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* libxc: add LZ4 decompression supportJan Beulich2013-10-071-0/+1
| | | | | | | | | | | Since there's no shared or static library to link against, this simply re-uses the hypervisor side code. However, I only audited the code added here for possible security issues, not the referenced code in the hypervisor tree. Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Keir Fraser <keir@xen.org> Acked-by: Ian Campbell <ian.campbell@citrix.com>
* libelf: use only unsigned integersIan Jackson2013-06-141-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed integers have undesirable undefined behaviours on overflow. Malicious compilers can turn apparently-correct code into code with security vulnerabilities etc. So use only unsigned integers. Exceptions are booleans (which we have already changed) and error codes. We _do_ change all the chars which aren't fixed constants from our own text segment, but not the char*s. This is because it is safe to access an arbitrary byte through a char*, but not necessarily safe to convert an arbitrary value to a char. As a consequence we need to compile libelf with -Wno-pointer-sign. It is OK to change all the signed integers to unsigned because all the inequalities in libelf are in contexts where we don't "expect" negative numbers. In libelf-dominfo.c:elf_xen_parse we rename a variable "rc" to "more_notes" as it actually contains a note count derived from the input image. The "error" return value from elf_xen_parse_notes is changed from -1 to ~0U. grepping shows only one occurrence of "PRId" or "%d" or "%ld" in libelf and xc_dom_elfloader.c (a "%d" which becomes "%u"). This is part of the fix to a security issue, XSA-55. For those concerned about unintentional functional changes, the following rune produces a version of the patch which is much smaller and eliminates only non-functional changes: GIT_EXTERNAL_DIFF=.../unsigned-differ git-diff <before>..<after> where <before> and <after> are git refs for the code before and after this patch, and unsigned-differ is this shell script: #!/bin/bash set -e seddery () { perl -pe 's/\b(?:elf_errorstatus|elf_negerrnoval)\b/int/g' } path="$1" in="$2" out="$5" set +e diff -pu --label "$path~" <(seddery <"$in") --label "$path" <(seddery <"$out") rc=$? set -e if [ $rc = 1 ]; then rc=0; fi exit $rc Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> Reviewed-by: George Dunlap <george.dunlap@eu.citrix.com> Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> v8: Use "?!?!" to express consternation instead of a ruder phrase. v5: Introduce ELF_NOTE_INVALID, instead of using a literal ~0U. v4: Fix regression in elf_round_up; use uint64_t here. v3: Changes to booleans split off into separate patch. v2: BUGFIX: Eliminate conversion to int of return from elf_xen_parse_notes. BUGFIX: Fix the one printf format thing which needs changing. Remove irrelevant change to constify note_desc.name in libelf-dominfo.c. In xc_dom_load_elf_symtab change one sizeof(int) to sizeof(unsigned). Do not change type of 2nd argument to memset. Provide seddery for easier review. Style fix.
