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* Update Xen version to 4.0.1-rc14.0.1-rc1Keir Fraser2010-05-222-2/+2
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* iommu: Gracefully fail to initialise iommu on generic x86 platforms.Keir Fraser2010-05-221-1/+3
| | | | | | Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21446:93410e5e4ad8 xen-unstable date: Sat May 22 06:36:41 2010 +0100
* xentop: fix NULL pointer dereferenceKeir Fraser2010-05-221-13/+15
| | | | | | | | | | | On my system, I'm getting SIGSEGVs in xentop because xenstat_node_domain() is returning NULL. Skip the loop if it does rather than crashing. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21439:11a3bf0e568e xen-unstable date: Thu May 20 14:10:07 2010 +0100
* vmx: Do not modify global vmx_vm{entry,exit}_control fields in ↵Keir Fraser2010-05-191-5/+7
| | | | | | | | | | init_vmcs_config() The function shoudl only have single-domain effect. Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21435:c414129c8e12 xen-unstable date: Wed May 19 20:46:05 2010 +0100
* kexec: Fix dodgy use of cpu_present_map protecting percpu data access.Keir Fraser2010-05-191-1/+1
| | | | | | Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21432:f71b641aa327 xen-unstable date: Wed May 19 18:38:19 2010 +0100
* x86: Allow PV superpages to work with live migrationKeir Fraser2010-05-191-4/+5
| | | | | | | | | | | | PV superpages currently do not work with live migration. They fall over dead when the shadow page table is enabled for dirty tracking. The HVM support for superpages in this code has been tested and found to work just fine for PV superpages. This patch modifies the test macro to allow the code to work with PV superpages. Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21409:2c0c08b4770f xen-unstable date: Tue May 18 11:24:04 2010 +0100
* svm: Fix for AMD erratum 383 on Family 10h CPUsKeir Fraser2010-05-192-0/+67
| | | | | | | | | | | | | | This patches implements the workaround of AMD erratum 383 on family 10h CPUs. It destroys the guest VM when a MC error with a special pattern is detected. Without this patch, a guest VM failure can potentially crash Xen hypervisor and the whole system. The erratum will be published in next version of guide. Signed-off-by: Wei Huang <wei.huang2@amd.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Christoph Egger <christoph.egger@amd.com> xen-unstable changeset: 21408:f40acba36be8 xen-unstable date: Tue May 18 11:21:25 2010 +0100
* intel_txt: to fix intel txt S3 resume failure since c/s 21108Keir Fraser2010-05-191-6/+6
| | | | | | | | | | | | This patch is to fix S3 resume failure with Intel TXT/tboot launched, brought by c/s 21108. Don't printk anything between two tboot_gen_xenheap_integrity() calls for release build or debug build. Or else xen heap will be changed, which causes that memory integrity will be lost on S3 resume. Signed-off-by: Shane Wang <shane.wang@intel.com> xen-unstable changeset: 21403:102dca3f485b xen-unstable date: Mon May 17 11:05:21 2010 +0100
* xend: suppress errors during capabilities checkKeir Fraser2010-05-191-1/+1
| | | | | | Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21402:8d274f678da6 xen-unstable date: Mon May 17 10:56:36 2010 +0100
* xend: Fix getStubdomDomid functionKeir Fraser2010-05-151-1/+1
| | | | | | Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21394:4dc64aa43692 xen-unstable date: Sat May 15 08:31:42 2010 +0100
* Add MSR support for various feature AMD processor families.Keir Fraser2010-05-156-12/+21
| | | | | | Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com> xen-unstable changeset: 21393:3dfc577c8b9e xen-unstable date: Sat May 15 08:29:59 2010 +0100
* xentrace: install scripts with python install wrapperKeir Fraser2010-05-151-1/+2
| | | | | | Signed-off-by: Christoph Egger <Christoph.Egger@amd.com> xen-unstable changeset: 21392:4b4c01defbdd xen-unstable date: Sat May 15 08:29:21 2010 +0100
* xenstore: Fix cleanup_pop() definition for some (buggy) pthread.h headers.Keir Fraser2010-05-131-2/+8
| | | | | | Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21374:9d53864d7be6 xen-unstable date: Thu May 13 12:21:16 2010 +0100
* Even 'dummy' domains (e.g., dom_xen a.k.a. DOMID_XEN) must have valid I/O caps.Keir Fraser2010-05-131-8/+8
