linux-kernel - Re: [PATCH RFC v7 11/64] KVM: SEV: Support private pages in LAUNCH_UPDATE

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Message-ID: <a1856c7c-6106-3cf6-77a3-87d8cab9eecf@amd.com>
Date:   Wed, 18 Jan 2023 13:34:38 +0530
From:   "Nikunj A. Dadhania" <nikunj@....com>
To:     Jarkko Sakkinen <jarkko@...nel.org>,
        Michael Roth <michael.roth@....com>
Cc:     kvm@...r.kernel.org, linux-coco@...ts.linux.dev,
        linux-mm@...ck.org, linux-crypto@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...hat.com,
        jroedel@...e.de, thomas.lendacky@....com, hpa@...or.com,
        ardb@...nel.org, pbonzini@...hat.com, seanjc@...gle.com,
        vkuznets@...hat.com, wanpengli@...cent.com, jmattson@...gle.com,
        luto@...nel.org, dave.hansen@...ux.intel.com, slp@...hat.com,
        pgonda@...gle.com, peterz@...radead.org,
        srinivas.pandruvada@...ux.intel.com, rientjes@...gle.com,
        dovmurik@...ux.ibm.com, tobin@....com, bp@...en8.de,
        vbabka@...e.cz, kirill@...temov.name, ak@...ux.intel.com,
        tony.luck@...el.com, marcorr@...gle.com,
        sathyanarayanan.kuppuswamy@...ux.intel.com, alpergun@...gle.com,
        dgilbert@...hat.com, ashish.kalra@....com, harald@...fian.com
Subject: Re: [PATCH RFC v7 11/64] KVM: SEV: Support private pages in
 LAUNCH_UPDATE_DATA

On 18/01/23 05:00, Jarkko Sakkinen wrote:
> On Wed, Dec 14, 2022 at 01:40:03PM -0600, Michael Roth wrote:
>> From: Nikunj A Dadhania <nikunj@....com>

>> @@ -609,9 +659,8 @@ static int sev_launch_update_priv_gfn_handler(struct kvm *kvm,
>>  			goto e_ret;
>>  		kvm_release_pfn_clean(pfn);
>>  	}
>> -	kvm_vm_set_region_attr(kvm, range->start, range->end,
>> -		true /* priv_attr */);
>>  
>> +	kvm_vm_set_region_attr(kvm, range->start, range->end, KVM_MEMORY_ATTRIBUTE_PRIVATE);

As the memory attribute is no more a boolean in the UPM series, I had this change.

>>  e_ret:
>>  	return ret;
>>  }
>> -- 
>> 2.25.1
>>
> 
> kvm_vm_set_region_attr() should be fixed already in:
>> https://lore.kernel.org/all/20221214194056.161492-11-michael.roth@amd.com/

Will discuss with Mike and move this hunk to above patch.

Regards
Nikunj