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From: Christoph Hellwig <hch@lst.de>
To: Sebastian Ott <sebott@linux.vnet.ibm.com>
Cc: Christoph Hellwig <hch@lst.de>,
	Jesper Nilsson <jesper.nilsson@axis.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	linux-kernel@vger.kernel.org
Subject: Re: dma_zalloc_coherent broken with 57bf5a8963f80fb3828c46c3e3a5b2dd790e09a7
Date: Tue, 27 Mar 2018 18:45:05 +0200	[thread overview]
Message-ID: <20180327164505.GA10522@lst.de> (raw)
In-Reply-To: <alpine.LFD.2.21.1803271717580.26440@schleppi>

On Tue, Mar 27, 2018 at 05:24:10PM +0200, Sebastian Ott wrote:
> What do you mean by current implementations? Arch specific code? At least
> on s390 we don't do that. dma-mapping.h doesn't do it either.

The arch implementations should do it.  Seems like s390 and potentially
a few others don't.  I'm a little slow due to a cast on one arm, but I'll
do an audit and will fix up anything I'll find.

  reply	other threads:[~2018-03-27 16:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-27  8:12 dma_zalloc_coherent broken with 57bf5a8963f80fb3828c46c3e3a5b2dd790e09a7 Sebastian Ott
2018-03-27  8:21 ` Geert Uytterhoeven
2018-03-27  8:41   ` Sebastian Ott
2018-03-27  8:51     ` Geert Uytterhoeven
2018-03-27 14:33 ` Christoph Hellwig
2018-03-27 15:24   ` Sebastian Ott
2018-03-27 16:45     ` Christoph Hellwig [this message]
2018-03-27 17:04       ` Sebastian Ott
2018-03-28 11:57         ` Christoph Hellwig

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