Am 06.03.2018 um 10:15 schrieb Daniel Vetter:
On Wed, Feb 28, 2018 at 11:25:59AM +0100, Christian König wrote:
Am 28.02.2018 um 10:48 schrieb Lucas Stach:
Hi Christian,

Am Dienstag, den 27.02.2018, 12:49 +0100 schrieb Christian König:
Unpin the GEM object only after freeing the sg table.
What is the race that is being fixed here? The SG table is private to
the importer and the importer should hopefully only call map_detach if
it is done with all operations using the SG table. Thus it shouldn't
matter that the SG table might point to moved pages during execution of
this function.
Exactly, it shouldn't matter. This is just a precaution.

When the device driver is buggy I want proper error messages from IOMMU and
not accessing pages which might already be reused for something else.
Please add this to the commit message, rather crucial to understand the
motivation. With that fixed you can have my

Reviewed-by: Daniel Vetter <>

And pls push to drm-misc.

Can I use standard git for that now? I really don't want to mess with dim in my environment.

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