From: Jason Gunthorpe <jgg@nvidia.com>
To: Alexander Duyck <alexander.duyck@gmail.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
Leon Romanovsky <leon@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Saeed Mahameed <saeedm@nvidia.com>,
Leon Romanovsky <leonro@nvidia.com>,
Jakub Kicinski <kuba@kernel.org>,
linux-pci <linux-pci@vger.kernel.org>,
linux-rdma@vger.kernel.org, Netdev <netdev@vger.kernel.org>,
Don Dutile <ddutile@redhat.com>,
Alex Williamson <alex.williamson@redhat.com>,
"David S . Miller" <davem@davemloft.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH mlx5-next v7 0/4] Dynamically assign MSI-X vectors count
Date: Thu, 11 Mar 2021 19:20:59 -0400 [thread overview]
Message-ID: <20210311232059.GR2356281@nvidia.com> (raw)
In-Reply-To: <CAKgT0Ud1tzpAWO4+5GxiUiHT2wEaLacjC0NEifZ2nfOPPLW0cg@mail.gmail.com>
On Thu, Mar 11, 2021 at 01:49:24PM -0800, Alexander Duyck wrote:
> > We don't need to invent new locks and new complexity for something
> > that is trivially solved already.
>
> I am not wanting a new lock. What I am wanting is a way to mark the VF
> as being stale/offline while we are performing the update. With that
> we would be able to apply similar logic to any changes in the future.
I think we should hold off doing this until someone comes up with HW
that needs it. The response time here is microseconds, it is not worth
any complexity
Jason
next prev parent reply other threads:[~2021-03-11 23:22 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-01 7:55 [PATCH mlx5-next v7 0/4] Dynamically assign MSI-X vectors count Leon Romanovsky
2021-03-01 7:55 ` [PATCH mlx5-next v7 1/4] PCI: Add a sysfs file to change the MSI-X table size of SR-IOV VFs Leon Romanovsky
2021-03-01 8:14 ` Greg Kroah-Hartman
2021-03-01 8:32 ` Leon Romanovsky
2021-03-01 8:37 ` Greg Kroah-Hartman
2021-03-01 8:53 ` Leon Romanovsky
2021-03-01 7:55 ` [PATCH mlx5-next v7 2/4] net/mlx5: Add dynamic MSI-X capabilities bits Leon Romanovsky
2021-03-01 7:55 ` [PATCH mlx5-next v7 3/4] net/mlx5: Dynamically assign MSI-X vectors count Leon Romanovsky
2021-03-01 7:55 ` [PATCH mlx5-next v7 4/4] net/mlx5: Implement sriov_get_vf_total_msix/count() callbacks Leon Romanovsky
2021-03-07 8:11 ` [PATCH mlx5-next v7 0/4] Dynamically assign MSI-X vectors count Leon Romanovsky
2021-03-07 18:55 ` Alexander Duyck
2021-03-07 19:19 ` Leon Romanovsky
2021-03-08 16:33 ` Alexander Duyck
2021-03-08 19:20 ` Leon Romanovsky
2021-03-10 19:09 ` Bjorn Helgaas
2021-03-10 20:10 ` Leon Romanovsky
2021-03-10 20:21 ` Greg Kroah-Hartman
2021-03-11 8:37 ` Leon Romanovsky
2021-03-10 23:34 ` Alexander Duyck
2021-03-11 18:17 ` Bjorn Helgaas
2021-03-11 19:16 ` Keith Busch
2021-03-11 19:21 ` Leon Romanovsky
2021-03-11 20:22 ` Jason Gunthorpe
2021-03-11 20:50 ` Keith Busch
2021-03-11 21:44 ` Jason Gunthorpe
2021-03-25 17:21 ` Bjorn Helgaas
2021-03-25 17:36 ` Jason Gunthorpe
2021-03-25 18:20 ` Bjorn Helgaas
2021-03-25 18:28 ` Jason Gunthorpe
2021-03-26 6:44 ` Leon Romanovsky
2021-03-26 16:00 ` Alexander Duyck
2021-03-26 16:56 ` Jason Gunthorpe
2021-03-26 17:08 ` Bjorn Helgaas
2021-03-26 17:12 ` Jason Gunthorpe
2021-03-27 6:00 ` Leon Romanovsky
2021-03-26 17:29 ` Keith Busch
2021-03-26 17:31 ` Jason Gunthorpe
2021-03-26 18:50 ` Alexander Duyck
2021-03-26 19:01 ` Jason Gunthorpe
2021-03-30 1:29 ` Bjorn Helgaas
2021-03-30 13:57 ` Jason Gunthorpe
2021-03-30 15:00 ` Bjorn Helgaas
2021-03-30 19:47 ` Jason Gunthorpe
2021-03-30 20:41 ` Bjorn Helgaas
2021-03-30 22:43 ` Jason Gunthorpe
2021-03-31 6:38 ` Greg Kroah-Hartman
2021-03-31 12:19 ` Jason Gunthorpe
2021-03-31 15:03 ` Greg Kroah-Hartman
2021-03-31 17:07 ` Jason Gunthorpe
2021-03-31 4:08 ` Leon Romanovsky
2021-04-01 1:23 ` Bjorn Helgaas
2021-04-01 11:49 ` Leon Romanovsky
2021-03-30 18:10 ` Keith Busch
2021-03-26 19:36 ` Bjorn Helgaas
2021-03-27 12:38 ` Greg Kroah-Hartman
2021-03-25 18:31 ` Keith Busch
2021-03-25 18:36 ` Jason Gunthorpe
2021-03-11 19:17 ` Leon Romanovsky
2021-03-11 19:37 ` Alexander Duyck
2021-03-11 19:51 ` Leon Romanovsky
2021-03-11 20:11 ` Alexander Duyck
2021-03-11 20:19 ` Jason Gunthorpe
2021-03-11 21:49 ` Alexander Duyck
2021-03-11 23:20 ` Jason Gunthorpe [this message]
2021-03-12 2:53 ` Alexander Duyck
2021-03-12 6:32 ` Leon Romanovsky
2021-03-12 16:59 ` Alexander Duyck
2021-03-12 17:03 ` Jason Gunthorpe
2021-03-12 18:34 ` Leon Romanovsky
2021-03-12 18:41 ` Leon Romanovsky
2021-03-12 13:00 ` Jason Gunthorpe
2021-03-12 13:36 ` Keith Busch
2021-03-11 20:31 ` Jason Gunthorpe
2021-03-10 5:58 ` Leon Romanovsky
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