netdev - Re: [RFC PATCH v12 10/11] arm64: add mechanism to let user choose which counter to return

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 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:   Sun, 24 May 2020 23:16:22 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Jianyong Wu <Jianyong.Wu@....com>
Cc:     "maz@...nel.org" <maz@...nel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "yangbo.lu@....com" <yangbo.lu@....com>,
        "john.stultz@...aro.org" <john.stultz@...aro.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "sean.j.christopherson@...el.com" <sean.j.christopherson@...el.com>,
        Mark Rutland <Mark.Rutland@....com>,
        "will@...nel.org" <will@...nel.org>,
        Suzuki Poulose <Suzuki.Poulose@....com>,
        Steven Price <Steven.Price@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        Steve Capper <Steve.Capper@....com>,
        Kaly Xin <Kaly.Xin@....com>, Justin He <Justin.He@....com>,
        Wei Chen <Wei.Chen@....com>, nd <nd@....com>
Subject: Re: [RFC PATCH v12 10/11] arm64: add mechanism to let user choose
 which counter to return

On Mon, May 25, 2020 at 04:50:28AM +0000, Jianyong Wu wrote:
> How about adding an extra argument in struct ptp_clock_info to serve as a flag, then we can control this flag using IOCTL to determine the counter type.

no, No, NO!

> > From your description, this "flag" really should be a module parameter.
> Maybe use flag as a module parameter is a better way.

Yes.

Thanks,
Richard