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
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
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
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 be whitelisted
Signed-off-by: Ramesh Errabolu
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drivers/pci/p