RFR(xxs): 8216982: Assertion poison page established too early

[David Holmes]

Looks good.

Please update copyright year to 2019.

Thanks,
David

On 15/01/2019 1:15 am, Thomas Stüfe wrote:
> Hi all,
> 
> may I please have a review for the following fix:
> 
> cr:
> http://cr.openjdk.java.net/~stuefe/webrevs/jdk-8216982-assertion-poison-page-established-too-early/webrev.00/webrev/
> bug: https://bugs.openjdk.java.net/browse/JDK-8216982
> 
> In short, the assertion poison page is established during initialization
> using os::reserve/commit_memory; however, the os:: subsystem is not yet
> fully initialized at that point.
> 
> The patch moves the initialization after os::init_2(), it is now
> established at the same point as the safepoint polling page. The
> initialization can moved back safely - the only drawbacks would be asserts
> happening earlier than this point not having register output in the error
> file.
> 
> Thanks, Thomas
>