From nobody Tue Feb 10 03:20:47 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=quarantine dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1758378724; cv=none; d=zohomail.com; s=zohoarc; b=Xr6pA6FL6+ozP7pWbGsGvFQlsO0hksen6O0ZuaoMY6M2gRMBSNnWlwURBSI8zLFqmxFwnCJteul2d75SMaVKihyvyLXJcfO/MziZE87zAW6KAYUisOJar+Z1TO2pVe9Yhkjlh9Kh0Vy2WWhHeIIs+Op+vWIRNF6rwtwaKexCeew= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1758378724; h=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=fJ3YNFEPq2/8msLkXx1NZ4U+hOxlX3VeLMqMSz14QdI=; b=nbczcNLeN1JteC/ybU1uNUFvnv6+VoV8k0oDT9ehukL5nKH/eaNvCFuyajeZ0tFxyZzgjwyhhZTmJ+i9gOCm0wexA3cyfbP7MS2nt2CAUsPhzyhNq0Zv3ED97wA4tX9h/eSuAFq2lfpfdeeDodqqtyRtkD8DZS5q3o0cIkyBdOs= 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=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1758378724766653.3740829027145; Sat, 20 Sep 2025 07:32:04 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uzybL-0007FA-7e; Sat, 20 Sep 2025 10:30:11 -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 1uzybJ-0007EQ-Ai for qemu-devel@nongnu.org; Sat, 20 Sep 2025 10:30:09 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uzybH-0005QQ-Mh for qemu-devel@nongnu.org; Sat, 20 Sep 2025 10:30:08 -0400 Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-390-6LkvF3GKM5-Tt21ys0aBRQ-1; Sat, 20 Sep 2025 10:30:05 -0400 Received: by mail-wm1-f72.google.com with SMTP id 5b1f17b1804b1-45de07b831dso17774155e9.1 for ; Sat, 20 Sep 2025 07:30:05 -0700 (PDT) Received: from [192.168.10.48] ([151.95.47.123]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45f32136cdasm99628655e9.4.2025.09.20.07.30.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Sep 2025 07:30:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1758378607; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fJ3YNFEPq2/8msLkXx1NZ4U+hOxlX3VeLMqMSz14QdI=; b=hgQ2X7ixbrM4qSSXK571LmVtoSA9TbmsBui39p7XhiypQTlnERm4T3UEgLj9UjpJAAhXdl IiE5JhXEXwSmRXweK/HwuU9wuEfLZF7mZoi1NJs7TP9r5brGqnsCk5Vr0+Il+5YmiJMors 8LlLPtQwxc69ulJ6DEJ1VM8BdPNM2nU= X-MC-Unique: 6LkvF3GKM5-Tt21ys0aBRQ-1 X-Mimecast-MFC-AGG-ID: 6LkvF3GKM5-Tt21ys0aBRQ_1758378604 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758378603; x=1758983403; 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=fJ3YNFEPq2/8msLkXx1NZ4U+hOxlX3VeLMqMSz14QdI=; b=Ucz4W5XOUqFDYpgSnOJLdkG4xzuwABYwTPlvj9BMyNpbZXV5hzOIsw+u9AQzGtPF2f HZgYucSnmChyU2v7WaTh/HB2bM7fZFiXGkZHtrmaxI8aLj8tw/5TsBAL/+GkH78n47XH Jw+OtK9gYq+ns8g5SGb1b18zeYVE/q0LePEJJd9bTPQ/lqd9bFyMVrXKKx49jfSdq8GJ EDdQBrwZpTyeyqwqIFd3W5fx24Uy85XaCV1LH3ejvbASltZs/m6K6Q4GT2mi748vch6d XxAyoIZLbTUXh2evGdNXKq1XXwZ/XJstzrFD/8KMEWSV77pERHtsMMRYkV4SR1I3OjoT M3AA== X-Gm-Message-State: AOJu0YwZ5WdXiPs3PQpWQLYOS84/gFT2/4vQ2tPDhE/k44FEi7Qd+tO4 YWsLkDX2VIQvS+/SA8Jq7gUNeZR92hzRG0B3MgulgRc5cxapsDr30OXhN8Oe+MnROacwww3e1+K