* libelf: abolish libelf-relocate.cIan Jackson2013-06-141-1/+1
| | | | | | | | | | | | | | | | | This file is not actually used. It's not built in Xen's instance of libelf; in libxc's it's built but nothing in it is called. Do not compile it in libxc, and delete it. This reduces the amount of work we need to do in forthcoming patches to libelf (particularly since as libelf-relocate.c is not used it is probably full of bugs). This is part of the fix to a security issue, XSA-55. Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> Reviewed-by: Chuck Anderson <chuck.anderson@oracle.com>
* tools: Bump some library sonamesIan Jackson2013-05-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | libxc (libxenctrl, libxenguest): New claim_enabled field in struct xc_dom_image; New nr_outstanding_pages field in struct xc_dominfo; New fields in struct xc_hvm_build_args (xenguest.h). libxl: new fields in dominfo domain_build_info device_vfb device_vkb device_disk etc. etc. etc. libxlu #includes libxl headers so needs to inherit its new soname Use Xen version for new sonames since we don't in fact guarantee ABI (as opposed to API) stability across releases. xenstore (libxenstore): New flag XS_UNWATCH_FILTER, so bump minor version only. This was the result of reviewing the output from: git-checkout staging cd tools git-diff RELEASE-4.2.2 `find -name \*.h` Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
* libxc: Add unsafe decompressorsBastian Blank2013-04-221-0/+8
| | | | | | | | | | | | | | | | | | | | Add decompressors based on hypervisor code. This are used in mini-os by pv-grub. This enables pv-grub to boot kernels compressed with e.g. xz, which are becoming more common. Signed-off-by: Bastian Blank <waldi@debian.org> Adjusted to use terminology "unsafe" rather than "trusted" to indicate that the user had better sanitise the data (or not care, as in stub domains) as suggested by Tim Deegan. This was effectively a sed script. Minimise the changes to hypervisor code by moving the "compat layer" into the relevant libxc source files (which include the Xen ones). Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
* libxc: add ARM support to xc_dom (PV domain building)Ian Campbell2012-10-091-0/+1
| | | | | | | | Includes ARM zImage support. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
* tools: drop ia64 supportIan Campbell2012-09-121-2/+0
| | | | | | | | | | | | | | | | | 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>
* arm: compile libxenguestStefano Stabellini2012-05-301-3/+9
| | | | | | | | | | | | | | Introduce an empty implementation of the arch specific ARM functions in xc_dom_arm.c. Provide empty implementations of xc_domain_save and xc_domain_restore when CONFIG_MIGRATE is not set. Move xc_hvm_build.c to xc_hvm_build_x86.c because the implementation is x86 specific, introduce xc_hvm_build_arm.c with empty stubs. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-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: Correct PTHREAD options in config/StdGNU.mkIan Jackson2012-04-111-1/+3
| | | | | | | | | | | | | | | | | | | | | | It is not correct to say -lpthread. The correct option is -pthread, which may have sundry other effects on code generation etc. It needs to be passed both to compilation and linking. Fix the configure test to test -pthread, and plumb the resulting flag through to PTHREAD_{CFLAGS,LDFLAGS} in Tools.mk; also substitute PTHREAD_LIBS (although this will currently always be empty). Remove PTHREAD_LIBS setting from StdGNU.mk. Fix the one user (libxc) to use PTHREAD_{CFLAGS,LDFLAGS} too. There are still some other users in tree which pass -pthread or -lpthread by adding it as a literal to their own compiler options. These will be fixed in a later patch. Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com> Cc: Roger Pau Monne <roger.pau@entel.upc.edu> Acked-by: Roger Pau Monne <roger.pau@entel.upc.edu> Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
* autoconf: add missing compression checks for libxcRoger Pau Monne2012-03-141-14/+1
| | | | | | | | | Move missing checks from tools/libxc/Makefile to configure script. Signed-off-by: Roger Pau Monne <roger.pau@entel.upc.edu> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Acked-by: Jan Beulich <JBeulich@suse.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* arm: compile libxcStefano Stabellini2012-03-011-0/+1
| | | | | | | | | | Introduce an empty implementation of the arch specific ARM functions in xc_core_arm.c and xc_core_arm.h; define barriers on ARM. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson.citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools/libxc: Remus Checkpoint CompressionShriram Rajagopalan2011-12-011-1/+1
