linux-kernel - Re: [PATCH v3 06/23] drm/qxl: use separate offset spaces for the two slots / ttm memory types.

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Message-ID: <80a3d205-78d2-f723-e452-b56c01a73b34@tronnes.org>
Date:   Fri, 25 Jan 2019 16:57:16 +0100
From:   Noralf Trønnes <noralf@...nnes.org>
To:     Gerd Hoffmann <kraxel@...hat.com>, dri-devel@...ts.freedesktop.org
Cc:     David Airlie <airlied@...ux.ie>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:DRM DRIVER FOR QXL VIRTUAL GPU" 
        <virtualization@...ts.linux-foundation.org>,
        "open list:DRM DRIVER FOR QXL VIRTUAL GPU" 
        <spice-devel@...ts.freedesktop.org>,
        Dave Airlie <airlied@...hat.com>
Subject: Re: [PATCH v3 06/23] drm/qxl: use separate offset spaces for the two
 slots / ttm memory types.



Den 18.01.2019 13.20, skrev Gerd Hoffmann:
> Without that ttm offsets are not unique, they can refer to objects
> in both VRAM and PRIV memory (aka main and surfaces slot).
> 
> One of those "why things didn't blow up without this" moments.
> Probably offset conflicts are rare enough by pure luck.
> 
> Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
> ---

Acked-by: Noralf Trønnes <noralf@...nnes.org>