| | | | | | | | | | Ensure the rangesets are always initialised. Certain (privileged) invocations of hypercalls such as mmu_update can end up interrogating these special domains for possible I/O capabilities. Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21373:1ec412805622 xen-unstable date: Thu May 13 10:09:02 2010 +0100
* x86: Fix a few on_{selected,each}_cpus callers who should wait for completion.Keir Fraser2010-05-133-3/+3
| | | | | | Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21372:6c22d2dfed48 xen-unstable date: Thu May 13 09:44:20 2010 +0100
* mce: MCE polling logic should check mce_disabled duringKeir Fraser2010-05-131-1/+1
| | | | | | | | initialisation. Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21360:fa94385978e6 xen-unstable date: Wed May 12 09:09:40 2010 +0100
* xs: avoid pthread_join deadlock in xs_daemon_closeKeir Fraser2010-05-131-20/+34
| | | | | | | | | | | | | | | | | | | | | | | Doing a pthread_cancel and join on the reader thread while holding all the request/reply/watch mutexes can deadlock if the thread needs to take any of those mutexes to exit. Kill off the reader thread before taking any mutexes (which should be redundant if we're single-threaded at that point). Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> xen-unstable changeset: 21354:9de69d816b11 xen-unstable date: Wed May 12 08:49:13 2010 +0100 xs: make sure mutexes are cleaned up and memory freed if the read thread is cancelled If the read thread is terminated with pthread cancel, it must make sure all memory is freed and mutexes are unlocked. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> xen-unstable changeset: 21353:2dd3141b3e3e xen-unstable date: Wed May 12 08:48:14 2010 +0100
* domctl: Fix cpumap/cpumask conversion functions to return an error code.Keir Fraser2010-05-134-20/+24
| | | | | | Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21350:e50afc6ecc48 xen-unstable date: Wed May 12 08:42:30 2010 +0100
* x86: Replace our own specialised versions of memset and memcpy withKeir Fraser2010-05-132-254/+9
| | | | | | | | | | | | | direct use of gcc's built-in versions. This dramatically simplifies our code while also avoiding compile warnings with certain intermediate versions of gcc. This patch is based on an initial version by Jan Beulich. Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21349:d77a88f938c6 xen-unstable date: Tue May 11 14:05:28 2010 +0100
* VT-d: prevent watchdog timer from kicking in whenKeir Fraser2010-05-112-0/+8
| | | | | | | | | | | | initializing on systems with huge amounts of memory Process pending soft-IRQs every 4G worth of pages initialized for Dom0 to keep timekeeping happy and prevent the NMI watchdog (when enabled) from kicking in. Signed-off-by: Jan Beulich <jbeulich@novell.com> xen-unstable changeset: 21340:220fa418eaae xen-unstable date: Tue May 11 08:35:45 2010 +0100
* xm: explicitly differentiate between tap and tap2 in config parsing.Keir Fraser2010-05-112-2/+6
| | | | | | | From: Jim Fehlig <jfehlig@novell.com> Signed-off-by: Keir Fraser <Keir.Fraser@eu.citrix.com> xen-unstable changeset: 21338:a915a11908e3 xen-unstable date: Tue May 11 08:31:16 2010 +0100
* xentrace: fix bug in t_info sizeKeir Fraser2010-05-101-1/+1
| | | | | | | | | | t_info size should be in bytes, not pages. This fixes a bug that crashes the hypervisor if the total number of all pages is more than 1024 but less than 2048. Signed-off-by: George Dunlap <george.dunlap@citrix.com> xen-unstable changeset: 21333:93c5beba9d04 xen-unstable date: Mon May 10 09:22:52 2010 +0100
* svm: Avoid VINTR injection during NMI shadowKeir Fraser2010-05-101-3/+14
| | | | | | | | | | | It is invalid because we get vmexit via IRET interception in this case. VINTR is unaware of NMI shadows and may vmexit early, leaving us in an endless loop of VINTR injections and interceptions. Signed-off-by: Wei Wang <wei.wang2@amd.com> Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21331:bbf009817ffb xen-unstable date: Fri May 07 19:22:28 2010 +0100
* multiboot asm: Get offset constants from the C structKeir Fraser2010-05-103-4/+10
| | | | | | Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> xen-unstable changeset: 21325:535bf8e72dd2 xen-unstable date: Fri May 07 10:00:43 2010 +0100
