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