From: Przemek Kitszel <przemyslaw.kitszel@intel.com>
To: <jbrandeb@kernel.org>
Cc: <jbrandeburg@cloudflare.com>, <netdev@vger.kernel.org>,
<intel-wired-lan@lists.osuosl.org>,
Dave Ertman <david.m.ertman@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
"Czapnik, Lukasz" <lukasz.czapnik@intel.com>,
"Michal Swiatkowski" <michal.swiatkowski@linux.intel.com>,
Pawel Chmielewski <pawel.chmielewski@intel.com>
Subject: Re: [Intel-wired-lan] [PATCH net v1] ice: do not reserve resources for RDMA when disabled
Date: Fri, 15 Nov 2024 09:51:01 +0100 [thread overview]
Message-ID: <7c63c3db-072c-4f44-a487-f7e7de9f39e4@intel.com> (raw)
In-Reply-To: <20241114000105.703740-1-jbrandeb@kernel.org>
On 11/14/24 01:00, jbrandeb@kernel.org wrote:
> From: Jesse Brandeburg <jbrandeb@kernel.org>
>
> If the CONFIG_INFINIBAND_IRDMA symbol is not enabled as a module or a
> built-in, then don't let the driver reserve resources for RDMA.
>
> Do this by avoiding enabling the capability when scanning hardware
> capabilities.
>
> Fixes: d25a0fc41c1f ("ice: Initialize RDMA support")
> CC: Dave Ertman <david.m.ertman@intel.com>
> Signed-off-by: Jesse Brandeburg <jbrandeb@kernel.org>
> ---
Hi Jesse, it's good to hear back from you :)
we are already working on resolving the issue of miss-allocating
too many resources (would be good to know what beyond MSI-x'es
you care about) for RDMA in the default (likely non-RDMA heavy) case.
Here is a series from Michal that lets user to manage it a bit:
https://lore.kernel.org/netdev/20241114122009.97416-3-michal.swiatkowski@linux.intel.com/T/
and we want to post another one later that changes defaults from the
current "grab a lot when there are many CPUs" policy to more resonable
next prev parent reply other threads:[~2024-11-15 8:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-14 0:00 [Intel-wired-lan] [PATCH net v1] ice: do not reserve resources for RDMA when disabled jbrandeb
2024-11-14 11:32 ` Leon Romanovsky
2024-11-14 18:06 ` Ertman, David M
2024-11-15 18:46 ` Jesse Brandeburg
[not found] ` <acd9c54a-bfaa-44f3-94b3-85442277a65f@linux.dev>
[not found] ` <IA1PR11MB61942704E6FF9FDEE627DE7BDD232@IA1PR11MB6194.namprd11.prod.outlook.com>
2024-11-25 8:32 ` Przemek Kitszel
2024-11-15 8:51 ` Przemek Kitszel [this message]
2024-11-15 18:48 ` Jesse Brandeburg
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