Messages in this thread | | | Date | Wed, 22 May 2019 19:52:20 -0300 | From | Jason Gunthorpe <> | Subject | Re: [PATCH v4 0/1] Use HMM for ODP v4 |
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On Wed, May 22, 2019 at 06:42:11PM -0400, Jerome Glisse wrote:
> > > The way race is avoided is because mm->hmm will either be NULL or > > > point to another hmm struct before an existing hmm is free. > > > > There is no locking on mm->hmm so it is useless to prevent races. > > There is locking on mm->hmm
Not in mm_get_hmm()
> > So we agree this patch is necessary? Can you test it an ack it please? > > A slightly different patch than this one is necessary i will work on > it tomorrow.
I think if you want something different you should give feedback on this patch. You haven't rasied any defects with it.
Jason
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