Re: [PATCH v5 net] net: mana: Optimize irq affinity for low vcpu configs
| Newsgroups | org.kernel.vger.linux-hyperv,org.kernel.vger.linux-kernel,org.kernel.vger.netdev,org.kernel.vger.stable |
|---|---|
| Message-ID | <178240444427.3803792.16004003411741167135.git-patchwork-notify@kernel.org> |
Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski <[email protected]>: On Wed, 24 Jun 2026 00:21:35 -0700 you wrote: > Before the commit 755391121038 ("net: mana: Allocate MSI-X vectors > dynamically"), all the MANA IRQs were assigned statically and together > during early driver load. > > After this commit, the IRQ allocation for MANA was done in two phases. > HWC IRQ allocated earlier and then, queue IRQs dynamically added at a > later point. By this time, the IRQ weights on vCPUs can become imbalanced > and if IRQ count is greater than the vCPU count the topology aware IRQ > distribution logic in MANA can cause multiple MANA IRQs to land on the > same vCPUs, while other sibling vCPUs have none (case 1). > > [...] Here is the summary with links: - [v5,net] net: mana: Optimize irq affinity for low vcpu configs https://git.kernel.org/netdev/net/c/5316394b1752 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html