linux-kernel - Re: [PATCH v4 1/5] KVM: SVM: Get rid of set_ghcb_msr() and *ghcb_msr

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]

Date:   Wed, 13 Oct 2021 22:07:19 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Joerg Roedel <joro@...tes.org>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>, x86@...nel.org,
        Brijesh Singh <brijesh.singh@....com>,
        Tom Lendacky <thomas.lendacky@....com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Joerg Roedel <jroedel@...e.de>
Subject: Re: [PATCH v4 1/5] KVM: SVM: Get rid of set_ghcb_msr() and
 *ghcb_msr_bits() functions

On Wed, Sep 29, 2021, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@...e.de>
> 
> Replace the get_ghcb_msr_bits() function with macros and open code the
> GHCB MSR setters with hypercall specific helper macros and functions.
> This will avoid preserving any previous bits in the GHCB-MSR and
> improves code readability.
> 
> Also get rid of the set_ghcb_msr() function and open-code it at its
> call-sites for better code readability.
> 
> Suggested-by: Sean Christopherson <seanjc@...gle.com>
> Signed-off-by: Joerg Roedel <jroedel@...e.de>
> Reviewed-by: Sean Christopherson <seanjc@...gle.com>
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>

I suspect my SoB got picked up accidentally.  If the intent was to attribute some
code snippets via Co-developed-by, feel free to just drop my SoB.