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2017-04-24socket: Make errp the last parameter of socket_connectFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170421122710.15373-2-famz@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-04-24util/error: Fix leak in error_vprepend()Max Reitz
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <20170413160952.29918-1-mreitz@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-04-21Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20170421' ↵Peter Maydell
into staging migration/next for 20170421 # gpg: Signature made Fri 21 Apr 2017 11:28:13 BST # gpg: using RSA key 0xF487EF185872D723 # gpg: Good signature from "Juan Quintela <quintela@redhat.com>" # gpg: aka "Juan Quintela <quintela@trasno.org>" # Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723 * remotes/juanquintela/tags/migration/20170421: (65 commits) hmp: info migrate_parameters format tunes hmp: info migrate_capability format tunes migration: rename max_size to threshold_size migration: set current_active_state once virtio-rng: stop virtqueue while the CPU is stopped migration: don't close a file descriptor while it can be in use ram: Remove migration_bitmap_extend() migration: Disable hotplug/unplug during migration qdev: Move qdev_unplug() to qdev-monitor.c qdev: Export qdev_hot_removed qdev: qdev_hotplug is really a bool migration: Remove MigrationState parameter from migration_is_idle() ram: Use RAMBitmap type for coherence ram: rename last_ram_offset() last_ram_pages() ram: Use ramblock and page offset instead of absolute offset ram: Change offset field in PageSearchStatus to page ram: Remember last_page instead of last_offset ram: Use page number instead of an address for the bitmap operations ram: reorganize last_sent_block ram: ram_discard_range() don't use the mis parameter ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-21Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell
into staging # gpg: Signature made Fri 21 Apr 2017 10:52:18 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: simpletrace: document Analyzer method signatures trace: Put all trace.o into libqemuutil.a configure: eliminate Python dependency for --help Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-21Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell
staging # gpg: Signature made Fri 21 Apr 2017 10:43:04 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/block-pull-request: MAINTAINERS: update my email address MAINTAINERS: update Wen's email address migration/block: use blk_pwrite_zeroes for each zero cluster throttle: make throttle_config(throttle_get_config()) symmetric throttle: do not use invalid config in test qemu-options: explain disk I/O throttling options Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-21Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170421' into stagingPeter Maydell
The first batch of s390x changes for 2.10: - the new compat machine - several cleanups and optimizations - introspection for css ids # gpg: Signature made Fri 21 Apr 2017 08:36:25 BST # 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-20170421: s390x: Drop useless casts s390x: register I/O adapters per ISC during init s390x/flic: cache flic in s390_get_flic s390x: initialize flic before I/O subsystems s390x: use enum for adapter type and standardize its naming s390x/css: consolidate the devno property for ccw devices s390x/css: provide introspection for virtual subchannel and device busid s390x/css: introduce read-only property type for device ids s390x/pci: make printf always compile in debug output s390x/kvm: make printf always compile in debug output s390x: introduce 2.10 compat machine Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-21Merge remote-tracking branch 'remotes/armbru/tags/pull-qdev-2017-04-21' into ↵Peter Maydell
staging qdev patches for 2017-04-21 # gpg: Signature made Fri 21 Apr 2017 06:37:19 BST # 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-qdev-2017-04-21: qdev: remove cannot_destroy_with_object_finalize_yet versatile: remove cannot_destroy_with_object_finalize_yet ppc: remove cannot_destroy_with_object_finalize_yet arm: remove remaining cannot_destroy_with_object_finalize_yet Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-04-21hmp: info migrate_parameters format tunesPeter Xu
Do the same (one per line) to the parameter list. CC: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-04-21hmp: info migrate_capability format tunesPeter Xu
Dump the info in a single line is hard to read. Do it one per line. Also, the first "capabilities:" didn't help much. Let's remove it. CC: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-04-21migration: rename max_size to threshold_sizePeter Xu
In migration codes (especially in migration_thread()), max_size is used in many place for the threshold value that we will start to do the final flush and jump to the next stage to dump the whole rest things to destination. However its name is confusing to first readers. Let's rename it to "threshold_size" when proper and add a comment for it. No functional change is made. CC: Juan Quintela <quintela@redhat.com> CC: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-04-21migration: set current_active_state oncePeter Xu
We set it right above this one. No need to set it twice. CC: Juan Quintela <quintela@redhat.com> CC: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-04-21virtio-rng: stop virtqueue while the CPU is stoppedLaurent Vivier
If we modify the virtio-rng virqueue while the vmstate is already migrated we can have some inconsistencies between the virtqueue state and the memory content. To avoid this, stop the virtqueue while the CPU is stopped. Signed-off-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Amit Shah <amit@kernel.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-04-21migration: don't close a file descriptor while it can be in useLaurent Vivier
If we close the QEMUFile descriptor in process_incoming_migration_co() while it has been stopped by an error, the postcopy_ram_listen_thread() can try to continue to use it. And as the memory has been freed it is working with an invalid pointer and crashes. Fix this by releasing the memory after having managed the error case (which, in fact, calls exit()) Signed-off-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Amit Shah <amit@kernel.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-04-21ram: Remove migration_bitmap_extend()Juan Quintela
We have disabled memory hotplug, so we don't need to handle migration_bitamp there. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
2017-04-21migration: Disable hotplug/unplug during migrationJuan Quintela
