linux-kernel - Re: [PATCH 7/7] x86: remove the x86_dma_fallback

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Date:   Sat, 23 Mar 2019 12:28:55 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Christoph Hellwig <hch@....de>
cc:     Russell King <linux@...linux.org.uk>, x86@...nel.org,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        linux-doc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] x86: remove the x86_dma_fallback_dev hack

On Thu, 21 Mar 2019, Christoph Hellwig wrote:

Please change the subject to:

 x86/dma: Remove the .... hack

> Now that we removed support for the NULL device argument in the DMA API,
> there is no need to cater for that in the x86 code.

> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  arch/x86/include/asm/dma-mapping.h | 10 ----------
>  arch/x86/kernel/amd_gart_64.c      |  6 ------
>  arch/x86/kernel/pci-dma.c          | 20 --------------------
>  kernel/dma/mapping.c               |  7 -------
>  4 files changed, 43 deletions(-)

Feel free to route that through your DMA tree.

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>