Re: [PATCH net RESEND] net/mlx5: Use unique names for software steering caches

Leon Romanovsky <[email protected]> Tue, 4 Aug 2026 11:04:55 +0300
Newsgroups gmane.linux.drivers.rdma,gmane.linux.network,gmane.linux.kernel
Message-ID <20260804080455.GB326170@unreal>
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.

I personally run everything in FW-managed steering mode, so this
kmem_cache is useless to me.

Thanks