Re: [PATCH] softmmu/memory: Validate {read,write}_with_attrs before calling

[Paolo Bonzini]

On 05/09/21 18:29, Peter Maydell wrote:
> Last time this came up, we discussed the other option, which
> is to have memory_region_init assert that the MemoryRegionOps
> defines at least one valid read and one valid write pointer,
> so that these bugs get caught quickly rather than only if the
> guest accesses the device in the wrong way. I tend to think
> that that is better

I agree, and Prasad had even posted a patch for that, but it failed some 
qtests and I ended up never checking why that was.

Paolo