On 7/22/19 2:44 AM, Christoph Hellwig wrote:
Hi Jérôme, Ben and Jason,
below is a series against the hmm tree which fixes up the mmap_sem
locking in nouveau and while at it also removes leftover legacy HMM APIs
only used by nouveau.
The first 4 patches are a bug fix for nouveau, which I suspect should
go into this merge window even if the code is marked as staging, just
to avoid people copying the breakage.
Changes since v1:
- don't return the valid state from hmm_range_unregister
- additional nouveau cleanups
I ran some OpenCL tests from Jerome with nouveau and this series,
5.3.0-rc1, and my two HMM fixes:
("mm/hmm: fix ZONE_DEVICE anon page mapping reuse")
("mm/hmm: Fix bad subpage pointer in try_to_unmap_one")
You can add for the series:
Tested-by: Ralph Campbell <rcampbell@xxxxxxxxxx>
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