coprocessor: fix data race for tiflash work index in region cache (#19198) #19361
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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LGTM |
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cherry-pick #19198 to release-3.1
What problem does this PR solve?
Issue Number: close #19353
Problem Summary: found the data race in https://internal.pingcap.net/idc-jenkins/blue/organizations/jenkins/tidb_ghpr_unit_test/detail/tidb_ghpr_unit_test/46260/pipeline
What is changed and how it works?
What's Changed: operate TiFlashWorkIndex by
atomic.Related changes
Check List
Tests
Side effects
Release note