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GET /api/patches/2216615/?format=api
{ "id": 2216615, "url": "http://patchwork.ozlabs.org/api/patches/2216615/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260326233130.59392-5-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": "<20260326233130.59392-5-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-03-26T23:31:28", "name": "[v5,4/6] target/i386/emulate, whpx, hvf, mshv: add read_segment_selector", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "045da55ef3c2ec0ac441d7e4b048899bc7564275", "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/20260326233130.59392-5-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/2216615/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216615/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=MbgqTUuF;\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 4fhg6P2xjDz1y1j\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 27 Mar 2026 10:32:13 +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 1w5uB8-00088I-Pr; Thu, 26 Mar 2026 19:31:54 -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 1w5uB3-00087L-ML\n for qemu-devel@nongnu.org; Thu, 26 Mar 2026 19:31:49 -0400", "from ci-2002f-snip4-10.eps.apple.com ([57.103.88.190]\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 1w5uB2-0003ph-06\n for qemu-devel@nongnu.org; Thu, 26 Mar 2026 19:31:49 -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 EF6DB1800103; Thu, 26 Mar 2026 23:31:42 +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 985011800224; Thu, 26 Mar 2026 23:31:40 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1774567905; x=1777159905;\n bh=9F76Cc23dABknhkRSAI7rbUjPIKVT+f9IPw6XaqJqx4=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=MbgqTUuFwmpe6R5dxEcaBHfEeDZTuD+AqaTVr80X/BLb6gLzftGBxZ0iwd88lWqrnHaADMyyc6zFGY7ryZIDYmqJb2sk07uYMzDkpStVbbzrnCbEurcHATkzJKjxoBvkFfMChi+EEBXCtBmB+nCMKu4mX64LXKPZ0/jNBqGL+SXyNHBP6aDKsiD/gu9coKIUK51tqGVZHj0ShM+V7xPvAtHikhLY80wtAHgchxeFVHDnYPbotY0POceIZ8BYbVV7kb7h+0qrXV6NrhdSae7lms1kbjOn5ybexCKQYgfwjp1xWjrSGjQGSqqsXqRxhbXvqwHROJvctT6nSp/PWkrk0A==", "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 4/6] target/i386/emulate, whpx, hvf,\n mshv: add read_segment_selector", "Date": "Fri, 27 Mar 2026 00:31:28 +0100", "Message-ID": "<20260326233130.59392-5-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": "fgbLqZLycrHx6-bghaemGGI_1oidSlaq", "X-Authority-Info-Out": "v=2.4 cv=PPsCOPqC c=1 sm=1 tr=0 ts=69c5c1e0\n cx=c_apl:c_pps:t_out a=2G65uMN5HjSv0sBfM2Yj2w==:117\n a=2G65uMN5HjSv0sBfM2Yj2w==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=iZGBPGrxHaysoRuNUwEA:9", "X-Proofpoint-ORIG-GUID": "fgbLqZLycrHx6-bghaemGGI_1oidSlaq", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMzI2MDE2NyBTYWx0ZWRfX3uxqfl7Wgvwl\n AEIQ6I7sqmnPzEDUMKCOy9mNilx5BGkWjHkA26kS59z0lxY+wr3W0V8n6rjEBfyu1b2DkzPJhKC\n A75jUnNk39B52ZzvM5SCqG1CRSv4kGRWdpZNV0WNw4PBgeRvmO9/i0mIAjjhqjR8KAZlSeNZZK2\n wcUSwp6fTCeFHkTLb3yakXqzbl3EI/pFA3syIBQ2y0f+E5mHA11dGYmxrEFJ9V/icok1CwTgdRm\n TRMqXTNUHYgNsU39Dbh8eFlF6G48v9HI+IhU7GfcYfzzxeMyYUE/hv4Lo88atvn8z39mj++WabQ\n +k3mSOLixbDeZlDB7kY8h3w/WNne6tdLCBnzxrHjQ87yvMIRChwOXQL6B9/cGY=", "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=999 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=57.103.88.190;\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": "Opens the door to implement SLDT in the instruction emulator.