Until we have reviewed what can/can't be hotplugged during migration, disable it. We can enable it later for the things that we know that work. For instance, memory hotplug during postcopy doesn't work currently. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com> -- - Fix typo. Thanks Thomas. - Delay migration check after we have checked that we can hotplug that device. - more typos
2017-04-21qdev: Move qdev_unplug() to qdev-monitor.cJuan Quintela
It is not used by linux-user, otherwise I need to to create one stub for migration_is_idle() on following patch. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2017-04-21qdev: Export qdev_hot_removedJuan Quintela
I need to move qdev_unplug to qdev-monitor in the following patch, and it needs access to this variable. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
2017-04-21qdev: qdev_hotplug is really a boolJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-04-21migration: Remove MigrationState parameter from migration_is_idle()Juan Quintela
Only user don't have a MigrationState handly. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Use RAMBitmap type for coherenceJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: rename last_ram_offset() last_ram_pages()Juan Quintela
We always use it as pages anyways. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Use ramblock and page offset instead of absolute offsetJuan Quintela
This removes the needto pass also the absolute offset. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Change offset field in PageSearchStatus to pageJuan Quintela
We are moving everything to work on pages, not addresses. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Remember last_page instead of last_offsetJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> -- Improve comment Fix typo
2017-04-21ram: Use page number instead of an address for the bitmap operationsJuan Quintela
We use an unsigned long for the page number. Notice that our bitmaps already got that for the index, so we have that limit. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> -- rename page to page_abs everywhere. fix trace types for pages
2017-04-21ram: reorganize last_sent_blockJuan Quintela
We were setting it far away of when we changed it. Now everything is done inside save_page_header. Once there, reorganize code to pass RAMState. We also set CONTINUE flag in a single place. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: ram_discard_range() don't use the mis parameterJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Pass RAMBlock to bitmap_syncJuan Quintela
We change the meaning of start to be the offset from the beggining of the block. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Add page-size to output in 'info migrate'Chao Fan
The number of dirty pages is output in 'pages' in the command 'info migrate', so add page-size to calculate the number of dirty pages in bytes. Signed-off-by: Chao Fan <fanc.fnst@cn.fujitsu.com> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-04-21ram: Rename qemu_target_page_bits() to qemu_target_page_size()Juan Quintela
It was used as a size in all cases except one. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: We don't need MigrationState parameter anymoreJuan Quintela
Remove it from callers and callees. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21migration: Remove MigrationState from migration_in_postcopyJuan Quintela
We need to call for the migrate_get_current() in more that half of the uses, so call that inside. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Remove compression_switch and inline its logicJuan Quintela
We can calculate its value, so we don't create a variable for it. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> -- After Peter and Dave review, I dropped the variable and just inlined the condition. Fix typo
2017-04-21ram: Move QEMUFile into RAMStateJuan Quintela
We receive the file from save_live operations and we don't use it until 3 or 4 levels of calls down. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Add QEMUFile to RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-21ram: Move postcopy_requests into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move dirty_pages_rate to RAMStateJuan Quintela
Treat it like the rest of ram stats counters. Export its value the same way. As an added bonus, no more MigrationState used in migration_bitmap_sync(); Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Again, dave was the one reviewing it
2017-04-21ram: Remove dirty_bytes_rateJuan Quintela
It can be recalculated from dirty_pages_rate. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Dave was the one that reviewed it O:-)
2017-04-21ram: Create ram_dirty_sync_count()Juan Quintela
This is a ram field that was inside MigrationState. Move it to RAMState and make it the same that the other ram stats. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move src_page_req* to RAMStateJuan Quintela
This are the last postcopy fields still at MigrationState. Once there Move MigrationSrcPageRequest to ram.c and remove MigrationState parameters where appropiate. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move last_req_rb to RAMStateJuan Quintela
It was on MigrationState when it is only used inside ram.c for postcopy. Problem is that we need to access it without being able to pass it RAMState directly. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Remove ram_save_remainingJuan Quintela
Just unfold it. Move ram_bytes_remaining() with the rest of exported functions. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Use the RAMState bytes_transferred parameterJuan Quintela
Somewhere it was passed by reference, just use it from RAMState. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move bytes_transferred into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move migration_bitmap_rcu into RAMStateJuan Quintela
Once there, rename the type to be shorter. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move migration_bitmap_mutex into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Everything was init to zero, so use memsetJuan Quintela
And then init only things that are not zero by default. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move migration_dirty_pages to RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move xbzrle_overflows into RAMStateJuan Quintela
Once there, remove the now unused AccountingInfo struct and var. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-04-21ram: Move xbzrle_cache_miss_rate into RAMStateJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
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