7u8 Code Review Request for 7107613, 7107616, 7185471

[Seán Coffey]

Looking for a code review around the following perf. related backports 
to JDK 7u8. The changesets didn't apply cleanly but there was no major 
code differences encountered while porting.

Builds and security tests ran fine.

7107616: scalability blocker in javax.crypto.JceSecurityManager
jdk 8 changeset : http://hg.openjdk.java.net/jdk8/tl/jdk/rev/175036ada2e3
7u webrev : http://cr.openjdk.java.net/~coffeys/webrev.7107616.7u/
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7107616

7107613: scalability blocker in javax.crypto.CryptoPermissions
jdk 8 changeset : http://hg.openjdk.java.net/jdk8/tl/jdk/rev/114fbbeb8f75
7u webrev :  http://cr.openjdk.java.net/~coffeys/webrev.7107613.7u/
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7107613

7185471: Avoid key expansion when AES cipher is re-init w/ the same key
jdk 8 changeset : http://hg.openjdk.java.net/jdk8/tl/jdk/rev/9e97dacbfd35
7u webrev : http://cr.openjdk.java.net/~coffeys/webrev.7185471.7u/
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7185471


Regards,
Sean.