netdev - Re: regression in ath10k dma allocation

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Date:   Fri, 16 Aug 2019 22:16:45 +0200
From:   Tobias Klausmann <tobias.johannes.klausmann@....thm.de>
To:     Christoph Hellwig <hch@....de>
Cc:     kvalo@...eaurora.org, davem@...emloft.net,
        ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        nicoleotsuka@...il.com, m.szyprowski@...sung.com,
        robin.murphy@....com, iommu@...ts.linux-foundation.org,
        tobias.klausmann@...enet.de
Subject: Re: regression in ath10k dma allocation


On 16.08.19 18:43, Christoph Hellwig wrote:
> Hi Tobias,
>
> do you have CONFIG_DMA_CMA set in your config?  If not please make sure
> you have this commit in your testing tree, and if the problem still
> persists it would be a little odd and we'd have to dig deeper:
>
> commit dd3dcede9fa0a0b661ac1f24843f4a1b1317fdb6
> Author: Nicolin Chen <nicoleotsuka@...il.com>
> Date:   Wed May 29 17:54:25 2019 -0700
>
>      dma-contiguous: fix !CONFIG_DMA_CMA version of dma_{alloc, free}_contiguous()
>

Hi Christoph,

yes CONFIG_DMA_CMA is set (=y, see attached config), the commit you 
mention above is included, if you have any hints how to go forward, 
please let me know!

Greetings,

Tobias


View attachment "config-rc4" of type "text/plain" (150533 bytes)