From: Adrian Hunter <adrian.hunter@intel.com>
To: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"seanjc@google.com" <seanjc@google.com>
Cc: "Zhao, Yan Y" <yan.y.zhao@intel.com>,
"nik.borisov@suse.com" <nik.borisov@suse.com>,
"dmatlack@google.com" <dmatlack@google.com>,
"Huang, Kai" <kai.huang@intel.com>,
"isaku.yamahata@gmail.com" <isaku.yamahata@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 16/21] KVM: TDX: Premap initial guest memory
Date: Fri, 13 Sep 2024 16:33:51 +0300 [thread overview]
Message-ID: <0fed1792-806d-41e2-a543-8ed28b314e2a@intel.com> (raw)
In-Reply-To: <32a4ef78dcdfc45b7fae81ceb344afaf913c9e4b.camel@intel.com>
On 11/09/24 03:19, Edgecombe, Rick P wrote:
> On Tue, 2024-09-10 at 12:24 +0200, Paolo Bonzini wrote:
>> On 9/4/24 05:07, Rick Edgecombe wrote:
>>> +static int tdx_mem_page_record_premap_cnt(struct kvm *kvm, gfn_t gfn,
>>> + enum pg_level level, kvm_pfn_t
>>> pfn)
>>> +{
>>> + struct kvm_tdx *kvm_tdx = to_kvm_tdx(kvm);
>>> +
>>> + /* Returning error here to let TDP MMU bail out early. */
>>> + if (KVM_BUG_ON(level != PG_LEVEL_4K, kvm)) {
>>> + tdx_unpin(kvm, pfn);
>>> + return -EINVAL;
>>> + }
>>
>> Should this "if" already be part of patch 14, and in
>> tdx_sept_set_private_spte() rather than tdx_mem_page_record_premap_cnt()?
>
> Hmm, makes sense to me. Thanks.
It is already in patch 14, so just remove it from this patch
presumably.
next prev parent reply other threads:[~2024-09-13 13:34 UTC|newest]
Thread overview: 139+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-04 3:07 [PATCH 00/21] TDX MMU Part 2 Rick Edgecombe
2024-09-04 3:07 ` [PATCH 01/21] KVM: x86/mmu: Implement memslot deletion for TDX Rick Edgecombe
2024-09-09 13:44 ` Paolo Bonzini
2024-09-09 21:06 ` Edgecombe, Rick P
2024-09-04 3:07 ` [PATCH 02/21] KVM: x86/tdp_mmu: Add a helper function to walk down the TDP MMU Rick Edgecombe
2024-09-09 13:51 ` Paolo Bonzini
2024-09-04 3:07 ` [PATCH 03/21] KVM: x86/mmu: Do not enable page track for TD guest Rick Edgecombe
2024-09-09 13:53 ` Paolo Bonzini
2024-09-09 21:07 ` Edgecombe, Rick P
2024-09-04 3:07 ` [PATCH 04/21] KVM: VMX: Split out guts of EPT violation to common/exposed function Rick Edgecombe
2024-09-09 13:57 ` Paolo Bonzini
2024-09-09 16:07 ` Sean Christopherson
2024-09-10 7:36 ` Paolo Bonzini
2024-09-04 3:07 ` [PATCH 05/21] KVM: VMX: Teach EPT violation helper about private mem Rick Edgecombe
2024-09-09 13:59 ` Paolo Bonzini
2024-09-11 8:52 ` Chao Gao
2024-09-11 16:29 ` Edgecombe, Rick P
2024-09-12 0:39 ` Huang, Kai
2024-09-12 13:58 ` Sean Christopherson
2024-09-12 14:43 ` Edgecombe, Rick P
2024-09-12 14:46 ` Paolo Bonzini
2024-09-12 1:19 ` Huang, Kai
