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GET /api/patches/2216618/?format=api
{ "id": 2216618, "url": "http://patchwork.ozlabs.org/api/patches/2216618/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260326233130.59392-7-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": "<20260326233130.59392-7-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-03-26T23:31:30", "name": "[v5,6/6] target/i386: emulate: emulate SLDT and STR", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "30f98384ad2b60df602a35377b3698c133b62945", "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/20260326233130.59392-7-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 497667, "url": "http://patchwork.ozlabs.org/api/series/497667/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497667", "date": "2026-03-26T23:31:27", "name": "whpx: i386: even more updates", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/497667/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216618/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216618/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=N59A2/wH;\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 4fhg703bg3z1y1j\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 27 Mar 2026 10:32:44 +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 1w5uBB-00089E-2O; Thu, 26 Mar 2026 19:31:57 -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 1w5uB5-00087W-8a\n for qemu-devel@nongnu.org; Thu, 26 Mar 2026 19:31:54 -0400", "from ci-2002d-snip4-8.eps.apple.com ([57.103.88.169]\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 1w5uB3-0003qX-6T\n for qemu-devel@nongnu.org; Thu, 26 Mar 2026 19:31:50 -0400", "from outbound.ci.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-central-1k-10-percent-0 (Postfix) with ESMTPS id\n 761BF180088B; Thu, 26 Mar 2026 23:31:46 +0000 (UTC)", "from localhost.localdomain (unknown [17.57.156.36])\n by p00-icloudmta-asmtp-us-central-1k-10-percent-0 (Postfix) with ESMTPSA id\n 44FC91800128; Thu, 26 Mar 2026 23:31:44 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1774567908; x=1777159908;\n bh=hKEJoh4ZK0FFxEPysK5m7KR7gOdokjPvbVT9IIB4jTk=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=N59A2/wHa7b9uxSCuece/GOCgaEDJvK+3TgSq9uTjZaIdRwjjpHUbBzuSewUoJhe7ZSKD7Pc9hcd8ocfqVoFQEc33o3zUwZzNEFMc8/lXkeLAS/E9TPhe+OmiHHTijgyD5K/Im3C2qYRBUmAwCim9aRZdM/Sj9hkv6aFdpa9OfxfqowMZTEXom5vLOt3YISLvHO3oOfQC+bYVDIfs3cvjeecpZgze/VeUEv5vp872Tx/o48hqhMIL1ECbBoamQnUVrFFCKTpaCdmf+j7zJGOVl/G0farSNvdcejFax75wpyV2udux4hYgNS/UsSBnE6L3MppmXrdPgOU2zHE540QrQ==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "Magnus Kulke <magnuskulke@linux.microsoft.com>,\n Mohamed Mediouni <mohamed@unpredictable.fr>,\n Pierrick Bouvier <pierrick.bouvier@linaro.org>, =?utf-8?q?Marc-Andr=C3=A9_L?=\n\t=?utf-8?q?ureau?= <marcandre.lureau@redhat.com>,\n Paolo Bonzini <pbonzini@redhat.com>, Wei Liu <wei.liu@kernel.org>,\n Pedro Barbuda <pbarbuda@microsoft.com>, =?utf-8?q?Philippe_Mathieu-Daud?=\n\t=?utf-8?q?=C3=A9?