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{ "id": 2196562, "url": "http://patchwork.ozlabs.org/api/covers/2196562/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260215052225.22513-1-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": "<20260215052225.22513-1-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-02-15T05:22:11", "name": "[v3,00/14] 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/20260215052225.22513-1-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 492201, "url": "http://patchwork.ozlabs.org/api/series/492201/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492201", "date": "2026-02-15T05:22:12", "name": "whpx: x86 updates (2026-02)", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/492201/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2196562/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=QVA3j0qw;\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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Sun, 15 Feb 2026 00:22:38 -0500", "from outbound.mr.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-west-2a-60-percent-1 (Postfix) with ESMTPS id\n DFEAA180010D; Sun, 15 Feb 2026 05:22:32 +0000 (UTC)", "from localhost.localdomain (unknown [17.57.152.38])\n by p00-icloudmta-asmtp-us-west-2a-60-percent-1 (Postfix) with ESMTPSA id\n 3CB891800103; Sun, 15 Feb 2026 05:22:29 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1771132954; x=1773724954;\n bh=5r6MQJEJ3iESg5UlG2XKuo1X6toQ1yNHBuwcqgZU86U=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:x-icloud-hme;\n b=QVA3j0qw3oFDGgmjDolq1IAu3vsHBMA+AjdTnonuu7yhnJosIKNgPqLwDd3kkRq0gPEy7t0zWkv5eJ63T0bGBMsD7ol+yF73CK4LUwaJRgpqwq1JhaW3z3R6p791LCfq2dFxPbL+h6YOTHqmnDLBZiPf4xW3jSHfS6jwNWooJ5sbZF7a6yYzg1+RB8lRNs6fUA8gvYcFu7YVHsnpsbvk17rU9KyTll0ZMGmTSpbSLXbk4i5KcKiEVnrvHaqOQzGKnb0hNQG92voQUMvY8R3M4DImeGgHzKosqRojyrOrmZPk2MhhfCvxTKonuMbSiq0N+meDRSkuUG4CcvP15y31iQ==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "Phil Dennis-Jordan <phil@philjordan.eu>,\n Bernhard Beschow <shentey@gmail.com>, Cameron Esfahani <dirty@apple.com>,\n Magnus Kulke <magnuskulke@linux.microsoft.com>, qemu-arm@nongnu.org,\n Peter Maydell <peter.maydell@linaro.org>,\n Roman Bolshakov <rbolshakov@ddn.com>, Paolo Bonzini <pbonzini@redhat.com>,\n Mohamed Mediouni <mohamed@unpredictable.fr>,\n Pedro Barbuda <pbarbuda@microsoft.com>,\n =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>, =?utf-8?q?Marc?=\n\t=?utf-8?q?-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Magnus Kulke <magnus.kulke@linux.microsoft.com>, =?utf-8?q?Philippe_Mathieu?=\n\t=?utf-8?q?-Daud=C3=A9?= <philmd@linaro.org>, Wei Liu <wei.liu@kernel.org>,\n Zhao Liu <zhao1.liu@intel.com>", "Subject": "[PATCH v3 00/14] whpx: x86 updates (2026-02)", "Date": "Sun, 15 Feb 2026 06:22:11 +0100", "Message-ID": "<20260215052225.22513-1-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "MIME-Version": "1.0", "Content-Type": "text/plain; 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helo=outbound.mr.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,\n SPF_PASS=-0.001 autolearn=unavailable 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- target/i386/emulate fixes\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 v2:\n- Take target/i386/emulate patches from Bernhard Beschow\nhttps://lore.kernel.org/qemu-devel/20260214131659.31378-1-shentey@gmail.com/\n- Rework state levels to an enum\n- Skip some state loading on the registers save path too\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\nBernhard Beschow (3):\n target/i386/emulate/x86_decode: Fix compiler warning\n target/i386/hvf/x86_mmu: Fix compiler warning\n target/i386/emulate/x86_decode: Actually use stream in\n decode_instruction_stream()\n\nMohamed Mediouni (11):\n target/i386: emulate, hvf: move x86_mmu to common code\n whpx: i386: re-enable guest debug support\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: i386: switch over from winhvemulation to target/i386/emulate\n whpx: i386: remove remaining winhvemulation support code\n whpx: i386: remove messages\n whpx: i386: remove CPUID trapping\n whpx: common, i386, arm: rework state levels\n whpx: i386: saving/restoring less state for\n WHPX_LEVEL_FAST_RUNTIME_STATE\n\n accel/whpx/whpx-accel-ops.c | 8 +\n accel/whpx/whpx-common.c | 68 +++--\n include/system/whpx-accel-ops.h | 16 +-\n include/system/whpx-all.h | 11 +-\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 | 41 +--\n target/i386/cpu.h | 2 +-\n target/i386/emulate/meson.build | 2 +\n target/i386/emulate/x86_decode.c | 6 +-\n target/i386/{hvf => emulate}/x86_mmu.c | 20 +-\n target/i386/{hvf => emulate}/x86_mmu.h | 0\n target/i386/hvf/hvf.c | 10 +-\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 | 391 +++++++++----------------\n 19 files changed, 253 insertions(+), 356 deletions(-)\n rename target/i386/{hvf => emulate}/x86_mmu.c (92%)\n rename target/i386/{hvf => emulate}/x86_mmu.h (100%)" }