* xenpm: remove wrong and pointless "current" indicatorKeir Fraser2010-05-101-4/+1
| | | | | | | | | | | Using the CPU number to compare with an index into an array containing only a subset of CPUs isn't valid. And indicator isn't necessary here at all since the CPU number being dealt with gets printed right before this line. Signed-off-by: Jan Beulich <jbeulich@novell.com> xen-unstable changeset: 21324:3b7228548a64 xen-unstable date: Fri May 07 09:50:17 2010 +0100
* xend: support blktap2 in xend blkif utilsKeir Fraser2010-05-101-1/+1
| | | | | | | | Support tap2 device type in xend blkif utils parse method. Signed-off-by: Jim Fehlig <jfehlig@novell.com> xen-unstable changeset: 21317:5ac6e33fa3a7 xen-unstable date: Fri May 07 09:27:40 2010 +0100
* xm: Add exception handling when launching vncviewerKeir Fraser2010-05-101-2/+7
| | | | | | | | | Also replaces the call to 'puts' with 'print' as the former is undefined in python Signed-off-by: Goncalo Gomes <Goncalo.Gomes@eu.Citrix.com> xen-unstable changeset: 21296:460d156da874 xen-unstable date: Thu May 06 11:13:22 2010 +0100
* x86: Relocate boot trampoline to avoid BIOS conflicts.Keir Fraser2010-05-101-1/+1
| | | | | | | | | | | | | | | Fix booting through iSCSI protocol with Broadcom network cards. These boards use the option ROM feature to implement the TCP/IP stack protocol, and the iSCSI software initiator. The memory address normally used by the PMM is 0x87000 which conflicts with the memory allocation for Xen's trampoline routine, currently 0x88000. Relocating down to 0x7c000 fixes the problem. Signed-off-by: Fabio Guarneri <fabioguarneri@gmail.com> xen-unstable changeset: 21276:fd44f1c0d3d6 xen-unstable date: Tue May 04 12:51:33 2010 +0100
* linux pvdrv: generalize location of autoconf.hKeir Fraser2010-05-101-1/+1
| | | | | | | | | | The location of the file in the build tree changed in recent Linux; since there can be only one such file, using a wild card instead of an explicit directory name seems the easiest solution. Signed-off-by: Jan Beulich <jbeulich@novell.com> xen-unstable changeset: 21273:d2373000996d xen-unstable date: Tue May 04 12:42:56 2010 +0100
* x86: fix Dom0 booting time regressionKeir Fraser2010-05-103-14/+27
| | | | | | | | | | | | | | | | | | | Unfortunately the changes in c/s 21035 caused boot time to go up significantly on certain large systems. To rectify this without going back to the old behavior, introduce a new memory allocation flag so that Dom0 allocations can exhaust non-DMA memory before starting to consume DMA memory. For the latter, the behavior introduced in aforementioned c/s gets retained, while for the former we can now even try larger chunks first. This builds on the fact that alloc_chunk() gets called with non- increasing 'max_pages' arguments, end hence it can store locally the allocation order last used (as larger order allocations can't succeed during subsequent invocations if they failed once). Signed-off-by: Jan Beulich <jbeulich@novell.com> xen-unstable changeset: 21272:b07edd50661e xen-unstable date: Tue May 04 12:42:21 2010 +0100
* x86: fix off-by-one error in the cache flush portion of flush_area_local().Keir Fraser2010-05-101-1/+1
| | | | | | Signed-off-by: Jan Beulich <jbeulich@novell.com> xen-unstable changeset: 21270:bd52f2e040e5 xen-unstable date: Tue May 04 12:39:29 2010 +0100
* blktap: Fix old QCow tapdisk image handlingKeir Fraser2010-05-101-10/+9
| | | | | | | | | | | | When I tried to use QCow image, I found that only each second boot is successful. As I discovered, this is caused by wrong handling old qcow tapdisk images. Extended header flag is not stored correctly so the blktap tries to change endian fo L1 table on each startup. From: Miroslav Rezanina <mrezanin@redhat.com> Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21269:d6cf080505cd xen-unstable date: Tue May 04 12:38:19 2010 +0100
* vmx, tboot: Check the correct in/outside-SMX flag when init'ing VMX.Keir Fraser2010-05-101-2/+3
| | | | | | | Signed-off-by: Shane Wang <shane.wang@intel.com> Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21266:6d21da6feb59 xen-unstable date: Tue May 04 12:29:05 2010 +0100
* xend: fix bug in option parsingKeir Fraser2010-05-101-4/+4
