[libvirt] [PATCH-for-4.2] hw/mips: Deprecate the r4k machine

[Philippe Mathieu-Daudé]

On Tue, Nov 26, 2019 at 11:03 PM Aleksandar Markovic
<aleksandar.m.mail at gmail.com> wrote:
> On Tuesday, November 26, 2019, Philippe Mathieu-Daudé <philmd at redhat.com> wrote:
>>
>> Hi Aleksandar,
>>
>> On 11/26/19 9:46 PM, Aleksandar Markovic wrote:
>>>
>>> On Mon, Nov 25, 2019 at 11:41 AM Philippe Mathieu-Daudé
>>> <philmd at redhat.com> wrote:
>>>>
>>>>
>>>> The r4k machine was introduced in 2005 (6af0bf9c7) and its last
>>>> logical change was in 2005 (9542611a6). After we can count 164
>>>> maintenance commits (QEMU API changes) with the exception of
>>>> 1 fix in 2015 (memory leak, commit 3ad9fd5a).
>>>>
>>>> This machine was introduced as a proof of concept to run a MIPS
>>>> CPU. 2 years later, the Malta machine was add (commit 5856de80)
>>>> modeling a real platform.
>>>>
>>>> Note also this machine has no specification except 5 lines in
>>>> the header of this file:
>>>>
>>>>   * emulates a simple machine with ISA-like bus.
>>>>   * ISA IO space mapped to the 0x14000000 (PHYS) and
>>>>   * ISA memory at the 0x10000000 (PHYS, 16Mb in size).
>>>>   * All peripherial devices are attached to this "bus" with
>>>>   * the standard PC ISA addresses.
>>>>
>>>> It is time to deprecate this obsolete machine. Users are
>>>> recommended to use the Malta board, which hardware is well
>>>> documented.
>>>>
>>>> Signed-off-by: Philippe Mathieu-Daudé <philmd at redhat.com>
>>>> ---
>>>
>>>
>>> Philippe,
>>>
>>> I see you added "libvir-list" in "cc". Was it a mistake, or there was
>>> some purpose?
>>
>>
>> I don't pick the series recipient manually, I send my series with git-publish. Here it used the default QEMU profile.
>>
>> All profiles call git-sendmail with the cc-cmd set to the get_maintainer.pl script:
>>
>> $ cat .gitpublish
>> #
>> # Common git-publish profiles that can be used to send patches to QEMU upstream.
>> #
>> # See https://github.com/stefanha/git-publish for more information
>> #
>> [gitpublishprofile "default"]
>> base = master
>> to = qemu-devel at nongnu.org
>> cccmd = scripts/get_maintainer.pl --noroles --norolestats --nogit --nogit-fallback 2>/dev/null
>>
>> Having a closer look, libvir-list list was Cc'ed because it is listed as reviewer of the qemu-deprecated.texi file, which was modified.
>>
>> ./scripts/get_maintainer.pl -f qemu-deprecated.texi
>> libvir-list at redhat.com (reviewer:Incompatible changes)
>> qemu-devel at nongnu.org (open list:All patches CC here)
>>
>
> OK. No problem. It just looked strange.
>
> As far as consuktations, I am just waiting for some responses within company to establish if somebody is perhaps using this machine with some ancient kernel. I got some opinions that are in favor of R4000 machine deprecating, but I need to wait for all relevant departments to confirm.
>
> What happened to TileGX?

Peter Maydell suggested to postpone deprecations for after 4.2, since
we are already at rc3 (and deprecating a target involves modifying the
./configure script).

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