Re: [Qemu-devel] [PATCH 0/2] Deprecate the "collie" machine and Strongarm devices

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 29/10/18 21:24, Guenter Roeck wrote:
> On Mon, Oct 29, 2018 at 04:03:40PM +0100, Philippe Mathieu-Daudé wrote:
>> On 29/10/18 15:09, Guenter Roeck wrote:
>>> On 10/29/18 6:24 AM, Peter Maydell wrote:
>>>> On 27 October 2018 at 12:04, Guenter Roeck <linux@roeck-us.net> wrote:
>>>>> On 10/26/18 3:12 AM, Peter Maydell wrote:
>>>>>> Hi Guenter; there's a proposal here to deprecate (and eventually
>>>>>> remove) the 'collie' board (strongarm) from QEMU. Is that one of
>>>>>> the ones you're currently using in your automated testing of Linux
>>>>>> kernels on QEMU?
>>>>>>
>>>>>
>>>>> Yes. I can run the test with older versions of qemu, so it is ok for me
>>>>> if it is removed (as long as that removal is not backported).

[...]

>>> Though not all of them are supported by upstream qemu. For some of them I
>>> carry local patches,
>>> for others I use out-of-tree versions of qemu (beagle/beaglexm).
>>
>> Are these patches upstream-able?
>>
> 
> Some of the patches (eg to be able to boot a Linux kernel image for mps2-an385
> directly from qemu, or zynq CPU clock rate changes to be able to do the same)
> have been rejected. A few patches were submitted at some point but got lost.
> I don't keep track, so I don't know the exact number. For some patches, such
> as basic BCM283x CPRMAN support (needed to boot raspi2), a better
> implementation was suggested, but didn't go anywhere as far as I know.
> 
> Some machines, such as beagle support, are from Linaro's tree and were never
> upstreamed by Linaro. The Linaro branch is based off qemu 2.3, so applying
> the changes to upstream qemu would be a major effort. I also use the m68k
> branch from github.com:vivier/qemu-m68k.git for m68k tests.
> 
> I carry some 20+ patches locally in my qemu tree. Some may be obsolete or
> not or no longer needed (my understanding of qemu is evolving). Sometimes,
> if and when I find the time, I pick some and try to upstream, but I often
> don't follow up if there is no response or if the requested changes are
> too substantial.
> 
> Please feel free to have a look at https://github.com/groeck/qemu
> (check the <version>-local branches) and let me know what might be
> upstreamable. I'll be happy to (re-)submit the respective patches.
> Note that I won't be able to make any substantial changes, though.
> Time is a scarce commodity nowadays, unfortunately.

Thank you for pointing your work, I'll try to salvage what I can.

Regards,

Phil.