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2017-03-24trace: Fix backwards mirror_yield parametersEric Blake
block/trace-events lists the parameters for mirror_yield consistently with other mirror events (cnt just after s, like in mirror_before_sleep; in_flight last, like in mirror_yield_in_flight). But the callers were passing parameters in the wrong order, leading to poor trace messages, including type truncation when there are more than 4G dirty sectors involved. Broken since its introduction in commit bd48bde. While touching this, ensure that all callers use the same type (uint64_t) for cnt, as a later patch will enable the compiler to do stricter type-checking. Signed-off-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-23qom: Fix regression with 'qom-type'Eric Blake
Commit 9a6d1ac assumed that 'qom-type' could be removed from QemuOpts with no ill effects. However, this command line proves otherwise: $ ./x86_64-softmmu/qemu-system-x86_64 -nodefaults -nographic -qmp stdio \ -object rng-random,filename=/dev/urandom,id=rng0 \ -device virtio-rng-pci,rng=rng0 qemu-system-x86_64: -object rng-random,filename=/dev/urandom,id=rng0: Parameter 'qom-type' is missing Fix the regression by restoring qom-type in opts after its temporary removal that was needed for the duration of user_creatable_add_opts(). Reported-by: Richard W. M. Jones <rjones@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Tested-by: Richard W.M. Jones <rjones@redhat.com> Message-id: 20170323160315.19696-1-eblake@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23configure: Fix cut-n-paste errors in OS deprecation warningPeter Maydell
Fix some cut-and-paste errors in the OS deprecation warning pointed out by Thomas Huth. Reported-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1490119729-26206-1-git-send-email-peter.maydell@linaro.org
2017-03-23Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.9-20170323' ↵Peter Maydell
into staging ppc patch queue for 2017-03-23 Just a single bugfix in this batch. It's not strictly in ppc code, though it's for the pseries machine's benefit. Eduardo suggested it go through my tree however. # gpg: Signature made Thu 23 Mar 2017 10:09:17 GMT # gpg: using RSA key 0x6C38CACA20D9B392 # gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" # gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" # gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" # gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" # Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392 * remotes/dgibson/tags/ppc-for-2.9-20170323: numa,spapr: align default numa node memory size to 256MB Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170323' into stagingPeter Maydell
Fix linux-user vs. cpu models. # gpg: Signature made Thu 23 Mar 2017 09:56:13 GMT # gpg: using RSA key 0xDECF6B93C6F02FAF # gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>" # gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" # Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF * remotes/cohuck/tags/s390x-20170323: target/s390x: Fix broken user mode Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23Merge remote-tracking branch 'remotes/gonglei/tags/cryptodev-next-20170323' ↵Peter Maydell
into staging cryptodev fixes # gpg: Signature made Thu 23 Mar 2017 09:22:44 GMT # gpg: using RSA key 0x2ED7FDE9063C864D # gpg: Good signature from "Gonglei <arei.gonglei@huawei.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 3EF1 8E53 3459 E6D1 963A 3C05 2ED7 FDE9 063C 864D * remotes/gonglei/tags/cryptodev-next-20170323: cryptodev: fix asserting single queue cryptodev: setiv only when really need Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2017-03-22-v3' ↵Peter Maydell
into staging QAPI patches for 2017-03-22 # gpg: Signature made Wed 22 Mar 2017 18:25:15 GMT # gpg: using RSA key 0x3870B400EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-qapi-2017-03-22-v3: qapi: Fix QemuOpts visitor regression on unvisited input qom: Avoid unvisited 'id'/'qom-type' in user_creatable_add_opts tests: Expose regression in QemuOpts visitor test-qobject-input-visitor: Cover visit_type_uint64() Revert "hostmem: fix QEMU crash by 'info memdev'" qapi: Fix string input visitor regression for empty lists qapi2texi: Fix translation of *strong* and _emphasized_ tests/qapi-schema: Systematic positive doc comment tests tests/qapi-schema: Make test-qapi.py print docs again qapi: Drop unused QAPIDoc member optional qapi2texi: Fix to actually fail when 'doc-required' is false qapi: Drop excessive Make dependencies on qapi2texi.py MAINTAINERS: Add myself for files I touched recently keyval: Document issues with 'any' and alternate types test-keyval: Cover alternate and 'any' type keyval: Improve some comments test-keyval: Tweaks to improve list coverage Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23Merge remote-tracking branch 'remotes/cody/tags/block-pull-request' into stagingPeter Maydell
