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From: Arnd Bergmann <arnd@arndb.de>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Christoph Hellwig <hch@lst.de>,
	Alex Williamson <alex.williamson@redhat.com>,
	Arnd Bergmann <arnd@arndb.de>, Yishai Hadas <yishaih@nvidia.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Jonathan Corbet <corbet@lwn.net>,
	diana.craciun@oss.nxp.com, kwankhede@nvidia.com,
	Eric Auger <eric.auger@redhat.com>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Michal Marek <michal.lkml@markovi.net>,
	linux-pci <linux-pci@vger.kernel.org>,
	"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
	kvm list <kvm@vger.kernel.org>,
	linux-s390 <linux-s390@vger.kernel.org>,
	Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
	mgurtovoy@nvidia.com, maorg@nvidia.com, leonro@nvidia.com
Subject: Re: [PATCH 12/12] vfio/pci: Introduce vfio_pci_core.ko
Date: Wed, 28 Jul 2021 15:08:08 +0200	[thread overview]
Message-ID: <CAK8P3a21ah=+x29jycWZBoTGA1RzfYz4qar9usvCa_hU85k=7g@mail.gmail.com> (raw)
In-Reply-To: <20210728124755.GR1721383@nvidia.com>

On Wed, Jul 28, 2021 at 2:47 PM Jason Gunthorpe <jgg@nvidia.com> wrote:
>
> On Wed, Jul 28, 2021 at 02:29:56PM +0200, Christoph Hellwig wrote:
>
> > So not really an issue here.  VFIO_PCI_CORE really is underlying
> > infrastructure a user should not care about.
>
> So then we can write it like below? Unfortunately it deletes the nice
> menu structure that groups all the PCI drivers together like platform
> (and mdev in future). Not sure this loss is worth the backwards compat

I think you can get back some structure by adding a 'menu "VFIO PCI drivers"'
and 'endmenu' around it.

> @@ -17,6 +15,7 @@ config VFIO_PCI_INTX
>
>  config VFIO_PCI
>         tristate "Generic VFIO support for any PCI device"
> +       select VFIO_PCI_CORE
>         help
>           Support for the generic PCI VFIO bus driver which can connect any
>           PCI device to the VFIO framework.
> @@ -50,6 +49,7 @@ endif
>  config MLX5_VFIO_PCI
>         tristate "VFIO support for MLX5 PCI devices"
>         depends on MLX5_CORE
> +       select VFIO_PCI_CORE
>         help

These two now have to get a 'depends on MMU' if they don't already inherit
that from elsewhere.

       Arnd

  parent reply	other threads:[~2021-07-28 13:08 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-21 16:15 [PATCH 00/12] Introduce vfio_pci_core subsystem Yishai Hadas
2021-07-21 16:15 ` [PATCH 01/12] vfio/pci: Rename vfio_pci.c to vfio_pci_core.c Yishai Hadas
2021-07-21 16:15 ` [PATCH 02/12] vfio/pci: Rename vfio_pci_private.h to vfio_pci_core.h Yishai Hadas
2021-07-21 16:16 ` [PATCH 03/12] vfio/pci: Rename vfio_pci_device to vfio_pci_core_device Yishai Hadas
2021-07-21 16:16 ` [PATCH 04/12] vfio/pci: Rename ops functions to fit core namings Yishai Hadas
2021-07-21 16:16 ` [PATCH 05/12] vfio/pci: Include vfio header in vfio_pci_core.h Yishai Hadas
2021-07-21 16:16 ` [PATCH 06/12] vfio/pci: Split the pci_driver code out of vfio_pci_core.c Yishai Hadas
2021-07-21 16:16 ` [PATCH 07/12] vfio/pci: Move igd initialization to vfio_pci.c Yishai Hadas
2021-07-21 16:16 ` [PATCH 08/12] vfio/pci: Move module parameters " Yishai Hadas
2021-07-21 16:16 ` [PATCH 09/12] PCI: Add a PCI_ID_F_VFIO_DRIVER_OVERRIDE flag to struct pci_device_id Yishai Hadas
2021-07-27 16:34   ` Alex Williamson
2021-07-27 17:14     ` Jason Gunthorpe
2021-07-27 23:02       ` Alex Williamson
2021-07-27 23:42         ` Jason Gunthorpe
2021-08-04 20:34   ` Bjorn Helgaas
2021-08-05 16:47     ` Max Gurtovoy
2021-08-06  0:23     ` Jason Gunthorpe
2021-08-11 12:22       ` Max Gurtovoy
2021-08-11 19:07       ` Bjorn Helgaas
2021-08-12 13:27         ` Jason Gunthorpe
2021-08-12 15:57           ` Bjorn Helgaas
2021-08-12 19:51             ` Jason Gunthorpe
2021-08-12 20:26               ` Bjorn Helgaas
2021-08-12 23:21                 ` Max Gurtovoy
2021-08-13 17:44                   ` Bjorn Helgaas
2021-08-14 23:27                     ` Max Gurtovoy
2021-08-16 17:21                       ` Bjorn Helgaas
2021-08-17 13:01                         ` Max Gurtovoy
2021-08-17 14:13                           ` Bjorn Helgaas
2021-08-17 14:44                             ` Max Gurtovoy
2021-08-12 15:42   ` Bjorn Helgaas
2021-07-21 16:16 ` [PATCH 10/12] vfio: Use select for eventfd Yishai Hadas
2021-07-21 16:16 ` [PATCH 11/12] vfio: Use kconfig if XX/endif blocks instead of repeating 'depends on' Yishai Hadas
2021-07-21 16:16 ` [PATCH 12/12] vfio/pci: Introduce vfio_pci_core.ko Yishai Hadas
2021-07-21 17:39   ` Leon Romanovsky
2021-07-22  9:06     ` Yishai Hadas
2021-07-22  9:22       ` Max Gurtovoy
2021-07-23 14:13         ` Leon Romanovsky
2021-07-25 10:45           ` Max Gurtovoy
2021-07-27 21:54   ` Alex Williamson
2021-07-27 23:09     ` Jason Gunthorpe
2021-07-28  4:56       ` Leon Romanovsky
2021-07-28  5:43       ` Christoph Hellwig
2021-07-28  7:04         ` Arnd Bergmann
2021-07-28  7:17           ` Leon Romanovsky
2021-07-28 12:03         ` Jason Gunthorpe
2021-07-28 12:12           ` Arnd Bergmann
2021-07-28 12:29           ` Christoph Hellwig
2021-07-28 12:47             ` Jason Gunthorpe
2021-07-28 12:55               ` Christoph Hellwig
2021-07-28 13:31                 ` Jason Gunthorpe
2021-07-28 13:08               ` Arnd Bergmann [this message]
2021-07-28 17:26                 ` Jason Gunthorpe
2021-08-04 13:41 ` [PATCH 00/12] Introduce vfio_pci_core subsystem Yishai Hadas
2021-08-04 15:27   ` Alex Williamson

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