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 89B7E22914B; Wed, 11 Dec 2024 03:44:13 +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=1733888653; cv=none; b=O5xRB7NeylmGxuXEl1aH6F+tKvYx3bFp9/jXcHurd4KhmYzfegML6Nza0O5zpG1KyUYqYfM8P+De1kg464s7eL5tM/i81OIlb+RLrZN8NJ8io77jIltxJDw9YFllF7lzgHWZnL6aUYZWbaZc65cSTWOHAzZVYaxOO+ra1emKeLw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733888653; c=relaxed/simple; bh=97Q9KZPqtfr3u6MHwjc600BHQ9UHmgQQX4d8wB3oYIg=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=qja8Kjspmu1XRpzm26RsuC0epTToRcn8PMEk5M+2RctVfxWFeDlJm01TtdjFStWfLBn+u1U9QtCRRw1NKlCf4j7w7miuyoFC8tRrX2a8siAfScn6OmRFcDtGU5L/n2wu+vR9a2mQLhCZox2UMNGwgphnIemfz1gepFGoKKpIBSQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=De8yOqZt; 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="De8yOqZt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 649BAC4CED2; Wed, 11 Dec 2024 03:44:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733888653; bh=97Q9KZPqtfr3u6MHwjc600BHQ9UHmgQQX4d8wB3oYIg=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=De8yOqZtNLM3PkoX8NYyt4N7fB7i8wlpXEVCXyLQRz2ebgIYLHrw8h28y81u8jeGB mNOCiOHhnA5lf41SzQI+gc4QJR4HcGW+lFYMOouJa37pyMiELGNlhh2LViR3ocSqZU rYQM3dsOaJT0ujNTiGC7tLftA59RlzrmBnIvUaM8Nd/sHMsi66AB3kEH+ZYbPgc3G2 XKPfc7SvB8RDUhPXENs3QpkcXbvosEXJsZOcnf/Vd41TygTrJGEaeIfX5CqE9ANx1R XSZCVSp3LZrl0BnzKOPS+dy5cCBh8MW5U0iyF7+FJ9kCx0rcKbQu/oZxOmx2zp7qPA ROnaA/l4YifRw== Date: Tue, 10 Dec 2024 19:44:11 -0800 From: Jakub Kicinski To: Mina Almasry Cc: netdev@vger.kernel.org, Pavel Begunkov , Kaiyuan Zhang , Willem de Bruijn , Samiullah Khawaja , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Jonathan Corbet , Jesper Dangaard Brouer , Ilias Apalodimas Subject: Re: [PATCH net-next v3 3/5] page_pool: Set `dma_sync` to false for devmem memory provider Message-ID: <20241210194411.5c0a98ad@kernel.org> In-Reply-To: <20241209172308.1212819-4-almasrymina@google.com> References: <20241209172308.1212819-1-almasrymina@google.com> <20241209172308.1212819-4-almasrymina@google.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 9 Dec 2024 17:23:06 +0000 Mina Almasry wrote: > + /* dma-buf dma addresses should not be used with Sounds a bit scary, maybe let's say: vvvvvvvvvvvvvvv /* dma-buf DMA addresses do not need and should not be used with ? up to you.