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2018-04-02nbd: Fix 32-bit compilation on BLOCK_STATUSEric Blake
iotests 123 and 209 fail on 32-bit platforms. The culprit: sizeof(extent) is wrong; we want sizeof(*extent). But since the struct is 8 bytes, it happened to work on 64-bit platforms where the pointer is also 8 bytes (nasty). Fixes: 78a33ab58 Reported-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20180327210517.1804242-1-eblake@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2018-04-02target/xtensa: linux-user: fix fadvise64 callMax Filippov
fadvise64_64 on xtensa passes advice as the second argument and so must be handled similar to PPC. This fixes glibc testsuite tests posix/tst-posix_fadvise and posix/tst-posix_fadvise64. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-04-01linux-user: implement clock_settimeMax Filippov
This fixes glibc testsuite test rt/tst-clock2. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-04-01linux-user: fix error propagation in clock_gettimeMax Filippov
host_to_target_timespec may return error if target address could not be locked, but it is ignored. Propagate return value of host_to_target_timespec to the caller of clock_gettime. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-04-01target/xtensa: linux-user: fix sysv IPC structuresMax Filippov
- make target_ipc_perm fields match kernel definitions for xtensa; - add target_semid64_ds with proper order of times and reserved fields for little/big endian specific for xtensa; - add missing reserved fields after time fields to the target_shmid_ds; - fix types of shm_cpid, shm_lpid and shm_nattch fields of target_shmid_ds to match kernel definitions for xtensa. These changes fix guest ipcs output and fix glibc testsuite tests sysvipc/test-sysvsem and sysvipc/test-sysvshm. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-03-31linux-user: fix mq_getsetattr implementationMax Filippov
mq_getsetattr implementation does not set errno correctly in case of error. Also in the presence of both 2nd and 3rd arguments it calls both mq_getattr and mq_setattr, whereas only the latter call would suffice. Don't call mq_getattr in the presence of the 2nd argument. Don't copy output back to user in case of error. Use get_errno to set errno value. This fixes test rt/tst-mqueue2 from the glibc testsuite. Cc: Lionel Landwerlin <lionel.landwerlin@openwide.fr> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Riku Voipio <riku.voipio@iki.fi> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-03-31linux-user: call cpu_copy under clone_lockMax Filippov
cpu_copy adds newly created CPU object to container/machine/unattached, but does it w/o proper locking. As a result when multiple threads create threads rapidly QEMU may abort with the following message: GLib-CRITICAL **: g_hash_table_iter_next: assertion 'ri->version == ri->hash_table->version' failed ERROR:qemu/qom/object.c:1663:object_get_canonical_path_component: code should not be reached E.g. this issue is observed when running glibc test nptl/tst-eintr1. Move cpu_copy invocation under clone_lock to fix that. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-03-31target/xtensa: linux-user: rewind pc for restarted syscallMax Filippov
In case of syscall restart request set pc back to the syscall instruction. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-03-31target/xtensa: fix flush_window_regsMax Filippov
flush_window_regs uses wrong stack frame to save overflow registers in call8 and call12 frames, which results in wrong register values in callers of a function that received a signal. Reimplement flush_window_regs closely following window overflow sequence. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-03-31Merge remote-tracking branch ↵Peter Maydell
'remotes/riscv/tags/riscv-qemu-2.12-critical-fixes' into staging RISC-V: Critical fixes for QEMU 2.12 This series includes changes that are considered release critical, such as floating point register file corruption under SMP Linux due to incorrect handling of mstatus.FS. This workaround will be replaced with a more comprehensive fix for mstatus.FS handling in QEMU 2.13. # gpg: Signature made Thu 29 Mar 2018 18:22:42 BST # gpg: using DSA key 6BF1D7B357EF3E4F # gpg: Good signature from "Michael Clark <michaeljclark@mac.com>" # gpg: aka "Michael Clark <mjc@sifive.com>" # gpg: aka "Michael Clark <michael@metaparadigm.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: 7C99 930E B17C D8BA 073D 5EFA 6BF1 D7B3 57EF 3E4F * remotes/riscv/tags/riscv-qemu-2.12-critical-fixes: RISC-V: Workaround for critical mstatus.FS bug Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-31Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into ↵Peter Maydell
