On Mon, 26 Sep 2005, John Coiner wrote:
Do people have ideas about how to implement concurrent IO? I have a couple
hazy ideas...
AIO immediately springs to mind.. supported on most platforms (except
Windows, which does things slightly different but the same).
Regards
Henrik
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On Mon, Sep 26, 2005 at 09:48:25PM -0400, John Coiner wrote:
>
> Hi,
>
> Here's another patch to enable IDE DMA:
>
> http://people.brandeis.edu/~jcoiner/qemu_idedma/qemu_dma_patch.html
>
> This patch, like Juergen Lock's earlier patch from which it is derived,
> replaces the virtual PIIX3 ID
On Mon, 2005-09-26 at 21:48 -0400, John Coiner wrote:
> Can anyone shed light on the potential performance to be realized? For
> example, how long does a context switch take in the guest? If it takes
> 10ms (one disk seek) then there's probably no benefit to concurrent disk
> IO. If a context sw
Hi,
Here's another patch to enable IDE DMA:
http://people.brandeis.edu/~jcoiner/qemu_idedma/qemu_dma_patch.html
This patch, like Juergen Lock's earlier patch from which it is derived,
replaces the virtual PIIX3 IDE controller with a PIIX4.
It applies cleanly to 0.7.2.
This patch extends
