Re: [Qemu-devel] [PATCH 15/30] memory: add address_space_valid

[Paolo Bonzini]

Il 23/05/2013 20:04, Peter Maydell ha scritto:
> Shouldn't we be calling the MemoryRegionOps
> accepts() callback here? What about access alignment constraints
> and access size restrictions?

Yes, we should.

> What if the validity of the range
> changes between the time you asked and when you actually do the
> access?

If that's a concern, you shouldn't use this API, you should just do the
access and rely on the return value of address_space_rw & friends.

(Or, at least for the foreseeable future, do the checks under the BQL).

Paolo