From: Jakub Kicinski <kuba@kernel.org>
To: Leon Romanovsky <leon@kernel.org>
Cc: Tariq Toukan <tariqt@nvidia.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
netdev@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>,
Alex Vesker <valex@nvidia.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Gal Pressman <gal@nvidia.com>,
Kalesh AP <kalesh-anakkur.purayil@broadcom.com>,
Kees Cook <kees@kernel.org>,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
Mark Bloch <mbloch@nvidia.com>,
Saeed Mahameed <saeedm@nvidia.com>,
Yevgeny Kliteynik <kliteyn@nvidia.com>
Subject: Re: [PATCH net RESEND] net/mlx5: Use unique names for software steering caches
Date: Tue, 4 Aug 2026 14:57:56 -0700 [thread overview]
Message-ID: <20260804145756.331951b7@kernel.org> (raw)
In-Reply-To: <20260804080455.GB326170@unreal>
On Tue, 4 Aug 2026 11:04:55 +0300 Leon Romanovsky wrote:
> On Mon, Aug 03, 2026 at 06:26:14PM -0700, Jakub Kicinski wrote:
> > On Fri, 31 Jul 2026 00:02:00 +0300 Tariq Toukan wrote:
> > > Prefix each cache name with the device name to make it unique.
> >
> > Why do we need a per-device kmem_cache?
> > Isn't the right fix to make this driver-level state?
>
> This kmem_cache is required only for software managed steering mode, which is
> configured per device by mlx5_fs_mode_set(). In general, resources
> should be allocated only when they are actually needed.
Of course you have to wrap the init in a lock and count users.
Trivial stuff.
next prev parent reply other threads:[~2026-08-04 21:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-30 21:02 [PATCH net RESEND] net/mlx5: Use unique names for software steering caches Tariq Toukan
2026-08-04 1:26 ` Jakub Kicinski
2026-08-04 8:04 ` Leon Romanovsky
2026-08-04 21:57 ` Jakub Kicinski [this message]
2026-08-06 11:17 ` Leon Romanovsky
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