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

[Leon Romanovsky]

On Mon, Sep 14, 2026 at 10:58:43AM +0200, Christian Borntraeger wrote:
> Am 06.08.26 um 13:17 schrieb Leon Romanovsky:
> > On Tue, Aug 04, 2026 at 02:57:56PM -0700, Jakub Kicinski wrote:
> > > 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.
> > 
> > I don't see why we should abandon the simple, architecturally
> > correct approach of allocating and managing resources where they
> > belong in favor of a more complex global scheme involving locking
> > and reference counting.
> > 
> Any updates on this?

No, we are waiting for Jakub to explain why should we complicate simple
and working solution.

Thanks