# gpg: Signature made Wed 22 Mar 2017 17:28:56 GMT # gpg: using RSA key 0xBDBE7B27C0DE3057 # gpg: Good signature from "Jeffrey Cody <jcody@redhat.com>" # gpg: aka "Jeffrey Cody <jeff@codyprime.org>" # gpg: aka "Jeffrey Cody <codyprime@gmail.com>" # Primary key fingerprint: 9957 4B4D 3474 90E7 9D98 D624 BDBE 7B27 C0DE 3057 * remotes/cody/tags/block-pull-request: blockjob: add devops to blockjob backends block-backend: add drained_begin / drained_end ops blockjob: add block_job_start_shim blockjob: avoid recursive AioContext locking Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
virtio, pc: fixes virtio and misc fixes for 2.9. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Wed 22 Mar 2017 16:29:50 GMT # gpg: using RSA key 0x281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: hw/acpi/vmgenid: prevent more than one vmgenid device hw/acpi/vmgenid: prevent device realization on pre-2.5 machine types virtio: always use handle_aio_output if registered virtio: Fix error handling in virtio_bus_device_plugged Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell
staging # gpg: Signature made Wed 22 Mar 2017 12:54:29 GMT # gpg: using RSA key 0x9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/block-pull-request: parallels: fix default options parsing Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23target/s390x: Fix broken user modeStefan Weil
Returning NULL from get_max_cpu_model results in a SIGSEGV runtime error. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: David Hildenbrand <david@redhat.com> Message-Id: <20170130131517.8092-1-sw@weilnetz.de> Cc: qemu-stable@nongnu.org Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2017-03-23cryptodev: fix asserting single queueHalil Pasic
We already check for queues == 1 in cryptodev_builtin_init and when that is not true raise an error. But before that error is reported the assertion in cryptodev_builtin_cleanup kicks in (because object is being finalized and freed). Let's remove assert(queues == 1) form cryptodev_builtin_cleanup as it does only harm and no good. Reported-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com> Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com>
2017-03-23cryptodev: setiv only when really needLongpeng(Mike)
ECB mode cipher doesn't need IV, if we setiv for it then qemu crypto API would report "Expected IV size 0 not **", so we should setiv only when the cipher algos really need. Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com>
2017-03-22qapi: Fix QemuOpts visitor regression on unvisited inputEric Blake
An off-by-one in commit 15c2f669e meant that we were failing to check for unparsed input in all QemuOpts visitors. Recent testsuite additions show that fixing the obvious bug with bogus fields will also fix the case of an incomplete list visit; update the tests to match the new behavior. Simple testcase: ./x86_64-softmmu/qemu-system-x86_64 -nodefaults -nographic -qmp stdio -numa node,size=1g failed to diagnose that 'size' is not a valid argument to -numa, and now once again reports: qemu-system-x86_64: -numa node,size=1g: Invalid parameter 'size' See also https://bugzilla.redhat.com/show_bug.cgi?id=1434666 CC: qemu-stable@nongnu.org Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Tested-by: Laurent Vivier <lvivier@redhat.com> Message-Id: <20170322144525.18964-4-eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-03-22qom: Avoid unvisited 'id'/'qom-type' in user_creatable_add_optsEric Blake
A regression in commit 15c2f669e caused us to silently ignore excess input to the QemuOpts visitor. Later, commit ea4641 accidentally abused that situation, by removing "qom-type" and "id" from the corresponding QDict but leaving them defined in the QemuOpts, when using the pair of containers to create a user-defined object. Note that since we are already traversing two separate items (a QDict and a QemuOpts), we are already able to flag bogus arguments, as in: $ ./x86_64-softmmu/qemu-system-x86_64 -nodefaults -nographic -qmp stdio -object memory-backend-ram,id=mem1,size=4k,bogus=huh qemu-system-x86_64: -object memory-backend-ram,id=mem1,size=4k,bogus=huh: Property '.bogus' not found So the only real concern is that when we re-enable strict checking in the QemuOpts visitor, we do not want to start flagging the two leftover keys as unvisited. Rearrange the code to clean out the QemuOpts listing in advance, rather than removing items from the QDict. Since "qom-type" is usually an automatic implicit default, we don't have to restore it (this does mean that once instantiated, QemuOpts is not necessarily an accurate representation of the original command line - but this is not the first place to do that); however "id" has to be put back (requiring us to cast away a const). [As a side note, hmp_object_add() turns a QDict into a QemuOpts, then calls user_creatable_add_opts() which converts QemuOpts into a new QDict. There are probably a lot of wasteful conversions like this, but cleaning them up is a much bigger task than the immediate regression fix.] CC: qemu-stable@nongnu.org Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20170322144525.18964-3-eblake@redhat.com> Tested-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-03-22blockjob: add devops to blockjob backendsJohn Snow
