Re: spi: race in spi_finalize_current_message starting queue_kthread_work before the message is unmapped

[Martin Sperl <kernel@xxxxxxxxxxxxxxxx>]

> On 12.05.2015, at 18:50, Mark Brown <broonie@xxxxxxxxxx> wrote:
> 
>> And inside __spi_map_msg we can just add some code to create the simple
>> scatter-gather mapping using a single preallocated page - so something
>> along the lines (assuming that either tx_buf or rx_buf must be set):
> 
> Yes, to repeat what I said earlier I'm hoping someone with a need for
> this will implement it.

Actually I was asking these questions to have some guidelines what is
acceptable and what is not for the implementation

So, I got a patch now that works with all my test cases (tft-framebuffer
device as well as enc28j60).

Submitting it shortly for review.

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