staging # gpg: Signature made Fri 30 Mar 2018 04:49:42 BST # gpg: using RSA key EF04965B398D6211 # gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.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: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211 * remotes/jasowang/tags/net-pull-request: qemu-doc: Rework the network options chapter to make "-net" less prominent Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-30Merge remote-tracking branch ↵Peter Maydell
'remotes/stefanberger/tags/pull-tpm-2018-03-29-1' into staging Merge tpm 2018/03/29 v1 # gpg: Signature made Fri 30 Mar 2018 01:04:47 BST # gpg: using RSA key 75AD65802A0B4211 # gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.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: B818 B9CA DF90 89C2 D5CE C66B 75AD 6580 2A0B 4211 * remotes/stefanberger/tags/pull-tpm-2018-03-29-1: tests: Tests more flags of the CRB interface tpm: CRB: Enforce locality is requested before processing buffer tpm: CRB: Reset Granted flag when relinquishing locality tpm: CRB: set the Idle flag by default Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-30Merge remote-tracking branch ↵Peter Maydell
'remotes/dgilbert/tags/pull-migration-20180329a' into staging Migration pull (small fixes) A pair of two small fixes for 2.12. # gpg: Signature made Thu 29 Mar 2018 14:55:17 BST # gpg: using RSA key 0516331EBC5BFDE7 # gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" # Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7 * remotes/dgilbert/tags/pull-migration-20180329a: migration: Don't activate block devices if using -S migration: fix pfd leak Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-30qemu-doc: Rework the network options chapter to make "-net" less prominentThomas Huth
"-net" is clearly a legacy option. Yet we still use it in almost all examples in the qemu documentation, and many other spots in the network chapter. We should make it less prominent that users are not lured into using it so often anymore. So instead of starting the network chapter with "-net nic" and documenting "-net <backend>" below "-netdev <backend>" everywhere, all the "-net" related documentation is now moved to the end of the chapter. The new "-nic" option is moved to the beginning of the chapter instead, with a new example that should demonstrate how "-nic" can be used to shortcut "-device" with "-netdev". The examples in this chapter are changed to use the "-device" and "-netdev" options or "-nic" instead of "-net nic -net <backend>". While we're at it, also remove a legacy remark about very old Linux distributions. Also remove the "[...]" from the examples in this chapter since we are not using this ellipsis in any other examples in our docu- mentation. Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2018-03-29tests: Tests more flags of the CRB interfaceStefan Berger
Test and modify more flags of the CRB interface. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-03-29tpm: CRB: Enforce locality is requested before processing bufferStefan Berger
Section 5.5.3.2.2 of the CRB specs states that use of the TPM through the localty control method must first be requested, otherwise the command will be dropped. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-03-29tpm: CRB: Reset Granted flag when relinquishing localityStefan Berger
Reset the Granted flag when relinquishing a locality. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-03-29tpm: CRB: set the Idle flag by defaultStefan Berger
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-03-29RISC-V: Workaround for critical mstatus.FS bugMichael Clark
This change is a workaround for a bug where mstatus.FS is not correctly reporting dirty after operations that modify floating point registers. This a critical bug or RISC-V in QEMU as it results in floating point register file corruption when running SMP Linux due to task migration and possibly uniprocessor Linux if more than one process is using the FPU. This workaround will return dirty if mstatus.FS is switched from off to initial or clean. According to the specification it is legal for an implementation to return only off, or dirty. Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Sagar Karandikar <sagark@eecs.berkeley.edu> Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Cc: Peter Maydell <peter.maydell@linaro.org> Cc: Alex Bennée <alex.bennee@linaro.org> Cc: Richard Henderson <richard.henderson@linaro.org> Cc: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Richard W.M. Jones <rjones@redhat.com> Signed-off-by: Michael Clark <mjc@sifive.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2018-03-29migration: Don't activate block devices if using -SDr. David Alan Gilbert
