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Mon, 6 Jul 2026 16:54:50 GMT Received: from smtprelay03.fra02v.mail.ibm.com ([9.218.2.224]) by ppma21.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4f7dgjxf1x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 06 Jul 2026 16:54:50 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (smtpav02.fra02v.mail.ibm.com [10.20.54.101]) by smtprelay03.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 666Gsm8i54133082 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 6 Jul 2026 16:54:48 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 84EB620043; Mon, 6 Jul 2026 16:54:48 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3A97220040; Mon, 6 Jul 2026 16:54:48 +0000 (GMT) Received: from heavy.ibm.com (unknown [9.111.23.52]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 6 Jul 2026 16:54:48 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , Paolo Bonzini Cc: qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH v2 0/3] accel/tcg: Make PageFlagsNodes' start and last immutable Date: Mon, 6 Jul 2026 18:51:22 +0200 Message-ID: <20260706165445.57418-1-iii@linux.ibm.com> X-Mailer: git-send-email 2.54.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 2rEftGYxPwV48-EXcvkuirPLwI2wq9Tg X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA2MDE3MCBTYWx0ZWRfX8/qlo+oFdtub JMpHC9vyqmvSeH0F9Mi2AnDFwNjnPDu7GnF8q7JQP6gWQFEndyLyR5Px4u+zVmOv3/E1Q3ASY7h N4tBtOc1RjcMWViNUMIFSue/Qd2h318= X-Authority-Analysis: v=2.4 cv=DKW/JSNb c=1 sm=1 tr=0 ts=6a4bdddb cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=9CNncO525tPuSrLx_s4A:9 X-Proofpoint-GUID: 2rEftGYxPwV48-EXcvkuirPLwI2wq9Tg X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA2MDE3MCBTYWx0ZWRfXzf76B7g3IDHn IMjNCfxqT19LcLE5NIMMynZXTopSh+fzj5KpmMXJYVXltfDqMK9M0pZgQDif+GUcFLyPxkdVC3Y QJb9ndMTBpyovGW53ZKgImnQVAfVjbGGzszGJ7M7YyKSZq9rB76U3tg+RrRnMFuRS7/MP3txKVS D0B3VP1Q0hzbbIQ8GvWEBmLZeUAdcIkU4yP1zub7DtSIwrlYZYkekrd+b2h9xMsBog5RvdC1vnX X2xrRj50OVjMxxHK6uitD/re0d5bQ38Azsqo29HDPEfhvXyvCE9mvZBnvEpu7Pd6jFzlDtl+qPQ 24tUQ16kz+GMOrCP0/fZS92TYNLijyQWKaco0fBugmC8ntQF9+BNJ2gCEQJeNAlYT1mV2vWUhGX nxxeU4ZO8DbjLrZ9n4ObWPdDfZmNUR7g9TJuLKzDqL6gSJnJQj7QMVAGzZaewlBE70CDEE2naWN RVmO7sEkrRBsQdnZ62g== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-06_02,2026-07-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 clxscore=1015 phishscore=0 impostorscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607060170 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, 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 development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org v1: https://lore.kernel.org/qemu-devel/20260706110330.4150026-1-iii@linux.ibm.com/T/#t v1 -> v2: Use a new approach: immutability. Hi, This series fixes the ancient vma-pthread test failures. It was sparked by a bug report by wasmtime project. The patch seems to fix all issues - I could run vma-pthread for an hour, while previously it would fail reliably in under a minute. Best regards, Ilya Ilya Leoshkevich (3): accel/tcg: Make PageFlagsNodes' start and last immutable tests/tcg/multiarch: Improve mutator randomness Revert "tests/tcg: skip the vma-pthread test on CI" accel/tcg/user-exec.c | 37 ++++++++++++++++------------- tests/tcg/multiarch/Makefile.target | 9 ------- tests/tcg/multiarch/vma-pthread.c | 3 ++- 3 files changed, 23 insertions(+), 26 deletions(-) -- 2.54.0