From: Nicolin Chen <nicoleotsuka@gmail.com>
To: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Cc: netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
linux-kernel@vger.kernel.org, ath10k@lists.infradead.org,
davem@davemloft.net, iommu@lists.linux-foundation.org,
tobias.klausmann@freenet.de, robin.murphy@arm.com,
Christoph Hellwig <hch@lst.de>,
kvalo@codeaurora.org
Subject: Re: regression in ath10k dma allocation
Date: Fri, 16 Aug 2019 15:25:07 -0700 [thread overview]
Message-ID: <20190816222506.GA24413@Asurada-Nvidia.nvidia.com> (raw)
In-Reply-To: <af96ea6a-2b17-9b66-7aba-b7dae5bcbba5@mni.thm.de>
Hi Tobias
On Fri, Aug 16, 2019 at 10:16:45PM +0200, Tobias Klausmann wrote:
> > 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@gmail.com>
> > Date: Wed May 29 17:54:25 2019 -0700
> >
> > dma-contiguous: fix !CONFIG_DMA_CMA version of dma_{alloc, free}_contiguous()
> 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!
For CONFIG_DMA_CMA=y, by judging the log with error code -12, I
feel this one should work for you. Would you please check if it
is included or try it out otherwise?
dma-contiguous: do not overwrite align in dma_alloc_contiguous()
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c6622a425acd1d2f3a443cd39b490a8777b622d7
Thanks
Nicolin
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next prev parent reply other threads:[~2019-08-16 22:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-16 16:08 regression in ath10k dma allocation Tobias Klausmann
2019-08-16 16:43 ` Christoph Hellwig
2019-08-16 20:16 ` Tobias Klausmann
2019-08-16 22:25 ` Nicolin Chen [this message]
2019-08-16 22:42 ` Tobias Klausmann
2019-08-18 3:13 ` Hillf Danton
2019-08-18 22:38 ` Tobias Klausmann
2019-08-20 1:58 ` Nicolin Chen
2019-08-20 2:14 ` Christoph Hellwig
2019-08-20 3:05 ` Christoph Hellwig
2019-08-20 6:58 ` Hillf Danton
2019-08-20 7:12 ` Christoph Hellwig
2019-08-20 20:24 ` Tobias Klausmann
2019-08-20 2:29 Hillf Danton
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