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:
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> Am 2021-08-11 um 3:29 p.m. schrie
On Wed, Aug 11, 2021 at 4:50 PM Felix Kuehling wrote:
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> 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
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
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