Il 17/07/2013 08:21, Gleb Natapov ha scritto:
> On Wed, Jul 17, 2013 at 02:08:54PM +0800, Arthur Chunqi Li wrote:
> > Hi Gleb and Paolo,
> > As your suggestion, I add general interface for adding test suite in
> > this version. It is similar to the achievement of x86/vmx.c, and I
> > also move tests for vmenter (vmlaunch and vmresume test) to an
> > independent test suite.
> >
>
> The general interface looks fine, can be extended if needed, but you
> ignored my comment about refactoring vmx_run() to make vmexit return
> just after vmresume. Do it, you will see how clearer the code and the
> logic will be. 99% of code we are dealing with as a programmers is
> linear, we are much better following liner logic.
It's normal to have "different taste", and if vmx.c is librarified it is
quite expected that it looks somewhat different from KVM). Besides, I
think Arthur should look at KVM code as little as possible when writing
the testsuite.
I think the current version is mostly fine, but I'd prefer to move the
inline functions to vmx.h, and the tests to a separate file. Perhaps
lib/x86/vmx.h, lib/x86/vmx.c, and x86/vmx.c.
All knowledge of setjmp and longjmp should then be hidden in
lib/x86/vmx.c, perhaps by putting
if (setjmp(env) == 0) {
vmx_run();
return 1;
} else
return 0;
or something like that in a new lib/x86/vmx.c function.
Paolo
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