| | | | | | | | | If you enable legacy tcp xmlrpc in xend's config but omit to enable ssl then a backtrace is generated when starting xend. Signed-off-by: Arnd Hannemann <hannemann@nets.rwth-aachen.de> xen-unstable changeset: 21265:71cf9b12ac9e xen-unstable date: Tue May 04 12:23:54 2010 +0100
* xm: catch TypeError if xenconsole is nonexistentKeir Fraser2010-05-101-1/+1
| | | | | | Signed-off-by: Yu Zhiguo <yuzg@cn.fujitsu.com> xen-unstable changeset: 21258:31a6937e2359 xen-unstable date: Tue May 04 12:10:54 2010 +0100
* x86, shadow: propagate pat caching on the shadow l1Keir Fraser2010-05-102-15/+19
| | | | | | | | | | | PAT caching was only propagated if has_arch_pdevs(), causing the hvm_get_mem_pinned_cacheattr() to be ignored in the non passthrough case. l1_disallow_mask() needs to be relaxed. Signed-off-by: Jean Guyader <jean.guyader@citrix.com> xen-unstable changeset: 21236:9a1d7caa2024 xen-unstable date: Mon Apr 26 12:13:23 2010 +0100
* xen: allow guests to set caching attributes for MMIOsKeir Fraser2010-05-106-4/+8
| | | | | | | | | | | This patch allows guests that have directly mapped MMIO regions to set the caching attributes for them, and only for them. Currently we have just an on/off check for a directly assigned device instead of looking for directly mapped MMIO regions. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> xen-unstable changeset: 21119:5fdfbdd6ca41 xen-unstable date: Thu Apr 08 15:30:52 2010 +0100
* x86: make pxm_to_node() return sane values when disabling NUMA internallyKeir Fraser2010-05-101-1/+3
| | | | | | | | | Otherwise, pass-through code may call memory allocation functions with invalid node IDs, causing the allocations to fail. Signed-off-by: Jan Beulich <jbeulich@novell.com> xen-unstable changeset: 21234:d01ea51fc929 xen-unstable date: Mon Apr 26 12:11:30 2010 +0100
* console: Make initial static console buffer __initdata.Keir Fraser2010-04-231-19/+8
| | | | | | | | | | | | | | | The previous scheme --- freeing an area of BSS --- did not interact nicely with device passthrough as IOMMU will not have any Xen BSS area in guest device pagetables. Hence if the freed BSS space gets allocated to a guest, DMAs to guest's own memory can fail. The simple solution here is to always free the static buffer at end of boot (initmem is specially handled for IOMMUs) and require a dynamically-allocated buffer always to be created. Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21225:2b97855a629f xen-unstable date: Thu Apr 22 17:43:56 2010 +0100
* xend: don't drop device config on domain start failureKeir Fraser2010-04-231-1/+1
| | | | | | | | | | | | | | | If domain creation in xend fails before devices are configured, e.g. insufficient memory, device config is dropped from xend's managed domain config. Once xend is restarted, the domain's devices are lost. This patch fixes a bug in XendConfig where only the device controller was consulted for device configuration. Signed-off-by: Jim Fehlig <jfehlig@novell.com> xen-unstable changeset: 21223:5b72f9832cc2 xen-unstable date: Thu Apr 22 09:42:37 2010 +0100
* docs: Add tmem documentationKeir Fraser2010-04-211-0/+798
| | | | | | Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> xen-unstable changeset: 21211:c7d7797656df xen-unstable date: Wed Apr 21 08:31:31 2010 +0100
* xen: build fix GNU sed vs. BSD sedKeir Fraser2010-04-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Fixes the build error below: gmake[5]: Entering directory `xen/arch/x86/boot' gcc -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls -m32 -march=3Di686 -g -fno-strict-aliasing -std=3Dgnu99 -Wall -Wstrict-prototypes -Wno-unused-value -Wdeclaration-after-statement -fno-stack-protector -Werror -fno-builtin -msoft-float -c reloc.c -o reloc.o ld -melf_i386 -N -Ttext -o reloc.lnk reloc.o ld: invalid hex number `-o' BSD sed does not support the '+' in the basic re while gnu sed does. BSD sed supports '+' in the extended re and uses the -E flag while gnu sed uses -r. The only difference with the original version is that the '+' qualifier is replaced with '\{1\,\}' which should work with both BSD sed and GNU sed. Signed-off-by: Christoph Egger <Christoph.Egger@amd.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> xen-unstable changeset: 21210:b36467432eff xen-unstable date: Wed Apr 21 08:30:45 2010 +0100
* Calling awk and not gawk in the Xen scriptsKeir Fraser2010-04-212-7/+7
