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{ "id": 2175265, "url": "http://patchwork.ozlabs.org/api/1.0/covers/2175265/?format=api", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.0/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20251217164549.4311-1-farosas@suse.de>", "date": "2025-12-17T16:45:46", "name": "[v2,0/2] ppc: Fix migration issue with quiesced state", "submitter": { "id": 85343, "url": "http://patchwork.ozlabs.org/api/1.0/people/85343/?format=api", "name": "Fabiano Rosas", "email": "farosas@suse.de" }, "series": [ { "id": 485728, "url": "http://patchwork.ozlabs.org/api/1.0/series/485728/?format=api", "date": "2025-12-17T16:45:47", "name": "ppc: Fix migration issue with quiesced state", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/485728/mbox/" } ], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256\n header.s=susede2_rsa header.b=r8WD+01B;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=us8GxZPj;\n\tdkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de\n header.a=rsa-sha256 header.s=susede2_rsa header.b=rIdvvbSl;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=cdUTv5bC;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1765989953;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding;\n bh=GflHCo7RBYrYhtZvzABS0DCrAarF1iGNGJd1Mhf/Vpw=;\n b=cdUTv5bCu800mgLKKOQdcYf6yRCgdqTHZgKFLIaVafRpzhwTI095VGq+P4/2gSjQ6EwzWm\n lAji2I0yb/qfLXDg==" ], "From": "Fabiano Rosas <farosas@suse.de>", "To": "qemu-devel@nongnu.org", "Cc": "thuth@redhat.com,\n\tpeterx@redhat.com", "Subject": "[PATCH v2 0/2] ppc: Fix migration issue with quiesced state", "Date": "Wed, 17 Dec 2025 13:45:46 -0300", "Message-ID": "<20251217164549.4311-1-farosas@suse.de>", "X-Mailer": "git-send-email 2.51.0", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Spamd-Result": "default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[99.99%];\n MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000];\n R_MISSING_CHARSET(0.50)[];\n R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519];\n NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain];\n MX_GOOD(-0.01)[]; TO_DN_NONE(0.00)[]; ARC_NA(0.00)[];\n RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[];\n SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from];\n MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[];\n FUZZY_RATELIMITED(0.00)[rspamd.com];\n DBL_BLOCKED_OPENRESOLVER(0.00)[gitlab.com:url,suse.de:dkim,suse.de:mid,imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns];\n DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519];\n FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2];\n RCVD_TLS_ALL(0.00)[]; RCPT_COUNT_THREE(0.00)[3];\n DKIM_TRACE(0.00)[suse.de:+]", "X-Rspamd-Action": "no action", "X-Rspamd-Server": "rspamd2.dmz-prg2.suse.org", "X-Rspamd-Queue-Id": "594325BCD3", "X-Spam-Score": "-3.01", "Received-SPF": "pass client-ip=195.135.223.131; envelope-from=farosas@suse.de;\n helo=smtp-out2.suse.de", "X-Spam_score_int": "-43", "X-Spam_score": "-4.4", "X-Spam_bar": "----", "X-Spam_report": "(-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "A while back, Fabian reported two issues with migration on ppc64le,\none of which was already fixed. There remains this one from the\nprevious series:\n\npseries migration causes a guest hang after migration due to a new\nvariable used to track the stopped state of vcpus, which is not\nmigrated. Fix is to migrate the new variable. To avoid breaking\nbackward migration, a compat property is added. For forward migration,\na heuritics based on the known QEMU code is used.\n\nThanks\n\nCI run: https://gitlab.com/farosas/qemu/-/pipelines/2220496446\n\nv1:\nhttps://lore.kernel.org/r/20250819223905.2247-1-farosas@suse.de\n\nFabiano Rosas (2):\n target/ppc: Fix env->quiesced migration\n tests/functional: Add a OS level migration test for pseries\n\n hw/ppc/spapr.c | 6 +++\n target/ppc/cpu.h | 1 +\n target/ppc/cpu_init.c | 7 +++\n target/ppc/machine.c | 63 ++++++++++++++++++++++++\n tests/functional/ppc64/test_migration.py | 12 +++++\n tests/functional/ppc64/test_pseries.py | 35 +++++++++++++\n 6 files changed, 124 insertions(+)" }