Re: [Qemu-devel] [PATCH v3 1/3] target-i386: add pkeys support for cpuid handling

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On Thu, Nov 19, 2015 at 12:10:49PM +0100, Paolo Bonzini wrote:
> 
> 
> On 19/11/2015 07:36, Han, Huaitong wrote:
> > I understand it has always been that QEMU considers the feature of
> >  cpuid_7_0_ecx_feature_name as migratable. If the feature is
> >  unmigratable, it will been added to unmigratable_flags.
> > 
> > A series of patches do complete a full function, moving
> >  cpuid_7_0_ecx_feature_name to 2/3 patch may make 2/3 patch look
> > better, but make 1/3 patch look somewhat incomplete.
> > 
> > Maybe it is a solution that adding the feature to unmigratable_flags in
> > 1/3 patch, and deleting unmigratable_flags in 2/3 patch, but I think it
> > is pointless.
> 
> Or just squash everything together.  After all we're talking of
> 
>  4 files changed, 55 insertions(+), 1 deletion(-)
> 
> It's not a large patch.

It makes sense. Adding the state to X86CPU (2/3) is useful only
if we migrate it (3/3), and adding the feature names (1/3) is
useful only if we can handle the new state.

I will squash everything together when applying, in case there's
no new version.

-- 
Eduardo
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