RE: [PATCH] Whitelist AMD host bridge device(s) to enable P2P DMA

2021-08-11 Thread Errabolu, Ramesh
abolu, Ramesh ; amd-gfx list ; Maling list - DRI developers ; Bjorn Helgaas ; Linux PCI ; LKML Subject: Re: [PATCH] Whitelist AMD host bridge device(s) to enable P2P DMA [CAUTION: External Email] On Wed, Aug 11, 2021 at 4:50 PM Felix Kuehling wrote: > > > Am 2021-08-11 um 3:29 p.m. schrie

Re: [PATCH] Whitelist AMD host bridge device(s) to enable P2P DMA

2021-08-11 Thread Alex Deucher
On Wed, Aug 11, 2021 at 4:50 PM Felix Kuehling wrote: > > > Am 2021-08-11 um 3:29 p.m. schrieb Alex Deucher: > > On Wed, Aug 11, 2021 at 3:11 PM Ramesh Errabolu > > wrote: > >> Current implementation will disallow P2P DMA if the participating > >> devices belong to different root complexes. Impl

Re: [PATCH] Whitelist AMD host bridge device(s) to enable P2P DMA

2021-08-11 Thread Felix Kuehling
Am 2021-08-11 um 3:29 p.m. schrieb Alex Deucher: > On Wed, Aug 11, 2021 at 3:11 PM Ramesh Errabolu > wrote: >> Current implementation will disallow P2P DMA if the participating >> devices belong to different root complexes. Implementation allows >> this default behavior to be overridden for whi

Re: [PATCH] Whitelist AMD host bridge device(s) to enable P2P DMA

2021-08-11 Thread Alex Deucher
On Wed, Aug 11, 2021 at 3:11 PM Ramesh Errabolu wrote: > > Current implementation will disallow P2P DMA if the participating > devices belong to different root complexes. Implementation allows > this default behavior to be overridden for whitelisted devices. The > patch adds an AMD host bridge to