linux-kernel - Re: [BUG] dma-mapping: remove CONFIG_DMA

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Message-ID: <20220621134837.GA8025@lst.de>
Date:   Tue, 21 Jun 2022 15:48:37 +0200
From:   Christoph Hellwig <hch@....de>
To:     Mark Hounschell <markh@...pro.net>
Cc:     Christoph Hellwig <hch@....de>,
        Robin Murphy <robin.murphy@....com>,
        Linux-kernel <linux-kernel@...r.kernel.org>,
        dmaengine@...r.kernel.org
Subject: Re: [BUG] dma-mapping: remove CONFIG_DMA_REMAP

On Tue, Jun 21, 2022 at 09:43:18AM -0400, Mark Hounschell wrote:
> Revert that commit and all works like normal. This commit breaks user land.

No.  We had that discussion before.  It exposeѕ how broken your out of
tree driver is, which you don't bother to fix despite Robin even taking
the pains to explain you how.