PING^2 [8u] Request for enhancement backport approval for 8154156: PPC64: improve array copy stubs by using vector instructions

Kazunori Ogata OGATAK at jp.ibm.com
Fri Jan 18 04:18:43 UTC 2019


Hi Andrew^2,

Thank you for your comments.  I understand what you mean.  The problem is 
there is no PPC64 expert in the current jdk8u reviewers, as far as I know. 
 I realized we need discussion to solve this situation first.

Regards,
Ogata

"jdk8u-dev" <jdk8u-dev-bounces at openjdk.java.net> wrote on 2019/01/18 
12:33:04:

> From: Andrew Hughes <gnu.andrew at redhat.com>
> To: Gustavo Romero <gromero at linux.vnet.ibm.com>
> Cc: jdk8u-dev <jdk8u-dev at openjdk.java.net>
> Date: 2019/01/18 12:34
> Subject: Re: PING^2 [8u] Request for enhancement backport approval for 
> 8154156: PPC64: improve array copy stubs by using vector instructions
> Sent by: "jdk8u-dev" <jdk8u-dev-bounces at openjdk.java.net>
> 
> On Wed, 16 Jan 2019 at 21:36, Gustavo Romero 
<gromero at linux.vnet.ibm.com> wrote:
> >
> > Hello community,
> >
> > Could somebody kindly point me out to what is missing (if anything) in
> > order to proceed with the approval for this backport?
> >
> > This change is the first of a series of PPC64 backports planned to 
jdk8u,
> > like AES BE, SHA2, and latest CRC32 enhancements, so it's blocking
> > important PPC64 backports.
> >
> > As Ogata pointed out, it's already reviewed by Martin from SAP on the
> > hotspot-compiler-dev ML:
> >
> > 
https://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2019-January/031998.html

> >
> > I understand the review from Martin is sufficient for this approval, 
which
> > is hotspot/PPC64-only.
> >
> > Thank you.
> >
> > Best regards,
> > Gustavo
> >
> > On 01/15/2019 07:14 AM, Kazunori Ogata wrote:
> > > Hi,
> > >
> > > Ping.  Can anyone approve an enhancement backport request for 
8154156:
> > > PPC64: improve array copy stubs by using vector instructions?
> > >
> > > Regards,
> > > Ogata
> > >
> 
> I have no objection to approving this when it reaches that stage, but it 
does
> need an appropriate review first, and, like Andrew Haley, I don't feel
> this is within
> my competency to review.
> 
> There is a list of jdk8u reviewers here:
> 
> https://openjdk.java.net/census#jdk8u
> 
> If there is someone with the expertise to review PPC patches, but they 
are not
> on this reviewers list, we could nominate them to that role, as we did 
recently
> with Andrew Haley.
> 
> Regards,
> -- 
> Andrew :)
> 
> Senior Free Java Software Engineer
> Red Hat, Inc. (http://www.redhat.com)
> 
> Web Site: http://fuseyism.com
> Twitter: https://twitter.com/gnu_andrew_java
> PGP Key: ed25519/0xCFDA0F9B35964222 (hkp://keys.gnupg.net)
> Fingerprint = 5132 579D D154 0ED2 3E04  C5A0 CFDA 0F9B 3596 4222
> 




More information about the jdk8u-dev mailing list