From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 06F37CEE351 for ; Tue, 18 Nov 2025 20:18:57 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 691666B0098; Tue, 18 Nov 2025 15:18:56 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 668ED6B00A9; Tue, 18 Nov 2025 15:18:56 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 557E26B00AA; Tue, 18 Nov 2025 15:18:56 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 41D0F6B0098 for ; Tue, 18 Nov 2025 15:18:56 -0500 (EST) Received: from smtpin03.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id EFB9E1A015B for ; Tue, 18 Nov 2025 20:18:55 +0000 (UTC) X-FDA: 84124841430.03.39D4BE1 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf18.hostedemail.com (Postfix) with ESMTP id 72F991C0014 for ; Tue, 18 Nov 2025 20:18:54 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=jQfDsn61; spf=pass (imf18.hostedemail.com: domain of kbusch@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=kbusch@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1763497134; h=from:from:sender: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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=45iaqGzeloD/PkIxgTPLmEveJVPtdH+50bsoXaS0q4A=; b=JWd9OfCrTOgtkyfxFyaolW7euv/UUE6V/sxOWgzLkXVrdG7uiPCDvvwwEpd9VEhamocKTj kiDXTvLI3a+ax9gsR0qQtKB0JSpW9twtDaOLAXp+2lUZM6R8Hko+eMd6uziAvUvBJu7WCR /6snXNRcIXNRZnxSGbpLe1kN60kECog= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=jQfDsn61; spf=pass (imf18.hostedemail.com: domain of kbusch@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=kbusch@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1763497134; a=rsa-sha256; cv=none; b=iNTRQboCX8i0XoDThZlazFjA9mGy3DxN5julmdMRFOuBKbCRXrTWK6PDTeIdpYLI8+1IP6 rD6EcYq2iOE3VJMUtlN8wNqFXtvumj2pOtX6S2GmlsWGEV8zkkOYR3L2yt9+wLp239v3tG px76xNA1z0Zi1NWkVOU/xtI/fl0mg/4= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 63768438BB; Tue, 18 Nov 2025 20:18:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D6C3C19423; Tue, 18 Nov 2025 20:18:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763497133; bh=1gK/eOl0lFoJx/Qsgws6pSF6IokRCQEg1Ra5CF1IxTY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=jQfDsn61vufo6YOfQo79y+Ndb5/49pM+Kzub8NVaHCny22FBzQnFTrSLg2XdPo1s4 q4Q7m4B585DTvH5HVWQ0DO/E2wa7u3fFCYB85WskqwPYKBTtnUrrPrWPRE5C2Ymwu9 XI6NikQcB+qyFCqrr5w+MjHt0GyCFcaWHiNnpAZuQe+VtouSDZ9qJ1I29igbCkZOyV 6JDMlf1DxIGJwl0KrKoWkLUy0geHXeEkVLKutwvuAT1n5/hnFBjFl+IVPa8640+D5j uK0n9LGxWeIjzuFUFMy16vZC128qAY115S6xdY8r0buoE9dRHyEPS8qfYYbszF8xDd vw0kkKc8fqFoQ== Date: Tue, 18 Nov 2025 13:18:46 -0700 From: Keith Busch To: "Tian, Kevin" Cc: Leon Romanovsky , Bjorn Helgaas , Logan Gunthorpe , Jens Axboe , Robin Murphy , Joerg Roedel , Will Deacon , Marek Szyprowski , Jason Gunthorpe , Andrew Morton , Jonathan Corbet , Sumit Semwal , Christian =?iso-8859-1?Q?K=F6nig?= , Kees Cook , "Gustavo A. R. Silva" , Ankit Agrawal , Yishai Hadas , Shameer Kolothum , Alex Williamson , Krishnakant Jaju , Matt Ochs , "linux-pci@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "iommu@lists.linux.dev" , "linux-mm@kvack.org" , "linux-doc@vger.kernel.org" , "linux-media@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "linaro-mm-sig@lists.linaro.org" , "kvm@vger.kernel.org" , "linux-hardening@vger.kernel.org" , Alex Mastro , Nicolin Chen Subject: Re: [PATCH v8 09/11] vfio/pci: Enable peer-to-peer DMA transactions by default Message-ID: References: <20251111-dmabuf-vfio-v8-0-fd9aa5df478f@nvidia.com> <20251111-dmabuf-vfio-v8-9-fd9aa5df478f@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 72F991C0014 X-Stat-Signature: 6mrshcoz5y31d3k1ejmj6qm1nnhitw7i X-Rspam-User: X-HE-Tag: 1763497134-45764 X-HE-Meta: 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 KKA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Nov 18, 2025 at 07:18:36AM +0000, Tian, Kevin wrote: > > From: Leon Romanovsky > > Sent: Tuesday, November 11, 2025 5:58 PM > > > > From: Leon Romanovsky > > not required with only your own s-o-b That's automatically appended when the sender and signer don't match. It's not uncommon for developers to send from a kernel.org email but sign off with a corporate account, or the other way around.