From: Brijesh Singh <brijesh.singh@amd.com>
To: Ashish Kalra <ashish.kalra@amd.com>, Borislav Petkov <bp@alien8.de>
Cc: brijesh.singh@amd.com, pbonzini@redhat.com, tglx@linutronix.de,
mingo@redhat.com, hpa@zytor.com, joro@8bytes.org,
thomas.lendacky@amd.com, x86@kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, srutherford@google.com,
seanjc@google.com, venu.busireddy@oracle.com
Subject: Re: [PATCH v13 09/12] mm: x86: Invoke hypercall when page encryption status is changed
Date: Wed, 21 Apr 2021 08:50:34 -0500 [thread overview]
Message-ID: <ea57b774-1368-5340-2777-767188c47e6b@amd.com> (raw)
In-Reply-To: <20210421121213.GA14004@ashkalra_ubuntu_server>
On 4/21/21 7:12 AM, Ashish Kalra wrote:
>>> +
>>> + psize = page_level_size(level);
>>> + pmask = page_level_mask(level);
>>> +
>>> + kvm_sev_hypercall3(KVM_HC_PAGE_ENC_STATUS,
>>> + pfn << PAGE_SHIFT, psize >> PAGE_SHIFT, enc);
>>> +
>>> + vaddr_next = (vaddr & pmask) + psize;
>>> + }
>> As with other patches from Brijesh, that should be a while loop. :)
>>
> I see that early_set_memory_enc_dec() is also using a for loop, so which
> patches are you referring to ?
>
I guess Boris is referring to my SNP patches. Please go ahead and use
the while loop as recommended by Boris.
-Brijesh
next prev parent reply other threads:[~2021-04-21 13:50 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-15 15:52 [PATCH v13 00/12] Add AMD SEV guest live migration support Ashish Kalra
2021-04-15 15:53 ` [PATCH v13 01/12] KVM: SVM: Add KVM_SEV SEND_START command Ashish Kalra
2021-04-20 8:50 ` Paolo Bonzini
2021-04-15 15:53 ` [PATCH v13 02/12] KVM: SVM: Add KVM_SEND_UPDATE_DATA command Ashish Kalra
2021-04-15 15:54 ` [PATCH v13 03/12] KVM: SVM: Add KVM_SEV_SEND_FINISH command Ashish Kalra
2021-04-15 15:54 ` [PATCH v13 04/12] KVM: SVM: Add support for KVM_SEV_RECEIVE_START command Ashish Kalra
2021-04-20 8:38 ` Paolo Bonzini
2021-04-20 9:18 ` Paolo Bonzini
2021-04-15 15:55 ` [PATCH v13 05/12] KVM: SVM: Add KVM_SEV_RECEIVE_UPDATE_DATA command Ashish Kalra
2021-04-20 8:40 ` Paolo Bonzini
2021-04-20 8:43 ` Paolo Bonzini
2021-04-15 15:55 ` [PATCH v13 06/12] KVM: SVM: Add KVM_SEV_RECEIVE_FINISH command Ashish Kalra
2021-04-15 15:56 ` [PATCH v13 07/12] KVM: x86: Add AMD SEV specific Hypercall3 Ashish Kalra
2021-04-15 15:57 ` [PATCH v13 08/12] KVM: X86: Introduce KVM_HC_PAGE_ENC_STATUS hypercall Ashish Kalra
2021-04-20 11:10 ` Paolo Bonzini
2021-04-20 17:24 ` Sean Christopherson
2021-04-15 15:57 ` [PATCH v13 09/12] mm: x86: Invoke hypercall when page encryption status is changed Ashish Kalra
2021-04-20 9:39 ` Paolo Bonzini
2021-04-21 10:05 ` Borislav Petkov
2021-04-21 12:00 ` Paolo Bonzini
2021-04-21 14:09 ` Borislav Petkov
2021-04-21 12:12 ` Ashish Kalra
2021-04-21 13:50 ` Brijesh Singh [this message]
2021-04-21 13:52 ` Borislav Petkov
2021-04-15 15:58 ` [PATCH v13 10/12] KVM: x86: Introduce new KVM_FEATURE_SEV_LIVE_MIGRATION feature & Custom MSR Ashish Kalra
2021-04-19 23:06 ` Sean Christopherson
2021-04-20 10:49 ` Paolo Bonzini
2021-04-20 9:47 ` Paolo Bonzini
2021-04-15 15:58 ` [PATCH v13 11/12] EFI: Introduce the new AMD Memory Encryption GUID Ashish Kalra
2021-04-15 16:01 ` [PATCH v13 12/12] x86/kvm: Add guest support for detecting and enabling SEV Live Migration feature Ashish Kalra
2021-04-20 10:52 ` Paolo Bonzini
2021-04-21 14:44 ` Borislav Petkov
2021-04-21 15:22 ` Ashish Kalra
2021-04-21 15:32 ` Borislav Petkov
2021-04-21 15:38 ` Paolo Bonzini
2021-04-21 18:48 ` Ashish Kalra
2021-04-21 19:19 ` Ashish Kalra
2021-04-16 21:43 ` [PATCH v13 00/12] Add AMD SEV guest live migration support Steve Rutherford
2021-04-19 14:40 ` Ashish Kalra
2021-04-20 11:11 ` Paolo Bonzini
2021-04-20 18:51 ` Borislav Petkov
2021-04-20 19:08 ` Paolo Bonzini
2021-04-20 20:28 ` Borislav Petkov
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