | | | | | vif interfaces allows the user to specify the domain that should run the backend (also known as driver domain) using the 'backend' parameter. This is not compatible with run_hotplug_scripts=1, since libxl can only run the hotplug scripts from the Domain 0. Signed-off-by: Roger Pau Monne <roger.pau@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* libfsimage: add ext4 support for CentOS 5.xRoger Pau Monne2012-09-147-17/+112
| | | | | | | | | | | | | | | CentOS 5.x forked e2fs ext4 support into a different package called e4fs, and so headers and library names changed from ext2fs to ext4fs. Check if ext4fs/ext2fs.h and -lext4fs work, and use that instead of ext2fs to build libfsimage. This patch assumes that if the ext4fs library is present it should always be used instead of ext2fs. This patch includes a rework of the ext2fs check, a new ext4fs check and a minor modification in libfsimage to use the correct library. Signed-off-by: Roger Pau Monne <roger.pau@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* libxl: handle errors from xc_sharing_* info functionsIan Campbell2012-09-141-2/+19
| | | | | | | | | | | | | | | | On a 32 bit hypervisor xl info currently reports: sharing_freed_memory : 72057594037927935 sharing_used_memory : 72057594037927935 Eat the ENOSYS and turn it into 0. Log and propagate other errors. I don't have a 32 bit system handy, so tested on x86_64 with a libxc hacked to return -ENOSYS and -EINVAL. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Acked-by: Andres Lagar-Cavilla <andres@lagarcavilla.org> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* build: Require GCC 4.1 or later.Keir Fraser2012-09-131-5/+0
| | | | | | | Centralise the version check in Config.mk. Any more strict version requirements can be added to specific subdirs/arches. Signed-off-by: Keir Fraser <keir@xen.org>
* tools: drop ia64 supportIan Campbell2012-09-1246-24202/+22
| | | | | | | | | | | | | | | | | Removed support from libxc and mini-os. This also took me under xen/include/public via various symlinks. Dropped tools/debugger/xenitp entirely, it was described upon commit as: "Xenitp is a low-level debugger for ia64" and doesn't appear to be linked into the build anywhere. 99 files changed, 14 insertions(+), 32361 deletions(-) Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Keir Fraser <keir@xen.org> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* libxl: fix error message in device_backend_callbackRoger Pau Monne2012-09-101-1/+2
| | | | | | | | | | device_backend_callback error path always says "unable to disconnect", but this can also happen during the connection of a device. Fix the error message using the information in aodev->action. Signed-off-by: Roger Pau Monne <roger.pau@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* libxl: fix api check MakefileIan Jackson2012-09-031-3/+5
| | | | | | | | | | | | | | | | | 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>
* libxl/xl: implement support for guest ioport and irq permissions.Ian Campbell2012-09-033-1/+124
| | | | | | | | | | | | | | | | | | | | This is useful for passing legacy ISA devices (e.g. com ports, parallel ports) to guests. Supported syntax is as described in http://cmrg.fifthhorseman.net/wiki/xen#grantingaccesstoserialhardwaretoadomU I tested this using Xen's 'q' key handler which prints out the I/O port and IRQ ranges allowed for each domain. e.g.: (XEN) Rangesets belonging to domain 31: (XEN) I/O Ports { 2e8-2ef, 2f8-2ff } (XEN) Interrupts { 3, 5-6 } Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Tested-by: Dieter Bloms <dieter@bloms.de> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* libxl: fix double free on some config parser errorsIan Jackson2012-08-312-65/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | If libxlu_cfg_y.y encountered a config file error, the code generated by bison would sometimes _both_ run the %destructor _and_ call xlu__cfg_set_store for the same XLU_ConfigSetting* semantic value. The result would be a double free. This appears to be because of the use of a mid-rule action. There is some discussion of the problems with destructors and mid-rule action error handling in "(bison)Mid-Rule Actions". This area is complex and best avoided. So fix the bug by abolishing the use of a mid-rule action, which was in any case not necessary here. Also while we are there rename the nonterminal rule "setting" to "assignment", to avoid confusion with the token type "setting", which had an identically name in a different namespace. This was especially confusing because the nonterminal "setting" did not have "setting" as the type of its semantic value! (In fact the nonterminal, now called "assignment", does not have a value so it does not have a value type.) 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>
* tools: remove --disable-pythontools optionIan Campbell2012-08-313-113/+80
| | | | | | | | | | | This incorrectly removes the $(PYTHON) variable which is used at build time as well as by the tools. Remove and revisit for 4.3. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xencommons: Attempt to load blktap2 driverIan Campbell2012-08-311-0/+1
