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GET /api/patches/2215424/?format=api
{ "id": 2215424, "url": "http://patchwork.ozlabs.org/api/patches/2215424/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260324151323.74473-8-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": "<20260324151323.74473-8-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-03-24T15:13:18", "name": "[v3,07/12] whpx: i386: add implementation of new x86_emul_ops", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ecfbb7fd18f6962939b9a999bee2bf8d2b281a6d", "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/20260324151323.74473-8-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 497303, "url": "http://patchwork.ozlabs.org/api/series/497303/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497303", "date": "2026-03-24T15:13:13", "name": "whpx: i386: Windows 10 and performance fixes", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/497303/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2215424/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2215424/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=KNOYka9Y;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Tue, 24 Mar 2026 11:14:45 -0400", "from outbound.st.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-east-1a-60-percent-7 (Postfix) with ESMTPS id\n DF6D51852A0C; Tue, 24 Mar 2026 15:14:31 +0000 (UTC)", "from localhost.localdomain (unknown [17.42.251.67])\n by p00-icloudmta-asmtp-us-east-1a-60-percent-7 (Postfix) with ESMTPSA id\n BABFE1814D21; Tue, 24 Mar 2026 15:13:49 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1774365274; x=1776957274;\n bh=xmiWoWUwFQC07+7l4Wa/YhNMVuZwBdr5x6NXirvfyaw=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=KNOYka9YgcZKTah1n5NV67T8959OyRrJ7xHv/dR5ImCyD7Op7mJ8zy7tTl0aSfpxiu0zHZfqVWC0kfyxKqaQ0Be1ffPiL+gLv8kdWHWkL97j1kJsiI/C7EyU+TvRhTrScHhJgdlYUDXsh98nDQURcxx+RKcl3xHliX5jnKR8iu99TgNt9tfctYYnvoM5e9F+m1L2R/NDlWm7XX4ZxRWGdI8r6fhpMNQFBW1G87AweUkctPqAq/wU/n5gyliiaVCccw2MRfcyf8ftNue0Zb4I5aVBTgjtUMtBAKC2Dn6I+lRR+PHNI96crwbu1RCvb4Z7seRfMQGwGzp8HCwLwb1Mxg==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "Roman Bolshakov <rbolshakov@ddn.com>,\n Mohamed Mediouni <mohamed@unpredictable.fr>, Wei Liu <wei.liu@kernel.org>,\n Phil Dennis-Jordan <phil@philjordan.eu>,\n Pedro Barbuda <pbarbuda@microsoft.com>", "Subject": "[PATCH v3 07/12] whpx: i386: add implementation of new x86_emul_ops", "Date": "Tue, 24 Mar 2026 16:13:18 +0100", "Message-ID": "<20260324151323.74473-8-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260324151323.74473-1-mohamed@unpredictable.fr>", "References": "<20260324151323.74473-1-mohamed@unpredictable.fr>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Proofpoint-GUID": "6xZU7F-r9s6-5xQNGfxKGQHbDVc91LV2", "X-Proofpoint-ORIG-GUID": "6xZU7F-r9s6-5xQNGfxKGQHbDVc91LV2", "X-Authority-Info-Out": "v=2.4 cv=f6dFxeyM c=1 sm=1 tr=0 ts=69c2aa58\n cx=c_apl:c_pps:t_out a=YrL12D//S6tul8v/L+6tKg==:117\n a=YrL12D//S6tul8v/L+6tKg==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=od5n6cu0qASRTXmq4OYA:9", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMzI0MDExOSBTYWx0ZWRfX1/AMjzSpGEKz\n pYl3p955YAfx8lD58t/ss+zNV6+5ezqMu1F+ujwF78BG72pRDRnvuyZSrRQ9vefMIrzfzNgVNdX\n BXx0mpJUdzjsmZ6wnfejtvbBTwGSqT2WhJYCeNGUjsjugB73COgcGzNuXFu/3MQ4Ckjxjw37l+1\n CKl/dPbFOqPOrWoE0212CpvWdli0dDcJjUntSw00IdwHQsbD8bSU0R6nyaxgFEuLIIxIx+a8abF\n x7iV1vR8suPVhqXjeM1Vywa8NFhw8PKQNQCT5/69FBQMcnqzpzZ9i0Vs5SLLLnto4jCwnwhpmA/\n 3xMkT126np/E36nvkO1CpgnrTJWAcZJoBcrmmhahmqGp9SN/ooE6847ZVrADYQ=", "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=2026-03-24_03,2026-03-23_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=notspam policy=default score=0\n lowpriorityscore=0 suspectscore=0 mlxlogscore=919 malwarescore=0 mlxscore=0\n adultscore=0 bulkscore=0 clxscore=1030 phishscore=0 spamscore=0\n classifier=spam authscore=0 adjust=0 reason=mlx scancount=1\n engine=8.22.0-2601150000 definitions=main-2603240119", "Received-SPF": "pass client-ip=57.103.78.10;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.st.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_CERTIFIED_BLOCKED=0.001,\n RCVD_IN_VALIDITY_RPBL_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": "target/i386/emulate now has new ops for fetching whether the guest is in\nprotected mode, long mode or user mode without fetching control\nregisters.\n\nUse those for faster vmexits.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/i386/whpx/whpx-all.c | 24 +++++++++++++++++++++++-\n 1 file changed, 23 insertions(+), 1 deletion(-)", "diff": "diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c\nindex 69d141e7cc..b97dc9fd51 100644\n--- a/target/i386/whpx/whpx-all.c\n+++ b/target/i386/whpx/whpx-all.c\n@@ -885,10 +885,32 @@ static void read_segment_descriptor(CPUState *cpu,\n }\n }\n \n+static bool is_protected_mode(CPUState *cpu)\n+{\n+ AccelCPUState *vcpu = cpu->accel;\n+\n+ return vcpu->exit_ctx.VpContext.ExecutionState.Cr0Pe == 1;\n+}\n+\n+static bool is_long_mode(CPUState *cpu)\n+{\n+ AccelCPUState *vcpu = cpu->accel;\n+\n+ return vcpu->exit_ctx.VpContext.ExecutionState.EferLma == 1;\n+}\n+\n+static bool is_user_mode(CPUState *cpu)\n+{\n+ AccelCPUState *vcpu = cpu->accel;\n+ return vcpu->exit_ctx.VpContext.ExecutionState.Cpl == 3;\n+}\n \n static const struct x86_emul_ops whpx_x86_emul_ops = {\n .read_segment_descriptor = read_segment_descriptor,\n- .handle_io = handle_io\n+ .handle_io = handle_io,\n+ .is_protected_mode = is_protected_mode,\n+ .is_long_mode = is_long_mode,\n+ .is_user_mode = is_user_mode\n };\n \n static void whpx_init_emu(void)\n", "prefixes": [ "v3", "07/12" ] }