linux-kernel - Re: dma-api debugfs directory is not created since debugfs is not initialized

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Message-ID: <YIgvezyA3pC51uvj@Red>
Date:   Tue, 27 Apr 2021 17:36:27 +0200
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     rafael@...nel.org, hch@....de, m.szyprowski@...sung.com,
        robin.murphy@....com, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: dma-api debugfs directory is not created since debugfs is not
 initialized

Le Tue, Apr 27, 2021 at 01:39:16PM +0200, Greg KH a écrit :
> On Tue, Apr 27, 2021 at 01:34:27PM +0200, Corentin Labbe wrote:
> > Hello
> > 
> > I try to debug some DMA problem on next-20210427, and so I have enabled CONFIG_DMA_API_DEBUG=y.
> > But the dma-api directory does show up in debugfs, but lot of other directory exists in it.
> 
> Does it show up properly in 5.12?
> 

No (Tested on a qemu x86_64)