linux-kernel - Re: [PATCH v3 2/2] x86, cpuid: allow cpuid

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Message-ID: <d88d3e92-e9af-5ffd-9b9e-731255226f99@zytor.com>
Date:   Sun, 25 Mar 2018 15:11:54 -0700
From:   "H. Peter Anvin" <hpa@...or.com>
To:     Eric Dumazet <eric.dumazet@...il.com>,
        Eric Dumazet <edumazet@...gle.com>, x86 <x86@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...hat.com>,
        Hugh Dickins <hughd@...gle.com>
Subject: Re: [PATCH v3 2/2] x86, cpuid: allow cpuid_read() to schedule

On 03/23/18 18:01, Eric Dumazet wrote:
> 
> Indeed, assuming a daemon can have threads running on all cpus :/
> 
> Some environments like to partition cpus for different jobs/containers.
> 

Then it doesn't need to run it on all cpus... just the one that that
particular daemon is "responsible" for.

	-hpa