This lets us hook into drained_begin and drained_end requests from the backend level, which is particularly useful for making sure that all jobs associated with a particular node (whether the source or the target) receive a drain request. Suggested-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-id: 20170316212351.13797-4-jsnow@redhat.com Signed-off-by: Jeff Cody <jcody@redhat.com>
2017-03-22block-backend: add drained_begin / drained_end opsJohn Snow
Allow block backends to forward drain requests to their devices/users. The initial intended purpose for this patch is to allow BBs to forward requests along to BlockJobs, which will want to pause if their associated BB has entered a drained region. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-id: 20170316212351.13797-3-jsnow@redhat.com Signed-off-by: Jeff Cody <jcody@redhat.com>
2017-03-22blockjob: add block_job_start_shimJohn Snow
The purpose of this shim is to allow us to pause pre-started jobs. The purpose of *that* is to allow us to buffer a pause request that will be able to take effect before the job ever does any work, allowing us to create jobs during a quiescent state (under which they will be automatically paused), then resuming the jobs after the critical section in any order, either: (1) -block_job_start -block_job_resume (via e.g. drained_end) (2) -block_job_resume (via e.g. drained_end) -block_job_start The problem that requires a startup wrapper is the idea that a job must start in the busy=true state only its first time-- all subsequent entries require busy to be false, and the toggling of this state is otherwise handled during existing pause and yield points. The wrapper simply allows us to mandate that a job can "start," set busy to true, then immediately pause only if necessary. We could avoid requiring a wrapper, but all jobs would need to do it, so it's been factored out here. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-id: 20170316212351.13797-2-jsnow@redhat.com Signed-off-by: Jeff Cody <jcody@redhat.com>
2017-03-22blockjob: avoid recursive AioContext lockingPaolo Bonzini
Streaming or any other block job hangs when performed on a block device that has a non-default iothread. This happens because the AioContext is acquired twice by block_job_defer_to_main_loop_bh and then released only once by BDRV_POLL_WHILE. (Insert rants on recursive mutexes, which unfortunately are a temporary but necessary evil for iothreads at the moment). Luckily, the reason for the double acquisition is simple; the function acquires the AioContext for both the job iothread and the BDS iothread, in case the BDS iothread was changed while the job was running. It is therefore enough to skip the second acquisition when the two AioContexts are one and the same. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-id: 1490118490-5597-1-git-send-email-pbonzini@redhat.com Signed-off-by: Jeff Cody <jcody@redhat.com>
2017-03-22hw/acpi/vmgenid: prevent more than one vmgenid deviceLaszlo Ersek
A system with multiple VMGENID devices is undefined in the VMGENID spec by omission. Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Ben Warren <ben@skyportsystems.com> Cc: Igor Mammedov <imammedo@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2017-03-22hw/acpi/vmgenid: prevent device realization on pre-2.5 machine typesLaszlo Ersek
The WRITE_POINTER linker/loader command that underlies VMGENID depends on commit baf2d5bfbac0 ("fw-cfg: support writeable blobs", 2017-01-12), which in turn depends on fw_cfg DMA. DMA for fw_cfg is enabled in 2.5+ machine types only (see commit e6915b5f3a87, "fw_cfg: unbreak migration compatibility for 2.4 and earlier machines", 2016-02-18). Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Ben Warren <ben@skyportsystems.com> Cc: Igor Mammedov <imammedo@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Ben Warren <ben@skyportsystems.com <mailto:ben@skyportsystems.com>> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2017-03-22virtio: always use handle_aio_output if registeredPaolo Bonzini
Commit ad07cd6 ("virtio-scsi: always use dataplane path if ioeventfd is active", 2016-10-30) and 9ffe337 ("virtio-blk: always use dataplane path if ioeventfd is active", 2016-10-30) broke the virtio 1.0 indirect access registers. The indirect access registers bypass the ioeventfd, so that virtio-blk and virtio-scsi now repeatedly try to initialize dataplane instead of triggering the guest->host EventNotifier. Detect the situation by checking vq->handle_aio_output; if it is not NULL, trigger the EventNotifier, which is how the device expects to get notifications and in fact the only thread-safe manner to deliver them. Fixes: ad07cd6 Fixes: 9ffe337 Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-22tests: Expose regression in QemuOpts visitorEric Blake
