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 DE3011E1E18 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=ZtAuXO0dn8NNm8dC9PWXHeZ3XA/4obunLtlHhbRYfwMGkYBXRD8bIYjCi1WibzpFMogSzCF167YKYU0wTlB6KbsGX0DuJRKA26N57gCfQz8i3rB7abY2xrsYpEDR1Na/ECtmOwxYZnoZLJ694Zzm2tc2J7maK4P+iucyiPDvVJM= 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=ZWnw3c3x; 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="ZWnw3c3x" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1742991641; 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=ZWnw3c3x2f4EyLXMQC0Qkc4NC5YUhVLm65WPQvoiGOM6rc0VyJ1ThCs5vhrjHTnYRm16IM tKjeQbsNkU4/SNXcwbL451aeHMALfU8DLeQSP9MPRERhANBJ4eSJrqWxAnqI5Ma3bRnzM2 Bbas4JehS05adalCVXo8GcYSN7f0yno= 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-287-e1BWm7jCNPqldA8V2fF00w-1; Wed, 26 Mar 2025 08:20:40 -0400 X-MC-Unique: e1BWm7jCNPqldA8V2fF00w-1 X-Mimecast-MFC-AGG-ID: e1BWm7jCNPqldA8V2fF00w_1742991639 Received: by mail-ej1-f70.google.com with SMTP id a640c23a62f3a-ac3e0c13278so548520266b.1 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=i6jvxVtJULEi25swBHPnw7d3g84P9j3N2dvA57v7v7N7GsoaING5FysuXMHquVL06S oCLe4x+xp+31VICh7yQObXZiXiLB49N8txSsLOQQ7fAIjlYXFnFcUlH3FLwQ0zSnuqc4 TzYnhvZG01QGLknbFMmtB+gxl715hmRoNUV20AxAwcrJhr6sspXUnj9/NLUwbYGIatHY sD0UK/8vvO3BaRZDmO8Nl+J1PMZc3oQromKvRnP/eRTN0WuezPCDD4wBl9NtmYGdj3Ix 8Lfv6gYQr3bL//Qlsw8g50tiZbZJTwmNGVVl3h1qbyrE/J3rxl0jRVE/OqiuozwJMAsx TQGQ== X-Forwarded-Encrypted: i=1; AJvYcCVX8xrgkrqnRDYT4Tc1aFU0wUjFmcRoqmGvhtVAWDaHKpVtclxvdIzISKxrw0ozjueUfQzMtlTTRoln@vger.kernel.org X-Gm-Message-State: AOJu0YyWoe2ejHeLuD4rES3TAOwBpDtj/YofIQFQu4IZUAYs/k3esbeu QQOpSnmdswVEoR0MArKbYAhoYsIvR04jn7DsTj+xZNkCd67JX/JIvfs3lGxvR1uIx9lyOfYorRp WK/VwJCVnq/ZlokZmDxizVbypuIIaPmJoKxKZDkEhRqf4aS7fKV1p2C54HzE= X-Gm-Gg: ASbGncv65Tdzoz2pgyTnKV9sOM3/fdK8Xq2ERjWHY8zCGPqAwqZQy72BNrPwPlojnyu k8MrbqaRZ6ICEuXcu4gBfjhBOiXmaJOYIBlJoDT0Ww+bmvmsrcivNdXQzz6yn8gaxLIjtrEMTHN 2mfMOag475618BBzNRUaDvlftcorTtkkvbBO2MRs3shmp4Pd9tFhtNrh2rpJgA4mkp3Y8ZN6tkG pwFQVg1Ef2L13ySOsE08zSVVv5cEb1Gy7es4/v8IAqRC8yrciI8sUCWqtkz8iTqnds782ydshg9 1wQTxJ2kIavZaj9JpPyw5rKI6iW75KSsMJ0Tr2PQ X-Received: by 2002:a17:906:c105:b0:ac1:fab4:a83 with SMTP id a640c23a62f3a-ac3f22aec3fmr1934592166b.25.1742991639131; 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: linux-rdma@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