| | | | | | | | | | | | | | | | | | | | | I noticed that 2 scripts in Xen 4.0.0 are calling "gawk". Normally, in most distributions, gawk is considered a specific version of awk. Calling "gawk" and not "awk" generally means that you need specificities of the "g" version of awk, as opposed to "mawk" which is another implementation of the same tool. So, unless I misread the scripts, Xen doesn't need to use gawk but just any implementation of awk, and the attached patch can safely be applied. If I am wrong (which I don't think I am at the first look) and that there's a reason why gawk is used and not awk, then IMHO, the toplevel README should mention it in the prerequisites. From: Thomas Goirand <thomas@goirand.fr> Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21195:e5376ececd8b xen-unstable date: Mon Apr 19 09:00:30 2010 +0100
* xend: support 'ioemu' subtype in tap protocol specificationKeir Fraser2010-04-211-1/+1
| | | | | | | | | | blktapctrl supports both 'tapdisk' and 'ioemu' subtypes in tap protocol specification. Support the 'ioemu' subtype in xend BlktapController as well. Signed-off-by: Jim Fehlig <jfehlig@novell.com> xen-unstable changeset: 21194:551a8406e840 xen-unstable date: Mon Apr 19 08:59:14 2010 +0100
* tools/hotplug/Linux/blktap: remove optional tapdisk: prefixKeir Fraser2010-04-211-0/+1
| | | | | | | | | Perhaps this should even be further generalized (e.g. to remove any "[!/]*:" pattern prefixes) to be more forward compatible? Signed-off-by: Jan Beulich <jbeulich@novell.com> xen-unstable changeset: 21193:ae1abcdd4a67 xen-unstable date: Mon Apr 19 08:58:43 2010 +0100
* tmem: add page deduplication with optional compression orKeir Fraser2010-04-214-82/+575
| | | | | | | | | | | | | | | | | | trailing-zero-elimination Add "page deduplication" capability (with optional compression and trailing-zero elimination) to Xen's tmem. (Transparent to tmem-enabled guests.) Ephemeral pages that have the exact same content are "combined" so that only one page frame is needed. Since ephemeral pages are essentially read-only, no C-O-W (and thus no equivalent of swapping) is necessary. Deduplication can be combined with compression or "trailing zero elimination" for even more space savings. Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> xen-unstable changeset: 21103:61372a4f4e76 xen-unstable date: Tue Apr 06 07:11:48 2010 +0100
* x86: Revert how we calculate 'total system RAM' after c/s 20236.Keir Fraser2010-04-151-2/+5
| | | | | | | | | | This approach is more straightforward, in that it simply works the original e820 map. It's what the user expects, and reporting a smaller value is never appreciated. ;-) Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21190:7ee8bb40200a xen-unstable date: Thu Apr 15 19:11:16 2010 +0100
* x86_emulate: Emulate CLFLUSH instructionKeir Fraser2010-04-151-1/+15
| | | | | | | | | | | | | | | | We recently found that FreeBSD 8.0 guest failed to install and boot on Xen. The reason was that FreeBSD detected clflush feature and invoked this instruction to flush MMIO space. This caused a page fault; but x86_emulate.c failed to emulate this instruction (not supported). As a result, a page fault was detected inside FreeBSD. A similar issue was reported earlier. http://lists.xensource.com/archives/html/xen-devel/2010-03/msg00362.html From: Wei Huang <wei.huang2@amd.com> Signed-off-by: Keir Fraser <keir.fraser@citrix.com> xen-unstable changeset: 21189:d18e6a6c618a xen-unstable date: Thu Apr 15 18:47:58 2010 +0100
* pygrub: Fix Grub2 support for Ubuntu 10.04Keir Fraser2010-04-151-1/+1
| | | | | | | | | | Due to changes in grub2, menu entry titles now have single quote around them rather than double quotes, but the memtest entries still are using double quotes, so we need to catch both. Signed-off-by: David Markey <david.markey@citrix.com> xen-unstable changeset: 21188:ffffddc4b1e0 xen-unstable date: Thu Apr 15 17:36:55 2010 +0100
* xentrace: Add missing help optionKeir Fraser2010-04-151-0/+3
| | | | | | | | Describe the --reserve-disk-space option in the xentrace help. Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com> xen-unstable changeset: 21164:c02cc832cb2d xen-unstable date: Tue Apr 13 18:19:33 2010 +0100
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