Commit 15c2f669e broke the ability of the QemuOpts visitor to flag extra input parameters, but the regression went unnoticed because of missing testsuite coverage. Add a test to cover this; take the approach already used in 9cb8ef3 of adding a test that passes (to avoid breaking bisection) but marks with BUG the behavior that we don't like, so that the actual impact of the fix in a later patch is easier to see. CC: qemu-stable@nongnu.org Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Message-Id: <20170322144525.18964-2-eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-03-22virtio: Fix error handling in virtio_bus_device_pluggedFam Zheng
For one thing we shouldn't continue if an error happened, for the other two steps failing can cause an abort() in error_setg because we reuse the same errp blindly. Add error handling checks to fix both issues. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Andrew Jones <drjones@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-03-22numa,spapr: align default numa node memory size to 256MBLaurent Vivier
Since commit 224245b ("spapr: Add LMB DR connectors"), NUMA node memory size must be aligned to 256MB (SPAPR_MEMORY_BLOCK_SIZE). But when "-numa" option is provided without "mem" parameter, the memory is equally divided between nodes, but 8MB aligned. This can be not valid for pseries. In that case we can have: $ ./ppc64-softmmu/qemu-system-ppc64 -m 4G -numa node -numa node -numa node qemu-system-ppc64: Node 0 memory size 0x55000000 is not aligned to 256 MiB With this patch, we have: (qemu) info numa 3 nodes node 0 cpus: 0 node 0 size: 1280 MB node 1 cpus: node 1 size: 1280 MB node 2 cpus: node 2 size: 1536 MB Signed-off-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-03-21test-qobject-input-visitor: Cover visit_type_uint64()Markus Armbruster
The new test demonstrates known bugs: integers between INT64_MAX+1 and UINT64_MAX rejected, and integers between INT64_MIN and -1 are accepted modulo 2^64. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490118290-6133-1-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-21Update version for v2.9.0-rc1 releasev2.9.0-rc1Peter Maydell
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-21configure: Warn about deprecated hostsPeter Maydell
We plan to drop support in a future QEMU release for host OSes and host architectures for which we have no test machine where we can build and run tests. For the 2.9 release, make configure print a warning if it is run on such a host, so that the user has some warning of the plans and can volunteer to help us maintain the port if they need it to continue to function. This commit flags up as deprecated the CPU architectures: * ia64 * sparc * anything which we don't have a TCG port for (and which was presumably using TCI) and the OSes: * GNU/kFreeBSD * DragonFly BSD * NetBSD * OpenBSD * Solaris * AIX * Haiku It also makes entirely unrecognized host OS strings be rejected rather than treated as if they were Linux (which likely never worked). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1490106717-9542-1-git-send-email-peter.maydell@linaro.org
2017-03-21Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into stagingPeter Maydell
This pull request fixes a potential QEMU hang in 9pfs and two issues reported by Coverity. # gpg: Signature made Tue 21 Mar 2017 09:57:58 GMT # gpg: using DSA key 0x02FC3AEB0101DBC2 # gpg: Good signature from "Greg Kurz <groug@kaod.org>" # gpg: aka "Greg Kurz <groug@free.fr>" # gpg: aka "Greg Kurz <gkurz@linux.vnet.ibm.com>" # gpg: aka "Gregory Kurz (Groug) <groug@free.fr>" # gpg: aka "[jpeg image of size 3330]" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 2BD4 3B44 535E C0A7 9894 DBA2 02FC 3AEB 0101 DBC2 * remotes/gkurz/tags/for-upstream: 9pfs: proxy: assert if unmarshal fails 9pfs: don't try to flush self and avoid QEMU hang on reset Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-21add opengl_cflags to QEMU_CFLAGSGerd Hoffmann
... and drop OPENGL_CFLAGS from Makefiles. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 1490079888-29029-1-git-send-email-kraxel@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-21parallels: fix default options parsingEdgar Kaziahmedov
parallels block driver is completely broken since commit commit 75cdcd1553e74b5edc58aed23e3b2da8dabb1876 Author: Markus Armbruster <armbru@redhat.com> Date: Tue Feb 21 21:14:08 2017 +0100 option: Fix checking of sizes for overflow and trailing crap Right now even simple qemu-io -c "read 512 64k" 1.hds ends up with Unexpected error in parse_option_size() at util/qemu-option.c:188: Parameter 'prealloc-size' expects a non-negative number below 2^64 Aborted (core dumped) The cure is simple - we should use 'M' as a suffix in default option value instead of 'MiB'. Signed-off-by: Edgar Kaziahmedov <edos@virtuozzo.mipt.ru> Signed-off-by: Denis V. Lunev <den@openvz.org> Message-id: 1490002022-22653-1-git-send-email-den@openvz.org CC: Markus Armbruster <armbru@redhat.com> CC: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-21Revert "hostmem: fix QEMU crash by 'info memdev'"Markus Armbruster
