linux-kernel - Re: [PATCH 3/5] dma-mapping: make support for dma ops optional

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Date:   Mon, 20 Jul 2020 08:20:24 +0200
From:   Christoph Hellwig <hch@....de>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Christoph Hellwig <hch@....de>, iommu@...ts.linux-foundation.org,
        Alexey Kardashevskiy <aik@...abs.ru>,
        Daniel Borkmann <daniel@...earbox.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Robin Murphy <robin.murphy@....com>,
        linux-kernel@...r.kernel.org,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 3/5] dma-mapping: make support for dma ops optional

On Sat, Jul 18, 2020 at 10:17:14AM -0700, Guenter Roeck wrote:
> On Wed, Jul 08, 2020 at 05:24:47PM +0200, Christoph Hellwig wrote:
> > Avoid the overhead of the dma ops support for tiny builds that only
> > use the direct mapping.
> > 
> > Signed-off-by: Christoph Hellwig <hch@....de>
> 
> For ppc:pmac32_defconfig and other configurations, this patch results in:

Fixed and force pushed.