linux-kernel - Re: linux-next: build failure after merge of the drm-misc tree

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Date:   Mon, 2 Nov 2020 06:05:12 -0500
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Intel Graphics <intel-gfx@...ts.freedesktop.org>,
        DRI <dri-devel@...ts.freedesktop.org>,
        Christian K??nig <christian.koenig@....com>,
        Joerg Roedel <jroedel@...e.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the drm-misc tree

On Mon, Nov 02, 2020 at 10:27:11AM +0000, Christoph Hellwig wrote:
> On Mon, Nov 02, 2020 at 10:28:34AM +0100, Daniel Vetter wrote:
> > > --- a/include/linux/swiotlb.h
> > > +++ b/include/linux/swiotlb.h
> > > @@ -5,6 +5,9 @@
> > >  #include <linux/dma-direction.h>
> > >  #include <linux/init.h>
> > >  #include <linux/types.h>
> > > +#ifndef CONFIG_SWIOTLB
> > > +#include <linux/limits.h>
> > > +#endif
> 
> No conditional includes please.  And the proper fix for the reported
> issue is to stop poking into swiotlb internals in random drivers..

Meaning?