This reverts commit 1454d33f0507cb54d62ed80f494884157c9e7130. The string input visitor regression fixed in the previous commit made visit_type_uint16List() fail on empty input. query_memdev() calls it via object_property_get_uint16List(). Because it doesn't expect it to fail, it passes &error_abort, and duly crashes. Commit 1454d33 "fixes" this crash by making host_memory_backend_get_host_nodes() return a list containing just MAX_NODES instead of the empty list. Papers over the regression, and leads to bogus "info memdev" output, as shown below; revert. I suspect that if we had bisected the crash back then, we would have found and fixed the actual bug instead of papering over it. To reproduce, run HMP command "info memdev" with $ qemu-system-x86_64 --nodefaults -S -display none -monitor stdio -object memory-backend-ram,id=mem1,size=4k With this commit, "info memdev" prints memory backend: mem1 size: 4096 merge: true dump: true prealloc: false policy: default host nodes: exactly like before commit 74f24cb. Between commit 1454d33 and this commit, it prints memory backend: mem1 size: 4096 merge: true dump: true prealloc: false policy: default host nodes: 128 The last line is bogus. Between commit 74f24cb and 1454d33, it crashes like this: Unexpected error in parse_str() at /work/armbru/tmp/qemu/qapi/string-input-visitor.c:126: Parameter 'null' expects an int64 value or range Aborted (core dumped) Cc: Xiao Guangrong <guangrong.xiao@linux.intel.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490026424-11330-3-git-send-email-armbru@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-21qapi: Fix string input visitor regression for empty listsMarkus Armbruster
Visiting a list when input is the empty string should result in an empty list, not an error. Noticed when commit 3d089ce belatedly added tests, but simply accepted as weird then. It's actually a regression: broken in commit 74f24cb, v2.7.0. Fix it, and throw in another test case for empty string. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490026424-11330-2-git-send-email-armbru@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-21qapi2texi: Fix translation of *strong* and _emphasized_Markus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490015515-25851-7-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-03-21tests/qapi-schema: Systematic positive doc comment testsMarkus Armbruster
We have a number of negative tests, but we don't have systematic positive coverage. Fix that. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490015515-25851-6-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-03-21tests/qapi-schema: Make test-qapi.py print docs againMarkus Armbruster
test-qapi.py used to print the internal representation of doc comments (commit 3313b61). This went away when we dropped the doc comments in positive tests (commit 87c16dc). Bring it back, because I'm going to add real positive doc comment tests. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490015515-25851-5-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-03-21qapi: Drop unused QAPIDoc member optionalMarkus Armbruster
Unused since commit aa964b7 "qapi2texi: Convert to QAPISchemaVisitor" Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490015515-25851-4-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-03-21qapi2texi: Fix to actually fail when 'doc-required' is falseMarkus Armbruster
Messed up in commit bc52d03. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490015515-25851-3-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-03-21qapi: Drop excessive Make dependencies on qapi2texi.pyMarkus Armbruster
When qapi2texi.py changes, we regenerate everything QAPI. Screwed up in commit 56e8bdd. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490015515-25851-2-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2017-03-21MAINTAINERS: Add myself for files I touched recentlyMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490014548-15083-6-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-21keyval: Document issues with 'any' and alternate typesMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490014548-15083-5-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-21test-keyval: Cover alternate and 'any' typeMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490014548-15083-4-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-21keyval: Improve some commentsMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490014548-15083-3-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-21test-keyval: Tweaks to improve list coverageMarkus Armbruster
We have a negative test case for a list index with leading zero. Add positive ones. Tweak the test case for list index greater or equal the number of elements: test "equal" instead of "greater" to guard against off-by-one mistakes. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1490014548-15083-2-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-219pfs: proxy: assert if unmarshal failsGreg Kurz
