From: Leon Romanovsky <leon@kernel.org>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>,
Jakub Kicinski <kuba@kernel.org>,
David Ahern <dsahern@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Itay Avraham <itayavr@nvidia.com>,
linux-doc@vger.kernel.org, linux-rdma@vger.kernel.org,
netdev@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>,
Saeed Mahameed <saeedm@nvidia.com>,
Tariq Toukan <tariqt@nvidia.com>,
Andy Gospodarek <andrew.gospodarek@broadcom.com>,
Aron Silverton <aron.silverton@oracle.com>,
Christoph Hellwig <hch@infradead.org>,
Jiri Pirko <jiri@nvidia.com>, Leonid Bloch <lbloch@nvidia.com>,
linux-cxl@vger.kernel.org, patches@lists.linux.dev
Subject: Re: [PATCH 0/8] Introduce fwctl subystem
Date: Fri, 7 Jun 2024 16:12:38 +0300 [thread overview]
Message-ID: <20240607131238.GI13732@unreal> (raw)
In-Reply-To: <66623409b2653_2177294e@dwillia2-mobl3.amr.corp.intel.com.notmuch>
On Thu, Jun 06, 2024 at 03:11:21PM -0700, Dan Williams wrote:
> Leon Romanovsky wrote:
> > On Wed, Jun 05, 2024 at 09:56:14PM -0700, Dan Williams wrote:
> > > Jason Gunthorpe wrote:
> >
> > <...>
> >
> > > So my questions to try to understand the specific sticking points more
> > > are:
> > >
> > > 1/ Can you think of a Command Effect that the device could enumerate to
> > > address the specific shenanigan's that netdev is worried about? In other
> > > words if every command a device enables has the stated effect of
> > > "Configuration Change after Reset" does that cut out a significant
> > > portion of the concern?
> >
> > It will prevent SR-IOV devices (or more accurate their VFs)
> > to be configured through the fwctl, as they are destroyed in HW
> > during reboot.
>
> Right, but between zero configurability and losing live SR-IOV
> configurabilitiy is there still value?
For the users that are using SR-IOV, it is a big loss. It will require
from them to use two tools now instead of one.
My point is that we need to try and find best solution for the users
and not "compromise variant" that will make everyone unhappy.
Thanks
next prev parent reply other threads:[~2024-06-07 13:12 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-03 15:53 [PATCH 0/8] Introduce fwctl subystem Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 1/8] fwctl: Add basic structure for a class subsystem with a cdev Jason Gunthorpe
2024-06-04 9:32 ` Leon Romanovsky
2024-06-04 15:50 ` Jason Gunthorpe
2024-06-04 17:05 ` Jonathan Cameron
2024-06-04 18:52 ` Jason Gunthorpe
2024-06-05 11:08 ` Jonathan Cameron
2024-06-04 16:42 ` Randy Dunlap
2024-06-04 16:44 ` Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 2/8] fwctl: Basic ioctl dispatch for the character device Jason Gunthorpe
2024-06-04 12:16 ` Zhu Yanjun
2024-06-04 12:22 ` Leon Romanovsky
2024-06-04 16:50 ` Jonathan Cameron
2024-06-04 16:58 ` Jason Gunthorpe
2024-06-05 11:07 ` Jonathan Cameron
2024-06-05 18:27 ` Jason Gunthorpe
2024-06-06 13:34 ` Jonathan Cameron
2024-06-06 15:37 ` Randy Dunlap
2024-06-05 15:42 ` Przemek Kitszel
2024-06-05 15:49 ` Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 3/8] fwctl: FWCTL_INFO to return basic information about the device Jason Gunthorpe
2024-06-13 23:32 ` Dave Jiang
2024-06-13 23:40 ` Jason Gunthorpe
2024-06-14 16:37 ` Dave Jiang
2024-06-03 15:53 ` [PATCH 4/8] taint: Add TAINT_FWCTL Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 5/8] fwctl: FWCTL_RPC to execute a Remote Procedure Call to device firmware Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 6/8] fwctl: Add documentation Jason Gunthorpe
2024-06-05 2:31 ` Randy Dunlap
2024-06-05 16:03 ` Jason Gunthorpe
2024-06-05 20:14 ` Randy Dunlap
2024-06-03 15:53 ` [PATCH 7/8] fwctl/mlx5: Support for communicating with mlx5 fw Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 8/8] mlx5: Create an auxiliary device for fwctl_mlx5 Jason Gunthorpe
2024-06-03 18:42 ` [PATCH 0/8] Introduce fwctl subystem Jakub Kicinski
2024-06-04 3:01 ` David Ahern
2024-06-04 14:04 ` Jakub Kicinski
2024-06-04 21:28 ` Saeed Mahameed
2024-06-04 22:32 ` Jakub Kicinski
2024-06-05 14:50 ` Jason Gunthorpe
2024-06-05 15:41 ` Jakub Kicinski
2024-06-04 23:56 ` Dan Williams
2024-06-05 3:05 ` Jakub Kicinski
2024-06-05 11:19 ` Jonathan Cameron
2024-06-05 13:59 ` Jason Gunthorpe
2024-06-06 2:35 ` David Ahern
2024-06-06 14:18 ` Jakub Kicinski
2024-06-06 14:48 ` Jason Gunthorpe
2024-06-06 15:05 ` Jakub Kicinski
2024-06-06 17:47 ` David Ahern
2024-06-07 6:48 ` Jiri Pirko
2024-06-07 14:50 ` David Ahern
2024-06-07 15:14 ` Jason Gunthorpe
2024-06-07 15:50 ` Jiri Pirko
2024-06-07 17:24 ` Jason Gunthorpe
2024-06-07 7:34 ` Jiri Pirko
2024-06-07 12:49 ` Andrew Lunn
2024-06-07 13:34 ` Jiri Pirko
2024-06-08 1:43 ` Jakub Kicinski
2024-06-06 4:56 ` Dan Williams
2024-06-06 8:50 ` Leon Romanovsky
2024-06-06 22:11 ` Dan Williams
2024-06-07 0:02 ` Jason Gunthorpe
2024-06-07 13:12 ` Leon Romanovsky [this message]
2024-06-06 14:41 ` Jason Gunthorpe
2024-06-06 14:58 ` Jakub Kicinski
2024-06-06 17:24 ` Dan Williams
2024-06-07 0:25 ` Jason Gunthorpe
2024-06-07 10:47 ` Przemek Kitszel
2024-06-11 15:36 ` Daniel Vetter
2024-06-11 16:17 ` Jason Gunthorpe
2024-06-11 16:54 ` Daniel Vetter
2024-06-06 1:58 ` David Ahern
2024-06-05 3:11 ` Jakub Kicinski
2024-06-05 12:06 ` Jason Gunthorpe
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