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/i386/emulate/x86_emu.h | 1 +\n target/i386/hvf/hvf.c | 1 +\n target/i386/mshv/mshv-cpu.c | 11 +++++++++++\n target/i386/whpx/whpx-all.c | 10 ++++++++++\n 4 files changed, 23 insertions(+)", "diff": "diff --git a/target/i386/emulate/x86_emu.h b/target/i386/emulate/x86_emu.h\nindex a8d4c93098..2397c24200 100644\n--- a/target/i386/emulate/x86_emu.h\n+++ b/target/i386/emulate/x86_emu.h\n@@ -28,6 +28,7 @@ struct x86_emul_ops {\n MMUTranslateResult (*mmu_gva_to_gpa) (CPUState *cpu, target_ulong gva, uint64_t *gpa, MMUTranslateFlags flags);\n void (*read_segment_descriptor)(CPUState *cpu, struct x86_segment_descriptor *desc,\n enum X86Seg seg);\n+ x86_segment_selector (*read_segment_selector)(CPUState *cpu, enum X86Seg seg);\n target_ulong (*read_cr) (CPUState *cpu, int cr);\n void (*handle_io)(CPUState *cpu, uint16_t port, void *data, int direction,\n int size, int count);\ndiff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c\nindex c0d028b147..8fda4429b3 100644\n--- a/target/i386/hvf/hvf.c\n+++ b/target/i386/hvf/hvf.c\n@@ -254,6 +254,7 @@ static void hvf_read_segment_descriptor(CPUState *s, struct x86_segment_descript\n \n static const struct x86_emul_ops hvf_x86_emul_ops = {\n .read_segment_descriptor = hvf_read_segment_descriptor,\n+ .read_segment_selector = vmx_read_segment_selector,\n .handle_io = hvf_handle_io,\n .simulate_rdmsr = hvf_simulate_rdmsr,\n .simulate_wrmsr = hvf_simulate_wrmsr,\ndiff --git a/target/i386/mshv/mshv-cpu.c b/target/i386/mshv/mshv-cpu.c\nindex 2bc978deb2..25e0de2eab 100644\n--- a/target/i386/mshv/mshv-cpu.c\n+++ b/target/i386/mshv/mshv-cpu.c\n@@ -1565,8 +1565,19 @@ static void read_segment_descriptor(CPUState *cpu,\n }\n }\n \n+static x86_segment_selector read_segment_selector(CPUState *cpu, enum X86Seg seg_idx)\n+{\n+ X86CPU *x86_cpu = X86_CPU(cpu);\n+ CPUX86State *env = &x86_cpu->env;\n+ SegmentCache *seg = &env->segs[seg_idx];\n+ x86_segment_selector sel = { .sel = seg->selector & 0xFFFF };\n+\n+ return sel;\n+}\n+\n static const struct x86_emul_ops mshv_x86_emul_ops = {\n .read_segment_descriptor = read_segment_descriptor,\n+ .read_segment_selector = read_segment_selector\n };\n \n void mshv_init_mmio_emu(void)\ndiff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c\nindex e56ae2b343..9a405118c5 100644\n--- a/target/i386/whpx/whpx-all.c\n+++ b/target/i386/whpx/whpx-all.c\n@@ -998,6 +998,15 @@ static void read_segment_descriptor(CPUState *cpu,\n whpx_segment_to_x86_descriptor(cpu, ®, desc);\n }\n \n+static x86_segment_selector read_segment_selector(CPUState *cpu, enum X86Seg seg_idx)\n+{\n+ WHV_X64_SEGMENT_REGISTER reg;\n+ x86_segment_selector sel;\n+ whpx_read_segment_descriptor(cpu, ®, seg_idx);\n+ sel.sel = reg.Selector & 0xFFFF;\n+ return sel;\n+}\n+\n static bool is_protected_mode(CPUState *cpu)\n {\n AccelCPUState *vcpu = cpu->accel;\n@@ -1049,6 +1058,7 @@ static target_ulong read_cr(CPUState *cpu, int cr)\n \n static const struct x86_emul_ops whpx_x86_emul_ops = {\n .read_segment_descriptor = read_segment_descriptor,\n+ .read_segment_selector = read_segment_selector,\n .handle_io = handle_io,\n .is_protected_mode = is_protected_mode,\n .is_long_mode = is_long_mode,\n", "prefixes": [ "v5", "4/6" ] }