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Re: [Qemu-ppc] [PATCH qemu v3] RFC: ppc/spapr: Receive and store device

From: Alexey Kardashevskiy
Subject: Re: [Qemu-ppc] [PATCH qemu v3] RFC: ppc/spapr: Receive and store device tree blob from SLOF
Date: Mon, 8 Jan 2018 19:35:43 +1100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0

On 03/01/18 11:09, David Gibson wrote:
> On Tue, Jan 02, 2018 at 05:13:09PM +1100, Alexey Kardashevskiy wrote:
>> On 11/12/17 17:20, Alexey Kardashevskiy wrote:
>>> On 09/11/17 17:38, David Gibson wrote:
>>>> On Tue, Nov 07, 2017 at 06:14:04PM +1100, Alexey Kardashevskiy wrote:
>>>>> On 20/10/17 11:46, Alexey Kardashevskiy wrote:
>>>>>> On 19/10/17 17:24, David Gibson wrote:
>>>>>>> On Tue, Oct 17, 2017 at 04:55:03PM +1100, Alexey Kardashevskiy wrote:
>>>>>>>> On 16/10/17 20:36, David Gibson wrote:
>>>>>>>>> On Mon, Oct 16, 2017 at 04:20:04PM +1100, Alexey Kardashevskiy
>>>>>>>> wrote:
>>>>>>> [snip]
>>>>>>>>> ||
>>>>>>>>> Yeah.. this is all a bit complicated, I'm really thinking about a
>>>>>>>>> fdt_fsck() function for libfdt.
>>>>>>>> Oh. So what now? Do as below or wait for libdtc update?
>>>>>>> So I started hacking on this.  It's a bit fiddlier to get right than I
>>>>>>> anticipated.  How about you make a placeholder function to "test" the
>>>>>>> tree for now, with a comment that it will be updated once the libfdt
>>>>>>> extensions are there.
>>>>>> What would the placeholder do? Nothing or my proposed "FDT_CHK" thingy?
>>>>>> Are we in a hurry with this one at all, or I can wait till libfdt gets 
>>>>>> this
>>>>>> fsck()?
>>>>> Ping?
>>>>> This is not v2.11 material, is it?
>>>> Not at this stage, no.
>>>> I've started looking at writing the fdt_fsck() thing, but got
>>>> sidetracked by a bunch of related fixes to safety of handling
>>>> corrupted blobs in libfdt.
>>> Please let me know when I can repost the "
>>> ppc/spapr: Receive and store device tree blob from SLOF" again. Thanks.
>> Still to early to repost?
> No.

I looked at the recent libfdt (from qemu tree, sha1  e543880, v1.4.6) and
could not find fdt_fsck() or similar, and I was waiting for this really,
have I missed something?


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