From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f52.google.com (mail-ed1-f52.google.com [209.85.208.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D64A03EB7FF for ; Mon, 18 May 2026 10:31:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779100273; cv=none; b=NqpOWWFHRxLJuKgrS7d9FXgfPvfaIHfaWyZDFJkCiTSInZMhgfbxMbtNGsdMEDWRu0SJcVQamnG4b4hHel7U1UEGkJA2UWvviRzdUDqq3DqJHbi9ALfjHQuKcvHTm052Od7/fSQYH8ID2X6QGhgWBFc3/yrvtq8SlBAddLmdzgo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779100273; c=relaxed/simple; bh=uNvks5nLVhab845gPs8D4jnOry1W6hE6xPWWd9nU+CA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=S96uZtyONy61S+kXVxoVp79lcmjMHERVXx1mumSUw5MA7B0mjqLOQoUj2qEXGrUIzG/QAjdImlsEszstX0En9fmXxJf0sFzUHOGhdQtrBcBhwEUKShmTnJDQLc5MvMatdBu3vHUcHoHgtyHUHaJVAhl5U1kCMnCZZbTu6bRBn90= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=SFtHjJDu; arc=none smtp.client-ip=209.85.208.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SFtHjJDu" Received: by mail-ed1-f52.google.com with SMTP id 4fb4d7f45d1cf-6802f9c5debso5161839a12.3 for ; Mon, 18 May 2026 03:31:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1779100257; x=1779705057; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=hx27Zr2PfQkgYP6DocpvbcVC/5/Kjswu2b3jiJPzVQY=; b=SFtHjJDu5+thx67ZQgSBSlnzrWP8St/IsgqvFJBv+8gm1ZrL2dyXiR9tOuiCjTHlxK leC3X5LwO9ivz6GpTCXdCkORR5nUXpH3H7zydiX32uINNdws6VGv3HNPz767MpzZyFLv CwtfM3jnULTNL8ABAm8hoRo8Gid93oQikbr8Xq08xamILO2ehZBd0oG56QxnAvJixFAt w6azypF0dMLXHB6c7c0334C/m+OJ2yS/GGsT+E/iEqTBoTUUM1K96VkKyWLbFWOKggQK i0EgO1KZSz8N0Ht7I8I199PJpHmud6anBnAwiAxTKU6aQqsnKb7fdI6vF+DEf3UPLiaQ +FvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779100257; x=1779705057; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=hx27Zr2PfQkgYP6DocpvbcVC/5/Kjswu2b3jiJPzVQY=; b=lNH50OjUUszqrYoaar1U9CIzRpiWmUgs170NWhwoChuJbVOChQoCReHyn3YC6hi8GP y4fLXM+7wgPxcSZeXtoSHJU7WlLaKOFdIqeM7q2grTMcU5L+U2EHkN3MglYVdQEarcOQ J5mOiSeZ1GUEeYCAtUIPGNG7dPxdpQG+3YSTuNxkKyUaSXPOMMrZdiaYlimIyA3OjP3A qy4k0FnynQ7DG07EXeofdBqAn7+gvjBn9l2F7MgnUmPnJdYf+yEoCLuEIRszR8cIjlv1 QFCfwFkFTEm7yte+OjxFHy4mFkF+HOwz+WYgQwsoGTWPrWXf7VEZeWVWO8XX/5UzQbFw bcig== X-Forwarded-Encrypted: i=1; AFNElJ+uH6qLq9/vSFnB6KjDx+ewx3570Sfsh1QZ/pn+z5iIf6K3zLmzuvWbqVkRNXT682FfV7cGC4xu2d+Lmg==@vger.kernel.org X-Gm-Message-State: AOJu0Yz6nu0gZxah2NWPw3HEocI1wOdKCcMDk65fxgwTdMhneS4Vlxl8 o6ITz4giUbbnn9T9YE8E5gLhq01Q3+Rima5ossZsxR8Qgbj2Zs9lChEt X-Gm-Gg: Acq92OGKp6QmT7XdujR60UTJS5s5In2F2hhKdMe3T3Eo6bHqgd1xD4JMRIcbfQtiwus eQLDfodRNl5mUA/9wRiL27xPnutmDlx+tNYZxtRXeVYnm5jOr9rhMK2v13NJqSn9Piflgs3oE/r gd6TjjhpzaryKHPL7ySozsp7epJDoyTrTv1loj45XOGnqqfpQLdRSNKQcy5lhbOGfZoCy3ihgi8 7Auik4UULIbnkzBFjVeFlq/AQ4C0AtObDQHzcCRzqMs4TcuOl2l72iXMhEn/BzsnEDBk0L4xJhl pWZOX6fyjBO4K7N9HugWov6eA7qd84EjY1Ec13UYtsdplageaezAlyY2U5cElb1AdwC9Dt0CMOh ApuA12UeXOwu/abcQfZqTBwmX2AZ4n0vcHoIzNoSm4sq/2dEsUWDgmKWAKG50vSMekK/Ndz0dGO cUBYlZhiAmpZBUFMK1VN57Zm5lI2pvOqWLgrWCAPJ6XiQdrDchH/Atlzh2FrfDPjbJS7r3LBHFl cn2axhAfOhvFr44ZS/mVW4cjOlK3Pi+/wRRgSbkwNRWXbpiaAA+te3xUdU= X-Received: by 2002:a17:907:1c0d:b0:bd2:bd3:1ef8 with SMTP id a640c23a62f3a-bd517a99797mr714341866b.35.1779100257041; Mon, 18 May 2026 03:30:57 -0700 (PDT) Received: from ?IPV6:2620:10d:c096:325:77fd:1068:74c8:af87? ([2620:10d:c092:600::1:ec20]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bd4f4e4d54dsm542055466b.47.2026.05.18.03.30.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 May 2026 03:30:56 -0700 (PDT) Message-ID: <574f42cf-0d72-437a-8eba-fd970011e206@gmail.com> Date: Mon, 18 May 2026 11:30:54 +0100 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 07/10] nvme-pci: implement dma_token backed requests To: Anuj Gupta/Anuj Gupta , Christoph Hellwig Cc: Jens Axboe , Keith Busch , Sagi Grimberg , Alexander Viro , Christian Brauner , Andrew Morton , Sumit Semwal , =?UTF-8?Q?Christian_K=C3=B6nig?= , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, Nitesh Shetty , Kanchan Joshi , Jason Gunthorpe References: <5cecb1157ab784f9f303a91449fdf11b03aa6002.1777475843.git.asml.silence@gmail.com> <20260513083817.GC6461@lst.de> <50ed7240-d8d3-4816-bcc9-ce8adbbbf841@gmail.com> Content-Language: en-US From: Pavel Begunkov In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 5/18/26 11:18, Anuj Gupta/Anuj Gupta wrote: > On 5/18/2026 2:59 PM, Pavel Begunkov wrote: >>> FYI, I really want SGL support before this get merged, but ignoring that >>> for now: >> >> I was hoping to let Samsung guys to send a follow up they already have, >> but I'll ask them to have about taking it into this patch set. > > I had done patches on top of v3 adding SGL support and PRP list reuse > optimization for the dmabuf path. > Branch: https://github.com/SamsungDS/linux/commits/rw-dmabuf-v3-nvme-opt/ > > Also pasting the SGL patch here for quick reference: Thanks Anuj! -- Pavel Begunkov