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

Jakub Kicinski <[email protected]> Tue, 4 Aug 2026 14:57:56 -0700
Newsgroups gmane.linux.drivers.rdma,gmane.linux.network,gmane.linux.kernel
Message-ID <[email protected]>
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.