linux-kernel - Re: [PATCH 1/2] x86/CPU: Add native CPUID variants returning a single datum

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Message-ID: <20170103194832.GA7786@nazgul.tnic>
Date:   Tue, 3 Jan 2017 20:48:32 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Andy Lutomirski <luto@...capital.net>
Cc:     Junichi Nomura <j-nomura@...jp.nec.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "hpa@...or.com" <hpa@...or.com>
Subject: Re: [PATCH 1/2] x86/CPU: Add native CPUID variants returning a
 single datum

On Tue, Jan 03, 2017 at 10:35:15AM -0800, Andy Lutomirski wrote:
> That's why I didn't type "volatile". :)

I think you lost me: the version I'm proposing is with a retval you can
choose to ignore or not and it works either way due to the volatile...

Hmmm?

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--