From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CDC264C6C; Wed, 26 Mar 2025 11:48:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742989737; cv=none; b=kZnyAXD5Th+vm5yD79/6u789aq4kHkTWZWTzzgn7gDrpumn/Rak0x0fpRybn/+HA58z1aDdw4ddxlQtfZApaYLGlZrWhynxbkM7X5LD4hjYbkF506usMwFqjlHHL7QoDQRqSvpHSX2C4rzt7tLld4EPccHyHZmwLgIIFwO9kfxU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742989737; c=relaxed/simple; bh=0RrYw3Lbm9JhXV4WGhiDBvYMd8envGDzH/0Fi2B96jY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=AMyP7UIEcTXMCqrtZwJAASp5iXpjcFLuq6nM3WGZ8yDcXyHMTyGURov0yXjV1m2HI2ZFQ9iGdxycU+/9n6EArqXDyP6CrOQ1hUzdOc7jWbxgZoXdXovE1MsTW6j+pSKx8XqkfkTTHt6rQyYoAAOcYdNa8QVnW++mTKMCHMLC4ug= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hTVy1Lw3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hTVy1Lw3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5C0AEC4CEE2; Wed, 26 Mar 2025 11:48:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742989737; bh=0RrYw3Lbm9JhXV4WGhiDBvYMd8envGDzH/0Fi2B96jY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=hTVy1Lw3pxsKXatMVAW/GCcU2UBomgGc2NHLAg+jIljKUtaCli1MaIYQ3DrszUO+t Fh1iVQfOkJVmimYHez3IYS2hJ1EP9ShkGx5HL8YMWPZjVIcuSmDlHJE/larnqBF10m ITn3n1//G9TNZfo6XWml0GyWs4+VXIUHGgQatX+CiMu2DrxPDa4Tn+IIdSxEPJJaK8 3Dm1k1CEpwb4Y66QDUBEoPGoNSFPrCwfn/jcv26M2nDmg4ShNYaig955ZfSq2No8qp jd6gGEmEYN0LZPidKhi+/YusvVjiIjo6TGD2VPBgLeqTUir07b5H2TVN/wodXKmswm ahZhambT2JjOg== Date: Wed, 26 Mar 2025 04:48:55 -0700 From: Jakub Kicinski To: Toke =?UTF-8?B?SMO4aWxhbmQtSsO4cmdlbnNlbg==?= 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 Message-ID: <20250326044855.433a0ed1@kernel.org> In-Reply-To: <20250326-page-pool-track-dma-v3-0-8e464016e0ac@redhat.com> References: <20250326-page-pool-track-dma-v3-0-8e464016e0ac@redhat.com> 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 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, maybe rebase/repost after Linus pull net-next,=20 in case something conflicts on the MM side --=20 pw-bot: cr