| | | | | | | | | | | | | | | | | | | | | Older kernels, such as those found in Debian Squeeze: * Have bugs in handling of AIO into foreign pages * Have blktap modules, which will cause qemu not to use AIO, but which are not loaded on boot. Attempt to load blktap in xencommons, to make sure modern qemu's which use AIO will work properly on those kernels. Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Prefer to load blktap2 if it exists. This is the name of the driver in classic-Xen ports, while in mainline kernels the driver is called just blktap. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Jan Beulich <JBeulich@suse.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* tools: remove vestigial default_lib.m4 macros and adjust substitutionsMatt Wilson2012-08-313-46/+0
| | | | | | | | | | | | | | | | | | | LIB_PATH is no longer used, so the AX_DEFAULT_LIB macro is no longer needed. Additionally lower case make variables are now used as autoconf substitutions, which allows for more correct overrides at build time. I've checked the file layout in dist/install from the build made before this change versus after with ./configure values of: 1) ./configure (no flags provided) 2) ./configure --libdir=/usr/lib/x86_64-linux-gnu (Debian style) 3) ./configure --libdir='${exec_prefix}/lib' (late variable expansion) Signed-off-by: Matt Wilson <msw@amazon.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> [ ijc - reran autogen.sh ] Committed-by: Ian Campbell <ian.campbell@citrix.com>
* uninstall: push tools uninstall down into tools/MakefileIan Campbell2012-08-311-0/+32
| | | | | | | | | | Many of the rules here depend on having run configure and the variables which it defines in config/Tools.mk Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Looks-good: Jan Beulich <JBeulich@suse.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* hotplug/NetBSD: check type of file to attach from paramsRoger Pau Monne2012-08-311-1/+10
| | | | | | | | | | | | xend used to set the xenbus backend entry "type" to either "phy" or "file", but now libxl sets it to "phy" for both file and block device. We have to manually check for the type of the "param" field in order to detect if we are trying to attach a file or a block device. Signed-off-by: Christoph Egger <Christoph.Egger@amd.com> Signed-off-by: Roger Pau Monne <roger.pau@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* hotplug/NetBSD: write error message to hotplug-errorRoger Pau Monne2012-08-311-1/+2
| | | | | | | | | As recommended by Ian Campbell, write the hotplug error to hotplug-error, just as the Linux hotplug script does. Signed-off-by: Roger Pau Monne <roger.pau@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* hotplug/NetBSD: fix xenstore_write usage in errorRoger Pau Monne2012-08-311-1/+1
| | | | | | | | | | xenstore_write doesn't exist, use xenstore-write instead. The error function is currently broken without this change. Signed-off-by: Roger Pau Monne <roger.pau@citrix.com> Signed-off-by: Christoph Egger <Christoph.Egger@amd.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xenconsoled: clean-up after all dead domainsDavid Vrabel2012-08-311-1/+11
| | | | | | | | | | | | | | | | | | | | | | | xenconsoled expected domains that are being shutdown to end up in the the DYING state and would only clean-up such domains. HVM domains either didn't enter the DYING state or weren't in long enough for xenconsoled to notice. For every shutdown HVM domain, xenconsoled would leak memory, grow its list of domains and (if guest console logging was enabled) leak the log file descriptor. If the file descriptors were leaked and enough HVM domains were shutdown, no more console connections would work as the evtchn device could not be opened. Guests would then block waiting to send console output. Fix this by tagging domains that exist in enum_domains(). Afterwards, all untagged domains are assumed to be dead and are shutdown and cleaned up. Signed-off-by: David Vrabel <david.vrabel@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* tools/xl: Fix uninitialized variable error.Andrew Cooper2012-08-281-4/+4
| | | | | | | | | | | | | | | | | | c/s 25779:4ca40e0559c3 introduced a compilation error for any build system using -Werror=uninitialized, such as the default CentOS 5.7 version of gcc. And with good reason, because if the global libxl default_output_format is neither OUTPUT_FORMAT_SXP nor OUTPUT_FORMAT_JSON, the variable hand will be used before being initialised. The attached patch fixes the warning, and futher fixes the logic to work correctly when a new OUTPUT_FORMAT is added to xl. Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* libxl: Rerun bisonIan Jackson2012-08-242-192/+241
| | | | | | | | | | | | | This updates libxlu_cfg_y.[ch] to code generated by bison from Debian squeeze (1:2.4.1.dfsg-3 i386). There should be no functional change since there is no change to the source file, but we will inherit bugfixes and behavioural changes from the new version of bison. So this is more a matter of hope than knowledge. Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* libxl: Rerun flexIan Jackson2012-08-242-56/+40
| | | | | | | | | | This undoes some systematic changes which were made to libxlu_cfg_l.[ch] along with manually-edited files (eg, whitespace changes, emacs local variables) and returns these two files to exactly the output of flex (Debian squeeze 2.5.35-10 i386). Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* libxl: provide "make realclean" targetIan Jackson2012-08-241-1/+3
| | | | | | | | This removes all the autogenerated files. 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>
* xl: make "xl list -l" proper JSONIan Campbell2012-08-231-16/+71
