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2017-10-25tpm: add stubsPhilippe Mathieu-Daudé1-1/+1
Commit c37cacabf22 moved tpm_cleanup() in the main loop exit, however this function is not available when compiling with --disable-tpm. Provides necessary stubs to keep code clean of #ifdef'fery. Reported-by: BALATON Zoltan <balaton@eik.bme.hu> Message-Id: <20171023102903.256AF7456A0@zero.eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Richard W.M. Jones <rjones@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
2017-10-10build-sys: make vhost-user-scsi depend on libvhost-user.aMarc-André Lureau1-1/+0
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-22scsi, file-posix: add support for persistent reservation managementPaolo Bonzini1-0/+1
It is a common requirement for virtual machine to send persistent reservations, but this currently requires either running QEMU with CAP_SYS_RAWIO, or using out-of-tree patches that let an unprivileged QEMU bypass Linux's filter on SG_IO commands. As an alternative mechanism, the next patches will introduce a privileged helper to run persistent reservation commands without expanding QEMU's attack surface unnecessarily. The helper is invoked through a "pr-manager" QOM object, to which file-posix.c passes SG_IO requests for PERSISTENT RESERVE OUT and PERSISTENT RESERVE IN commands. For example: $ qemu-system-x86_64 -device virtio-scsi \ -object pr-manager-helper,id=helper0,path=/var/run/qemu-pr-helper.sock -drive if=none,id=hd,driver=raw,file.filename=/dev/sdb,file.pr-manager=helper0 -device scsi-block,drive=hd or: $ qemu-system-x86_64 -device virtio-scsi \ -object pr-manager-helper,id=helper0,path=/var/run/qemu-pr-helper.sock -blockdev node-name=hd,driver=raw,file.driver=host_device,file.filename=/dev/sdb,file.pr-manager=helper0 -device scsi-block,drive=hd Multiple pr-manager implementations are conceivable and possible, though only one is implemented right now. For example, a pr-manager could: - talk directly to the multipath daemon from a privileged QEMU (i.e. QEMU links to libmpathpersist); this makes reservation work properly with multipath, but still requires CAP_SYS_RAWIO - use the Linux IOC_PR_* ioctls (they require CAP_SYS_ADMIN though) - more interestingly, implement reservations directly in QEMU through file system locks or a shared database (e.g. sqlite) Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-19scsi: move non-emulation specific code to scsi/Paolo Bonzini1-1/+1
util/scsi.c includes some SCSI code that is shared by block/iscsi.c and hw/scsi, but the introduction of the persistent reservation helper will add many more instances of this. There is also include/block/scsi.h, which actually is not part of the core block layer. The persistent reservation manager will also need a home. A scsi/ directory provides one for both the aforementioned shared code and the PR manager code. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-18IDE: replace DEBUG_IDE with tracing systemJohn Snow1-0/+1
Remove the DEBUG_IDE preprocessor definition with something more appropriately flexible, using the trace-events subsystem. This will be less prone to bitrot and will more effectively allow us to target just the functions we care about. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170901001502.29915-2-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2017-09-15buildsys: Move seccomp cflags/libs to per objectFam Zheng1-0/+2
Like many other libraries, libseccomp cflags and libs should only apply to the building of necessary objects. Do so in the usual way with the help of per object variables. Signed-off-by: Fam Zheng <famz@redhat.com>
2017-07-20configure: Don't build ivshmem tools unless CONFIG_IVSHMEM is setKamil Rytarowski1-2/+2
Don't try to build the ivshmem-server and ivshmem-client tools unless CONFIG_IVSHMEM is set. This fixes in passing a build bug on NetBSD, which fails to build the ivshmem tools because they use shm_open() and on NetBSD that requires linking against -lrt. Signed-off-by: Kamil Rytarowski <n54@gmx.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1500021225-4118-4-git-send-email-peter.maydell@linaro.org [PMM: moved some code into earlier patches; minor bugfixes; added commit message] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-07-11backends: remove empty trace-events fileDaniel P. Berrange1-1/+0
The content of the backends/trace-events file was entirely removed in commit 6b10e573d15ef82dbc5c5b3726028e6642e134f6 Author: Marc-André Lureau <marcandre.lureau@redhat.com> Date: Mon May 29 12:39:42 2017 +0400 char: move char devices to chardev/ Leaving the empty file around, causes tracetool to generate an empty .dtrace file which makes the dtrace compiler throw a syntax error. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20170629162046.4135-1-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-07-10nbd: use generic trace subsystem instead of TRACE macroVladimir Sementsov-Ogievskiy1-0/+1
Let NBD use the trace mechanisms already present in qemu. Now you can use the -trace optino of qemu, or the -T/--trace option of qemu-img, qemu-io, and qemu-nbd, to select nbd traces. For qemu, the QMP commands trace-event-{get,set}-state can also toggle tracing on the fly. Example: qemu-nbd --trace 'nbd_*' <image file> # enables all nbd traces Recompilation with CFLAGS=-DDEBUG_NBD is no more needed, furthermore, DEBUG_NBD macro is removed from the code. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20170707152918.23086-11-vsementsov@virtuozzo.com> [eblake: minor tweaks to a couple of traces] Signed-off-by: Eric Blake <eblake@redhat.com>
2017-07-04Makefile: Move bootdevice.o to common-obj-yThomas Huth1-1/+1
