From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3504546ACB; Tue, 1 Jul 2025 09:56:21 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C0A3840269; Tue, 1 Jul 2025 09:56:20 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id 434F9400D7 for ; Tue, 1 Jul 2025 09:56:19 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1751356578; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cqKVe0zEqKcAnOj2xrFrRDuPK9dNJoAXOtMjAns2dvw=; b=Gdc56TTtQaD5vBKXTvMKb8trexMDe3ceY9PVwwNjCnNldDLBeLOiQUGi08DuyuclisjtM+ 1c65QeC1mbwIaPu4ZS7V7BJ6dGTJaW6/uVZ5AbYKfQ8PBIgdiMlC3JaLTyha32Mg7Ryk+Q 8Rhebxfxz9a8fRbexZ5RR20BJ4PHwmw= Received: from mail-lj1-f200.google.com (mail-lj1-f200.google.com [209.85.208.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-378-E3TOpaKWOyy8UCjTuYiFGQ-1; Tue, 01 Jul 2025 03:56:17 -0400 X-MC-Unique: E3TOpaKWOyy8UCjTuYiFGQ-1 X-Mimecast-MFC-AGG-ID: E3TOpaKWOyy8UCjTuYiFGQ_1751356576 Received: by mail-lj1-f200.google.com with SMTP id 38308e7fff4ca-32b8579063bso19422871fa.2 for ; Tue, 01 Jul 2025 00:56:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751356576; x=1751961376; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=cqKVe0zEqKcAnOj2xrFrRDuPK9dNJoAXOtMjAns2dvw=; b=evSy9jjEs2n5y9heZnouFo7V4NSaW/CDq8ttHajIvpBJreDvI6vsZRUJN7Nf6/LlF3 nOPGddyeE7D4kGMdZzVbIgoW+mwMr5/Ayla396pREI86BOV379efGXU13KfKYrY/R8FP Cok7C9JmKrkjC0VgG5scvgYsluCpGeiBqUSyK9CJNsJIADTad0SEw1i76R6aDkLdbiW9 9KMaxpTfow+nY3HifVuZKYdySRPpDtqy6nKA34zshQUt7EJVzHyelbl6GvBft/0jZjaG jeQnJoUD+TlLHAYXz5AeXMnTHEKqC1eM69W1DS/nXLEqChCBash0dxzK65/LEz2ibcwQ 9RVg== X-Gm-Message-State: AOJu0Yy2keoxxeyuLKRx3Miu52DUR04/huOwP8yrIArw9V4aakBmIfzJ +0jrQA340VADnxPas201wZ2Y+rrW8ihLCZROGjrBDUYoy2ccmxeFYMwTVdeTj1E2KZxbkvv7SPe e4SrjiEsTDrjYCdnnic4Bvw6CZohvr9o7339DV3rT02jY4/Zgl7SS6c46/ScMRkNKBGq6+mkbvH SYW6s/p5btzi0r5Ar6pc0= X-Gm-Gg: ASbGncvm6xa8FVxd1UFChKqElsv0qnwBFqwGZ9sN0AjyTcUYvF4UPzaYCuDsDuFg7+B DSNA4jAC87M409NDNxHNb1wpcgbSFZ2z1OfmYFqkxi+f5Gqzp408uFQ3CwFzp/w49YGY1YAaTnD x1OLskbg== X-Received: by 2002:a05:651c:325a:b0:32b:3879:ce7f with SMTP id 38308e7fff4ca-32cdc324937mr56275271fa.0.1751356575777; Tue, 01 Jul 2025 00:56:15 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEmN5cwN1a1KiNAG0Q8OTCgk0iktaKB0zSYw1CTkhf8XjmeDBRSOLgJ7DsViTd0mC8eemKgwVldHRMPa4310z8= X-Received: by 2002:a05:651c:325a:b0:32b:3879:ce7f with SMTP id 38308e7fff4ca-32cdc324937mr56275161fa.0.1751356575378; Tue, 01 Jul 2025 00:56:15 -0700 (PDT) MIME-Version: 1.0 References: <1747957021-2581-1-git-send-email-andremue@linux.microsoft.com> In-Reply-To: <1747957021-2581-1-git-send-email-andremue@linux.microsoft.com> From: David Marchand Date: Tue, 1 Jul 2025 09:56:04 +0200 X-Gm-Features: Ac12FXxn54_-WRt1BFhIy6Fxlj3C6GUKyJlZUHp_a8czQgFDwYc2RhT2BlkgENg Message-ID: Subject: Re: [PATCH] rcu: add deprecation notice about limit on defer queue element size To: Andre Muezerie Cc: dev@dpdk.org, Thomas Monjalon , Bruce Richardson , Honnappa Nagarahalli , Konstantin Ananyev X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: isu6Muyb8v-rnRKDPF4eGFGK45hT6Ze9p8ZM5wMzyAM_1751356576 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Fri, May 23, 2025 at 1:37=E2=80=AFAM Andre Muezerie wrote: > > The functions rte_rcu_qsbr_dq_create and rte_rcu_qsbr_dq_reclaim establis= h > no limit on the size of each element in the defer queue. With DPDK 25.11 = a > hard limit will be set (``RTE_QSBR_ESIZE_MAX``). This will allow fixed > C arrays to be used in the functions' implementations, avoiding VLAs and > use of alloca(). > > Signed-off-by: Andre Muezerie Acked-by: David Marchand --=20 David Marchand