Re: [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist

On Wed, Aug 07, 2019 at 07:43:01AM -0500, Bjorn Helgaas wrote: > On Wed, Aug 07, 2019 at 07:59:58AM +0200, Christoph Hellwig wrote: > > no-mmu sounds stange, as we use that for linux ports without paging > > hardware. I think an "io" got lost somewhere.. > > I had already changed the subject to >

Re: [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist

On Wed, Aug 07, 2019 at 07:59:58AM +0200, Christoph Hellwig wrote: > no-mmu sounds stange, as we use that for linux ports without paging > hardware. I think an "io" got lost somewhere.. I had already changed the subject to PCI/P2PDMA: Allow IOMMU for host bridge whitelist but certainly open t

Re: [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist

no-mmu sounds stange, as we use that for linux ports without paging hardware. I think an "io" got lost somewhere..

[PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist

Now that we map the requests correctly we can remove the iommu_present() restriction. Signed-off-by: Logan Gunthorpe --- drivers/pci/p2pdma.c | 4 1 file changed, 4 deletions(-) diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index b86a1c0c11a0..2d643b26d080 100644 --- a/drivers/p