Messages in this thread | | | Subject | Re: [PATCH 2/9] nouveau: reset dma_nr in nouveau_dmem_migrate_alloc_and_copy | From | Ralph Campbell <> | Date | Mon, 29 Jul 2019 16:18:12 -0700 |
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On 7/29/19 7:28 AM, Christoph Hellwig wrote: > When we start a new batch of dma_map operations we need to reset dma_nr, > as we start filling a newly allocated array. > > Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
> --- > drivers/gpu/drm/nouveau/nouveau_dmem.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c > index 38416798abd4..e696157f771e 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_dmem.c > +++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c > @@ -682,6 +682,7 @@ nouveau_dmem_migrate_alloc_and_copy(struct vm_area_struct *vma, > migrate->dma = kmalloc(sizeof(*migrate->dma) * npages, GFP_KERNEL); > if (!migrate->dma) > goto error; > + migrate->dma_nr = 0; > > /* Copy things over */ > copy = drm->dmem->migrate.copy_func; >
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