linux-kernel - Re: [PATCH v5 1/3] x86/tdx: Add TDX Guest attestation interface driver

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: <CAAq0SU=TPHQ4q8Dj583m0yfVytygN81BTEe8vU5GCOoFau+LWw@mail.gmail.com>
Date:   Tue, 3 May 2022 11:38:05 -0300
From:   Wander Costa <wander@...hat.com>
To:     Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
Cc:     Kai Huang <kai.huang@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H . Peter Anvin" <hpa@...or.com>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Isaku Yamahata <isaku.yamahata@...il.com>,
        marcelo.cerri@...onical.com, tim.gardner@...onical.com,
        khalid.elmously@...onical.com, philip.cox@...onical.com,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 1/3] x86/tdx: Add TDX Guest attestation interface driver

On Mon, May 2, 2022 at 8:17 PM Sathyanarayanan Kuppuswamy
<sathyanarayanan.kuppuswamy@...ux.intel.com> wrote:

> > [...]
>
> I don't want to pollute the dmesg logs if possible. For IOCTL use case,
> the return value can be used to understand the failure reason from user
> code. But for initcall failure, pr_err message is required to understand
> the failure reason.

How often is this call expected to fail?