[PATCH v8 2/4] ath10k: provide firmware crash info via debugfs

Kalle Valo kvalo at qca.qualcomm.com
Fri Aug 22 07:34:43 PDT 2014

Johannes Berg <johannes at sipsolutions.net> writes:

> On Thu, 2014-08-21 at 17:40 +0300, Kalle Valo wrote:
>> Heh, this has been a pretty long review period. To be honest I really
>> would like to get this just out of my hands :) And we do have a need for
>> this. When are you planning to implement that generic framework?
> Soon (TM). We need it, so really, I should do it soon.
>> What I understood is that this is already pretty close what you are
>> planning. Instead of creating a debugfs file of our own and allocating a
>> vmalloc buffer (which we do now), we would just use the buffer provided
>> by cfg80211 (or whatever component that would be) and use the sysfs file
>> the framework provides. So hopefully it would be pretty easy to convert
>> this to use your framework.
> I'm thinking now that since vmalloc space is limited on some
> architectures, we should just have a list of pages, but of course we
> could copy it there from vmalloc area.
> Anyway, yes, it should be fairly simple to convert - but is it worth it
> for you to have it now? Depends how you use it, I guess.

We really would have use for this, that's why I'm hesitant to wait more.
Even having this from an "unofficial" location would be a big help. If
it's ok for you, I would like to apply this once all review comments are
addressed. But naturally if you think it's better to wait, I will do

Kalle Valo

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