Re: [PATCH net-next 03/10] devlink: Serialize access to rate domains
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From: Jakub Kicinski <kuba@kernel.org>
Date: 2025-02-26 01:40:07
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On Tue, 25 Feb 2025 14:36:07 +0100 Jiri Pirko wrote:
quoted
The problem comes from having a devlink instance per function / port rather than for the ASIC. Spawn a single instance and the problem will go away 🤷️Yeah, we currently have VF devlink ports created under PF devlink instance. That is aligned with PCI geometry. If we have a single per-ASIC parent devlink, this does not change and we still need to configure cross PF devlink instances.
Why would there still be PF instances? I'm not suggesting that you create a hierarchy of instances.
The only benefit I see is that we don't need rate domain, but we can use parent devlink instance lock instead. The locking ordering might be a bit tricky to fix though.