There does not seem to be any target specific code in this file, so we can put it into "common-obj" instead of "obj" to compile it only once for all targets. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1498454578-18709-7-git-send-email-thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-06-15vhost-user-scsi: Introduce a vhost-user-scsi sample applicationFelipe Franciosi1-0/+4
This commit introduces a vhost-user-scsi backend sample application. It must be linked with libiscsi and libvhost-user. To use it, compile with: $ make vhost-user-scsi And run as follows: $ ./vhost-user-scsi -u vus.sock -i iscsi://uri_to_target/ $ qemu-system-x86_64 --enable-kvm -m 512 \ -object memory-backend-file,id=mem,size=512m,share=on,mem-path=guestmem \ -numa node,memdev=mem \ -chardev socket,id=vhost-user-scsi,path=vus.sock \ -device vhost-user-scsi-pci,chardev=vhost-user-scsi \ The application is currently limited at one LUN only and it processes requests synchronously (therefore only achieving QD1). The purpose of the code is to show how a backend can be implemented and to test the vhost-user-scsi Qemu implementation. If a different instance of this vhost-user-scsi application is executed at a remote host, a VM can be live migrated to such a host. Signed-off-by: Felipe Franciosi <felipe@nutanix.com> Message-Id: <1488479153-21203-5-git-send-email-felipe@nutanix.com>
2017-06-15accel: move kvm related accelerator files into accel/Yang Zhong1-0/+1
move kvm related accelerator files into accel/ subdirectory, also create one stub subdirectory, which will include accelerator's stub files. Signed-off-by: Yang Zhong <yang.zhong@intel.com> Message-Id: <1496383606-18060-5-git-send-email-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-06-15tcg: move tcg related files into accel/tcg/ subdirectoryYang Zhong1-0/+1
move cputlb.c, cpu-exec-common.c and cpu-exec.c related tcg exec file into accel/tcg/ subdirectory. Signed-off-by: Yang Zhong <yang.zhong@intel.com> Message-Id: <1496383606-18060-3-git-send-email-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-06-15accel: split the tcg accelerator from accel.c fileYang Zhong1-1/+0
there are some types of accelerators in qemu, and all accelerators have their own file except tcg. tcg accelerator is also defined in accel.c file. tcg accelerator file will be splited from accel.c and re-name to tcg-all.c. accel/ directory will be created to include kvm and tcg related files. Signed-off-by: Yang Zhong <yang.zhong@intel.com> Message-Id: <1496383606-18060-2-git-send-email-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-06-02char: move char devices to chardev/Marc-André Lureau1-2/+2
Suggested by Paolo Bonzini during series review. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-17migration: Move page_cache.c to migration/Juan Quintela1-1/+0
It is only used by migration, so move it there. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-03-20target-mips: replace few LOG_DISAS() with trace pointsPhilippe Mathieu-Daudé1-0/+1
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
2017-02-21block: move AioContext, QEMUTimer, main-loop to libqemuutilPaolo Bonzini1-4/+0
AioContext is fairly self contained, the only dependency is QEMUTimer but that in turn doesn't need anything else. So move them out of block-obj-y to avoid introducing a dependency from io/ to block-obj-y. main-loop and its dependency iohandler also need to be moved, because later in this series io/ will call iohandler_get_aio_context. [Changed copyright "the QEMU team" to "other QEMU contributors" as suggested by Daniel Berrange and agreed by Paolo. --Stefan] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Message-id: 20170213135235.12274-2-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-02-20Add wctablet deviceAnatoli Huseu11-0/+1
Add QEMU Wacom Penpartner serial tablet emulation. GSoC 2016 project. Signed-off-by: Anatoli Huseu1 <avg.tolik@gmail.com> Various cleanups. Add line speed tracking. Implement ST and SP commands. Adapted to chardev QOMification. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 1486391007-10116-1-git-send-email-kraxel@redhat.com
2017-02-02Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell1-44/+55
into staging # gpg: Signature made Wed 01 Feb 2017 13:44:32 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/tracing-pull-request: trace: clean up trace-events files qapi: add missing trace_visit_type_enum() call trace: improve error reporting when parsing simpletrace header trace: update docs to reflect new code generation approach trace: switch to modular code generation for sub-directories trace: move setting of group name into Makefiles trace: move hw/i386/xen events to correct subdir trace: move hw/xen events to correct subdir trace: move hw/block/dataplane events to correct subdir make: move top level dir to end of include search path # Conflicts: # Makefile Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-31char: create chardev-obj-yMarc-André Lureau1-2/+3
This will help to split char.c in several units without having to reference them all everywhere. This is useful in particular for tests. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-01-31trace: switch to modular code generation for sub-directoriesDaniel P. Berrange1-47/+55
Introduce rules in the top level Makefile that are able to generate trace.[ch] files in every subdirectory which has a trace-events file. The top level directory is handled specially, so instead of creating trace.h, it creates trace-root.h. This allows sub-directories to include the top level trace-root.h file, without ambiguity wrt to the trace.g file in the current sub-dir. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170125161417.31949-7-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-31trace: move hw/i386/xen events to correct subdirDaniel P. Berrange1-0/+1
