linux-kernel - Re: [PATCH 2/3] drm: tweak header name

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Date:   Fri, 8 Feb 2019 09:56:59 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 2/3] drm: tweak header name

On Fri, Feb 08, 2019 at 01:02:58AM -0500, Michael S. Tsirkin wrote:
> Use linux/mman.h to make sure we get all mmap flags we need.
> 
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>

drmP.h is seriously deprecated (and a monster mess). If this fixes
anything, I think would be better to include the right header in the right
places, and leave drmP.h to die quietly ...

What exactly does this fix?
-Daniel

> ---
>  include/drm/drmP.h | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index bdb0d5548f39..a3184416ddc5 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -57,8 +57,7 @@
>  #include <linux/workqueue.h>
>  #include <linux/dma-fence.h>
>  #include <linux/module.h>
> -
> -#include <asm/mman.h>
> +#include <linux/mman.h>
>  #include <asm/pgalloc.h>
>  #include <linux/uaccess.h>
>  
> -- 
> MST
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch