Integrated: 8261445: Use memory_order_relaxed for os::random().

Tue Apr 20 08:13:17 UTC 2021

On Tue, 9 Feb 2021 14:49:12 GMT, Andrew Haley <aph at openjdk.org> wrote:

> os::random() is used a lot (once for every class) during HotSpot initialization, and it defaults to using a compare-and-swap operation with memory_order_conservative. We don't need that: it should be memory_order_relaxed.

This pull request has now been integrated.

Changeset: a25bae82
Author:    Andrew Haley <aph at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/a25bae82
Stats:     1 line in 1 file changed: 0 ins; 0 del; 1 mod

8261445: Use memory_order_relaxed for os::random().

Reviewed-by: adinn, eosterlund, mdoerr, dholmes

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PR: https://git.openjdk.java.net/jdk/pull/2484