[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 15/30] memory: add address_space_valid
Date: Fri, 24 May 2013 10:02:06 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6

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).


reply via email to

[Prev in Thread] Current Thread [Next in Thread]