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Re: [Qemu-devel] [PATCH RFC] vga: flag vga ram for notifiers

From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH RFC] vga: flag vga ram for notifiers
Date: Thu, 31 Mar 2011 16:49:46 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110223 Lightning/1.0b2 Thunderbird/3.1.8

On 03/31/2011 04:38 PM, Michael S. Tsirkin wrote:

That seems like a clearer API, yes. I think it makes it much more
obvious what it's trying to achieve.

-- PMM
Maybe register_dma_area - its' not 100% virtio specific.

It's never been clear to me whether that's true or not. I've heard mixed things about whether devices DMA to other devices. I've never been able to find something in a specification stating authoritatively one way or another.


Anthony Liguori

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