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GET /api/patches/2216554/?format=api
{ "id": 2216554, "url": "http://patchwork.ozlabs.org/api/patches/2216554/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260326183628.79281-3-mohamed@unpredictable.fr/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/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": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260326183628.79281-3-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-03-26T18:36:27", "name": "[v3,2/3] target/i386: emulate: make unmapped GPA warnings a trace", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bd37151287557ae9389d1a172dcd13389682f967", "submitter": { "id": 91318, "url": "http://patchwork.ozlabs.org/api/people/91318/?format=api", "name": "Mohamed Mediouni", "email": "mohamed@unpredictable.fr" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260326183628.79281-3-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 497637, "url": "http://patchwork.ozlabs.org/api/series/497637/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497637", "date": "2026-03-26T18:36:25", "name": "whpx: i386: documentation and demoting some warnings", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/497637/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216554/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216554/checks/", "tags": {}, "related": [], "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 (2048-bit key;\n unprotected) header.d=unpredictable.fr header.i=@unpredictable.fr\n header.a=rsa-sha256 header.s=sig1 header.b=SfgrTVpl;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fhXZ464Fgz1yGD\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 27 Mar 2026 05:37:16 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1w5pZW-0001NQ-MR; Thu, 26 Mar 2026 14:36:46 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mohamed@unpredictable.fr>)\n id 1w5pZS-0001Mj-Ra\n for qemu-devel@nongnu.org; Thu, 26 Mar 2026 14:36:43 -0400", "from ci-2003c-snip4-11.eps.apple.com ([57.103.91.161]\n helo=outbound.ci.icloud.com)\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mohamed@unpredictable.fr>)\n id 1w5pZR-0008Sn-AT\n for qemu-devel@nongnu.org; Thu, 26 Mar 2026 14:36:42 -0400", "from outbound.ci.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-central-1k-100-percent-5 (Postfix) with ESMTPS id\n 1CC761800315; Thu, 26 Mar 2026 18:36:36 +0000 (UTC)", "from localhost.localdomain (unknown [17.57.156.36])\n by p00-icloudmta-asmtp-us-central-1k-100-percent-5 (Postfix) with ESMTPSA id\n 3ABDD1800178; Thu, 26 Mar 2026 18:36:34 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1774550198; x=1777142198;\n bh=o/R2DGy6ntht8zjLtkax4gwL+IkVrUBZLrFH7yPSkgI=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=SfgrTVplZuaA5YDPt9IUjnITyE0IKtSw+qERxosLHpn1vPCqKK3SIfYe75b41+JqgsAFf4JTOc2h4R2hzJDI+eCv0nAD6mxVaJ7zRWja2orIKHdsVv7MGjO/AQ4AGn2qpz9oqI896MLVs53MNw+pykKDvkMTDTFfyrLawSH+XNscEUtQuwy8A1JiLW/zqt8puEC0xgs5qMAUgh4OuBX0V3m1I15Gph7j5gMb16mKCeFI4iPfrexXvKmBC4uFPYOfn83OKWAILBxT7RVf3P04bX5k6DTbUyRKRbZwWvUl8GZeC8MtI/ElER9/K6jfNb0Ja4pXt86pKjx4GeIVQVk+CQ==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "Mohamed Mediouni <mohamed@unpredictable.fr>, Wei Liu <wei.liu@kernel.org>,\n\t=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Pierrick Bouvier <pierrick.bouvier@linaro.org>,\n Roman Bolshakov <rbolshakov@ddn.com>,\n =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>,\n Pedro Barbuda <pbarbuda@microsoft.com>, =?utf-8?q?Philippe_Mathieu-Daud?=\n\t=?utf-8?q?=C3=A9?= <philmd@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>,\n Phil Dennis-Jordan <phil@philjordan.eu>", "Subject": "[PATCH v3 2/3] target/i386: emulate: make unmapped GPA warnings a\n trace", "Date": "Thu, 26 Mar 2026 19:36:27 +0100", "Message-ID": "<20260326183628.79281-3-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260326183628.79281-1-mohamed@unpredictable.fr>", "References": "<20260326183628.79281-1-mohamed@unpredictable.fr>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Authority-Info-Out": "v=2.4 cv=IZeKmGqa c=1 sm=1 tr=0 ts=69c57cb4\n cx=c_apl:c_pps:t_out a=2G65uMN5HjSv0sBfM2Yj2w==:117\n