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{ "id": 2198256, "url": "http://patchwork.ozlabs.org/api/1.0/covers/2198256/?format=api", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.0/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": "" }, "msgid": "<20260219171810.602667-1-alex.bennee@linaro.org>", "date": "2026-02-19T17:17:56", "name": "[RFC,v2,00/14] cpu_reset clean-ups for arm, alpha, mips, m68k and tricore", "submitter": { "id": 39532, "url": "http://patchwork.ozlabs.org/api/1.0/people/39532/?format=api", "name": "Alex Bennée", "email": "alex.bennee@linaro.org" }, "series": [ { "id": 492705, "url": "http://patchwork.ozlabs.org/api/1.0/series/492705/?format=api", "date": "2026-02-19T17:17:57", "name": "cpu_reset clean-ups for arm, alpha, mips, m68k and tricore", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/492705/mbox/" } ], "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=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=dqebgeBI;\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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charset=\"utf-8\"", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::62c;\n envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x62c.google.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_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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": "We tend to apply cpu_reset inconsistently throughout our various\nmodels which leads to unintended ordering dependencies. This got in\nthe way in my last plugins series:\n\n https://patchew.org/QEMU/20251219190849.238323-1-alex.bennee@linaro.org/\n\nwhere I needed to shuffle things around to ensure that gdb register\ncreation was done after dependant peripherals had created their cpu\ninterfaces.\n\nRegardless of that we do have a proper reset interface now and most\narchitectures have moved to it. This series attempts to clean-up the\nremaining cases with proper qemu_register_reset() calls so reset is\ncalled when we intend to.\n\nv2\n\nI re-span this to address the missing cpu_reset Akihiko found\ntroubling the alpha replay test:\n\n Message-Id: <20260217-alpha-v1-0-0dcc708c9db3@rsg.ci.i.u-tokyo.ac.jp>\n Date: Tue, 17 Feb 2026 15:34:28 +0900\n Subject: [PATCH 0/2] Reapply \"rcu: Unify force quiescent state\"\n From: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>\n\nI also dropped the use of qemu_register_reset in favour of the proper\n3-phase APIs.\n\nAlex.\n\nAlex Bennée (14):\n target/m68k: clean-up includes in cpu.c\n target/m68k: initialise pc/sp vector during reset\n hw/m68k: transition virt machine to multi-phase reset\n hw/m68k: update nextcube to 3-phase reset\n hw/m68k: update mcf5208evb to 3-phase reset\n hw/m68k: update an5206 to 3-phase reset\n hw/mips: defer finalising gcr_base until reset time\n hw/mips: drop cpu_reset in mips_cpu_realizefn\n target/tricore: move cpu_reset from tricore_cpu_realizefn\n target/arm: remove extraneous cpu_reset from realizefn\n hw/alpha: remove unused includes\n hw/alpha: add a reset function for the clipper machine\n target/alpha: move cpu reset into a proper reset function\n include/hw: expand cpu_reset function docs\n\n include/hw/core/cpu.h | 3 +++\n include/hw/mips/cps.h | 14 +++++++++++++-\n target/alpha/cpu.h | 2 ++\n target/m68k/cpu.h | 2 ++\n hw/alpha/dp264.c | 12 ++++++++++--\n hw/m68k/an5206.c | 23 ++++++++++++++++-------\n hw/m68k/mcf5208.c | 26 ++++++++++++--------------\n hw/m68k/next-cube.c | 23 +++++++++++++++++------\n hw/m68k/virt.c | 34 ++++++++++------------------------\n hw/mips/cps.c | 26 +++++++++++++++++---------\n hw/misc/mips_cmgcr.c | 1 -\n target/alpha/cpu.c | 10 ++++++----\n target/arm/cpu.c | 1 -\n target/m68k/cpu.c | 41 +++++++++++++++++++++++++++++++++--------\n target/mips/cpu.c | 1 -\n target/tricore/cpu.c | 9 ++++++++-\n 16 files changed, 149 insertions(+), 79 deletions(-)" }