git: openjdk/jdk15u-dev: 8273026: Slow LoginContext.login() on multi threading application

[Yuri Nesterenko]

Changeset: 408901d0
Author:    Ilarion Nakonechnyy <Ilarion at azul.com>
Committer: Yuri Nesterenko <yan at openjdk.org>
Date:      2021-11-23 15:10:50 +0000
URL:       https://git.openjdk.java.net/jdk15u-dev/commit/408901d0f87c89ebf3fccb5af0d700eb5696d1fe

8273026: Slow LoginContext.login() on multi threading application

Reviewed-by: yan
Backport-of: c0cda1db4fe74b86faa12136336bdf98c96758d2

! src/java.base/share/classes/javax/security/auth/login/LoginContext.java
! test/jdk/javax/security/auth/spi/Loader.java
! test/jdk/javax/security/auth/spi/SecondLoginModule.java