Activating the block devices causes the locks to be taken on the backing file. If we're running with -S and the destination libvirt hasn't started the destination with 'cont', it's expecting the locks are still untaken. Don't activate the block devices if we're not going to autostart the VM; 'cont' already will do that anyway. bz: https://bugzilla.redhat.com/show_bug.cgi?id=1560854 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20180328170207.49512-1-dgilbert@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-03-29migration: fix pfd leakMarc-André Lureau
Fix leak spotted by ASAN: Direct leak of 16 byte(s) in 1 object(s) allocated from: #0 0x7fe1abb80a38 in __interceptor_calloc (/lib64/libasan.so.4+0xdea38) #1 0x7fe1aaf1bf75 in g_malloc0 ../glib/gmem.c:124 #2 0x7fe1aaf1c249 in g_malloc0_n ../glib/gmem.c:355 #3 0x55f4841cfaa9 in postcopy_ram_fault_thread /home/elmarco/src/qemu/migration/postcopy-ram.c:596 #4 0x55f48479447b in qemu_thread_start /home/elmarco/src/qemu/util/qemu-thread-posix.c:504 #5 0x7fe1a043550a in start_thread (/lib64/libpthread.so.0+0x750a) Regression introduced with commit 00fa4fc85b00f1a8a810068d158a7a66e88658eb. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180321113644.21899-1-marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-03-28Merge remote-tracking branch ↵Peter Maydell
'remotes/riscv/tags/riscv-qemu-2.12-important-fixes' into staging RISC-V: Important fixes for QEMU 2.12 This series includes changes that are considered important. i.e. correct user-visible bugs that are exercised by common operations such as -cpu list (CPU model changes) or -d in_asm (fix for disassembly of addiw) # gpg: Signature made Wed 28 Mar 2018 21:34:57 BST # gpg: using DSA key 6BF1D7B357EF3E4F # gpg: Good signature from "Michael Clark <michaeljclark@mac.com>" # gpg: aka "Michael Clark <mjc@sifive.com>" # gpg: aka "Michael Clark <michael@metaparadigm.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: 7C99 930E B17C D8BA 073D 5EFA 6BF1 D7B3 57EF 3E4F * remotes/riscv/tags/riscv-qemu-2.12-important-fixes: RISC-V: Fix incorrect disassembly for addiw RISC-V: Convert cpu definition to future model Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-28RISC-V: Fix incorrect disassembly for addiwMichael Clark
This fixes a bug in the disassembler constraints used to lift instructions into pseudo-instructions, whereby addiw instructions are always lifted to sext.w instead of just lifting addiw with a zero immediate. An associated fix has been made to the metadata used to machine generate the disseasembler: https://github.com/michaeljclark/riscv-meta/ commit/4a6b2f3898430768acfe201405224d2ea31e1477 Cc: Sagar Karandikar <sagark@eecs.berkeley.edu> Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Clark <mjc@sifive.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2018-03-28RISC-V: Convert cpu definition to future modelMichael Clark
- Model borrowed from target/sh4/cpu.c - Rewrote riscv_cpu_list to use object_class_get_list - Dropped 'struct RISCVCPUInfo' and used TypeInfo array - Replaced riscv_cpu_register_types with DEFINE_TYPES - Marked base class as abstract - Fixes -cpu list Cc: Igor Mammedov <imammedo@redhat.com> Cc: Sagar Karandikar <sagark@eecs.berkeley.edu> Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Cc: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2018-03-28Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20180328' into stagingPeter Maydell
Fix muluh_i64 and mulsh_i64 flags # gpg: Signature made Wed 28 Mar 2018 05:46:45 BST # gpg: using RSA key 64DF38E8AF7E215F # gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" # Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F * remotes/rth/tags/pull-tcg-20180328: tcg: Mark muluh_i64 and mulsh_i64 as 64-bit ops Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-28tcg: Mark muluh_i64 and mulsh_i64 as 64-bit opsRichard Henderson
Failure to do so results in the tcg optimizer sign-extending any constant fold from 32-bits. This turns out to be visible in the RISC-V testsuite using a host that emits these opcodes (e.g. any non-x86_64). Reported-by: Michael Clark <mjc@sifive.com> Reviewed-by: Emilio G. Cota <cota@braap.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-03-27Update version for v2.12.0-rc1 releasev2.12.0-rc1Peter Maydell
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-27gdbstub: send a termination packet instead of crashing gdbKONRAD Frederic
