RFR(XS): 8211837: Creation of the default CDS Archive should depend on ENABLE_CDS

Ioi Lam ioi.lam at oracle.com
Mon Oct 8 15:32:13 UTC 2018


Looks good. Thanks for fixing this!

- Ioi


On 10/8/18 3:10 AM, Volker Simonis wrote:
> Hi Martin, Goetz,
>
> thanks for reviewing my patch! As Aleksey posted a similar patch for
> fixing the Zero build I've extended my patch to handle
> zero/minimal/core as well.
>
> In fact the patch now disables CDS on AIX, minimal, core and zero
> unless the user explicitly requests it with the help of
> `--with-jvm-features=cds`. The configuration variant with
> `--with-jvm-features=-cds` should now also be handled correctly (I
> hope caught all possible combinations :)
>
> If CDS is disabled, the creation of the default class list and default
> archive will now be disabled as well.
>
> @Aleksey Shipilev : can you please check if this new version of my
> patch also works for you?
>
> http://cr.openjdk.java.net/~simonis/webrevs/2018/8211837.v1/
>
> Thank you and best regards,
> Volker
> On Mon, Oct 8, 2018 at 11:10 AM Doerr, Martin <martin.doerr at sap.com> wrote:
>> Hi Volker,
>>
>> looks good. Thanks for fixing.
>> Of course, it would be great if this could be used to fix minimal/zero build, too.
>>
>> Best regards,
>> Martin
>>
>>
>> -----Original Message-----
>> From: hotspot-runtime-dev <hotspot-runtime-dev-bounces at openjdk.java.net> On Behalf Of Volker Simonis
>> Sent: Montag, 8. Oktober 2018 10:19
>> To: build-dev <build-dev at openjdk.java.net>; hotspot-runtime-dev at openjdk.java.net runtime <hotspot-runtime-dev at openjdk.java.net>
>> Subject: RFR(XS): 8211837: Creation of the default CDS Archive should depend on ENABLE_CDS
>>
>> Hi,
>>
>> can I please have a review for the following trivial build fix:
>>
>> http://cr.openjdk.java.net/~simonis/webrevs/2018/8211837/
>> https://bugs.openjdk.java.net/browse/JDK-8211837
>>
>> It makes no sense to try to create a default CDS archive on VMs which
>> don't support CDS at all. We already have '--enable_cds' which
>> defaults to 'true' on all platforms except AIX.
>>
>> The check for '--enable_cds_archive' should use the result of
>> '--enable_cds' (which is saved in "ENABLE_CDS") and only enable
>> default archive creation if CDS is enabled.
>>
>> Failure to do so currently breaks the AIX build (after JDK-)8202951 was pushed).
>>
>> Thank you and best regards,
>> Volker



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