linux-kernel - RE: [PATCH v8 09/11] vfio/pci: Enable peer-to-peer DMA transactions by default

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Message-ID: <BN9PR11MB52768D54FF42AB11C49202C98CD7A@BN9PR11MB5276.namprd11.prod.outlook.com>
Date: Wed, 19 Nov 2025 00:02:02 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: Keith Busch <kbusch@...nel.org>
CC: Leon Romanovsky <leon@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Logan Gunthorpe <logang@...tatee.com>, Jens Axboe <axboe@...nel.dk>, "Robin
 Murphy" <robin.murphy@....com>, Joerg Roedel <joro@...tes.org>, Will Deacon
	<will@...nel.org>, Marek Szyprowski <m.szyprowski@...sung.com>, "Jason
 Gunthorpe" <jgg@...pe.ca>, Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Corbet <corbet@....net>, Sumit Semwal <sumit.semwal@...aro.org>,
	Christian König <christian.koenig@....com>, Kees Cook
	<kees@...nel.org>, "Gustavo A. R. Silva" <gustavoars@...nel.org>, "Ankit
 Agrawal" <ankita@...dia.com>, Yishai Hadas <yishaih@...dia.com>, "Shameer
 Kolothum" <skolothumtho@...dia.com>, Alex Williamson <alex@...zbot.org>,
	Krishnakant Jaju <kjaju@...dia.com>, Matt Ochs <mochs@...dia.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
	"iommu@...ts.linux.dev" <iommu@...ts.linux.dev>, "linux-mm@...ck.org"
	<linux-mm@...ck.org>, "linux-doc@...r.kernel.org"
	<linux-doc@...r.kernel.org>, "linux-media@...r.kernel.org"
	<linux-media@...r.kernel.org>, "dri-devel@...ts.freedesktop.org"
	<dri-devel@...ts.freedesktop.org>, "linaro-mm-sig@...ts.linaro.org"
	<linaro-mm-sig@...ts.linaro.org>, "kvm@...r.kernel.org"
	<kvm@...r.kernel.org>, "linux-hardening@...r.kernel.org"
	<linux-hardening@...r.kernel.org>, Alex Mastro <amastro@...com>, Nicolin Chen
	<nicolinc@...dia.com>
Subject: RE: [PATCH v8 09/11] vfio/pci: Enable peer-to-peer DMA transactions
 by default

> From: Keith Busch <kbusch@...nel.org>
> Sent: Wednesday, November 19, 2025 4:19 AM
> 
> On Tue, Nov 18, 2025 at 07:18:36AM +0000, Tian, Kevin wrote:
> > > From: Leon Romanovsky <leon@...nel.org>
> > > Sent: Tuesday, November 11, 2025 5:58 PM
> > >
> > > From: Leon Romanovsky <leonro@...dia.com>
> >
> > 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.

Good to know.