On 2022-01-28 7:22 a.m., Jason Gunthorpe wrote: > On Thu, Jan 27, 2022 at 05:26:12PM -0700, Logan Gunthorpe wrote: >> When P2PDMA pages are passed to userspace, they will need to be >> reference counted properly and returned to their genalloc after their >> reference count returns to 1. This is accomplished with the existing > > It is reference count returns to 0 now, right? Right, yes. Thanks, Logan _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
- [PATCH v5 00/24] Userspace P2PDMA with O_DIRE... Logan Gunthorpe
- [PATCH v5 21/24] block: set FOLL_PCI_P2P... Logan Gunthorpe
- [PATCH v5 24/24] nvme-pci: allow mmaping... Logan Gunthorpe
- [PATCH v5 01/24] ext4/xfs: add page refc... Logan Gunthorpe
- Re: [PATCH v5 01/24] ext4/xfs: add p... Chaitanya Kulkarni via iommu
- [PATCH v5 22/24] mm: use custom page_fre... Logan Gunthorpe
- Re: [PATCH v5 22/24] mm: use custom ... Jason Gunthorpe
- Re: [PATCH v5 22/24] mm: use cus... Logan Gunthorpe
- [PATCH v5 04/24] PCI/P2PDMA: Attempt to ... Logan Gunthorpe
- [PATCH v5 23/24] PCI/P2PDMA: Introduce p... Logan Gunthorpe
- [PATCH v5 19/24] lib/scatterlist: add ch... Logan Gunthorpe
- [PATCH v5 20/24] block: set FOLL_PCI_P2P... Logan Gunthorpe
- [PATCH v5 03/24] lib/scatterlist: add fl... Logan Gunthorpe
- [PATCH v5 02/24] mm: remove extra ZONE_D... Logan Gunthorpe
- Re: [PATCH v5 02/24] mm: remove extr... Jason Gunthorpe
- Re: [PATCH v5 02/24] mm: remove ... Logan Gunthorpe
- Re: [PATCH v5 02/24] mm: remove ... Ralph Campbell via iommu
- [PATCH v5 11/24] nvme-pci: check DMA ops... Logan Gunthorpe