The trace-events for a given source file should generally always live in the same directory as the source file. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170125161417.31949-5-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-31trace: move hw/xen events to correct subdirDaniel P. Berrange1-0/+1
The trace-events for a given source file should generally always live in the same directory as the source file. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170125161417.31949-4-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-31trace: move hw/block/dataplane events to correct subdirDaniel P. Berrange1-0/+1
The trace-events for a given source file should generally always live in the same directory as the source file. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170125161417.31949-3-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-31char: move to chardev/Marc-André Lureau1-1/+1
The following commits will split char.c in several files. Let's put them in a subdirectory. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-01-09Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell1-1/+1
virtio, vhost, pc: fixes Here are some bugfixes that didn't make 2.8. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Fri 16 Dec 2016 21:13:43 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: virtio: avoid using guest_notifier_mask in vhost-user mode pci: fix error message for express slots i386: amd_iommu: fix MMIO register count and access tests/vhost-user-bridge: use contrib/libvhost-user contrib: add libvhost-user tests/vhost-user-bridge: do not accept more than one connection tests/vhost-user-bridge: indicate peer disconnected tests/vhost-user-bridge: remove unnecessary dispatcher_remove tests/vhost-user-bridge: remove false comment Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-22build-sys: remove libtool left-overMarc-André Lureau1-1/+0
Libtool support was removed in commit e999ee44349, there is a few left-over. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161108070513.30274-1-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-12-20Move target-* CPU file into a target/ folderThomas Huth1-5/+5
We've currently got 18 architectures in QEMU, and thus 18 target-xxx folders in the root folder of the QEMU source tree. More architectures (e.g. RISC-V, AVR) are likely to be included soon, too, so the main folder of the QEMU sources slowly gets quite overcrowded with the target-xxx folders. To disburden the main folder a little bit, let's move the target-xxx folders into a dedicated target/ folder, so that target-xxx/ simply becomes target/xxx/ instead. Acked-by: Laurent Vivier <laurent@vivier.eu> [m68k part] Acked-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> [tricore part] Acked-by: Michael Walle <michael@walle.cc> [lm32 part] Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> [s390x part] Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> [s390x part] Acked-by: Eduardo Habkost <ehabkost@redhat.com> [i386 part] Acked-by: Artyom Tarasenko <atar4qemu@gmail.com> [sparc part] Acked-by: Richard Henderson <rth@twiddle.net> [alpha part] Acked-by: Max Filippov <jcmvbkbc@gmail.com> [xtensa part] Reviewed-by: David Gibson <david@gibson.dropbear.id.au> [ppc part] Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> [cris&microblaze part] Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn> [unicore32 part] Signed-off-by: Thomas Huth <thuth@redhat.com>
2016-12-16contrib: add libvhost-userMarc-André Lureau1-1/+1
Add a library to help implementing vhost-user backend (or slave). Dealing with vhost-user as an application developer isn't so easy: you have all the trouble with any protocol: validation, unix ancillary data, shared memory, eventfd, logging, and on top of that you need to deal with virtio queues, if possible efficiently. qemu test has a nice vhost-user testing application vhost-user-bridge, which implements most of vhost-user, and virtio.c which implements virtqueues manipulation. Based on these two, I tried to make a simple library, reusable for tests or development of new vhost-user scenarios. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> [Felipe: set used_idx copy on SET_VRING_ADDR and update shadow avail idx on SET_VRING_BASE] Signed-off-by: Felipe Franciosi <felipe@nutanix.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-10-26tcg: Add atomic helpersRichard Henderson1-1/+1
Add all of cmpxchg, op_fetch, fetch_op, and xchg. Handle both endian-ness, and sizes up to 8. Handle expanding non-atomically, when emulating in serial. Reviewed-by: Emilio G. Cota <cota@braap.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-10-25qapi: add trace events for visitorDaniel P. Berrange1-0/+1
Allow tracing of the operation of visitors Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1475246744-29302-4-git-send-email-berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [visit_type_uint8() & friends rearranged slightly for clarity] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-10-17target-arm: Add trace events for the generic timersPeter Maydell1-0/+1
Add some useful trace events for the ARM generic timers (notably the various register writes and the resulting IRQ line state). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1476294876-12340-3-git-send-email-peter.maydell@linaro.org
2016-09-29Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell1-0/+1