Since the commit: commit 4486e89c219c0d1b9bd8dfa0b1dd5b0d51ff2268 Author: Stefan Hajnoczi <stefanha@redhat.com> Date: Wed Mar 7 14:42:05 2018 +0000 vl: introduce vm_shutdown() GDB crashes when qemu exits (at least on sparc-softmmu): Remote communication error. Target disconnected.: Connection reset by peer. Quitting: putpkt: write failed: Broken pipe. So send a packet to exit GDB before we exit QEMU: [Inferior 1 (Thread 0) exited normally] Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: KONRAD Frederic <frederic.konrad@adacore.com> Message-id: 1521538773-30802-1-git-send-email-frederic.konrad@adacore.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-27Merge remote-tracking branch 'remotes/ericb/tags/pull-qapi-2018-03-27-v2' ↵Peter Maydell
into staging qapi patches for 2018-03-27, 2.12-rc1 - Marc-André Lureau: qmp-test: fix response leak - Eric Blake: tests: Silence false positive warning on generated test name - Laurent Vivier: 0/4 (partial) coccinelle: re-run scripts from scripst/coccinelle - Peter Xu: 0/8 Monitor: some oob related patches (fixes, new param, tests) - Satheesh Rajendran: hmp.c: Revert hmp_info_cpus output format change # gpg: Signature made Tue 27 Mar 2018 16:18:36 BST # gpg: using RSA key A7A16B4A2527436A # gpg: Good signature from "Eric Blake <eblake@redhat.com>" # gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" # gpg: aka "[jpeg image of size 6874]" # Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A * remotes/ericb/tags/pull-qapi-2018-03-27-v2: hmp.c: Revert hmp_info_cpus output format change tests: qmp-test: add test for new "x-oob" tests: Add parameter to qtest_init_without_qmp_handshake monitor: new parameter "x-oob" qmp: cleanup qmp queues properly tests: add oob-test for qapi-schema tests: let qapi-schema tests detect oob qapi: restrict allow-oob value to be "true" qmp: fix qmp_capabilities error regression qdict: remove useless cast error: Remove NULL checks on error_propagate() calls error: Strip trailing '\n' from error string arguments (again again) tests: Silence false positive warning on generated test name qmp-test: fix response leak Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-27Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell
staging # gpg: Signature made Tue 27 Mar 2018 15:41:11 BST # gpg: using RSA key 9CA4ABB381AB73C8 # 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: MAINTAINERS: add include/block/aio-wait.h coroutine: add test-aio coroutine queue chaining test case coroutine: avoid co_queue_wakeup recursion queue: add QSIMPLEQ_PREPEND() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-27Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into stagingPeter Maydell
# gpg: Signature made Tue 27 Mar 2018 05:56:19 BST # gpg: using RSA key 7DEF8106AAFC390E # gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" # Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB # Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E * remotes/jnsnow/tags/ide-pull-request: macio: fix NULL pointer dereference when issuing IDE trim ide: fix invalid TRIM range abortion for macio Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-27hmp.c: Revert hmp_info_cpus output format changeSatheesh Rajendran
Commit 137b5cb6 refactored 'info cpus' output, changing 'thread_id' to 'thread-id'. While HMP is not a stable interface, it is trivial to keep the spelling consistent for test frameworks that have not yet updated to using QMP. This patch just reverts back output format to 'thread_id'. CC: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com> Signed-off-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Message-Id: <20180327123800.28851-1-sathnaga@linux.vnet.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> [eblake: improve commit message] Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27tests: qmp-test: add test for new "x-oob"Peter Xu
Test the new OOB capability. It's mostly the reverted OOB test (see commit 4fd78ad7), but differs in that: - It uses the new qtest_init_without_qmp_handshake() parameter to create the monitor with "x-oob" - Squashed the capability tests on greeting message - Don't use qtest_global any more, instead use self-maintained QTestState, which is the trend Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180326063901.27425-9-peterx@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> [eblake: rebase to qtest_init changes] Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27tests: Add parameter to qtest_init_without_qmp_handshakeEric Blake
