Re: [kvm-ppc-devel] [kvm-devel] [PATCH] RFC: simplify kvm-userspace

[Avi Kivity <avi@qumranet.com>]

Christian Ehrhardt wrote:
> Background:
> In our ppc code for the demo we only needed a call to 
> cpu_physical_memory_rw to handle all kind of mmio we needed. Looking 
> at all the callback pointers for read/write mmio in kvm_callbacks I 
> wondered if this can be simplified with cpu_physical_memory_rw for x86 
> too. So I tested it today and it works fine on with kvm-svm on my 
> opteron.
> The only code that did not just redirect to another function was a 
> workaround for a Redhat 7.1 issue, so I merged it in the central call 
> making it easier to find and maintain (was split before) anyway.
> If everyone agrees with it I will create a new patch also affecting 
> the other implementations of this interface e.g. user/main.c and a 
> rebased version of this one.
> But maybe there was a reason to do it that split way with all the 
> callback pointers that was not obvious to me, so please comment.

It may be worthwhile to unify all the reads into a single read, but read 
and write are fundamentally different.  The fact that qemu implements it 
in one function is a detail; libkvm aims to satisfy more than just qemu.


-- 
error compiling committee.c: too many arguments to function


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