On 2016-06-14 19:14, Ben Greear wrote:
On 06/13/2016 11:21 PM, Rajkumar Manoharan wrote:
On 2016-06-02 23:22, Ben Greear wrote:
At the time, I bisected to this commit as well, but I decided to just
live with it
since it seemed it fixed some other bug and we had a work-around. My
understanding
is that without the patch above, some ARM systems failed to work.
Ben,
I posted a fix for the freeze issue
(https://patchwork.kernel.org/patch/9175029/). Can you please give a
try with VT-d disabled?
-Rajkumar
Yes, but it might be a bit. I just ported my patches to 4.7, and will
add yours
there. We are mainly focussed on getting a stable 4.4+ out the door
currently though.
Thanks..
Were you able to test on the ARM platform that originally had the
problem that
Felix's patch was supposed to fix?
I tested this patch on ARM platform. Unfortunately I did not observe
original dma_alloc_coherent failures. Felix replaced dma_alloc_coherent
by kmalloc + dma_map_single. I retained the logic as it is. Thee change
is that host memory chuck size for target is limited by 256 KiB.
-Rajkumar
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