scx_flatcg: Make good use of __sync_fetch_and_sub() #412
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Fetch the value of "delta" directly from the returned value from __sync_fetch_and_sub, as it returns the origin value of cgc->cvtime_delta. Additional fetching instruction of cgc->cvtime_delta would be redundant here. Signed-off-by: I Hsin Cheng <[email protected]>
htejun
approved these changes
Jul 5, 2024
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Summary
Fetch the value of
deltadirectly from the returned value from__sync_fetch_and_sub, as it returns the origin value ofcgc->cvtime_delta.Additional fetching instruction of
cgc->cvtime_deltawould be redundant here.