| | | | | | | | | | | | | | | | | Instead of sending dirty pages of guest memory as-is, use a simple compression algorithm that sends a RLE-encoded XOR of the page against its last sent copy. A small LRU cache is used to hold recently dirtied pages. Pagetable pages are sent as-is, as they are canonicalized at sender side and uncanonicalized at receiver. [ Fixed up a conflict in sg_save_restore.h. I had to increase the ID values used from -11 and -12 to -12 and -13 because -11 had been taken by ..._HVM_VIRIDIAN in the meantime. -iwj ] Signed-off-by: Shriram Rajagopalan <rshriram@cs.ubc.ca> Acked-by: Brendan Cully <brendan@cs.ubc.ca> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools/build: Introduce {PREPEND,APPEND}_{LIB,INCLUDES}Roger Pau Monne2011-11-141-3/+3
| | | | | | | | | | | | | | | | | | | | | | | Create two new variables called APPEND_ and PREPEND_ to add compile flags at the beginning or at the end of the search path. Added a new semantic for user defined compile flags, here is the list of possible options: PREPEND_LIB: add libraries to the search path before xen (before xen installation folders). PREPEND_INCLUDES: add headers to the search path before xen (before xen installation folders). APPEND_LIB: add libraries to the search path at the end (after all xen installation folders have been added). APPEND_INCLUDES: add libraries to the search path at the end (after all xen installation folders have been added). EXTRA_INCLUDES and EXTRA_LIB can still be used, and they will have the same effect as PREPEND_INCLUDES and PREPEND_LIB. Signed-off-by: Roger Pau Monne <roger.pau@entel.upc.edu> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* mem_event: use different ringbuffers for share, paging and accessOlaf Hering2011-09-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | Up to now a single ring buffer was used for mem_share, xenpaging and xen-access. Each helper would have to cooperate and pull only its own requests from the ring. Unfortunately this was not implemented. And even if it was, it would make the whole concept fragile because a crash or early exit of one helper would stall the others. What happend up to now is that active xenpaging + memory_sharing would push memsharing requests in the buffer. xenpaging is not prepared for such requests. This patch creates an independet ring buffer for mem_share, xenpaging and xen-access and adds also new functions to enable xenpaging and xen-access. The xc_mem_event_enable/xc_mem_event_disable functions will be removed. The various XEN_DOMCTL_MEM_EVENT_* macros were cleaned up. Due to the removal the API changed, so the SONAME will be changed too. Signed-off-by: Olaf Hering <olaf@aepfle.de> Acked-by: Tim Deegan <tim@xen.org> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Tim Deegan <tim@xen.org>
* tools: Remove $(CFLAGS) from links lines.Ian Campbell2011-03-311-3/+3
| | | | | | | | The relevant variable in these circumstances is called $(LDFLAGS). Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* Remove unmaintained Access Control Module (ACM) from hypervisor.Keir Fraser2011-03-251-1/+0
| | | | Signed-off-by: Keir Fraser <keir@xen.org>
* tools: consistently use $({CFLAGS,LDLIBS}_libxenctrl) instead of open coding.Ian Campbell2011-03-211-2/+2
| | | | | | Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools: consistently use $(CFLAGS_xeninclude) instead of open coding.Ian Campbell2011-03-211-1/+1
| | | | | | | | Renamed from the slightly ambiguous CFLAGS_include. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools: remove unnecessary uses of -L.Ian Campbell2011-03-211-4/+2
| | | | | | | | | It's not needed unless you are linking against a library in the current directory. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools: Drop use of $(INCLUDES)Ian Campbell2011-03-211-1/+1
| | | | | | | | | | Several places include it in CFLAGS even though it is never defined. A few others use it as nothing more than a gathering point for CFLAGS. Get rid of it. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* libxc: remove dependency on xenstore headers.Ian Campbell2011-03-211-1/+1
| | | | | | | | xc_offline_page doesn't really need xs.h. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* tools: support building with --as-neededIan Campbell2011-03-171-1/+1
| | | | | | | | | Tested by forcing --as-needed via tools/Rules.mk but this is included since the intention is simply to support diustros which default to --as-needed, not to enable it everywhere. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* build: Make XEN_ROOT an absolute path.Keir Fraser2011-03-171-1/+1
