From: Sean Christopherson <seanjc@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>,
"jmattson@google.com" <jmattson@google.com>,
"joro@8bytes.org" <joro@8bytes.org>,
"vkuznets@redhat.com" <vkuznets@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"thomas.lendacky@amd.com" <thomas.lendacky@amd.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"wanpengli@tencent.com" <wanpengli@tencent.com>,
"brijesh.singh@amd.com" <brijesh.singh@amd.com>
Subject: Re: [PATCH 07/12] KVM: x86: SEV: Treat C-bit as legal GPA bit regardless of vCPU mode
Date: Thu, 4 Feb 2021 10:01:14 -0800 [thread overview]
Message-ID: <YBw2akNhCBGkoaSZ@google.com> (raw)
In-Reply-To: <c16cbc1c-a834-edd4-bfdf-753ec07c7008@redhat.com>
On Thu, Feb 04, 2021, Paolo Bonzini wrote:
> On 04/02/21 18:52, Sean Christopherson wrote:
> > > Alternatively there could be something like a is_rsvd_cr3_bits() helper that
> > > just uses reserved_gpa_bits for now. Probably put the comment in the wrong
> > > place. It's a minor point in any case.
> > That thought crossed my mind, too. Maybe kvm_vcpu_is_illegal_cr3() to match
> > the gpa helpers?
>
> Yes, that's certainly a good name but it doesn't have to be done now. Or at
> least, if you do it, somebody is guaranteed to send a patch after one month
> because the wrapper is useless. :)
LOL, I can see myself doing that...
next prev parent reply other threads:[~2021-02-04 18:02 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-04 0:01 [PATCH 00/12] KVM: x86: Legal GPA fixes and cleanups Sean Christopherson
2021-02-04 0:01 ` [PATCH 01/12] KVM: x86: Set so called 'reserved CR3 bits in LM mask' at vCPU reset Sean Christopherson
2021-02-04 0:01 ` [PATCH 02/12] KVM: nSVM: Don't strip host's C-bit from guest's CR3 when reading PDPTRs Sean Christopherson
2021-02-04 0:01 ` [PATCH 03/12] KVM: x86: Add a helper to check for a legal GPA Sean Christopherson
2021-02-04 0:01 ` [PATCH 04/12] KVM: x86: Add a helper to handle legal GPA with an alignment requirement Sean Christopherson
2021-02-04 0:01 ` [PATCH 05/12] KVM: VMX: Use GPA legality helpers to replace open coded equivalents Sean Christopherson
2021-02-04 0:01 ` [PATCH 06/12] KVM: nSVM: Use common GPA helper to check for illegal CR3 Sean Christopherson
2021-02-04 0:01 ` [PATCH 07/12] KVM: x86: SEV: Treat C-bit as legal GPA bit regardless of vCPU mode Sean Christopherson
2021-02-04 2:03 ` Edgecombe, Rick P
2021-02-04 2:19 ` Sean Christopherson
2021-02-04 10:34 ` Paolo Bonzini
2021-02-04 17:31 ` Edgecombe, Rick P
2021-02-04 17:52 ` Sean Christopherson
2021-02-04 17:56 ` Paolo Bonzini
2021-02-04 18:01 ` Sean Christopherson [this message]
2021-02-04 0:01 ` [PATCH 08/12] KVM: x86: Use reserved_gpa_bits to calculate reserved PxE bits Sean Christopherson
2021-02-04 0:01 ` [PATCH 09/12] KVM: x86/mmu: Add helper to generate mask of reserved HPA bits Sean Christopherson
2021-02-04 0:01 ` [PATCH 10/12] KVM: x86: Add helper to consolidate "raw" reserved GPA mask calculations Sean Christopherson
2021-02-04 0:01 ` [PATCH 11/12] KVM: x86: Move nVMX's consistency check macro to common code Sean Christopherson
2021-02-04 0:01 ` [PATCH 12/12] KVM: nSVM: Trace VM-Enter consistency check failures Sean Christopherson
2021-02-04 10:44 ` [PATCH 00/12] KVM: x86: Legal GPA fixes and cleanups Paolo Bonzini
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