| | | | | | | | | | | | | | | Bastian Blank reports that the output of this command is just multiple JSON objects concatenated and is not a single properly formed JSON object. Fix this by wrapping in an array. This turned out to be a bit more intrusive than I was expecting due to the requirement to keep supporting the SXP output mode. Python's json module is happy to parse the result... Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
* libxl: make domain resume API asynchronousIan Campbell2012-08-235-20/+27
| | | | | | | | | | | | | | | | | | Although the current implementation has no asynchromous parts I can envisage it needing to do bits of create/destroy like functionality which may need async support in the future. To do this make the meat into an internal libxl__domain_resume function in order to satisfy the no-internal-callers rule for the async function. Since I needed to touch the logging to s/ctx/CTX/ anyway switch to the LOG* helper macros. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Roger Pau Monne <roger.pau@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* hvm: Remove VM genearation ID device and incr_generationid from build_info.Paul Durrant2012-08-225-41/+1
| | | | | | | | | | | | | | | | Microsoft have now published their VM generation ID specification at https://www.microsoft.com/en-us/download/details.aspx?id=30707. It differs from the original specification upon which I based my implementation in several key areas. Particularly, it is no longer an incrementing 64-bit counter and so this patch is to remove the incr_generationid field from the build_info and also disable the ACPI device before 4.2 is released. I will follow up with further patches to implement the VM generation ID to the new specification. Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Committed-by: Keir Fraser <keir@xen.org>
* libxc: Support save/restore of up to 4096 VCPUs (increase from 64 VCPUs).Keir Fraser2012-08-223-20/+24
| | | | Signed-off-by: Keir Fraser <keir@xen.org>
* flask/policy: add accesses used by newer dom0sDaniel De Graaf2012-08-222-3/+3
| | | | | Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov> Committed-by: Keir Fraser <keir@xen.org>
* tools/python: Clean python correctlyAndrew Cooper2012-08-173-20/+18
| | | | | | | | | | Cleaning the python directory should completely remove the build/ directory, otherwise subsequent builds may be short-circuited and a stale build installed. Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* libxc/Linux: Add VM_DONTCOPY flag of the VMA of the hypercall bufferWangzhenguo2012-08-172-13/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This avoids the hypercall buffer becoming CoW on fork. In multi-threads and multi-processes environment, e.g. the process has two threads, thread A may call hypercall, thread B may call fork() to create child process. After forking, all pages of the process including hypercall buffers are cow. It will cause a write protection and return EFAULT error if hypervisor calls copy_to_user in hypercall in thread A context, Fix: 1. Before hypercall: use MADV_DONTFORK of madvise syscall to make the hypercall buffer not to be copied to child process after fork. 2. After hypercall: undo the effect of MADV_DONTFORK for the hypercall buffer by using MADV_DOFORK of madvise syscall. 3. Use mmap/nunmap for memory alloc/free instead of malloc/free to bypass libc. Note: Child processes must not use the opened xc_{interface,evtchn,gnttab,gntshr} handle that inherits from parents. They should reopen the handle if they want to interact with xc. Otherwise, it may cause segment fault to access hypercall buffer caches of the handle. Signed-off-by: Zhenguo Wang <wangzhenguo@huawei.com> Signed-off-by: Xiaowei Yang <xiaowei.yang@huawei.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> [ ijc -- s/ptr/p/ to fix build & tweaked the wording of the comments slightly. ] Committed-by: Ian Campbell <ian.campbell@citrix.com>
* xend: Replace the use of XMLPrettyPrint from PyXML with stdlib functionality.M A Young2012-08-171-2/+1
| | | | | | | | | | | | This appears to have been missed by changeset 22235:b8cc53d22545 "Replace pyxml/xmlproc-based XML validator with lxml based one" This was reported by Toshio Ernie Kuratomi at https://bugzilla.redhat.com/show_bug.cgi?id=842843 Signed-off-by: Michael Young <m.a.young@durham.ac.uk> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* x86/PoD: prevent guest from being destroyed upon early access to its memoryJan Beulich2012-08-161-14/+21
| | | | | | | | | | | | | | | | | | | | When an external agent (e.g. a monitoring daemon) happens to access the memory of a PoD guest prior to setting the PoD target, that access must fail for there not being any page in the PoD cache, and only the space above the low 2Mb gets scanned for victim pages (while only the low 2Mb got real pages populated so far). To accomodate for this - set the PoD target first - do all physmap population in PoD mode (i.e. not just large [2Mb or 1Gb] pages) - slightly lift the restrictions enforced by p2m_pod_set_mem_target() to accomodate for the changed tools behavior Tested-by: Jürgen Groß <juergen.gross@ts.fujitsu.com> (in a 4.0.x based incarnation) Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: George Dunlap <george.dunlap@eu.citrix.com>
* etherboot: Build fixes for gcc 4.7.Keir Fraser2012-08-154-0/+92
| | | | Signed-off-by: Keir Fraser <keir@xen.org>
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