From: Christoph Hellwig <hch@infradead.org>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Christoph Hellwig <hch@infradead.org>, linuxppc-dev@lists.ozlabs.org
Subject: Re: question on "powerpc/pseries/dma: Allow SWIOTLB"
Date: Mon, 22 Jul 2019 02:23:06 -0700 [thread overview]
Message-ID: <20190722092306.GA12167@infradead.org> (raw)
In-Reply-To: <5c38b824-f703-bf97-3752-0f315b79b5a7@ozlabs.ru>
On Sat, Jul 20, 2019 at 09:22:49PM +1000, Alexey Kardashevskiy wrote:
>
>
> On 19/07/2019 22:25, Christoph Hellwig wrote:
> > On Fri, Jul 19, 2019 at 06:23:59PM +1000, Alexey Kardashevskiy wrote:
> >> It is getting there and I still do not see why "swiotlb=force" should not
> >> work if chosed in the cmdline.
> >
> > Ok, makes sense. But that means we also have the issue in a few
> > other places..
>
> Hmm, where? I got broadcom ethernet working with this.
In all the other IOMMU drivers that conditionally forward to the dma
direct ops. So it shouldn't affect powerpc.
prev parent reply other threads:[~2019-07-22 9:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-19 7:10 question on "powerpc/pseries/dma: Allow SWIOTLB" Christoph Hellwig
2019-07-19 7:52 ` Alexey Kardashevskiy
2019-07-19 7:53 ` Christoph Hellwig
2019-07-19 8:00 ` Alexey Kardashevskiy
2019-07-19 8:05 ` Christoph Hellwig
2019-07-19 8:23 ` Alexey Kardashevskiy
2019-07-19 12:25 ` Christoph Hellwig
2019-07-20 11:22 ` Alexey Kardashevskiy
2019-07-22 9:23 ` Christoph Hellwig [this message]
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