linux-kernel - Re: iwlwifi problem with iommu/intel-iommu: Enable CONFIG_DMA_DIRECT_OPS=y and clean up intel_{alloc,free}

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Message-ID: <CADpTngUNvFZefnoMHJUhWT0LL_OXHpSzgYF+XxKbceRvKhFSjQ@mail.gmail.com>
Date:   Mon, 23 Jul 2018 14:28:16 +0200
From:   Fabio Coatti <fabio.coatti@...il.com>
To:     Christoph Hellwig <hch@....de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: iwlwifi problem with iommu/intel-iommu: Enable
 CONFIG_DMA_DIRECT_OPS=y and clean up intel_{alloc,free}_coherent()

Hi, any hope to see this backported to 4.17.X as well? Just to avoid to
revert that commit at every new release :)

Many thanks!

Il giorno gio 5 lug 2018 alle ore 21:31 Christoph Hellwig <hch@....de> ha
scritto:

> On Mon, Jul 02, 2018 at 08:23:00PM +0200, Fabio Coatti wrote:
> > Yep, it does. I issued a
> > git revert d657c5c73ca987214a6f9436e435b34fc60f332a
> > on mainline (4.18-rc3) and recompiled, the card works just fine.
>
> Thanks for confirming.  I'll end the revert to Linus this week.
>


-- 
Fabio

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