[jdk16u] RFR: 8258490: Shenandoah: Full GC does not need to remark threads and drain SATB buffers

[Zhengyu Gu]

On Mon, 1 Mar 2021 11:35:08 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> This fixes a minor Shenandoah inefficiency and allows clean backports of other fixes.

Marked as reviewed by zgu (Reviewer).

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PR: https://git.openjdk.java.net/jdk16u/pull/52