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2014-09-26os-posix: report error message when lock file failedGonglei
It will cause that create vm failed When manager tool is killed forcibly (kill -9 libvirtd_pid), the file not was unlink, and unlock. It's better that report the error message for users. Signed-off-by: Huangweidong <weidong.huang@huawei.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26os-posix: remove confused errnoGonglei
If we get inside the 'else if (status == 1)' conditional, then we know that read() succeeded, and therefore errno is unspecified. Printing strerror(errno) on a random value is not helpful. Cc: Eric Blake <eblake@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26os-posix: change tab to space avoid violating coding styleGonglei
Cc: Eric Blake <eblake@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26qapi: Update docs given recent event, spacing fixesEric Blake
Commit 21cd70d added event support but didn't document what the generated code looks like. Commit 05dfb26 removed some unwanted spaces in the generated code, but didn't reflect those changes into the documentation. Finally, the docs start with a big disclaimer about QMP not using QAPI yet, which feels rather stale. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26qapi: Ignore files created during make checkEric Blake
After an in-tree build and run of 'make check-{qapi-schema,unit}', I noticed some leftover files. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Wenchao Xia <wenchaoqemu@gmail.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26qapi: Consistent whitespace in tests/MakefileEric Blake
tests/Makefile had a mix of TAB vs. 8-space indentation; given that it is a Makefile, TAB is more idiomatic even though in these particular cases the choice of whitespace didn't matter. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26vmxcap: Update according to SDM of September 2014Adrian-Ken Rueegsegger
This adds reporting of RDSEED exiting and XSAVES/XRSTORS #UD and fixes the range of VMCS revision as well as some typos. Signed-off-by: Adrian-Ken Rueegsegger <ken@codelabs.ch> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26.travis.yml: remove "make check" from main matrixAlex Bennée
There are problems with unreliability in "make check" which still need to be tracked down. As the tests are broadly the same for all targets if added one explicit target to the matrix to run it. However this does build all softmmu targets to ensure they at least "run" Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alexander Graf <agraf@suse.de> Reviewed-by: Brian Jackson <iggy@theiggy.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26.travis.yml: pre-seed sub-modules for speedAlex Bennée
A significant portion of the build time is spent initialising all the sub-modules we use in the source tree. Often this is almost as long as the build itself. By pre-seeding the .git/modules tree this will hopefully improve things. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alexander Graf <agraf@suse.de> Reviewed-by: Brian Jackson <iggy@theiggy.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26.travis.yml: make the make slightly more parallelAlex Bennée
The Travis VMs have 1.5 cores so we might as well make some use of the paralellism. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alexander Graf <agraf@suse.de> Reviewed-by: Brian Jackson <iggy@theiggy.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26.travis.yml: add more linux-user to the build matrixAlex Bennée
At the same time I've grouped the $ARCH-linux-user and $ARCH-softmmu builds together (hoping FS cache helps) and grouped all $ARCH-softmmu only builds into one target. This reduces the build matrix slightly which will hopefully help with build times. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26tests: avoid running duplicate qom-testsMichael Roth
Since 3687d532 we've been unconditionally adding qom-test to our qtests for every arch. However, some archs inherit their tests from Makefile variables for other archs, such as i386/x86_64, microblaze/microblazeel, and xtensa/xtensaeb. Since these are evaluated in a lazy manner, we ultimately end up adding qom-test twice. In the case x86_64, where we have a large number of machine types that we rerun qom-test for, this has lead to a fairly noticeable increase in the overall run-time of `make check` (78s vs. 42s on my machine). Similar speed-ups are visible for other such archs, but not nearly as significant. Fix this by only adding qom-test to an arch's test list if it's not already present. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Cc: qemu-stable@nongnu.org Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell
into staging # gpg: Signature made Fri 26 Sep 2014 11:59:34 BST using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" * remotes/stefanha/tags/tracing-pull-request: ohci: drop computed flags from trace events ohci: Split long traces to smaller ones scripts/tracetool: don't barf on formats with precision trace: install trace-events file trace-events: Fix comments pointing to source files trace-events: Drop orphaned monitor trace event trace-events: Drop unused megasas trace event cleanup-trace-events.pl: Tighten search for trace event call trace: tighten up trace-events regex to fix bad parse trace-events: drop orphan iscsi trace events trace-events: drop orphan usb_mtp_data_out trace-events: drop orphan virtio_blk_data_plane_complete_request trace: [hmp] Reimplement "trace-event" and "info trace-events" using QMP trace: [qmp] Add commands to query and control event tracing state trace: docs: add trace file description trace: [ust] Fix format string computation in tcg-enabled events Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-26main-loop.c: Handle SIGINT, SIGHUP and SIGTERM synchronouslyPeter Maydell
