From: Paolo Bonzini <pbonzini@redhat.com>
To: Sean Christopherson <seanjc@google.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] KVM: x86: Fix supported VM_TYPES caps
Date: Fri, 10 May 2024 16:50:24 +0200 [thread overview]
Message-ID: <CABgObfYYm_xwEFjNx0jzaVg2R6s1D5EWC2T6Fx-d++8=6nvm1g@mail.gmail.com> (raw)
In-Reply-To: <20240423165328.2853870-1-seanjc@google.com>
On Tue, Apr 23, 2024 at 6:53 PM Sean Christopherson <seanjc@google.com> wrote:
>
> Fix a goof where KVM fails to re-initialize the set of supported VM types,
> resulting in KVM overreporting the set of supported types when a vendor
> module is reloaded with incompatible settings. E.g. unload kvm-intel.ko,
> reload with ept=0, and KVM will incorrectly treat SW_PROTECTED_VM as
> supported.
>
> Fix a similar long-standing bug with supported_mce_cap that is much less
> benign, and then harden against us making the same mistake in the future.
>
> Sean Christopherson (3):
> KVM: x86: Fully re-initialize supported_vm_types on vendor module load
> KVM: x86: Fully re-initialize supported_mce_cap on vendor module load
> KVM: x86: Explicitly zero kvm_caps during vendor module load
Applied, thanks.
Paolo
prev parent reply other threads:[~2024-05-10 14:50 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-23 16:53 [PATCH 0/3] KVM: x86: Fix supported VM_TYPES caps Sean Christopherson
2024-04-23 16:53 ` [PATCH 1/3] KVM: x86: Fully re-initialize supported_vm_types on vendor module load Sean Christopherson
2024-04-23 16:53 ` [PATCH 2/3] KVM: x86: Fully re-initialize supported_mce_cap " Sean Christopherson
2024-04-23 16:53 ` [PATCH 3/3] KVM: x86: Explicitly zero kvm_caps during " Sean Christopherson
2024-04-24 3:25 ` Huang, Kai
2024-04-24 15:33 ` Sean Christopherson
2024-04-25 10:07 ` Huang, Kai
2024-04-25 13:43 ` [PATCH 0/3] KVM: x86: Fix supported VM_TYPES caps Xiaoyao Li
2024-04-25 14:30 ` Sean Christopherson
2024-04-26 1:17 ` Huang, Kai
2024-04-26 15:47 ` Sean Christopherson
2024-04-29 2:45 ` Huang, Kai
2024-04-29 15:56 ` Sean Christopherson
2024-05-07 17:20 ` Paolo Bonzini
2024-05-07 17:08 ` Paolo Bonzini
2024-05-10 14:50 ` Paolo Bonzini [this message]
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