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GET /api/patches/2216564/?format=api
{ "id": 2216564, "url": "http://patchwork.ozlabs.org/api/patches/2216564/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260326193358.97858-4-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": "<20260326193358.97858-4-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-03-26T19:33:58", "name": "[v4,3/3] target/i386: emulate: LOG_GUEST_ERROR for read/write from unmapped MMIO", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "45303e91787dfa10b4608b963269f97e3fcd79e0", "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/20260326193358.97858-4-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 497641, "url": "http://patchwork.ozlabs.org/api/series/497641/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497641", "date": "2026-03-26T19:33:56", "name": "whpx: i386: documentation and demoting some warnings", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/497641/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216564/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216564/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=Eafj8EdQ;\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 4fhYrP0Vcnz1xy1\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 27 Mar 2026 06:34:45 +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 1w5qTM-0006fh-Ia; Thu, 26 Mar 2026 15:34:29 -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 1w5qTE-0006dm-EA\n for qemu-devel@nongnu.org; Thu, 26 Mar 2026 15:34:21 -0400", "from ci-2007f-snip4-5.eps.apple.com ([57.103.88.58]\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 1w5qT5-0001cF-50\n for qemu-devel@nongnu.org; Thu, 26 Mar 2026 15:34:15 -0400", "from outbound.ci.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-central-1k-10-percent-2 (Postfix) with ESMTPS id\n 21F7F1800200; Thu, 26 Mar 2026 19:34:07 +0000 (UTC)", "from localhost.localdomain (unknown [17.57.156.36])\n by p00-icloudmta-asmtp-us-central-1k-10-percent-2 (Postfix) with ESMTPSA id\n 1850B180023C; Thu, 26 Mar 2026 19:34:05 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1774553650; x=1777145650;\n bh=h0AP0KXJMes1uoIFMhmXcv+JibOYHNrqTSD7Amc8qDo=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=Eafj8EdQq18krVUsHscDtBmU1WRtB2dw1pfrveO2PjfbSfLis/A8nPxc8Bt5OSlC5VWpy5nbHGxhkkWGbHEWEa++nVMazM5b48YCRDMIkuDNIg8t3VKDHLDeNqTEU9yXTacMYETpvGwTwEcFQQxOdVb71eYE5dI9zJgRrQH/tbWyU+O7NEMo9QT3vwmS0Z2kBEMhcwXOxXskX7Nkr30VKHdSgHalRwqkISBMXkPbZtWdJYeTDne4xniBUbJXBAZgl1eFjMK/8Yw0+6h/jdvfAT5XdevMMaJa7zk1QfCCOpFXhZWdx3tmYa2NDGlREXG6lTGldhV3EcxDTvql0QrboA==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "Phil Dennis-Jordan <phil@philjordan.eu>,\n Paolo Bonzini <pbonzini@redhat.com>,\n =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>, =?utf-8?q?Phil?=\n\t=?utf-8?q?ippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>,\n Pedro Barbuda <pbarbuda@microsoft.com>, Wei Liu <wei.liu@kernel.org>,\n\t=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Roman Bolshakov <rbolshakov@ddn.com>,\n Pierrick Bouvier <pierrick.bouvier@linaro.org>,\n Mohamed Mediouni <mohamed@unpredictable.fr>", "Subject": "[PATCH v4 3/3] target/i386: emulate: LOG_GUEST_ERROR for read/write\n from unmapped MMIO", "Date": "Thu, 26 Mar 2026 20:33:58 +0100", "Message-ID": "<20260326193358.97858-4-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260326193358.97858-1-mohamed@unpredictable.fr>", "References": "<20260326193358.97858-1-mohamed@unpredictable.fr>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMzI2MDE0MCBTYWx0ZWRfX7bkJg4KJjHqx\n Y2UlP036K545eB8QDnYsUn4X061uokenZrUHFhVW2J++l2O+mvmLqzSh/hrBMpsZPNSKv769DE1\n n2SrCRIcKVpBya0fhvgutaRbY+KC4or3Qr7jF5LYlQgnnorlQ2trvbrFcGEXfU5lWSZvK6tRb3W\n 9r4KEVC0fYdJ4UL5sAq27yI3UWPaF86Ack8BDdWSwCwC1gzsNkfhEj+5DSeBY0PwElOG9e0RQuH\n DeBDf+Kp7s1MxXq5Le4ROZuDsjv3WI5FibNsncaBWqSeXq0+57AhlFdDB9FoKyHobvxqkbNUKWI\n 9bc9LLe4cyhk7w+AWdJEY+uEy5jul1ilJm4dsq3lUAeE67Xz7oeSxs3XCxxYQQ=", "X-Proofpoint-GUID": "DflkSL2ILQZBND7uvsv4YPtxxvZ1pa8Q", "X-Proofpoint-ORIG-GUID": "DflkSL2ILQZBND7uvsv4YPtxxvZ1pa8Q", "X-Authority-Info-Out": "v=2.4 cv=QuJTHFyd c=1 sm=1 tr=0 ts=69c58a30\n cx=c_apl:c_pps:t_out a=2G65uMN5HjSv0sBfM2Yj2w==:117\n a=2G65uMN5HjSv0sBfM2Yj2w==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=nKRBnGPCAAAA:8 a=Sxs32ympW3d1JLnkQCIA:9 a=JhrwjW1jOIvqYJKOqOMI:22", "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 clxscore=1030\n adultscore=0 suspectscore=0 malwarescore=0 spamscore=0 mlxscore=0\n lowpriorityscore=0 mlxlogscore=989 phishscore=0 bulkscore=0 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2603260140", "Received-SPF": "pass client-ip=57.103.88.58;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.ci.icloud.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 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_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-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 <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": "ReactOS's install ISO does a bunch of 4-byte accesses\nto 0xffdff124. This doesn't happen for the boot ISO.\n\nIt looks to be an access relative to the Windows KPCR\nwhich is at 0xffdff000 but mistakenly done prior to\npaging being on...\n\nhttps://geoffchappell.com/studies/windows/km/ntoskrnl/inc/ntos/i386_x/kpcr.htm\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/i386/emulate/x86_mmu.c | 6 +++---\n 1 file changed, 3 insertions(+), 3 deletions(-)", "diff": "diff --git a/target/i386/emulate/x86_mmu.c b/target/i386/emulate/x86_mmu.c\nindex c69ae96acb..815d01d97f 100644\n--- a/target/i386/emulate/x86_mmu.c\n+++ b/target/i386/emulate/x86_mmu.c\n@@ -21,7 +21,7 @@\n #include \"cpu.h\"\n #include \"system/address-spaces.h\"\n #include \"system/memory.h\"\n-#include \"qemu/error-report.h\"\n+#include \"qemu/log.h\"\n #include \"emulate/x86.h\"\n #include \"emulate/x86_emu.h\"\n #include \"emulate/x86_mmu.h\"\n@@ -287,7 +287,7 @@ 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+ qemu_log_mask(LOG_GUEST_ERROR, \"write to unmapped mmio region gpa=0x%\" PRIx64 \" size=%i\", 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 +339,7 @@ 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+ qemu_log_mask(LOG_GUEST_ERROR, \"read from unmapped mmio region gpa=0x%\" PRIx64 \" size=%i\", 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": [ "v4", "3/3" ] }