From: Mark Hounschell <markh@compro.net>
To: Christoph Hellwig <hch@lst.de>
Cc: Robin Murphy <robin.murphy@arm.com>,
Linux-kernel <linux-kernel@vger.kernel.org>,
dmaengine@vger.kernel.org
Subject: Re: [BUG] dma-mapping: remove CONFIG_DMA_REMAP
Date: Tue, 21 Jun 2022 10:06:59 -0400 [thread overview]
Message-ID: <9de341bc-fe8d-1820-187a-46455e4b9bf2@compro.net> (raw)
In-Reply-To: <20220621134837.GA8025@lst.de>
On 6/21/22 09:48, Christoph Hellwig wrote:
> 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.
No, this is not the original issue and we never actually had a
discussion. That original issue was about using Set/ClearPageReserved.
You nor Robin even tried to explain why it was wrong to use it. It was
never an issue in previous kernels. Why now? In any case I have removed
that code. This is what happens now.
What is it you think I am doing wrong. Except for using
Set/ClearPageReserved you have not explained anything to me.
Mark
next prev parent reply other threads:[~2022-06-21 14:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-21 13:43 Mark Hounschell
2022-06-21 13:48 ` Christoph Hellwig
2022-06-21 14:06 ` Mark Hounschell [this message]
2022-06-21 14:19 ` Christoph Hellwig
2022-06-21 14:31 ` Mark Hounschell
2022-06-21 14:51 ` Greg KH
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