[8u] request for approval: "8158260: PPC64: unaligned Unsafe.getInt can lead to the generation of illegal instructions"

[Rob McKenna]

Approved assuming the HS folks are ok with the test situation.

I'm not sure I get the sponsor question. If you are an approved committer to jdk8u-dev (which you appear to be) you can push, otherwise you would need a sponsor.

	-Rob

On 22/06/16 11:35, Volker Simonis wrote:
> Hi,
> 
> could you please approve the backport of the following ppc64-only fixe
> to jdk8u-dev:
> 
> 8158260: PPC64: unaligned Unsafe.getInt can lead to the generation of
> illegal instructions
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8158260
> Webrev: http://cr.openjdk.java.net/~simonis/webrevs/2016/8158260/
> Review: http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2016-June/023347.html
> URL: http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/5f3687f2143c
> 
> The original change has a JTreg test which uses the new
> jdk.internal.misc.Unsafe class and some of its features like
> Unsafe.unalignedAccess() which are not available in jdk8 so I propose
> to exclude the test from the downport.
> 
> Without the test the change only touches a ppc64 specific file and
> applies cleanly to jdk8u-dev:
> 
> http://cr.openjdk.java.net/~simonis/webrevs/2016/8158260_8u
> 
> As this backport is now truly "ppc64-only", can I push it directly to
> jdk8u-dev/hotspot or do I still need a sponsor?
> 
> Thank you and best regards,
> Volker