Re: [RFC Part1 PATCH v3 16/17] X86/KVM: Provide support to create Guest and HV shared per-CPU variables

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On 9/4/17 12:05 PM, Borislav Petkov wrote:
> On Fri, Sep 01, 2017 at 05:52:13PM -0500, Brijesh Singh wrote:
>>  So far, we have not seen the need for having such functions except
>> this cases. The approach we have right now works just fine and not
>> sure if its worth adding new functions.
> Then put the call to kvm_map_hv_shared_decrypted() into
> kvm_smp_prepare_boot_cpu() to denote that you're executing this whole
> stuff only once during guest init.
>
> Now you're doing additional jumping-through-hoops with that once static
> var just so you can force something which needs to execute only once but
> gets called in a per-CPU path.
>
> See what I mean?

Yes, I see your point. I will address this issue in next rev.


-Brijesh
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