Allow callers to choose whether to allow OOB support during a test; for now, all existing callers pass false, but the next patch will add a new caller. Also, rewrite the monitor setup to be generic (using the -qmp shorthand is insufficient for honoring the parameter). Based on an idea by Peter Xu, in <20180326063901.27425-8-peterx@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20180327013620.1644387-4-eblake@redhat.com> Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Peter Xu <peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-03-27monitor: new parameter "x-oob"Peter Xu
Add new parameter to optionally enable Out-Of-Band for a QMP server. An example command line: ./qemu-system-x86_64 -chardev stdio,id=char0 \ -mon chardev=char0,mode=control,x-oob=on By default, Out-Of-Band is off. It is not allowed if either MUX or non-QMP is detected, since Out-Of-Band is currently only for QMP, and non-MUX chardev backends. Note that the client STILL has to request 'oob' during qmp_capabilities; in part because the x-oob command line option may disappear in the future if we decide the capabilities negotiation is sufficient. Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180326063901.27425-4-peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> [eblake: enhance commit message] Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27qmp: cleanup qmp queues properlyPeter Xu
Marc-André Lureau reported that we can have this happen: 1. client1 connects, send command C1 2. client1 disconnects before getting response for C1 3. client2 connects, who might receive response of C1 However client2 should not receive remaining responses for client1. Basically, we should clean up the request/response queue elements when: - after a session is closed - before destroying the queues Some helpers are introduced to achieve that. We need to make sure we're with the lock when operating on those queues. This also needed the declaration of QMPRequest moved earlier. Reported-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180326063901.27425-3-peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> [eblake: drop pointless qmp_response_free(), drop queue flush on connect since a clean queue on disconnect is sufficient] Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27tests: add oob-test for qapi-schemaPeter Xu
It simply tests the new OOB capability, and make sure the QAPISchema can parse it correctly. Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180326063901.27425-7-peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27tests: let qapi-schema tests detect oobPeter Xu
The allow_oob parameter was passed in but not used in tests. Now reflect that in the tests, so we need to touch up other command testers with that new change. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180326063901.27425-6-peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27qapi: restrict allow-oob value to be "true"Peter Xu
It was missed in the first version of OOB series. We should check this to make sure we throw the right error when fault value is passed in. Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180326063901.27425-5-peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27qmp: fix qmp_capabilities error regressionPeter Xu
When someone sends a command before QMP handshake, the error used to be like this: {"execute": "query-cpus"} {"error": {"class": "CommandNotFound", "desc": "Expecting capabilities negotiation with 'qmp_capabilities'"}} While after cf869d5317 it becomes: {"execute": "query-cpus"} {"error": {"class": "CommandNotFound", "desc": "The command query-cpus has not been found"}} Fix it back to the nicer one. Fixes: cf869d5317 ("qmp: support out-of-band (oob) execution", 2018-03-19) Reported-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180326063901.27425-2-peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> [eblake: commit message grammar tweaks] Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27qdict: remove useless castLaurent Vivier
Re-run Coccinelle script scripts/coccinelle/qobject.cocci Signed-off-by: Laurent Vivier <lvivier@redhat.com> Message-Id: <20180323143202.28879-5-lvivier@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Acked-by: Fam Zheng <famz@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27error: Remove NULL checks on error_propagate() callsLaurent Vivier
Re-run Coccinelle patch scripts/coccinelle/error_propagate_null.cocci Signed-off-by: Laurent Vivier <lvivier@redhat.com> Message-Id: <20180323143202.28879-4-lvivier@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27error: Strip trailing '\n' from error string arguments (again again)Laurent Vivier
Re-run Coccinelle script scripts/coccinelle/err-bad-newline.cocci, and found new error_report() occurrences with '\n'. Signed-off-by: Laurent Vivier <lvivier@redhat.com> Message-Id: <20180323143202.28879-3-lvivier@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27tests: Silence false positive warning on generated test nameEric Blake
