From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 401C81DF969 for ; Wed, 26 Mar 2025 12:20:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742991644; cv=none; b=eJuzNDil+Atw5ud8MzGmX/g5XhBNUKLrVGBREGjWJ4LZPOEGIov6r6/S/l8xjENCm47KG5+dTpp2fdC5+ZTjWmbN2lOSU0+6mkQtcH1LmyCeXBW0QtHIljIq1X/ylmmgf1+bzPmbA390Ay8OQGqT4/qtH5h73XOYznxD18lFeLw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742991644; c=relaxed/simple; bh=fDGZt+SqyiAW6zCfVM1bGeXtRYL5+861efZwXKZVyjc=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=NQajiM/6CdAGiRCjnGpgTAFPkBh9O9BBY2clGRB0fEDoJrQOW3Z2yw3kI4cGj85OE/LNffu9YhmBfr+KsIzBmcLYg56/i6Ws8gh7mxuTGzf24WzvomUKB04F2/Ccy6YIWWP39gcCw8TqJq9GWdz0zItJu5EfFgI9rR1CpZxJaz0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=OyPvISRM; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="OyPvISRM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1742991642; 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=fDGZt+SqyiAW6zCfVM1bGeXtRYL5+861efZwXKZVyjc=; b=OyPvISRM1O7N2DrDBtYUfU1M3lZNR79xAUvEcl/4733LtWFE/ooQGt5l4ftsYYRePmAYMq TXXTdW1DPVcyxBrHAVyjeDWm/X0dhN87OAKwCZwUMUMq8ppFK5AAz4HCQKILxJOSy1uJVx h0U29bxapI/uWE9vnWYLkDonSHulV5c= Received: from mail-ej1-f70.google.com (mail-ej1-f70.google.com [209.85.218.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-201-gZ4gPYyCPdGGWQSSoRAUbw-1; Wed, 26 Mar 2025 08:20:40 -0400 X-MC-Unique: gZ4gPYyCPdGGWQSSoRAUbw-1 X-Mimecast-MFC-AGG-ID: gZ4gPYyCPdGGWQSSoRAUbw_1742991639 Received: by mail-ej1-f70.google.com with SMTP id a640c23a62f3a-ac37ed2b99fso603657166b.3 for ; Wed, 26 Mar 2025 05:20:40 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742991639; x=1743596439; h=content-transfer-encoding:mime-version:message-id:date:references :in-reply-to:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=fDGZt+SqyiAW6zCfVM1bGeXtRYL5+861efZwXKZVyjc=; b=n8hR1juPgIMy8QS4OjCyqUcGO4Hj4aFch7iVCP8Z2WfPH49mSxI4otDjqpTJRwEl8H /Xx6SyrTbxKEdek/abIZlbhk92/69ag+EDcz+F4Mf+a3/wVgLZyU5nnSZuzoYrs3NzCe DE0XB1FA9XfxVMdKn3dct/1T4OojRTQVHlFkZw5l11jiTnzZM2I01eUL1ofJsjQS8udI N7tCwYI09eAWTTaYif/YDg25EqRpOqKYbTN5RubLKnQaCMye+u532S6s1TXl5lQPvw5c xVqK4amjsL05rGzfq4MOXOinczco5jastidvYP+d4/Z3pyxV9UAYJH/QbzUsDeUSw0kT fmXA== X-Forwarded-Encrypted: i=1; AJvYcCUTuFNjDaqPoksJ1k/T/vxZMEJQv6H7I3qVkqGshRtKawyFJ2Kvp72pTIeD3b1VffYby6HqwIU=@vger.kernel.org X-Gm-Message-State: AOJu0YwpHvbb3OxrIKPjYghbKVpIvSyEGO/Inrb4k+mj0S9ECvm/ReZA WyZJfHcEvfUWvJlx1Pd6N7gKSOltjTUk1dWNT7TEITXiTrsOmfUd3GrQFfgn8du0AY6hut7+NGW X98UkDCBWAG69O9l5jnESwKX7BRKxi/3J7tdm3imaFhDiVLZ73mGxWA== X-Gm-Gg: ASbGnctecXobdAXzyparRCxMu+gp7ILGYnPaYz9hQcb4qIvS2Zui3nbkoixPo5QrIDD ovMLUso4HbQcaosQRTkGzam/1udt0QDdAXdN9r1SYY3zfjBAcIYvWB1KHd8BOqBVwIWzqwhLp2X cnEYPM4qzu/VzT1pRGg/gWI1HOeGeBhRuIGsKRr3JrJtD3JjBhgAJdU6CoBVOdZyBB05yWWW0NT aGibRujHtCyMRD4emZ9tuejRSMHAfkwHG2IyZPlC9CO2aEjRdWLrSZLT7sUHJW3X+jlwx3BzltN Hu3R5oJx6F51ARedFZqrMniiisO2Xzvx4dirtiOK X-Received: by 2002:a17:906:c105:b0:ac1:fab4:a83 with SMTP id a640c23a62f3a-ac3f22aec3fmr1934591266b.25.1742991639121; Wed, 26 Mar 2025 05:20:39 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGXpD8SKp1cf90maKHi6um2LlX8ejsXAgc5A98IWT9wYQriYmqy8j/0VlxO8lFqKGic1FYQjQ== X-Received: by 2002:a17:906:c105:b0:ac1:fab4:a83 with SMTP id a640c23a62f3a-ac3f22aec3fmr1934588766b.25.1742991638698; Wed, 26 Mar 2025 05:20:38 -0700 (PDT) Received: from alrua-x1.borgediget.toke.dk ([45.145.92.2]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ac3efb65701sm1003437266b.122.2025.03.26.05.20.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Mar 2025 05:20:38 -0700 (PDT) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id 4474318FCA84; Wed, 26 Mar 2025 13:20:37 +0100 (CET) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: Jakub Kicinski Cc: "David S. Miller" , Jesper Dangaard Brouer , Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Andrew Lunn , Eric Dumazet , Paolo Abeni , Ilias Apalodimas , Simon Horman , Andrew Morton , Mina Almasry , Yonglong Liu , Yunsheng Lin , Pavel Begunkov , Matthew Wilcox , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-rdma@vger.kernel.org, linux-mm@kvack.org, Qiuling Ren , Yuying Ma Subject: Re: [PATCH net-next v3 0/3] Fix late DMA unmap crash for page pool In-Reply-To: <20250326044855.433a0ed1@kernel.org> References: <20250326-page-pool-track-dma-v3-0-8e464016e0ac@redhat.com> <20250326044855.433a0ed1@kernel.org> X-Clacks-Overhead: GNU Terry Pratchett Date: Wed, 26 Mar 2025 13:20:37 +0100 Message-ID: <874izgq8yy.fsf@toke.dk> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Jakub Kicinski writes: > On Wed, 26 Mar 2025 09:18:37 +0100 Toke H=C3=B8iland-J=C3=B8rgensen wrote: >> This series fixes the late dma_unmap crash for page pool first reported >> by Yonglong Liu in [0]. It is an alternative approach to the one >> submitted by Yunsheng Lin, most recently in [1]. The first two commits >> are small refactors of the page pool code, in preparation of the main >> change in patch 3. See the commit message of patch 3 for the details. > > Doesn't apply, FWIW, Ugh, sorry about that; rebased yesterday before reposting, but forgot to do so this morning :/ > maybe rebase/repost after Linus pull net-next, in case something > conflicts on the MM side As in, you want to wait until after the merge window? Sure, can do. -Toke