Add the termination signals SIGINT, SIGHUP and SIGTERM to the list of signals which we handle synchronously via a signalfd. This avoids a race condition where if we took the SIGTERM in the middle of qemu_shutdown_requested: int r = shutdown_requested; [SIGTERM here...] shutdown_requested = 0; then the setting of the shutdown_requested flag by termsig_handler() would be lost and QEMU would fail to shut down. This was causing 'make check' to hang occasionally. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 1411660269-11081-1-git-send-email-peter.maydell@linaro.org Cc: qemu-stable@nongnu.org
2014-09-26ohci: drop computed flags from trace eventsAlex Bennée
This exceeded the trace argument limit for LTTNG UST and wasn't really needed as the flags value is stored anyway. Dropping this fixes the compile failure for UST. It can probably be merged with the previous trace shortening patch. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-26ohci: Split long traces to smaller onesAlexey Kardashevskiy
Recent traces rework introduced 2 tracepoints with 13 and 20 arguments. When dtrace backend is selected (--enable-trace-backend=dtrace), compile fails as sys/sdt.h defines DTRACE_PROBE up to DTRACE_PROBE12 only. This splits long tracepoints. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-26scripts/tracetool: don't barf on formats with precisionAlex Bennée
This only affects lttng user space tracing at the moment. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-26trace: install trace-events fileStefan Hajnoczi
Install the ./trace-events file into the data directory. This file contains the list of trace events that were built into QEMU at compile-time. The file is a handy reference for the set of trace events that the QEMU binary was built with. It is also needed by the simpletrace.py tool that parses binary trace data either emitted from QEMU when built with --enable-trace-backend=simple or by the SystemTap simpletrace script that QEMU provides. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1411486175-3017-1-git-send-email-stefanha@redhat.com
2014-09-26trace-events: Fix comments pointing to source filesMarkus Armbruster
A few files have been renamed without updating their comment here. A few events have been added in the wrong place. Clean that up. Comments with no space after the '#' look ugly and confuse cleanup-trace-events.pl. Insert a space. scripts/cleanup-trace-events.pl is now happy again. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1411476811-24251-5-git-send-email-armbru@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-26trace-events: Drop orphaned monitor trace eventMarkus Armbruster
Event monitor_protocol_event is unused since commit 7517517. Drop it. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1411476811-24251-4-git-send-email-armbru@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-26trace-events: Drop unused megasas trace eventMarkus Armbruster
Event megasas_io_read was added in commit e8f943c, but never used. Drop it. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1411476811-24251-3-git-send-email-armbru@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-26cleanup-trace-events.pl: Tighten search for trace event callMarkus Armbruster
The script can get fooled too easily. For instance, it finds trace_megasas_io_read_start when looking for trace_megasas_io_read, and incorrectly concludes that event megasas_io_read is used. Supply -w to git-grep to tighten the search. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-id: 1411476811-24251-2-git-send-email-armbru@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-26trace: tighten up trace-events regex to fix bad parseStefan Hajnoczi
Use \w for properties and trace event names since they are both drawn from [a-zA-Z0-9_] character sets. The .* for matching properties was too aggressive and caused the following failure with foo(int rc) "(this is a test)": Traceback (most recent call last): File "scripts/tracetool.py", line 139, in <module> main(sys.argv) File "scripts/tracetool.py", line 134, in main binary=binary, probe_prefix=probe_prefix) File "scripts/tracetool/__init__.py", line 334, in generate events = _read_events(fevents) File "scripts/tracetool/__init__.py", line 262, in _read_events res.append(Event.build(line)) File "scripts/tracetool/__init__.py", line 225, in build return Event(name, props, fmt, args, arg_fmts) File "scripts/tracetool/__init__.py", line 185, in __init__ % ", ".join(unknown_props)) ValueError: Unknown properties: foo(int, rc) Cc: Lluís Vilanova <vilanova@ac.upc.edu> Reported-by: Eric Auger <eric.auger@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1411468626-20450-1-git-send-email-stefanha@redhat.com
2014-09-26trace-events: drop orphan iscsi trace eventsStefan Hajnoczi
iscsi_aio_write16_cb, iscsi_aio_writev, iscsi_aio_read16_cb, and iscsi_aio_readv have not not been in use since commit 063c3378a9e3c25cc0afac3c72e4823d0621e352 ("block/iscsi: introduce bdrv_co_{readv, writev, flush_to_disk}"). These were the only trace events in block/iscsi.c so drop the the trace.h include. Cc: Peter Lieven <pl@kamp.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 1411394595-15300-4-git-send-email-stefanha@redhat.com
2014-09-26trace-events: drop orphan usb_mtp_data_outStefan Hajnoczi
This trace event was added in commit 840a178c94dbd3f5b5550fb8621620cb761de72d ("usb: mtp filesharing") but never used. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 1411394595-15300-3-git-send-email-stefanha@redhat.com
