[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2] pci: Introduce helper to retrieve a PCI devi
|
From: |
Benjamin Herrenschmidt |
|
Subject: |
Re: [Qemu-devel] [PATCH v2] pci: Introduce helper to retrieve a PCI device's DMA address space |
|
Date: |
Fri, 09 Aug 2013 20:20:59 +1000 |
On Fri, 2013-08-09 at 11:40 +0200, Paolo Bonzini wrote:
> (BTW, do you need to enable bus-master DMA on PCI bridges, to do DMA
> for devices sitting on the secondary bus?)
In theory yes though I have seen bridges who ignore it...
Cheers,
Ben.
Re: [Qemu-devel] [PATCH v2] pci: Introduce helper to retrieve a PCI device's DMA address space,
Benjamin Herrenschmidt <=