= <philmd@linaro.org>,\n =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>,\n Roman Bolshakov <rbolshakov@ddn.com>, Phil Dennis-Jordan <phil@philjordan.eu>", "Subject": "[PATCH v5 6/6] target/i386: emulate: emulate SLDT and STR", "Date": "Fri, 27 Mar 2026 00:31:30 +0100", "Message-ID": "<20260326233130.59392-7-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260326233130.59392-1-mohamed@unpredictable.fr>", "References": "<20260326233130.59392-1-mohamed@unpredictable.fr>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Proofpoint-GUID": "sHnvFcskANbVaD-jyEe-y4qahMCdJ7dE", "X-Authority-Info-Out": "v=2.4 cv=PPsCOPqC c=1 sm=1 tr=0 ts=69c5c1e3\n cx=c_apl:c_pps:t_out a=2G65uMN5HjSv0sBfM2Yj2w==:117\n a=2G65uMN5HjSv0sBfM2Yj2w==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=p0WdMEafAAAA:8 a=h0iFb2CXyTZTJYbVGV0A:9", "X-Proofpoint-ORIG-GUID": "sHnvFcskANbVaD-jyEe-y4qahMCdJ7dE", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMzI2MDE2NyBTYWx0ZWRfX9u0oB/qFs8/u\n 4+vZwte520H0nbCOeIKIapX5SINcHLbUghESbj/hhsGcybo20r3TqI9aRPYgsjWrnP9hjWkUoXm\n 2m4on3e7cid8DWpRBgm544c+U2fZot91I9IdJL4X6off4TSoxoCTT7WDSIOZ1Chldz4/NL6Pdpr\n XrfG8RekiEJMTJfcBqpRXbRmq2am7E30+E8CYLDJBgORPCw0S5KCeQFnjNNgDOxMmq8J/SclS2X\n wpbvES6KgEWe8Mud/q5BglbyGWxsZ8Rz0BmApYyRvANJQZgjFYR1bx5yNdENdlD2hUTj6w7E2vf\n aYd9Mw5cPbRCJGpfP3t8BWZjzeERJhJ8FTUXNzC0V1S5MZS16RxgaSsPf8adtE=", "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 adultscore=0\n mlxscore=0 bulkscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0\n mlxlogscore=794 suspectscore=0 clxscore=1030 phishscore=0 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2603260167", "Received-SPF": "pass client-ip=57.103.88.169;\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": "Never saw that one being trapped and could not reproduce on AMD.\nBut from the QEMU bug tracker, that looks like another story on\nIntel processors.\n\nPresent in \"whpx_failures.txt\" on\nhttps://gitlab.com/qemu-project/qemu/-/work_items/3349#note_3195249254\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/i386/emulate/x86_emu.c | 18 ++++++++++++++++++\n 1 file changed, 18 insertions(+)", "diff": "diff --git a/target/i386/emulate/x86_emu.c b/target/i386/emulate/x86_emu.c\nindex c2da1a133f..e6e6500ea5 100644\n--- a/target/i386/emulate/x86_emu.c\n+++ b/target/i386/emulate/x86_emu.c\n@@ -1338,6 +1338,22 @@ static bool exec_xadd(CPUX86State *env, struct x86_decode *decode)\n return 0;\n }\n \n+static bool exec_sldt(CPUX86State *env, struct x86_decode *decode)\n+{\n+ x86_segment_selector seg = emul_ops->read_segment_selector(env_cpu(env), R_LDTR);\n+ write_val_ext(env, &decode->op[0], seg.sel, 2);\n+ env->eip += decode->len;\n+ return 0;\n+}\n+\n+static bool exec_str(CPUX86State *env, struct x86_decode *decode)\n+{\n+ x86_segment_selector seg = emul_ops->read_segment_selector(env_cpu(env), R_TR);\n+ write_val_ext(env, &decode->op[0], seg.sel, 2);\n+ env->eip += decode->len;\n+ return 0;\n+}\n+\n static struct cmd_handler {\n enum x86_decode_cmd cmd;\n bool (*handler)(CPUX86State *env, struct x86_decode *ins);\n@@ -1382,6 +1398,8 @@ static struct cmd_handler {\n {X86_DECODE_CMD_MOVSX, exec_movsx},\n {X86_DECODE_CMD_XCHG, exec_xchg},\n {X86_DECODE_CMD_XADD, exec_xadd},\n+ {X86_DECODE_CMD_SLDT, exec_sldt},\n+ {X86_DECODE_CMD_STR, exec_str}\n };\n \n static struct cmd_handler _cmd_handler[X86_DECODE_CMD_LAST];\n", "prefixes": [ "v5", "6/6" ] }