Replies from the virtfs proxy are made up of a fixed-size header (8 bytes) and a payload of variable size (maximum 64kb). When receiving a reply, the proxy backend first reads the whole header and then unmarshals it. If the header is okay, it then does the same operation with the payload. Since the proxy backend uses a pre-allocated buffer which has enough room for a header and the maximum payload size, marshalling should never fail with fixed size arguments. Any error here is likely to result from a more serious corruption in QEMU and we'd better dump core right away. This patch adds error checks where they are missing and converts the associated error paths into assertions. This should also address Coverity's complaints CID 1348519 and CID 1348520, about not always checking the return value of proxy_unmarshal(). Signed-off-by: Greg Kurz <groug@kaod.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-03-219pfs: don't try to flush self and avoid QEMU hang on resetGreg Kurz
According to the 9P spec [*], when a client wants to cancel a pending I/O request identified by a given tag (uint16), it must send a Tflush message and wait for the server to respond with a Rflush message before reusing this tag for another I/O. The server may still send a completion message for the I/O if it wasn't actually cancelled but the Rflush message must arrive after that. QEMU hence waits for the flushed PDU to complete before sending the Rflush message back to the client. If a client sends 'Tflush tag oldtag' and tag == oldtag, QEMU will then allocate a PDU identified by tag, find it in the PDU list and wait for this same PDU to complete... i.e. wait for a completion that will never happen. This causes a tag and ring slot leak in the guest, and a PDU leak in QEMU, all of them limited by the maximal number of PDUs (128). But, worse, this causes QEMU to hang on device reset since v9fs_reset() wants to drain all pending I/O. This insane behavior is likely to denote a bug in the client, and it would deserve an Rerror message to be sent back. Unfortunately, the protocol allows it and requires all flush requests to suceed (only a Tflush response is expected). The only option is to detect when we have to handle a self-referencing flush request and report success to the client right away. [*] http://man.cat-v.org/plan_9/5/flush Reported-by: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Greg Kurz <groug@kaod.org>
2017-03-20Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
fixes for 2.9-rc1, plus removal of -mno-cygwin references # gpg: Signature made Mon 20 Mar 2017 11:25:07 GMT # gpg: using RSA key 0xBFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: hax: fix breakage in locking configure: remove Cygwin xen: do not build backends for targets that do not support xen qemu-ga: obey LISTEN_PID when using systemd socket activation Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-20audio: catch missing sdl supportGerd Hoffmann
sdl is probed before audio, so we can simply look at $sdl so see whenever we have support or not. Throw an error in case sdl audio is requested without sdl being available. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1490000743-3615-1-git-send-email-kraxel@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-20configure: remove CygwinPaolo Bonzini
The Cygwin target is really compiling for native Win32 with -mno-cygwin. Except, GCC 4.7.0 has finally removed the long deprecated -mno-cygwin option, and that happened about five years ago. Let it rest in peace. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Message-id: 20170317160811.28370-1-pbonzini@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-20Merge remote-tracking branch 'remotes/yongbok/tags/mips-20170320' into stagingPeter Maydell
MIPS patches 2017-03-20 Changes: * Fix clang warnings * Fix delay slot detection in gen_msa_branch() * Fix rc4030 interval timer * Fix rc4030 to tranlate memory accesses only when they occur * Fix 4c4030 a mixed declarations and code warning * Update MAINTAINERS file # gpg: Signature made Mon 20 Mar 2017 12:46:01 GMT # gpg: using RSA key 0x2238EB86D5F797C2 # gpg: Good signature from "Yongbok Kim <yongbok.kim@imgtec.com>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 8600 4CF5 3415 A5D9 4CFA 2B5C 2238 EB86 D5F7 97C2 * remotes/yongbok/tags/mips-20170320: MAINTAINERS: update for MIPS devices dma/rc4030: fix a mixed declarations and code warning dma/rc4030: translate memory accesses only when they occur dma: rc4030: limit interval timer reload value target/mips: fix delay slot detection in gen_msa_branch() target-mips: replace few LOG_DISAS() with trace points target-mips: replace break by goto cp0_unimplemented target-mips: log bad coprocessor0 register accesses with LOG_UNIMP target-mips: remove old & unuseful comments target-mips: fix compiler warnings (clang 5) Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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