linux-kernel - Re: [PATCH v3 02/11] KVM: SVM: Add KVM_SEND_UPDATE

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: <20190822133440.GD11845@zn.tnic>
Date:   Thu, 22 Aug 2019 15:34:40 +0200
From:   Borislav Petkov <bp@...e.de>
To:     "Singh, Brijesh" <brijesh.singh@....com>
Cc:     "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Joerg Roedel <joro@...tes.org>,
        "Lendacky, Thomas" <Thomas.Lendacky@....com>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 02/11] KVM: SVM: Add KVM_SEND_UPDATE_DATA command

On Thu, Aug 22, 2019 at 01:27:25PM +0000, Singh, Brijesh wrote:
> FW accepts the system physical address but the userspace does not know
> the system physical instead it will give host virtual address and we
> will find its corresponding system physical address and make a FW
> call. This is a userspace interface and not the FW.

That fact could be in a sentence or two as a comment above the struct
definition.

> Okay, I will take a look and will probably reuse your functions. thank you.

Sure, and pls see if you can simplify the other command-sending
functions in a similar manner.

Thx.

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Mary Higgins, Sri Rasiah, HRB 21284 (AG Nürnberg)