2014-09-26trace-events: drop orphan virtio_blk_data_plane_complete_requestStefan Hajnoczi
This trace event has not been in use since commit b002254dbd4c19a01f29790f840f983803e26893 ("virtio-blk: Unify {non-,}dataplane's request handlings"). Cc: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 1411394595-15300-2-git-send-email-stefanha@redhat.com
2014-09-26trace: [hmp] Reimplement "trace-event" and "info trace-events" using QMPLluís Vilanova
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 20140825112002.31112.60143.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-26trace: [qmp] Add commands to query and control event tracing stateLluís Vilanova
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 20140825111957.31112.31733.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-26trace: docs: add trace file descriptionChen Fan
When user used the trace print command from docs/tracing.txt: ./scripts/simpletrace.py trace-events trace-* the user maybe be misled by the "trace-*", because if user directly copy the comand line to run, there alway print the bored message: "usage: ./scripts/simpletrace.py <trace-events> <trace-file>" then we should describe that the "trace-*" represented. Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-26trace: [ust] Fix format string computation in tcg-enabled eventsLluís Vilanova
TCG-enabled events start with two format strings. Delay per-argument format computation until requested ('Event.formats'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-09-25cpu-exec: Do CPU_INTERRUPT_HALT unconditionallyRichard Henderson
The signal is currently checked by 10 targets, but only actually raised by Sparc and ARM. For the sake of one test-and-branch, we can handle this generic bit generically. Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1410626734-3804-24-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-i386: Use cpu_exec_interrupt qom hookRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1410626734-3804-23-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-ppc: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: qemu-ppc@nongnu.org Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1410626734-3804-22-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-lm32: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Michael Walle <michael@walle.cc> Signed-off-by: Richard Henderson <rth@twiddle.net> Acked-by: Michael Walle <michael@walle.cc> Message-id: 1410626734-3804-21-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-microblaze: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1410626734-3804-20-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-mips: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Tested-by: Leon Alrae <leon.alrae@imgtec.com> Message-id: 1410626734-3804-19-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-tricore: Remove the dummy interrupt boilerplateRichard Henderson
It can go back in when it actually does something. Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Message-id: 1410626734-3804-18-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-openrisc: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Jia Liu <proljc@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Tested-by: Jia Liu <proljc@gmail.com> Message-id: 1410626734-3804-17-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-sparc: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1410626734-3804-16-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-arm: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1410626734-3804-15-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-unicore32: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1410626734-3804-14-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-sh4: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1410626734-3804-13-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-alpha: Use cpu_exec_interrupt qom hookRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Message-id: 1410626734-3804-12-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-cris: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1410626734-3804-11-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-m68k: Use cpu_exec_interrupt qom hookRichard Henderson
Since do_interrupt_m68k_hardirq is no longer used outside op_helper.c, make it static. Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 1410626734-3804-10-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-s390x: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Alexander Graf <agraf@suse.de> Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 1410626734-3804-9-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-xtensa: Use cpu_exec_interrupt qom hookRichard Henderson
Cc: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Message-id: 1410626734-3804-8-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25qom: Add cpu_exec_interrupt hookRichard Henderson
Continuing the removal of ifdefs from cpu_exec. Cc: Andreas Färber <afaerber@suse.de> Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 1410626734-3804-7-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-ppc: Use cpu_exec_enter qom hookRichard Henderson
Cc: qemu-ppc@nongnu.org Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 1410626734-3804-6-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25target-m68k: Use cpu_exec_enter/exit qom hooksRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 1410626734-3804-5-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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