| | | | | | | | Otherwise make can search the path relative to certain standard paths such as /usr/include (e.g., the line '-include $(XEN_ROOT)/.config' in Config.mk suffers from this). Signed-off-by: Keir Fraser <keir@xen.org>
* mem_access: HVMOPs for setting mem accessJoe Epstein2011-01-071-0/+1
| | | | | | | | | | | | | | * Creates HVMOPs for setting and getting memory access. The hypercalls can set individual pages or the default access for new/refreshed pages. * Added functions to libxc to access these hypercalls. Signed-off-by: Joe Epstein <jepstein98@gmail.com> Reviewed-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Acked-by: Keir Fraser <keir@xen.org> Acked-by: Tim Deegan <Tim.Deegan@citrix.com>
* libxc: portability fixes for NetBSDChristoph Egger2011-01-061-1/+1
| | | | | | | | | | | | | | | | | Attached patch makes libxc build again on NetBSD after the recent rework. [ Modified by iwj: I changed the name of the new make variable from LIBDL to DLOPEN_LIBS. The latter conforms to the naming scheme for similar variables found in config/*.mk - PTHREAD_LIBS et al. Also I moved the setting of the variable to -dl from Linux to StdGNU (which makes it apply more widely) and also added it to SunOS.mk (based on pure guesswork). ] Signed-off-by: Christoph Egger <Christoph.Egger@amd.com> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
* libxc: Use .opic to build xenctrl_osdep_ENOSYS.soKeir Fraser2010-12-241-3/+9
| | | | | | | | | | | | | Resolves build error: /usr/bin/ld: xenctrl_osdep_ENOSYS.o: relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC xenctrl_osdep_ENOSYS.o: could not read symbols: Bad value collect2: ld returned 1 exit status Clean up object files correctly too. Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
* libxc: refactor Linux OS interface into a separate file.Ian Campbell2010-12-031-1/+1
| | | | | | | | | | | This helps ensure that the osdep abstraction is complete by allowing us to avoid including xc_private.h. All the other OS backends could benefit from the same treatment but since I cannot compile test I did not do this. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
* libxc: add abitility to dynamically load osdep.Ian Campbell2010-12-031-1/+8
| | | | | | | | Add a dummy backend which always returns ENOSYS. Mainly as a compile time testbed rather than because it is a useful backend. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
* libxc: osdep: convert xc_map_foreign_{batch,bulk}Ian Campbell2010-12-031-0/+1
| | | | | Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
* libxc: osdep: add framework for abstracting access to dom0 OS hypervisor ↵Ian Campbell2010-12-031-1/+1
| | | | | | | | | | interfaces. This patch introduces the basic infrastructure and uses it for open and close operations on privcmd, evtchn and gnttab devices. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
* libxc: some xc_gnttab_* functions are not Linux specificIan Campbell2010-12-231-0/+1
| | | | | | | | | They simply make hypercalls and perform other operations via the abstract interface. Create xc_gnttab.c and move those functions there. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Christoph Egger <Christoph.Egger@amd.com> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
* ARINC 653 schedulerKeir Fraser2010-12-011-0/+1
| | | | | | From: Josh Holtrop <Josh.Holtrop@dornerworks.com> Signed-off-by: Keir Fraser <keir@xen.org> Acked-by: George Dunlap <george.dunlap@eu.citrix.com>
* libxc: infrastructure for hypercall safe data buffers.Ian Campbell2010-10-261-0/+1
| | | | | | | | (Modified version of this patch, with updated #includes in xc_hcall_buf.c to fix stubdomain build.) Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
* libxc: remove xc_ptraceIan Campbell2010-08-241-1/+0
| | | | | | | | | | | | | | It has been unused since 21732:eb34666befcc. There was no response to my RFC regarding its removal http://marc.info/?l=xen-devel&m=128170404422822 and unfortunately we have not been able to trace down all copyright holders of this code for the purposes of relicensing libxc. The code will be available in mercurial if we need to retrieve it in the future. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
* libxc: disable xc_ptrace on x86 LinuxIan Campbell2010-08-131-1/+1
| | | | | | | | | | | It has been unused since 21732:eb34666befcc. Removing the include of sys/ptrace.h and threaddb.h exposed a few places which were using time(2) or gettimeofday(2) without including time.h or sys/time.h respectively and were relying on an include. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
* split LDLIBS from LDFLAGS to fix link errors in recent toolchainsStefano Stabellini2010-08-111-2/+2