a=2G65uMN5HjSv0sBfM2Yj2w==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=j-Qzp9laiEuN6BHQYxAA:9", "X-Proofpoint-ORIG-GUID": "vxBcRGldGUQ3IoElZKZ9HFNJT1xHXVeR", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMzI2MDEzMyBTYWx0ZWRfX0Jse/deb3sCd\n lTsq+7e+XBs066lAXtsCb36+aUiR9ZCqa7qbKt8GQZBVIFpSpjGUS+qfCZim3jm8wIGwDqjRpB5\n BNNdyiwXJAp8XHRm0X/TBVlgK24AqzMCNNft5sXsf6jVpmGhswxWySog+lTZUR3MW+5Y3zhAdyL\n 61RRBXMqszxFchmSalYbsfjRVuC3Mg8TBHJRJ+9gaD+6IvlcyP4FM73YuHsMTNQJGOYBLe0FSaB\n ECZVevgrhzUVQfATgZN5IhBOp86PmINKaU/TiWUCookzELb0iSa2X0Xi4jd9o04qnbyTbHQlTPU\n OLT5vL3dV+ofUQdVMX8vYOCfvR01Qbl73EQYtjHq7Dm1/xKDWym0pO0h+ko8Hg=", "X-Proofpoint-GUID": "vxBcRGldGUQ3IoElZKZ9HFNJT1xHXVeR", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-03-26_03,2026-03-26_01,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=notspam policy=default score=0 mlxscore=0\n adultscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=463\n spamscore=0 malwarescore=0 clxscore=1030 suspectscore=0 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2603260133", "Received-SPF": "pass client-ip=57.103.91.161;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.ci.icloud.com", "X-Spam_score_int": "-27", "X-Spam_score": "-2.8", "X-Spam_bar": "--", "X-Spam_report": "(-2.8 / 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_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-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 development <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": "Some guest OSes trigger them way too often.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n meson.build | 1 +\n target/i386/emulate/trace-events | 2 ++\n target/i386/emulate/trace.h | 2 ++\n target/i386/emulate/x86_mmu.c | 5 +++--\n 4 files changed, 8 insertions(+), 2 deletions(-)\n create mode 100644 target/i386/emulate/trace-events\n create mode 100644 target/i386/emulate/trace.h", "diff": "diff --git a/meson.build b/meson.build\nindex e6f17dd5f7..5a2e7a491d 100644\n--- a/meson.build\n+++ b/meson.build\n@@ -3691,6 +3691,7 @@ if have_system or have_user\n 'target/arm/hvf',\n 'target/hppa',\n 'target/i386',\n+ 'target/i386/emulate',\n 'target/i386/kvm',\n 'target/loongarch',\n 'target/mips/tcg',\ndiff --git a/target/i386/emulate/trace-events b/target/i386/emulate/trace-events\nnew file mode 100644\nindex 0000000000..e353969661\n--- /dev/null\n+++ b/target/i386/emulate/trace-events\n@@ -0,0 +1,2 @@\n+x86_unhandled_memory_read(uint64_t gpa, int bytes) \"read from unmapped mmio region gpa=0x%\" PRIx64 \" size=%i\"\n+x86_unhandled_memory_write(uint64_t gpa, int bytes) \"write to unmapped mmio region gpa=0x%\" PRIx64 \" size=%i\"\ndiff --git a/target/i386/emulate/trace.h b/target/i386/emulate/trace.h\nnew file mode 100644\nindex 0000000000..8c2317b152\n--- /dev/null\n+++ b/target/i386/emulate/trace.h\n@@ -0,0 +1,2 @@\n+/* SPDX-License-Identifier: LGPL-2.1-or-later */\n+#include \"trace/trace-target_i386_emulate.h\"\ndiff --git a/target/i386/emulate/x86_mmu.c b/target/i386/emulate/x86_mmu.c\nindex c69ae96acb..e5f4dd8a65 100644\n--- a/target/i386/emulate/x86_mmu.c\n+++ b/target/i386/emulate/x86_mmu.c\n@@ -25,6 +25,7 @@\n #include \"emulate/x86.h\"\n #include \"emulate/x86_emu.h\"\n #include \"emulate/x86_mmu.h\"\n+#include \"trace.h\"\n \n #define pte_present(pte) (pte & PT_PRESENT)\n #define pte_write_access(pte) (pte & PT_WRITE)\n@@ -287,7 +288,7 @@ static MMUTranslateResult x86_write_mem_ex(CPUState *cpu, void *data, target_ulo\n MEMTXATTRS_UNSPECIFIED, data, copy);\n \n if (mem_tx_res == MEMTX_DECODE_ERROR) {\n- warn_report(\"write to unmapped mmio region gpa=0x%\" PRIx64 \" size=%i\", gpa, bytes);\n+ trace_x86_unhandled_memory_write(gpa, bytes);\n return MMU_TRANSLATE_GPA_UNMAPPED;\n } else if (mem_tx_res == MEMTX_ACCESS_ERROR) {\n return MMU_TRANSLATE_GPA_NO_WRITE_ACCESS;\n@@ -339,7 +340,7 @@ static MMUTranslateResult x86_read_mem_ex(CPUState *cpu, void *data, target_ulon\n data, copy);\n \n if (mem_tx_res == MEMTX_DECODE_ERROR) {\n- warn_report(\"read from unmapped mmio region gpa=0x%\" PRIx64 \" size=%i\", gpa, bytes);\n+ trace_x86_unhandled_memory_read(gpa, bytes);\n return MMU_TRANSLATE_GPA_UNMAPPED;\n } else if (mem_tx_res == MEMTX_ACCESS_ERROR) {\n return MMU_TRANSLATE_GPA_NO_READ_ACCESS;\n", "prefixes": [ "v3", "2/3" ] }