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 B76D445B12; Fri, 11 Oct 2024 11:10:49 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8894A4028B; Fri, 11 Oct 2024 11:10:48 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 9CCA3400D5 for ; Fri, 11 Oct 2024 11:10:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1728637846; 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=wm+CBU4m7HpExGxZ3O4iHHO3hw002cycGh5WMx1e3kg=; b=hAhItTD6JUXrT5yxm+bQDhfhVx+YRA0RcLjG3p7ywfRpNPDqw3CBippNYgDT4ayyAnik9U zaxa1DXQsYABiEivcFJ6uW+mrDGlXA+BQBUzXvQkwe2/xP8/e+6Yh/vBJdydiPEWqgn5tl MATRkJWQOnM0p0geHeqnExiwFfx059c= Received: from mail-lf1-f71.google.com (mail-lf1-f71.google.com [209.85.167.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-567-PZI3cQOLOMqwuiwRXledlQ-1; Fri, 11 Oct 2024 05:10:45 -0400 X-MC-Unique: PZI3cQOLOMqwuiwRXledlQ-1 Received: by mail-lf1-f71.google.com with SMTP id 2adb3069b0e04-5398b8cb3cdso1554882e87.1 for ; Fri, 11 Oct 2024 02:10:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728637843; x=1729242643; 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=wm+CBU4m7HpExGxZ3O4iHHO3hw002cycGh5WMx1e3kg=; b=nWZLPgQmMa0DkDQ1tiXT4I0lRr87AN9D3mGMhYDTRwQJt6EtwqrhqBROCIAswVC8g3 9QEKjEC8l7Dk2bVZeF0O9yUdBtVtS9pjeLsnopF54SQdX/jm+bxG2xDvXQj0s0jQvnN9 mVvjw2ay9QhKWHsVw34ykDQzjwR1Db48A+Lt/OhecnNPCdKOdhGC1qtV2kv4+BtkcCw4 qvd14dHWw+MAeR2jDD5ZPJnV7KKg/EqX2gmhHPLZ+D4L4bzgIpYNewKkHqXJy4gNvGoO OuS+m+igdYeqLrTvFC/97hSAapUrzZWR5htoMDUdWsBP38a1+CglclKqpHIkUF0Nx/Dm 5e/w== X-Gm-Message-State: AOJu0YzJ57CnOryBiuxsVB7drKeeaZCBkMVD/HAZic9ag8lynqbT0cyO +PICu3J+fxbV204cD5ZfZ2UbNractFyeanqgUiswV8mc0X+vyuL4LnHx9jbloN5dzOrBJOxyhCO 65HVs3gfphDzChXn+NC5VLAHzututo/iZ/0GAWdPsu3wJ2afBLeI9Iv60HI8srhLnluTEcfz52I iftftWIe5XmsfwxXLgRnKSoqLnbuqg X-Received: by 2002:a05:6512:234e:b0:533:cf5a:eb32 with SMTP id 2adb3069b0e04-539da3c915amr824369e87.19.1728637843247; Fri, 11 Oct 2024 02:10:43 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGYPqYRT2NRhgFVnsianyfGnaHl1fKUETsij7EHbabRQfbWnFF9kGb48Wemi1Fvo0kJEY0YuLSck4+LV96BLdM= X-Received: by 2002:a05:6512:234e:b0:533:cf5a:eb32 with SMTP id 2adb3069b0e04-539da3c915amr824352e87.19.1728637842802; Fri, 11 Oct 2024 02:10:42 -0700 (PDT) MIME-Version: 1.0 References: <20241008175524.450829-1-vladimir.medvedkin@intel.com> <20241010112734.682093-1-vladimir.medvedkin@intel.com> In-Reply-To: <20241010112734.682093-1-vladimir.medvedkin@intel.com> From: David Marchand Date: Fri, 11 Oct 2024 11:10:31 +0200 Message-ID: Subject: Re: [PATCH v3 1/2] fib: implement RCU rule reclamation To: dev@dpdk.org, Vladimir Medvedkin Cc: rjarry@redhat.com, mb@smartsharesystems.com, stephen@networkplumber.org, ruifeng.wang@arm.com, honnappa.nagarahalli@arm.com X-Mimecast-Spam-Score: 0 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 Thu, Oct 10, 2024 at 1:27=E2=80=AFPM Vladimir Medvedkin wrote: > > Currently, for DIR24-8 algorithm, the tbl8 group is freed even though the > readers might be using the tbl8 group entries. The freed tbl8 group can > be reallocated quickly. As a result, lookup may be performed incorrectly. > > To address that, RCU QSBR is integrated for safe tbl8 group reclamation. > > Signed-off-by: Vladimir Medvedkin > Acked-by: Stephen Hemminger We got one false positive in bitops unit test, and one strange failure on A= RM. Recheck-request: iol-unit-amd64-testing, iol-unit-arm64-testing --=20 David Marchand