Messages in this thread | | | Subject | Re: [RFC PATCH] vfio: type1: fix kthread use case | From | Markus Elfring <> | Date | Mon, 6 Jul 2020 16:04:13 +0200 |
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… > +++ b/drivers/vfio/vfio_iommu_type1.c … > @@ -2812,11 +2815,10 @@ static int vfio_iommu_type1_dma_rw_chunk … > if (!mm) > return -EPERM; > > - if (kthread) > + if (kthread && use_mm)
Can another design approach make sense here?
+ bool thread_use_mm = ((current->flags & PF_KTHREAD) && !current->mm); + if (thread_use_mm)
> kthread_use_mm(mm); …
Regards, Markus
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