Re: [PATCH 1/2] net/socket: Record preference for synchronous wakeups

Srikar Dronamraju wrote:

Scheduler differentiates between affine and non-affine wakeups by the
way of sync flags. Scheduler prefers to pull the tasks towards the waker
if the sync flag is set.

In some cases, socket APIs are blindly requesting sync wakeups. This may
cause load-balance issues and non-optimal performance.

Record whether the most recent blocking socket operation could benefit

What is the heuristic that determines this?

If respinning, please state that explicitly in the commit message.

from synchronous wakeups. Subsequent readiness notifications use this
hint to determine whether WF_SYNC should be propagated.

The flag is advisory and affects only wakeup placement decisions.

Signed-off-by: Srikar Dronamraju <redacted>