Re: [Qemu-devel] [PULL 00/45] Machine queue, 2018-10-18

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Igor Mammedov <imammedo@xxxxxxxxxx> writes:

> On Fri, 19 Oct 2018 17:23:21 -0300
> Eduardo Habkost <ehabkost@xxxxxxxxxx> wrote:
>
>> On Fri, Oct 19, 2018 at 09:53:45PM +0200, Igor Mammedov wrote:
>> > On Fri, 19 Oct 2018 15:44:08 -0300
>> > Eduardo Habkost <ehabkost@xxxxxxxxxx> wrote:
>> > 
>> > > On Fri, Oct 19, 2018 at 03:12:31PM +0100, Peter Maydell wrote:
>> > > > On 18 October 2018 at 21:03, Eduardo Habkost <ehabkost@xxxxxxxxxx> wrote:
>> > > > > The following changes since commit 09558375a634e17cea6cfbfec883ac2376d2dc7f:
>> > > > >
>> > > > >   Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20181016-1' into staging (2018-10-16 17:42:56 +0100)
>> > > > >
>> > > > > are available in the Git repository at:
>> > > > >
>> > > > >   git://github.com/ehabkost/qemu.git tags/machine-next-pull-request
>> > > > >
>> > > > > for you to fetch changes up to 6d8e1bcc7dd5e819ce81e6a87fffe23e39c700cc:
>> > > > >
>> > > > >   numa: Clean up error reporting in parse_numa() (2018-10-17 16:33:40 -0300)
>> > > > >
>> > > > > ----------------------------------------------------------------
>> > > > > Machine queue, 2018-10-18
>> > > > >
>> > > > > * sysbus init/realize cleanups
>> > > > >   (Cédric Le Goater, Philippe Mathieu-Daudé)
>> > > > > * memory-device refactoring (David Hildenbrand)
>> > > > > * -smp: deprecate incorrect CPUs topology (Igor Mammedov)
>> > > > > * -numa parsing cleanups (Markus Armbruster)
>> > > > > * Fix hostmem-file memory leak (Zhang Yi)
>> > > > > * Typo fix (Li Qiang)
>> > > > >
>> > > > > ----------------------------------------------------------------
>> > > > >
>> > > > 
>> > > > Hi. This had some problems in merge testing, I'm afraid:
>> > > > 
>> > > > On aarch64 host, warnings running tests/cpu-plug-test for i386 and s390 targets:
>> > > > 
>> > > > TEST: tests/cpu-plug-test... (pid=12602)
>> > > >   /i386/cpu-plug/pc-i440fx-3.0/cpu-add/1x3x2&maxcpus=12:
>> > > > qemu-system-i386: warning: Invalid CPU topology deprecated: sockets
>> > > > (1) * cores (3) * threads (2) != maxcpus (12)
>> > > [...]
>> > > > 
>> > > > (plus similar ppc64, x86_64 targets)
>> > > 
>> > > Ouch.  Apologies.
>> > > 
>> > > Can we please do something make sure "make check" will fail on
>> > > these cases?  I'd like to be able to trust CI systems like
>> > > travis-ci.
>> > > 
>> > 
>> > we probably don't want make check fail on warning.
>> 
>> I disagree.  If a warning is blocking a pull request from being
>> merged, it must make CI systems fail too.  Otherwise we're
>> defeating the purpose of CI systems.
>
> When we deprecate options we are bound to trigger warning which are not errors
> and are meant to be there until deprecated options are removed/tested by make check.
> So what would you suggest to do wrt tests that use deprecated features,
> drop testing for it?

We commonly suppress the warning when testing.  Search for
'if (qtest_enabled())'.

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