linux-kernel - Re: [PATCH v4 7/7] x86/vdso: Move out the CPU number store

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Date:   Fri, 22 Jun 2018 18:18:23 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Andy Lutomirski <luto@...capital.net>
cc:     "Chang S. Bae" <chang.seok.bae@...el.com>,
        Andy Lutomirski <luto@...nel.org>,
        "H . Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Markus T Metzger <markus.t.metzger@...el.com>,
        Ravi Shankar <ravi.v.shankar@...el.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 7/7] x86/vdso: Move out the CPU number store

On Fri, 22 Jun 2018, Andy Lutomirski wrote:
> > On Jun 22, 2018, at 8:18 AM, Thomas Gleixner <tglx@...utronix.de> wrote:
> > 
> >> On Wed, 20 Jun 2018, Chang S. Bae wrote:
> >> 
> >> +#ifdef CONFIG_X86_64
> >> +static void setup_cpu_number(int cpu)
> > 
> > This function name is really misleading. vdso_setup_cpu_and_node() or
> > something like that clearly tells what this is about.
> > 
> Ah. The big secret is that it’s not just vDSO, or at lease hpa wants to
> start using it in the entry code.

Fair enough. Still setup_cpu_number() sucks.

Thanks,

	tglx