2024-09-04 3:07 ` [PATCH 06/21] KVM: TDX: Add accessors VMX VMCS helpers Rick Edgecombe
2024-09-09 14:19 ` Paolo Bonzini
2024-09-09 21:29 ` Edgecombe, Rick P
2024-09-10 10:48 ` Paolo Bonzini
2024-09-04 3:07 ` [PATCH 07/21] KVM: TDX: Add load_mmu_pgd method for TDX Rick Edgecombe
2024-09-11 2:48 ` Chao Gao
2024-09-11 2:49 ` Edgecombe, Rick P
2024-09-04 3:07 ` [PATCH 08/21] KVM: TDX: Set gfn_direct_bits to shared bit Rick Edgecombe
2024-09-09 15:21 ` Paolo Bonzini
2024-09-04 3:07 ` [PATCH 09/21] KVM: TDX: Retry seamcall when TDX_OPERAND_BUSY with operand SEPT Rick Edgecombe
2024-09-06 1:41 ` Huang, Kai
2024-09-09 20:25 ` Edgecombe, Rick P
2024-09-09 15:25 ` Paolo Bonzini
2024-09-09 20:22 ` Edgecombe, Rick P
2024-09-09 21:11 ` Sean Christopherson
2024-09-09 21:23 ` Sean Christopherson
2024-09-09 22:34 ` Edgecombe, Rick P
2024-09-09 23:58 ` Sean Christopherson
2024-09-10 0:50 ` Edgecombe, Rick P
2024-09-10 1:46 ` Sean Christopherson
2024-09-11 1:17 ` Huang, Kai
2024-09-11 2:48 ` Edgecombe, Rick P
2024-09-11 22:55 ` Huang, Kai
2024-09-10 13:15 ` Paolo Bonzini
2024-09-10 13:57 ` Sean Christopherson
2024-09-10 15:16 ` Paolo Bonzini
2024-09-10 15:57 ` Sean Christopherson
2024-09-10 16:28 ` Edgecombe, Rick P
2024-09-10 17:42 ` Sean Christopherson
2024-09-13 8:36 ` Yan Zhao
2024-09-13 17:23 ` Sean Christopherson
2024-09-13 19:19 ` Edgecombe, Rick P
2024-09-13 22:18 ` Sean Christopherson
2024-09-14 9:27 ` Yan Zhao
2024-09-15 9:53 ` Yan Zhao
2024-09-17 1:31 ` Huang, Kai
2024-09-25 10:53 ` Yan Zhao
2024-10-08 14:51 ` Sean Christopherson
2024-10-10 5:23 ` Yan Zhao
2024-10-10 17:33 ` Sean Christopherson
2024-10-10 21:53 ` Edgecombe, Rick P
2024-10-11 2:30 ` Yan Zhao
2024-10-14 10:54 ` Huang, Kai
2024-10-14 17:36 ` Edgecombe, Rick P
2024-10-14 23:03 ` Huang, Kai
2024-10-15 1:24 ` Edgecombe, Rick P
2024-10-11 2:06 ` Yan Zhao
2024-10-16 14:13 ` Yan Zhao
2024-09-17 2:11 ` Huang, Kai
2024-09-13 19:19 ` Edgecombe, Rick P
2024-09-14 10:00 ` Yan Zhao
2024-09-04 3:07 ` [PATCH 10/21] KVM: TDX: Require TDP MMU and mmio caching for TDX Rick Edgecombe
2024-09-09 15:26 ` Paolo Bonzini
2024-09-12 0:15 ` Huang, Kai
2024-09-04 3:07 ` [PATCH 11/21] KVM: x86/mmu: Add setter for shadow_mmio_value Rick Edgecombe
2024-09-09 15:33 ` Paolo Bonzini
2024-09-04 3:07 ` [PATCH 12/21] KVM: TDX: Set per-VM shadow_mmio_value to 0 Rick Edgecombe
2024-09-09 15:33 ` Paolo Bonzini
2024-09-04 3:07 ` [PATCH 13/21] KVM: TDX: Handle TLB tracking for TDX Rick Edgecombe
2024-09-10 8:16 ` Paolo Bonzini
2024-09-10 23:49 ` Edgecombe, Rick P
2024-10-14 6:34 ` Yan Zhao
2024-09-11 6:25 ` Xu Yilun
2024-09-11 17:28 ` Edgecombe, Rick P
2024-09-12 4:54 ` Yan Zhao
2024-09-12 14:44 ` Edgecombe, Rick P
2024-09-12 7:47 ` Xu Yilun
2024-09-04 3:07 ` [PATCH 14/21] KVM: TDX: Implement hooks to propagate changes of TDP MMU mirror page table Rick Edgecombe
2024-09-06 2:10 ` Huang, Kai
2024-09-09 21:03 ` Edgecombe, Rick P
2024-09-10 1:52 ` Yan Zhao
2024-09-10 9:33 ` Paolo Bonzini
2024-09-10 23:58 ` Edgecombe, Rick P
2024-09-11 1:05 ` Yan Zhao
2024-10-30 3:03 ` Binbin Wu
2024-11-04 9:09 ` Yan Zhao
2024-09-04 3:07 ` [PATCH 15/21] KVM: TDX: Implement hook to get max mapping level of private pages Rick Edgecombe
2024-09-10 10:17 ` Paolo Bonzini
2024-09-04 3:07 ` [PATCH 16/21] KVM: TDX: Premap initial guest memory Rick Edgecombe
2024-09-10 10:24 ` Paolo Bonzini
2024-09-11 0:19 ` Edgecombe, Rick P
2024-09-13 13:33 ` Adrian Hunter [this message]
2024-09-13 19:49 ` Edgecombe, Rick P
2024-09-10 10:49 ` Paolo Bonzini
2024-09-11 0:30 ` Edgecombe, Rick P
2024-09-11 10:39 ` Paolo Bonzini
2024-09-11 16:36 ` Edgecombe, Rick P
2024-09-04 3:07 ` [PATCH 17/21] KVM: TDX: MTRR: implement get_mt_mask() for TDX Rick Edgecombe
2024-09-10 10:04 ` Paolo Bonzini
2024-09-10 14:05 ` Sean Christopherson
2024-09-04 3:07 ` [PATCH 18/21] KVM: x86/mmu: Export kvm_tdp_map_page() Rick Edgecombe
2024-09-10 10:02 ` Paolo Bonzini
2024-09-04 3:07 ` [PATCH 19/21] KVM: TDX: Add an ioctl to create initial guest memory Rick Edgecombe
2024-09-04 4:53 ` Yan Zhao
2024-09-04 14:01 ` Edgecombe, Rick P
2024-09-06 16:30 ` Edgecombe, Rick P
2024-09-09 1:29 ` Yan Zhao
2024-09-10 10:13 ` Paolo Bonzini
2024-09-11 0:11 ` Edgecombe, Rick P
2024-09-04 13:56 ` Edgecombe, Rick P
2024-09-10 10:16 ` Paolo Bonzini
2024-09-11 0:12 ` Edgecombe, Rick P
2024-09-04 3:07 ` [PATCH 20/21] KVM: TDX: Finalize VM initialization Rick Edgecombe
2024-09-04 15:37 ` Adrian Hunter
2024-09-04 16:09 ` Edgecombe, Rick P
2024-09-10 10:33 ` Paolo Bonzini
2024-09-10 11:15 ` Adrian Hunter
2024-09-10 11:28 ` Paolo Bonzini
2024-09-10 11:31 ` Adrian Hunter
2024-09-10 10:25 ` Paolo Bonzini
2024-09-10 11:54 ` Adrian Hunter
2024-09-04 3:07 ` [PATCH 21/21] KVM: TDX: Handle vCPU dissociation Rick Edgecombe
2024-09-09 15:41 ` Paolo Bonzini
2024-09-09 23:30 ` Edgecombe, Rick P
2024-09-10 10:45 ` Paolo Bonzini
2024-09-11 0:17 ` Edgecombe, Rick P
2024-11-04 9:45 ` Yan Zhao
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=0fed1792-806d-41e2-a543-8ed28b314e2a@intel.com \
--to=adrian.hunter@intel.com \
--cc=dmatlack@google.com \
--cc=isaku.yamahata@gmail.com \
--cc=kai.huang@intel.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=nik.borisov@suse.com \
--cc=pbonzini@redhat.com \
--cc=rick.p.edgecombe@intel.com \
--cc=seanjc@google.com \
--cc=yan.y.zhao@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox