Re: [PATCH] scsi: storvsc: Prefer returning channel with the same CPU as on the I/O issuing CPU
From: Martin K. Petersen
Date: Mon Oct 06 2025 - 22:05:59 EST
Long,
> When selecting an outgoing channel for I/O, storvsc tries to select a
> channel with a returning CPU that is not the same as issuing CPU. This
> worked well in the past, however it doesn't work well when the Hyper-V
> exposes a large number of channels (up to the number of all CPUs). Use
> a different CPU for returning channel is not efficient on Hyper-V.
Applied to 6.18/scsi-staging, thanks!
--
Martin K. Petersen