into staging # gpg: Signature made Wed 28 Sep 2016 22:30:45 BST # 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/tracing-pull-request: trace: Document the execution mode of guest events trace: Add event "guest_cpu_reset" trace: Add event "guest_cpu_enter" trace: Properly initialize dynamic event states in hot-plugged vCPUs trace: move hw/virtio/virtio-balloon.c trace points into correct file trace: move hw/mem/pc-dimm.c trace points into correct file trace: move util/qemu-coroutine*.c trace points into correct file trace: move util/buffer.c trace points into correct file Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-28trace: move hw/mem/pc-dimm.c trace points into correct fileDaniel P. Berrange1-0/+1
The trace points for hw/mem/pc-dimm.c were mistakenly put in the hw/i386/trace-events file, instead of hw/mem/trace-events in commit 5eb76e480b42206d3640c1aab8a376ba350f70bb Author: Daniel P. Berrange <berrange@redhat.com> Date: Thu Jun 16 09:40:10 2016 +0100 trace: split out trace events for hw/i386/ directory Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1473872624-23285-4-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-09-27cpus-common: move CPU list management to common codePaolo Bonzini1-1/+1
Add a mutex for the CPU list to system emulation, as it will be used to manage safe work. Abstract manipulation of the CPU list in new functions cpu_list_add and cpu_list_remove. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-13replication: Introduce new APIs to do replication operationChanglong Xie1-0/+1
This commit introduces six replication interfaces(for block, network etc). Firstly we can use replication_(new/remove) to create/destroy replication instances, then in migration we can use replication_(start/stop/do_checkpoint /get_error)_all to handle all replication operations. More detail please refer to replication.h Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com> Signed-off-by: Wang WeiWei <wangww.fnst@cn.fujitsu.com> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Message-id: 1469602913-20979-9-git-send-email-xiecl.fnst@cn.fujitsu.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-07-21intel_iommu: add support for split irqchipPeter Xu1-0/+1
In split irqchip mode, IOAPIC is working in user space, only update kernel irq routes when entry changed. When IR is enabled, we directly update the kernel with translated messages. It works just like a kernel cache for the remapping entries. Since KVM irqfd is using kernel gsi routes to deliver interrupts, as long as we can support split irqchip, we will support irqfd as well. Also, since kernel gsi routes will cache translated interrupts, irqfd delivery will not suffer from any performance impact due to IR. And, since we supported irqfd, vhost devices will be able to work seamlessly with IR now. Logically this should contain both vhost-net and vhost-user case. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> [move trace-events lines into target-i386/trace-events] Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-06-20trace: split out trace events for linux-user/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the linux-user/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-id: 1466066426-16657-41-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for qom/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the qom/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1466066426-16657-40-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for target-ppc/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the target-ppc/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-id: 1466066426-16657-39-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for target-s390x/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the target-s390x/ directory to their own file. [Added missing newline in target-s390x/trace-events as suggested by Cornelia Huck <cornelia.huck@de.ibm.com>. --Stefan] Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Message-id: 1466066426-16657-38-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for target-sparc/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the target-sparc/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1466066426-16657-37-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for net/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the net/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1466066426-16657-36-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for audio/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the audio/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1466066426-16657-35-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for ui/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the ui/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1466066426-16657-34-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for hw/alpha/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the hw/alpha/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1466066426-16657-33-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for hw/arm/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the hw/arm/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1466066426-16657-32-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for hw/acpi/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the hw/acpi/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1466066426-16657-31-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-20trace: split out trace events for hw/vfio/ directoryDaniel P. Berrange1-0/+1
Move all trace-events for files in the hw/vfio/ directory to their own file. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1466066426-16657-30-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
generated by cgit v1.1 at 2024-11-03 16:24:45 +0000