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On 06/26/2015 10:32 AM, Stefan Hajnoczi wrote:
> On Mon, Jun 22, 2015 at 08:21:00PM -0400, John Snow wrote:
>> diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 95d228f..f873ab1
>> 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -49,7 +49,7 @@
>>
On Mon, Jun 22, 2015 at 08:21:00PM -0400, John Snow wrote:
> diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
> index 95d228f..f873ab1 100644
> --- a/hw/ide/ahci.c
> +++ b/hw/ide/ahci.c
> @@ -49,7 +49,7 @@ static int handle_cmd(AHCIState *s,int port,int slot);
> static void ahci_reset_port(AHCIState *s,
prepare_buf should not always grab as many descriptors
as it can, sometimes it should self-limit.
For example, an NCQ transfer of 1 sector with a PRDT that
describes 4GiB of data should not copy 4GiB of data, it
should just transfer that first 512 bytes.
PIO is not affected, because the dma_buf_r