Re: [Qemu-devel] [PATCH v3 6/9] rocker: add new rocker switch device

[Paolo Bonzini]

On 15/01/2015 00:20, Scott Feldman wrote:
> I tried setting .impl.max_access_size=4 and the Linux driver self-test
> fails on 64-bit reg write/read.  32-bit regs writes/reads are OK.  On
> the 64-bit write/read, the self test writes a value and expects to
> read back 2x the value written.  After making the change
> .impl.max_access_size=4, the reg reads back as 0, regardless of what
> was written.

It would be a bug.  I can try to look at it later.

Paolo

> The driver uses writeq/readq for 64-bit writes/reads.
> 
> I'm inclined to not change the device and leave .impl.max_access_size=8.