Running 'make check' on rawhide with gcc 8.0.1 fails: tests/test-visitor-serialization.c: In function 'main': tests/test-visitor-serialization.c:1127:34: error: '/primitives/' directive writing 12 bytes into a region of size between 1 and 128 [-Werror=format-overflow=] The warning is a false positive (we have two buffers of size 128, so yes, if we FULLY used the first buffer, then sprint'ing it into the second will overflow the second). But in practice, our first buffer will not be longer than "/visitor/serialization/String", so sizing it smaller is enough to let gcc see that we don't overflow the second. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20180323204341.1501664-1-eblake@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-03-27qmp-test: fix response leakMarc-André Lureau
Apparently introduced in commit a4f90923b520f1dc0a768634877eb412e5052c26. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180326172041.21009-1-marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-27Merge remote-tracking branch 'remotes/xtensa/tags/20180326-xtensa' into stagingPeter Maydell
target/xtensa fixes for 2.12: - add .inc. to non-top level source file names under target/xtensa; - fix #include <xtensa-isa.h> in the import_core.sh script; - remove stray linux-user/xtensa/syscall.h; - fix timers test. # gpg: Signature made Mon 26 Mar 2018 22:40:20 BST # gpg: using RSA key 51F9CC91F83FA044 # gpg: Good signature from "Max Filippov <filippov@cadence.com>" # gpg: aka "Max Filippov <max.filippov@cogentembedded.com>" # gpg: aka "Max Filippov <jcmvbkbc@gmail.com>" # Primary key fingerprint: 2B67 854B 98E5 327D CDEB 17D8 51F9 CC91 F83F A044 * remotes/xtensa/tags/20180326-xtensa: target/xtensa: fix timers test linux-user/xtensa: remove stray syscall.h target/xtensa/import_core.sh: fix #include <xtensa-isa.h> target/xtensa: add .inc. to non-top level source file names Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-27Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2018-03-26' ↵Peter Maydell
into staging A fix for dirty bitmap migration through shared storage, and a VMDK patch keeping us from creating too large extents. # gpg: Signature made Mon 26 Mar 2018 21:17:05 BST # gpg: using RSA key F407DB0061D5CF40 # gpg: Good signature from "Max Reitz <mreitz@redhat.com>" # Primary key fingerprint: 91BE B60A 30DB 3E88 57D1 1829 F407 DB00 61D5 CF40 * remotes/maxreitz/tags/pull-block-2018-03-26: vmdk: return ERROR when cluster sector is larger than vmdk limitation iotests: enable shared migration cases in 169 qcow2: fix bitmaps loading when bitmaps already exist qcow2-bitmap: add qcow2_reopen_bitmaps_rw_hint() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-27MAINTAINERS: add include/block/aio-wait.hStefan Hajnoczi
The include/block/aio-wait.h header file was added by commit 7719f3c968c59e1bcda7e177679dc765b59e578f ("block: extract AIO_WAIT_WHILE() from BlockDriverState") without updating MAINTAINERS. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20180312132204.23683-1-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-03-27coroutine: add test-aio coroutine queue chaining test caseStefan Hajnoczi
Check that two coroutines can queue each other repeatedly without hitting stack exhaustion. Switch to qemu_init_main_loop() in main() because coroutines use qemu_get_aio_context() - they don't know about test-aio's ctx variable. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 20180322152834.12656-4-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-03-27coroutine: avoid co_queue_wakeup recursionStefan Hajnoczi
qemu_aio_coroutine_enter() is (indirectly) called recursively when processing co_queue_wakeup. This can lead to stack exhaustion. This patch rewrites co_queue_wakeup in an iterative fashion (instead of recursive) with bounded memory usage to prevent stack exhaustion. qemu_co_queue_run_restart() is inlined into qemu_aio_coroutine_enter() and the qemu_coroutine_enter() call is turned into a loop to avoid recursion. There is one change that is worth mentioning: Previously, when coroutine A queued coroutine B, qemu_co_queue_run_restart() entered coroutine B from coroutine A. If A was terminating then it would still stay alive until B yielded. After this patch B is entered by A's parent so that a A can be deleted immediately if it is terminating. It is safe to make this change since B could never interact with A if it was terminating anyway. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 20180322152834.12656-3-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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