Re: [Qemu-devel] [PATCH] hw/vexpress: set default block type to SD

[Peter Maydell]

On 15 March 2013 15:42, Aurelien Jarno <address@hidden> wrote:
> On Fri, Mar 15, 2013 at 03:35:48PM +0000, Peter Maydell wrote:
>> I'm not convinced this is a good thing -- I think you should have
>> to know that you're attaching an SD card and not a hard disk,
>> because the performance is much worse. In particular if you
>> don't specify 'cache=writeback' your performance will be
>> dreadful, so you need to do something different from hard
>> disks anyhow.

> Being a good thing or not, the current code is wrong: the default
> interface type is set to SCSI (I guess it has been copied from
> versatilepb.c), while the vexpress machine has no SCSI
> interface.

I agree we shouldn't be claiming to have a scsi interface, yes.

-- PMM