[Intel-gfx] [PATCH 4/4] i915: fix remap_io_sg to verify the pgprot

Serge Belyshev belyshev at depni.sinp.msu.ru
Mon May 17 13:09:42 UTC 2021


Christoph Hellwig <hch at lst.de> writes:

> As an ad-hoc experiment:  can you replace the call to remap_pfn_range
> with remap_pfn_range_notrack (and export it if you build i915 modular)
> in remap_io_sg and see if that makes any difference?

That worked, thanks -- no artifacts seen.


More information about the Intel-gfx mailing list