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{ "id": 2196188, "url": "http://patchwork.ozlabs.org/api/covers/2196188/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260213034556.13471-1-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": "<20260213034556.13471-1-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-02-13T03:45:43", "name": "[v2,00/10] whpx: x86 updates (2026-02)", "submitter": { "id": 91318, "url": "http://patchwork.ozlabs.org/api/people/91318/?format=api", "name": "Mohamed Mediouni", "email": "mohamed@unpredictable.fr" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260213034556.13471-1-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 492055, "url": "http://patchwork.ozlabs.org/api/series/492055/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492055", "date": "2026-02-13T03:45:43", "name": "whpx: x86 updates (2026-02)", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/492055/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2196188/comments/", "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=d6fo7RBw;\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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Thu, 12 Feb 2026 22:46:14 -0500", "from outbound.pv.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-west-1a-60-percent-11 (Postfix) with ESMTPS id\n E149518002D3; Fri, 13 Feb 2026 03:46:04 +0000 (UTC)", "from localhost.localdomain (unknown [17.56.9.36])\n by p00-icloudmta-asmtp-us-west-1a-60-percent-11 (Postfix) with ESMTPSA id\n B7DAB18002D0; Fri, 13 Feb 2026 03:46:00 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1770954368; x=1773546368;\n bh=5/IltRImc6gegLCsNoWDi+eINUGJYWBjLLMmPMJ7ibM=;\n h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version:x-icloud-hme;\n b=d6fo7RBwXYh75+EKvs6HoLb9vmeXYWUcB3EjkWrCgUyJwwGDBpqWQfSqBKDbyo2d1sVgHQCsEHuQze6m0FhpytHRuC/ek46E/8RmefVaxhB+5iNEQEgiwnKCgmvtWtgICfJkobpskf0rGKGpyZ/cC3FJhsrIhq5F8wUeM1JbWa4z15FcubEV3ZICGTn0Ctq98MmNczXOg33BRS1JlfwDq+XiRY9xZTGrS9gKKu0ENmxC8D14/7V6a06gJ+ewri+/5HV0m54C3wf4Qp91V5bUzM8ngeUC2gclXT4jFF3cOxiIL3qr3oVgcyTkl+h4aCjK1UkYBS7BAnUvSg3N/0ddCA==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Magnus Kulke <magnuskulke@linux.microsoft.com>, =?utf-8?q?Philippe_Mathieu-?=\n\t=?utf-8?q?Daud=C3=A9?= <philmd@linaro.org>,\n Bernhard Beschow <shentey@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>,\n Mohamed Mediouni <mohamed@unpredictable.fr>, Wei Liu <wei.liu@kernel.org>,\n Pedro Barbuda <pbarbuda@microsoft.com>, Cameron Esfahani <dirty@apple.com>,\n Peter Maydell <peter.maydell@linaro.org>,\n Phil Dennis-Jordan <phil@philjordan.eu>, Zhao Liu <zhao1.liu@intel.com>,\n Roman Bolshakov <rbolshakov@ddn.com>,\n =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>", "Subject": "[PATCH v2 00/10] whpx: x86 updates (2026-02)", "Date": "Fri, 13 Feb 2026 04:45:43 +0100", "Message-ID": "<20260213034556.13471-1-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "Content-Type": "text/plain; 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helo=outbound.pv.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": "x86_64 WHPX updates:\n\n- move HVF x86_mmu code to common code\n- fixing debug support, which was broken since around: \"gdbstub: move guest debug support check to ops\"\na48e7d9e52f8fe8b47f4c74f3e99d9d677b87fe5\n- switch over from winhvemulation to common x86 VM exit emulation code\n- remove some log lines\n- Remove WHPX CPUID traps as they're currently quite broken\n\nChanges added since v1:\n- move HVF x86_mmu code to common code\n- Use x86_mmu in WHPX MMIO exits\n- Remove WHPX CPUID traps as they're currently quite broken\n- Optimise MMIO vmexits by not restoring the full state\n\nMohamed Mediouni (10):\n target/i386: emulate, hvf: move x86_mmu to common code\n whpx: re-enable guest debug support on x86\n whpx: preparatory changes before switching over from winhvemulation\n whpx: refactor whpx_destroy_vcpu to arch-specific function\n whpx: move whpx_get_reg/whpx_set_reg to generic code\n whpx: x86: switch over from winhvemulation to target/i386/emulate\n whpx: remove remaining winhvemulation support code\n whpx: x86: remove messages\n whpx: i386: remove CPUID trapping\n whpx: x86: optimise MMIO vmexit by only restoring needed registers\n\n accel/whpx/whpx-accel-ops.c | 8 +\n accel/whpx/whpx-common.c | 62 ++--\n include/system/whpx-accel-ops.h | 8 +-\n include/system/whpx-all.h | 5 +\n include/system/whpx-common.h | 6 +-\n include/system/whpx-internal.h | 16 --\n meson.build | 3 +-\n target/arm/whpx/whpx-all.c | 33 +--\n target/i386/cpu.h | 2 +-\n target/i386/emulate/meson.build | 2 +\n target/i386/{hvf => emulate}/x86_mmu.c | 14 +-\n target/i386/{hvf => emulate}/x86_mmu.h | 0\n target/i386/hvf/hvf.c | 6 +-\n target/i386/hvf/meson.build | 1 -\n target/i386/hvf/x86.c | 2 +-\n target/i386/hvf/x86_task.c | 2 +-\n target/i386/mshv/meson.build | 4 +\n target/i386/whpx/whpx-all.c | 373 +++++++++----------------\n 18 files changed, 217 insertions(+), 330 deletions(-)\n rename target/i386/{hvf => emulate}/x86_mmu.c (95%)\n rename target/i386/{hvf => emulate}/x86_mmu.h (100%)" }