From nobody Sat Feb 7 04:26:34 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1750458283; cv=none; d=zohomail.com; s=zohoarc; b=BC5KFAfYWo/XanMTT0kadskWVDpojjJFiRivt7eZZCRG+X1DS1TSWQEjEqTTKr24xQNgBjq2HRUAHm2lJYb53Ob5SVFPXd5EeKnGksR4CzYz2XyqqOAm2cbDkPJrdKxmHKv4XrZbQ1+4z7sOPr2zETA5x4Qh7MUJhWTgUU1lDAk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1750458283; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=X+4qrFz5UxRhB1xHQLBDc6jFqnnvLg3MMAjDFDMxhmQ=; b=a9Usvw+TknKT4tze4qmMdFmh+0g/RJQWCIMtbh1pRQ8/EQDH+yrhugexNzZPFqEKIcwa+HX+QlxOlqU1R29QRzUrWd65B7evCyyhqymeiE89gI/EY5r3oXsRENsYA0S8IrlNELab/uQ3KfF+RJ/9qCXg2FSRyJ51iQcfuCR1kCg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 17504582836641007.1208283816447; Fri, 20 Jun 2025 15:24:43 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uSk5w-0003qf-Fv; Fri, 20 Jun 2025 18:20:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uSfYM-0007Ac-Ge for qemu-devel@nongnu.org; Fri, 20 Jun 2025 13:29:26 -0400 Received: from mail-wm1-x334.google.com ([2a00:1450:4864:20::334]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uSfYL-0005wk-1u for qemu-devel@nongnu.org; Fri, 20 Jun 2025 13:29:26 -0400 Received: by mail-wm1-x334.google.com with SMTP id 5b1f17b1804b1-450cf214200so19986825e9.1 for ; Fri, 20 Jun 2025 10:29:24 -0700 (PDT) Received: from localhost.localdomain (101.red-95-127-63.dynamicip.rima-tde.net. [95.127.63.101]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a6d0f1054bsm2583987f8f.9.2025.06.20.10.29.20 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 20 Jun 2025 10:29:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750440563; x=1751045363; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=X+4qrFz5UxRhB1xHQLBDc6jFqnnvLg3MMAjDFDMxhmQ=; b=SPd2ykdjQFlc8XtGxYgdcXJBH3PQiWcgF74+E8CXujLuluEpUQgRgs5gJ+442y/wpY fTslZbIcomKlK42piylYRSk/qyZBc1PaDidcfcA1CcsV1gaLZIUOCfset58GOIJDSYwi Ln5wwdRCween4r50qjmxEOFF4UYvVz6sJ/jR7zZSideuGUHA422PhLoG/yFBb36ZE8Vf Nb87iS4pODoIJ88O8B02df8IiZWTACchhnIw32/RUs5P/Z5eyl8sksyn+NWPpjn673/j mfZiQQ0FymzCyQdCjBkuO+PlXg7vaQg1keJqBOTJ405AeOgREGOaE8WiyuscPSDKbg6k IStw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750440563; x=1751045363; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=X+4qrFz5UxRhB1xHQLBDc6jFqnnvLg3MMAjDFDMxhmQ=; b=nHn0XE6Q+Gd7uPe/LlgzsamgOG5LQSUEooHXC3u6yIwG6Qkuf9762bD1M8NXWzGzaK ysu/CRp8Tel3p3OM7P5y1VjPF4towNt3gWOmfZZv0ApGiVzSDOckE/agfSQO3MOaayou JCavTFGEylzfm3tEfY/gXqq/+Y8sW7VKXwVLlBmuxAOrUHGhBGUvYk4qDl30WvyiuAyO ytxFScooIWnT3YbNkcZr6irBwG4t8jul+XMmvrJcTJ7q6hiKVAWTqP+YHT1CUrxBtoCi qlovkFguhJ22WgO+OhKeUDg+8w3bx/z9bRpvSsI/pWgf2P9j2nYmEblqPzvVUjrmKfzA tOPw== X-Gm-Message-State: AOJu0YzvLKopcyALsQx1s6kLCQjNR/5SldkGT4+Nnh/lnTC6P4Lxugh+ xmxcSzfVuDP1p/xAj/fONosanHwToOLVvcktQK0vkRpJHAWkxiz2OR85aS6DIdTAp6P7ahUFLSD vbn1Lt8pI5w== X-Gm-Gg: ASbGncs95bPVoCaONL+nUGNaVSnnC0I2V5je7AWfLeKI6e8ZpGR270RhmBdQfcukQZA 1kZs7NLf7NdWcrGGkB8acduRJdo5V8L/DEf3l4raWAjAk7BRPArpEpQ3os5M4rLJ4qPaZn6i4de pxhkYIlyiKFUV4fWf/VhdFmbAeAg0YF18fX2AzfLlRpXVPTT4B9YB8DajYpoT8xFVNGBvJMfK4i LmmtzdMdKE6ph1jZE72g737Fq4qwOwIk1RKWwGSsrY6r+XyB1BzWGWNA7rhk+BfFe60XjNQgZAt cXdJ+pHpeuAYsOAyzYwTk2m8PCJnSKD1DCuFAs0fK7RcfJxKD7dr3u/HuZceSfp2pIAdmSGNl+i tjX4L7ERMiCLQAcYSvzHTZP6LJrUVo11i3UuqLfFJx1DSRDyKNu5coqDy X-Google-Smtp-Source: AGHT+IHnNcxF5ay5VyHfb0T5ZISST8a/AEDzveENWZ2oAPcdg80AVPjPiTsb63a82thYNTvhcxmsWw== X-Received: by 2002:a05:6000:2289:b0:3a6:d2ae:830 with SMTP id ffacd0b85a97d-3a6d2ae0c25mr2974004f8f.56.1750440563285; Fri, 20 Jun 2025 10:29:23 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Alexander Graf , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson , Paolo Bonzini , Peter Maydell , Julian Armistead , Cameron Esfahani , Mark Burton , Thomas Huth , "Edgar E. Iglesias" , Pierrick Bouvier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [RFC PATCH RESEND 11/42] accel/split: Register MTTCG Date: Fri, 20 Jun 2025 19:27:19 +0200 Message-ID: <20250620172751.94231-12-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250620172751.94231-1-philmd@linaro.org> References: <20250620172751.94231-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=philmd@linaro.org; helo=mail-wm1-x334.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, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1750458284314116601 FIXME: Use sw-hooks? Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- accel/split/split-accel-ops.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/accel/split/split-accel-ops.c b/accel/split/split-accel-ops.c index efef0d60fde..2c7945b6331 100644 --- a/accel/split/split-accel-ops.c +++ b/accel/split/split-accel-ops.c @@ -14,9 +14,12 @@ #include "system/cpus.h" #include "split-accel.h" =20 +#include "accel/tcg/tcg-accel-ops-mttcg.h" + static void *split_cpu_thread_routine(void *arg) { AccelState *as =3D current_accel(); + void *sw_force_rcu; CPUState *cpu =3D arg; AccelCPUState *acs; int r; @@ -24,6 +27,7 @@ static void *split_cpu_thread_routine(void *arg) /* TODO: check accel allowed */ =20 rcu_register_thread(); + sw_force_rcu =3D mttcg_vcpu_register(cpu); =20 bql_lock(); qemu_thread_get_self(cpu->thread); @@ -84,6 +88,7 @@ static void *split_cpu_thread_routine(void *arg) cpu_thread_signal_destroyed(cpu); bql_unlock(); =20 + mttcg_vcpu_unregister(cpu, sw_force_rcu); rcu_unregister_thread(); =20 return NULL; --=20 2.49.0