| | | | | | | | | | | | | | | | Linker command lines are order-sensitive. Move linker options -Lfoo -lfoo from LDFLAGS to LDLIBS and place this new variable after the objects to link. This resolves build errors in xenpagin and blktap with recent toolchains. rename SHLIB_CFLAGS to SHLIB_LDFLAGS rename LDFLAGS_* to LDLIBS_* move LDFLAGS usage after CFLAGS in CC calls remove stale comments in xenpaging Makefile Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
* libxenguest: correct order of zlib linker options to avoid link errorsOlaf Hering2010-07-261-2/+2
| | | | | | | | | | | | The order of objects and linked libraries is important with recent toolchain when --as-needed is used. Introduce new variable COMPRESSION_LIBS and place it at the end of cc commandline options. Without this change, symbols in libbzip2 are not found when building with openSuSE 11.2 and newer. Signed-off-by: Olaf Hering <olaf@aepfle.de> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
* Allow LZO compressed bzImage to be used as DomU kernelKeir Fraser2010-06-151-0/+4
| | | | | | | ... since recently Linux added this as another kernel compression method. Signed-off-by: Jan Beulich <jbeulich@novell.com>
* xtl: New xentoollog mini-library.Keir Fraser2010-05-281-2/+3
| | | | | | | | | | | | | We provide a new header file "xentoollog.h" which defines an interface that libraries and applications can use for logging. This avoids having to wrap each library's log callbacks up, massage arguments to log callbacks, and so on. The library's .o files are within libxc to avoid having to create a separate lib*.a, but callers do not need to #include xenctrl.h and it should be regarded as a separate API. Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
* cpupools [2/6]: libxc changesKeir Fraser2010-04-211-0/+1
| | | | Signed-off-by: Juergen Gross <juergen.gross@ts.fujitsu.com>
* credit2: Add toolstack options to control credit2 scheduler parametersKeir Fraser2010-04-141-0/+1
| | | | Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
* libxc: use new (replacement) mmap-batch ioctlKeir Fraser2010-01-131-1/+1
| | | | | | | | | | | | | | | | | | | | Replace all calls to xc_map_foreign_batch() where the caller doesn't look at the passed in array to check for errors by calls to xc_map_foreign_pages(). Replace all remaining calls by such to the newly introduced xc_map_foreign_bulk(). As a sideband modification (needed while writing the patch to ensure they're unused) eliminate unused parameters to uncanonicalize_pagetable() and xc_map_foreign_batch_single(). Also unmap live_p2m_frame_list earlier in map_and_save_p2m_table(), reducing the peak amount of virtual address space required. All supported OSes other than Linux continue to use the old ioctl for the time being. Also change libxc's MAJOR to 4.0 to reflect the API change. Signed-off-by: Jan Beulich <jbeulich@novell.com>
* Interfaces to memshr domctls.Keir Fraser2009-12-171-0/+1
| | | | Signed-off-by: Grzegorz Milos <Grzegorz.Milos@citrix.com>
* libxc interface support for memory paging domctls.Keir Fraser2009-12-171-0/+1
| | | | Signed-off-by: Patrick Colp <Patrick.Colp@citrix.com>
* imported patch mem_event_tools_domctls.patchKeir Fraser2009-12-171-0/+1
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* libxc: More LZMA/BZIP fixes.Keir Fraser2009-08-241-21/+15
| | | | | | | | | - Fix an error message in xc_try_bzip2_decode() - Check library installation on demand using a Makefile function, rather than generating a dependency file. Cleaner and avoids a race on generating the dep file. Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
* Revert 20105:979fd420311bKeir Fraser2009-08-211-1/+6
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* libxc: Remove minios-specific hack for generating .zlib.deps fileKeir Fraser2009-08-211-6/+1
| | | | | | It's not needed if one relative path is replaced. Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
* libxenguest: Fix libbz2/liblzma dependency computation.Keir Fraser2009-08-201-1/+6
| | | | | | | 1. Create an empty dep file if neither lib is installed 2. Forcibly disable support for libs if building minios Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
* domain builder: Implement bzip2 and LZMA loadersKeir Fraser2009-08-201-1/+21
| | | | | | | | | | | Recent upstream kernels can be compressed using either gzip, bzip2, or LZMA. However, the PV kernel loader in Xen currently only understands gzip, and will fail on the other two types. The attached patch implements kernel decompression for gzip, bzip2, and LZMA so that kernels compressed with any of these methods can be launched. Signed-off-by: Chris Lalancette <clalance@redhat.com> Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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