ZKPEMPc47w/k1qfLfRUIxJtb+EgsuPJtbh5/+0/CiTUopevvatESb4GYNzMsyTFVHFcNEEKNJwO kHK16VadPVIUcVdbke0Gsr7mwBPLpnHxIHmZeHaNvB X-Gm-Gg: ASbGncvRQP9rYb9VHuCNmJcuaVMVA3M1BJjGzPnmoUYGwerCwp+TgTVQhTP5PC9dF6u W3GAN8KXjC6ZDWWj1lvBAc5WX1ds936aj8BGIIRAZzlM792yJ2eGpEuBkR+5hESc5gnf9yTl+dB xypoHdS6LmiJbMgoftF53eVH3MPGAthHMaYqXJT0xiCbJKAYVkb5oG+OW78+bR1+GiK2iPsWIsl UnEPYY81TfuYs6m0Cr3jYbRiLBYt29MDRLZY6DLjU2Pg5pd5qRvU9XrdBycmKaqaKY63PftwaP5 eta8hF9wQ1oEr2KoB2fLDHWF/4arVBRk0KNYJCNCCryy2SyELWhPIuYHJAxAok1m5fx4xNyyQHX AVNUak84lgkzC3mhZUnwTjvvEhJ7u8Xo3V3GSF8SP2KU= X-Received: by 2002:a05:600c:1d91:b0:468:11af:782b with SMTP id 5b1f17b1804b1-46811af793emr56247815e9.29.1758378603311; Sat, 20 Sep 2025 07:30:03 -0700 (PDT) X-Google-Smtp-Source: AGHT+IH/qk76o0RmehkijCLaE4imfHrVhxw+6WVQ5uZMGzREY2hhrdZoKipoZrfdr7YlRVt3B9wLmA== X-Received: by 2002:a05:600c:1d91:b0:468:11af:782b with SMTP id 5b1f17b1804b1-46811af793emr56247585e9.29.1758378602834; Sat, 20 Sep 2025 07:30:02 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: qemu-rust@nongnu.org, zhao1.liu@intel.com, manos.pitsidianakis@linaro.org Subject: [PATCH 1/7] rust: bql: add BqlRefCell::get_mut() Date: Sat, 20 Sep 2025 16:29:52 +0200 Message-ID: <20250920142958.181910-2-pbonzini@redhat.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250920142958.181910-1-pbonzini@redhat.com> References: <20250920142958.181910-1-pbonzini@redhat.com> MIME-Version: 1.0 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=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.045, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, 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: 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 @redhat.com) X-ZM-MESSAGEID: 1758378725467116600 Content-Type: text/plain; charset="utf-8" This method is rarely useful in QEMU due to the pervasiveness of shared references, but add it for when a &mut BqlRefCell<> is used. Signed-off-by: Paolo Bonzini --- rust/bql/src/cell.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/rust/bql/src/cell.rs b/rust/bql/src/cell.rs index 24ab294b60d..8a0c8c14ad4 100644 --- a/rust/bql/src/cell.rs +++ b/rust/bql/src/cell.rs @@ -580,6 +580,25 @@ pub fn borrow_mut(&self) -> BqlRefMut<'_, T> { } } =20 + /// Returns a mutable reference to the underlying data in this cell, + /// while the owner already has a mutable reference to the cell. + /// + /// # Examples + /// + /// ``` + /// use bql::BqlRefCell; + /// + /// let mut c =3D BqlRefCell::new(5); + /// + /// *c.get_mut() =3D 10; + /// ``` + #[inline] + pub const fn get_mut(&mut self) -> &mut T { + // SAFETY: there cannot be any outstanding borrow, + // since `self` is mutably owned. + unsafe { &mut *self.as_ptr() } + } + /// Returns a raw pointer to the underlying data in this cell. /// /// # Examples --=20 2.51.0