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When rechecking for work after transitioning from a spinning to
non-spinning M, checking timers before GC isn't useful. That is, if
there is GC work available, it will run immediately and the updated
pollUntil is unused.
Move this check to just before netpoll, where pollUntil is used. While
this technically improves efficiency in the (rare) case that we find
GC work in this block, the primary motivation is simply to improve
clarity by moving the update closer to use.
For #43997
Change-Id: Ibc7fb308ac4a582875c200659c9e272121a89f3b
Reviewed-on: https://go-review.googlesource.com/c/go/+/308654
Trust: Michael Pratt <[email protected]>
Trust: Michael Knyszek <[email protected]>
Run-TryBot: Michael Pratt <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Michael Knyszek <[email protected]>
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