linux-kernel - Re: [PATCH v2 03/10] PCI/LUO: Forward prepare()/freeze()/cancel() callbacks to driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CALzav=cYBmn_t1w2jHicSbnX57whJYD9Cu84KJekL0n2gZxfmw@mail.gmail.com>
Date: Thu, 2 Oct 2025 16:42:17 -0700
From: David Matlack <dmatlack@...gle.com>
To: Jason Gunthorpe <jgg@...pe.ca>
Cc: Chris Li <chrisl@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>, 
	Danilo Krummrich <dakr@...nel.org>, Len Brown <lenb@...nel.org>, 
	Pasha Tatashin <pasha.tatashin@...een.com>, linux-kernel@...r.kernel.org, 
	linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org, 
	Pasha Tatashin <tatashin@...gle.com>, Jason Miu <jasonmiu@...gle.com>, 
	Vipin Sharma <vipinsh@...gle.com>, Saeed Mahameed <saeedm@...dia.com>, 
	Adithya Jayachandran <ajayachandra@...dia.com>, Parav Pandit <parav@...dia.com>, William Tu <witu@...dia.com>, 
	Mike Rapoport <rppt@...nel.org>, Leon Romanovsky <leon@...nel.org>
Subject: Re: [PATCH v2 03/10] PCI/LUO: Forward prepare()/freeze()/cancel()
 callbacks to driver

On Thu, Oct 2, 2025 at 4:21 PM Jason Gunthorpe <jgg@...pe.ca> wrote:
> On Thu, Oct 02, 2025 at 02:31:08PM -0700, David Matlack wrote:
> > And we don't care about PF drivers until we get to
> > supporting SR-IOV. So the driver callbacks all seem unnecessary at
> > this point.
>
> I guess we will see, but I'm hoping we can get quite far using
> vfio-pci as the SRIOV PF driver and don't need to try to get a big PF
> in-kernel driver entangled in this.

So far we have had to support vfio-pci, pci-pf-stub, and idpf as PF
drivers, and nvme looks like it's coming soon :(