I tested this patch with virtio-net regression tests, everything works fine.
Tested-by: Lei Yang <[email protected]> On Mon, Feb 24, 2025 at 4:20 PM <[email protected]> wrote: > > Hello: > > This patch was applied to netdev/net-next.git (main) > by David S. Miller <[email protected]>: > > On Tue, 18 Feb 2025 10:39:08 +0800 you wrote: > > There are several issues existed in start_xmit(): > > > > - Transmitted packets need to be freed before sending a packet, this > > introduces delay and increases the average packets transmit > > time. This also increase the time that spent in holding the TX lock. > > - Notification is enabled after free_old_xmit_skbs() which will > > introduce unnecessary interrupts if TX notification happens on the > > same CPU that is doing the transmission now (actually, virtio-net > > driver are optimized for this case). > > > > [...] > > Here is the summary with links: > - [net-next] virtio-net: tweak for better TX performance in NAPI mode > https://git.kernel.org/netdev/net-next/c/e13b6da7045f > > You are awesome, thank you! > -- > Deet-doot-dot, I am a bot. > https://korg.docs.kernel.org/patchwork/pwbot.html > > >
