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From: Peter Gonda <pgonda@google.com>
To: "Singh, Brijesh" <brijesh.singh@amd.com>
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@redhat.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Radim Krčmář" <rkrcmar@redhat.com>,
	"Joerg Roedel" <joro@8bytes.org>, "Borislav Petkov" <bp@suse.de>,
	"Lendacky, Thomas" <Thomas.Lendacky@amd.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 08/11] KVM: X86: Introduce KVM_HC_PAGE_ENC_STATUS hypercall
Date: Mon, 25 Nov 2019 11:07:23 -0800	[thread overview]
Message-ID: <CAMkAt6ouYHH6tg=SrGLoh1kEua2BY+WksaM0oRhVTW-i64rTaA@mail.gmail.com> (raw)
In-Reply-To: <20190710201244.25195-9-brijesh.singh@amd.com>

>  struct kvm_arch_async_pf {
> diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
> index 3089942f6630..431718309359 100644
> --- a/arch/x86/kvm/svm.c
> +++ b/arch/x86/kvm/svm.c
> @@ -135,6 +135,8 @@ struct kvm_sev_info {
>         int fd;                 /* SEV device fd */
>         unsigned long pages_locked; /* Number of pages locked */
>         struct list_head regions_list;  /* List of registered regions */
> +       unsigned long *page_enc_bmap;
> +       unsigned long page_enc_bmap_size;
>  };
>

Just a high level question. Would it be better for these bitmaps to
live in kvm_memory_slot and the ioctl to be take a memslot instead of
a GPA + length? The c-bit status bitmap will probably need to be
checked at when checking the dirty log and KVM_GET_DIRTY_LOG
operations on memslots.

  parent reply	other threads:[~2019-11-25 19:07 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-10 20:12 [PATCH v3 00/11] Add AMD SEV guest live migration support Singh, Brijesh
2019-07-10 20:13 ` [PATCH v3 01/11] KVM: SVM: Add KVM_SEV SEND_START command Singh, Brijesh
2019-08-22 10:08   ` Borislav Petkov
2019-08-22 13:23     ` Singh, Brijesh
2019-11-12 18:35   ` Peter Gonda
2019-11-12 22:27     ` Brijesh Singh
2019-11-14 19:27       ` Peter Gonda
2019-11-19 14:06         ` Brijesh Singh
2019-07-10 20:13 ` [PATCH v3 02/11] KVM: SVM: Add KVM_SEND_UPDATE_DATA command Singh, Brijesh
2019-08-22 12:02   ` Borislav Petkov
2019-08-22 13:27     ` Singh, Brijesh
2019-08-22 13:34       ` Borislav Petkov
2019-11-12 22:23   ` Peter Gonda
2019-07-10 20:13 ` [PATCH v3 03/11] KVM: SVM: Add KVM_SEV_SEND_FINISH command Singh, Brijesh
2019-08-26 13:29   ` Borislav Petkov
2019-07-10 20:13 ` [PATCH v3 04/11] KVM: SVM: Add support for KVM_SEV_RECEIVE_START command Singh, Brijesh
2019-07-10 20:13 ` [PATCH v3 05/11] KVM: SVM: Add KVM_SEV_RECEIVE_UPDATE_DATA command Singh, Brijesh
2019-08-27 12:09   ` Borislav Petkov
2019-11-14 21:02   ` Peter Gonda
2019-07-10 20:13 ` [PATCH v3 06/11] KVM: SVM: Add KVM_SEV_RECEIVE_FINISH command Singh, Brijesh
2019-08-27 12:19   ` Borislav Petkov
2019-07-10 20:13 ` [PATCH v3 07/11] KVM: x86: Add AMD SEV specific Hypercall3 Singh, Brijesh
2019-07-10 20:13 ` [PATCH v3 08/11] KVM: X86: Introduce KVM_HC_PAGE_ENC_STATUS hypercall Singh, Brijesh
2019-07-21 20:57   ` David Rientjes
2019-07-22 17:12     ` Cfir Cohen
2019-07-23 15:31       ` Singh, Brijesh
2019-07-23 15:16     ` Singh, Brijesh
2019-11-25 19:07   ` Peter Gonda [this message]
2019-07-10 20:13 ` [PATCH v3 09/11] KVM: x86: Introduce KVM_GET_PAGE_ENC_BITMAP ioctl Singh, Brijesh
2019-08-29 16:26   ` Borislav Petkov
2019-08-29 16:41     ` Singh, Brijesh
2019-08-29 16:56       ` Borislav Petkov
2019-07-10 20:13 ` [PATCH v3 10/11] mm: x86: Invoke hypercall when page encryption status is changed Singh, Brijesh
2019-08-29 16:52   ` Borislav Petkov
2019-08-29 18:07   ` Borislav Petkov
2019-08-29 18:21     ` Thomas Gleixner
2019-08-29 18:32       ` Thomas Gleixner
2019-07-10 20:13 ` [PATCH v3 11/11] KVM: x86: Introduce KVM_SET_PAGE_ENC_BITMAP ioctl Singh, Brijesh
2019-11-15  1:22   ` Steve Rutherford
2019-11-15  1:39     ` Steve Rutherford
2019-07-12 15:52 ` [PATCH v3 00/11] Add AMD SEV guest live migration support Konrad Rzeszutek Wilk
2019-07-12 16:31   ` Singh, Brijesh

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