linux-kernel - Re: [PATCH v2 4/5] KVM: x86: make several APIC virtualization callbacks optional

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YgvfC7RGtxJkuOPA@google.com>
Date:   Tue, 15 Feb 2022 17:12:43 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH v2 4/5] KVM: x86: make several APIC virtualization
 callbacks optional

On Mon, Feb 14, 2022, Paolo Bonzini wrote:
> SVM does not need most of them, and there's no need for vendors to
> support APIC virtualization to be supported in KVM, so mark them as
> optional and delete the implementation.
> 
> For consistency, apicv_post_state_restore is also marked as optional
> and called with static_call_cond, even though it is implemented for
> both Intel APICv and AMD AVIC.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
> ---

Reviewed-by: Sean Christopherson <seanjc@...gle.com>